Merge branch 'master' of https://github.com/sanketmeghani/tutorials into sanketmeghani-master

core-java/src/test/java/org/baeldung/java/collections/ArrayListTest.java

@@ -7,8 +7,7 @@ import org.junit.Test;
 import java.util.*;
 import java.util.stream.*;
 
-import static java.util.stream.Collectors.toList;
+import static java.util.stream.Collectors.*;
-import static java.util.stream.Collectors.toSet;
 import static org.hamcrest.CoreMatchers.equalTo;
 import static org.hamcrest.core.IsNot.not;
 import static org.junit.Assert.*;
@@ -22,7 +21,7 @@ public class ArrayListTest {
         List<String> xs = LongStream.range(0, 16)
             .boxed()
             .map(Long::toHexString)
-            .collect(toList());
+            .collect(toCollection(ArrayList::new));
         stringsToSearch = new ArrayList<>(xs);
         stringsToSearch.addAll(xs);
     }
@@ -57,8 +56,8 @@ public class ArrayListTest {
     @Test
     public void givenCollection_whenAddToArrayList_thenIsAdded() {
         List<Long> xs = new ArrayList<>(Arrays.asList(1L, 2L, 3L));
-        Collection<Long> ys = LongStream.range(4, 10).boxed().collect(toList());
+        LongStream.range(4, 10).boxed()
-        xs.addAll(0, ys);
+            .collect(collectingAndThen(toList(), ys -> xs.addAll(0, ys)));
 
         assertThat(Arrays.asList(4L, 5L, 6L, 7L, 8L, 9L, 1L, 2L, 3L), equalTo(xs));
     }
@@ -92,7 +91,7 @@ public class ArrayListTest {
         List<String> result = stringsToSearch
             .stream()
             .filter(matchingStrings::contains)
-            .collect(toList());
+            .collect(toCollection(ArrayList::new));
 
         assertEquals(6, result.size());
     }
@@ -107,7 +106,7 @@ public class ArrayListTest {
 
     @Test
     public void givenIndex_whenRemove_thenCorrectElementRemoved() {
-        List<Integer> xs = IntStream.range(0, 10).boxed().collect(toList());
+        List<Integer> xs = IntStream.range(0, 10).boxed().collect(toCollection(ArrayList::new));
         Collections.reverse(xs);
 
         xs.remove(0);
@@ -119,7 +118,7 @@ public class ArrayListTest {
 
     @Test
     public void givenListIterator_whenReverseTraversal_thenRetrieveElementsInOppositeOrder() {
-        List<Integer> xs = IntStream.range(0, 10).boxed().collect(toList());
+        List<Integer> xs = IntStream.range(0, 10).boxed().collect(toCollection(ArrayList::new));
         ListIterator<Integer> it = xs.listIterator(xs.size());
         List<Integer> result = new ArrayList<>(xs.size());
         while (it.hasPrevious()) {

eclipse/src/main/java/org/baeldung/equalshashcode/entities/ComplexClass.java

@@ -5,63 +5,59 @@ import java.util.HashSet;
 
 public class ComplexClass {
 
-	private ArrayList<?> genericArrayList;
+    private ArrayList<?> genericArrayList;
-	private HashSet<Integer> integerHashSet;
+    private HashSet<Integer> integerHashSet;
 
-	public ComplexClass(ArrayList<?> genericArrayList,
+    public ComplexClass(ArrayList<?> genericArrayList, HashSet<Integer> integerHashSet) {
-			HashSet<Integer> integerHashSet) {
+        super();
-		super();
+        this.genericArrayList = genericArrayList;
-		this.genericArrayList = genericArrayList;
+        this.integerHashSet = integerHashSet;
-		this.integerHashSet = integerHashSet;
+    }
-	}
 
-	@Override
+    @Override
-	public int hashCode() {
+    public int hashCode() {
-		final int prime = 31;
+        final int prime = 31;
-		int result = 1;
+        int result = 1;
-		result = prime
+        result = prime * result + ((genericArrayList == null) ? 0 : genericArrayList.hashCode());
-				* result
+        result = prime * result + ((integerHashSet == null) ? 0 : integerHashSet.hashCode());
-				+ ((genericArrayList == null) ? 0 : genericArrayList.hashCode());
+        return result;
-		result = prime * result
+    }
-				+ ((integerHashSet == null) ? 0 : integerHashSet.hashCode());
-		return result;
-	}
 
-	@Override
+    @Override
-	public boolean equals(Object obj) {
+    public boolean equals(Object obj) {
-		if (this == obj)
+        if (this == obj)
-			return true;
+            return true;
-		if (obj == null)
+        if (obj == null)
-			return false;
+            return false;
-		if (!(obj instanceof ComplexClass))
+        if (!(obj instanceof ComplexClass))
-			return false;
+            return false;
-		ComplexClass other = (ComplexClass) obj;
+        ComplexClass other = (ComplexClass) obj;
-		if (genericArrayList == null) {
+        if (genericArrayList == null) {
-			if (other.genericArrayList != null)
+            if (other.genericArrayList != null)
-				return false;
+                return false;
-		} else if (!genericArrayList.equals(other.genericArrayList))
+        } else if (!genericArrayList.equals(other.genericArrayList))
-			return false;
+            return false;
-		if (integerHashSet == null) {
+        if (integerHashSet == null) {
-			if (other.integerHashSet != null)
+            if (other.integerHashSet != null)
-				return false;
+                return false;
-		} else if (!integerHashSet.equals(other.integerHashSet))
+        } else if (!integerHashSet.equals(other.integerHashSet))
-			return false;
+            return false;
-		return true;
+        return true;
-	}
+    }
 
-	protected ArrayList<?> getGenericArrayList() {
+    protected ArrayList<?> getGenericArrayList() {
-		return genericArrayList;
+        return genericArrayList;
-	}
+    }
 
-	protected void setGenericArrayList(ArrayList<?> genericArrayList) {
+    protected void setGenericArrayList(ArrayList<?> genericArrayList) {
-		this.genericArrayList = genericArrayList;
+        this.genericArrayList = genericArrayList;
-	}
+    }
 
-	protected HashSet<Integer> getIntegerHashSet() {
+    protected HashSet<Integer> getIntegerHashSet() {
-		return integerHashSet;
+        return integerHashSet;
-	}
+    }
 
-	protected void setIntegerHashSet(HashSet<Integer> integerHashSet) {
+    protected void setIntegerHashSet(HashSet<Integer> integerHashSet) {
-		this.integerHashSet = integerHashSet;
+        this.integerHashSet = integerHashSet;
-	}
+    }
 }

eclipse/src/main/java/org/baeldung/equalshashcode/entities/PrimitiveClass.java

@@ -2,53 +2,53 @@ package org.baeldung.equalshashcode.entities;
 
 public class PrimitiveClass {
 
-	private boolean primitiveBoolean;
+    private boolean primitiveBoolean;
-	private int primitiveInt;
+    private int primitiveInt;
 
-	public PrimitiveClass(boolean primitiveBoolean, int primitiveInt) {
+    public PrimitiveClass(boolean primitiveBoolean, int primitiveInt) {
-		super();
+        super();
-		this.primitiveBoolean = primitiveBoolean;
+        this.primitiveBoolean = primitiveBoolean;
-		this.primitiveInt = primitiveInt;
+        this.primitiveInt = primitiveInt;
-	}
+    }
 
-	protected boolean isPrimitiveBoolean() {
+    protected boolean isPrimitiveBoolean() {
-		return primitiveBoolean;
+        return primitiveBoolean;
-	}
+    }
 
-	@Override
+    @Override
-	public int hashCode() {
+    public int hashCode() {
-		final int prime = 31;
+        final int prime = 31;
-		int result = 1;
+        int result = 1;
-		result = prime * result + (primitiveBoolean ? 1231 : 1237);
+        result = prime * result + (primitiveBoolean ? 1231 : 1237);
-		result = prime * result + primitiveInt;
+        result = prime * result + primitiveInt;
-		return result;
+        return result;
-	}
+    }
 
-	@Override
+    @Override
-	public boolean equals(Object obj) {
+    public boolean equals(Object obj) {
-		if (this == obj)
+        if (this == obj)
-			return true;
+            return true;
-		if (obj == null)
+        if (obj == null)
-			return false;
+            return false;
-		if (getClass() != obj.getClass())
+        if (getClass() != obj.getClass())
-			return false;
+            return false;
-		PrimitiveClass other = (PrimitiveClass) obj;
+        PrimitiveClass other = (PrimitiveClass) obj;
-		if (primitiveBoolean != other.primitiveBoolean)
+        if (primitiveBoolean != other.primitiveBoolean)
-			return false;
+            return false;
-		if (primitiveInt != other.primitiveInt)
+        if (primitiveInt != other.primitiveInt)
-			return false;
+            return false;
-		return true;
+        return true;
-	}
+    }
 
-	protected void setPrimitiveBoolean(boolean primitiveBoolean) {
+    protected void setPrimitiveBoolean(boolean primitiveBoolean) {
-		this.primitiveBoolean = primitiveBoolean;
+        this.primitiveBoolean = primitiveBoolean;
-	}
+    }
 
-	protected int getPrimitiveInt() {
+    protected int getPrimitiveInt() {
-		return primitiveInt;
+        return primitiveInt;
-	}
+    }
 
-	protected void setPrimitiveInt(int primitiveInt) {
+    protected void setPrimitiveInt(int primitiveInt) {
-		this.primitiveInt = primitiveInt;
+        this.primitiveInt = primitiveInt;
-	}
+    }
 }

eclipse/src/main/java/org/baeldung/equalshashcode/entities/Rectangle.java

@@ -1,62 +1,60 @@
 package org.baeldung.equalshashcode.entities;
 
 public class Rectangle extends Shape {
-	private double width;
+    private double width;
-	private double length;
+    private double length;
 
-	public Rectangle(double width, double length) {
+    public Rectangle(double width, double length) {
-		this.width = width;
+        this.width = width;
-		this.length = length;
+        this.length = length;
-	}
+    }
 
-	@Override
+    @Override
-	public double area() {
+    public double area() {
-		// A = w * l
+        // A = w * l
-		return width * length;
+        return width * length;
-	}
+    }
 
-	@Override
+    @Override
-	public double perimeter() {
+    public double perimeter() {
-		// P = 2(w + l)
+        // P = 2(w + l)
-		return 2 * (width + length);
+        return 2 * (width + length);
-	}
+    }
 
-	@Override
+    @Override
-	public int hashCode() {
+    public int hashCode() {
-		final int prime = 31;
+        final int prime = 31;
-		int result = 1;
+        int result = 1;
-		long temp;
+        long temp;
-		temp = Double.doubleToLongBits(length);
+        temp = Double.doubleToLongBits(length);
-		result = prime * result + (int) (temp ^ (temp >>> 32));
+        result = prime * result + (int) (temp ^ (temp >>> 32));
-		temp = Double.doubleToLongBits(width);
+        temp = Double.doubleToLongBits(width);
-		result = prime * result + (int) (temp ^ (temp >>> 32));
+        result = prime * result + (int) (temp ^ (temp >>> 32));
-		return result;
+        return result;
-	}
+    }
 
-	@Override
+    @Override
-	public boolean equals(Object obj) {
+    public boolean equals(Object obj) {
-		if (this == obj)
+        if (this == obj)
-			return true;
+            return true;
-		if (obj == null)
+        if (obj == null)
-			return false;
+            return false;
-		if (getClass() != obj.getClass())
+        if (getClass() != obj.getClass())
-			return false;
+            return false;
-		Rectangle other = (Rectangle) obj;
+        Rectangle other = (Rectangle) obj;
-		if (Double.doubleToLongBits(length) != Double
+        if (Double.doubleToLongBits(length) != Double.doubleToLongBits(other.length))
-				.doubleToLongBits(other.length))
+            return false;
-			return false;
+        if (Double.doubleToLongBits(width) != Double.doubleToLongBits(other.width))
-		if (Double.doubleToLongBits(width) != Double
+            return false;
-				.doubleToLongBits(other.width))
+        return true;
-			return false;
+    }
-		return true;
-	}
 
-	protected double getWidth() {
+    protected double getWidth() {
-		return width;
+        return width;
-	}
+    }
 
-	protected double getLength() {
+    protected double getLength() {
-		return length;
+        return length;
-	}
+    }
 
 }

eclipse/src/main/java/org/baeldung/equalshashcode/entities/Shape.java

@@ -1,7 +1,7 @@
 package org.baeldung.equalshashcode.entities;
 
 public abstract class Shape {
-	public abstract double area();
+    public abstract double area();
 
-	public abstract double perimeter();
+    public abstract double perimeter();
 }

eclipse/src/main/java/org/baeldung/equalshashcode/entities/Square.java

@@ -4,44 +4,55 @@ import java.awt.Color;
 
 public class Square extends Rectangle {
 
-	Color color;
+    Color color;
 
-	public Square(double width, Color color) {
+    public Square(double width, Color color) {
-		super(width, width);
+        super(width, width);
-		this.color = color;
+        this.color = color;
-	}
+    }
 
-	@Override
+    /* (non-Javadoc)
-	public int hashCode() {
+     * @see java.lang.Object#hashCode()
-		final int prime = 31;
+     */
-		int result = super.hashCode();
+    @Override
-		result = prime * result + ((color == null) ? 0 : color.hashCode());
+    public int hashCode() {
-		return result;
+        final int prime = 31;
-	}
+        int result = super.hashCode();
+        result = prime * result + ((color == null) ? 0 : color.hashCode());
+        return result;
+    }
 
-	@Override
+    /* (non-Javadoc)
-	public boolean equals(Object obj) {
+     * @see java.lang.Object#equals(java.lang.Object)
-		if (this == obj)
+     */
-			return true;
+    @Override
-		if (!super.equals(obj))
+    public boolean equals(Object obj) {
-			return false;
+        if (this == obj) {
-		if (getClass() != obj.getClass())
+            return true;
-			return false;
+        }
-		Square other = (Square) obj;
+        if (!super.equals(obj)) {
-		if (color == null) {
+            return false;
-			if (other.color != null)
+        }
-				return false;
+        if (!(obj instanceof Square)) {
-		} else if (!color.equals(other.color))
+            return false;
-			return false;
+        }
-		return true;
+        Square other = (Square) obj;
-	}
+        if (color == null) {
+            if (other.color != null) {
+                return false;
+            }
+        } else if (!color.equals(other.color)) {
+            return false;
+        }
+        return true;
+    }
 
-	protected Color getColor() {
+    protected Color getColor() {
-		return color;
+        return color;
-	}
+    }
 
-	protected void setColor(Color color) {
+    protected void setColor(Color color) {
-		this.color = color;
+        this.color = color;
-	}
+    }
 
 }

eclipse/src/test/java/org/baeldung/equalshashcode/entities/ComplexClassTest.java

@@ -8,32 +8,27 @@ import org.junit.Test;
 
 public class ComplexClassTest {
 
-	@Test
+    @Test
-	public void testEqualsAndHashcodes() {
+    public void testEqualsAndHashcodes() {
 
-		ArrayList<String> strArrayList = new ArrayList<String>();
+        ArrayList<String> strArrayList = new ArrayList<String>();
-		strArrayList.add("abc");
+        strArrayList.add("abc");
-		strArrayList.add("def");
+        strArrayList.add("def");
-		ComplexClass aObject = new ComplexClass(strArrayList, new HashSet<Integer>(45,67));
+        ComplexClass aObject = new ComplexClass(strArrayList, new HashSet<Integer>(45, 67));
-		ComplexClass bObject = new ComplexClass(strArrayList, new HashSet<Integer>(45,67));
+        ComplexClass bObject = new ComplexClass(strArrayList, new HashSet<Integer>(45, 67));
-		ComplexClass cObject = new ComplexClass(strArrayList, new HashSet<Integer>(45,67));
 
-		ArrayList<String> strArrayListD = new ArrayList<String>();
+        ArrayList<String> strArrayListD = new ArrayList<String>();
-		strArrayListD.add("lmn");
+        strArrayListD.add("lmn");
-		strArrayListD.add("pqr");
+        strArrayListD.add("pqr");
-		ComplexClass dObject = new ComplexClass(strArrayListD, new HashSet<Integer>(45,67));
+        ComplexClass dObject = new ComplexClass(strArrayListD, new HashSet<Integer>(45, 67));
 
-		// equals()
+        // equals()
-		Assert.assertTrue(aObject.equals(aObject));
+        Assert.assertTrue(aObject.equals(bObject) && bObject.equals(aObject));
-		Assert.assertTrue(aObject.equals(bObject) && bObject.equals(aObject));
+        // hashCode()
-		Assert.assertTrue(aObject.equals(bObject));
+        Assert.assertTrue(aObject.hashCode() == bObject.hashCode());
-		Assert.assertTrue(bObject.equals(cObject));
+        // non-equal objects are not equals() and have different hashCode()
-		Assert.assertTrue(aObject.equals(cObject));
+        Assert.assertFalse(aObject.equals(dObject));
-		// hashCode()
+        Assert.assertFalse(aObject.hashCode() == dObject.hashCode());
-		Assert.assertTrue(aObject.hashCode() == bObject.hashCode());
+    }
-		// non-equal objects are not equals() and have different hashCode()
-		Assert.assertFalse(aObject.equals(dObject));
-		Assert.assertFalse(aObject.hashCode() == dObject.hashCode());
-	}
 
 }

eclipse/src/test/java/org/baeldung/equalshashcode/entities/PrimitiveClassTest.java

@@ -5,25 +5,20 @@ import org.junit.Test;
 
 public class PrimitiveClassTest {
 
-	@Test
+    @Test
-	public void testTwoEqualsObjects() {
+    public void testTwoEqualsObjects() {
 
-		PrimitiveClass aObject = new PrimitiveClass(false, 2);
+        PrimitiveClass aObject = new PrimitiveClass(false, 2);
-		PrimitiveClass bObject = new PrimitiveClass(false, 2);
+        PrimitiveClass bObject = new PrimitiveClass(false, 2);
-		PrimitiveClass cObject = new PrimitiveClass(false, 2);
+        PrimitiveClass dObject = new PrimitiveClass(true, 2);
-		PrimitiveClass dObject = new PrimitiveClass(true, 2);
 
-		// equals()
+        // equals()
-		Assert.assertTrue(aObject.equals(aObject));
+        Assert.assertTrue(aObject.equals(bObject) && bObject.equals(aObject));
-		Assert.assertTrue(aObject.equals(bObject) && bObject.equals(aObject));
+        // hashCode()
-		Assert.assertTrue(aObject.equals(bObject));
+        Assert.assertTrue(aObject.hashCode() == bObject.hashCode());
-		Assert.assertTrue(bObject.equals(cObject));
+        // non-equal objects are not equals() and have different hashCode()
-		Assert.assertTrue(aObject.equals(cObject));
+        Assert.assertFalse(aObject.equals(dObject));
-		// hashCode()
+        Assert.assertFalse(aObject.hashCode() == dObject.hashCode());
-		Assert.assertTrue(aObject.hashCode() == bObject.hashCode());
+    }
-		// non-equal objects are not equals() and have different hashCode()
-		Assert.assertFalse(aObject.equals(dObject));
-		Assert.assertFalse(aObject.hashCode() == dObject.hashCode());
-	}
 
 }

eclipse/src/test/java/org/baeldung/equalshashcode/entities/SquareClassTest.java

@@ -7,26 +7,21 @@ import org.junit.Test;
 
 public class SquareClassTest {
 
-	@Test
+    @Test
-	public void testEqualsAndHashcodes() {
+    public void testEqualsAndHashcodes() {
 
-		Square aObject = new Square(10, Color.BLUE);
+        Square aObject = new Square(10, Color.BLUE);
-		Square bObject = new Square(10, Color.BLUE);
+        Square bObject = new Square(10, Color.BLUE);
-		Square cObject = new Square(10, Color.BLUE);
 
-		Square dObject = new Square(20, Color.BLUE);
+        Square dObject = new Square(20, Color.BLUE);
 
-		// equals()
+        // equals()
-		Assert.assertTrue(aObject.equals(aObject));
+        Assert.assertTrue(aObject.equals(bObject) && bObject.equals(aObject));
-		Assert.assertTrue(aObject.equals(bObject) && bObject.equals(aObject));
+        // hashCode()
-		Assert.assertTrue(aObject.equals(bObject));
+        Assert.assertTrue(aObject.hashCode() == bObject.hashCode());
-		Assert.assertTrue(bObject.equals(cObject));
+        // non-equal objects are not equals() and have different hashCode()
-		Assert.assertTrue(aObject.equals(cObject));		
+        Assert.assertFalse(aObject.equals(dObject));
-		// hashCode()
+        Assert.assertFalse(aObject.hashCode() == dObject.hashCode());
-		Assert.assertTrue(aObject.hashCode() == bObject.hashCode());		
+    }
-		// non-equal objects are not equals() and have different hashCode()
-		Assert.assertFalse(aObject.equals(dObject));
-		Assert.assertFalse(aObject.hashCode() == dObject.hashCode());
-	}
 
 }

flyway-migration/db/migration/V2_0__create_department_schema.sql

@@ -0,0 +1,8 @@
+CREATE TABLE IF NOT EXISTS `department` (
+
+`id` int NOT NULL AUTO_INCREMENT PRIMARY KEY,
+`name` varchar(20)
+
+)ENGINE=InnoDB DEFAULT CHARSET=UTF8; 
+
+ALTER TABLE `employee` ADD `dept_id` int AFTER `email`;

flyway-migration/pom.xml

@@ -23,6 +23,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-compiler-plugin</artifactId>
+                <version>3.5.1</version>
                 <configuration>
                     <source>1.8</source>
                     <target>1.8</target>

java-cassandra/pom.xml

@@ -0,0 +1,102 @@
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <groupId>com.baeldung</groupId>
+    <artifactId>cassandra-java-client</artifactId>
+    <version>1.0.0-SNAPSHOT</version>
+    
+      <name>cassandra-java-client</name>
+      
+      <properties>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+        
+        <!-- logging -->
+        <org.slf4j.version>1.7.21</org.slf4j.version>
+        <logback.version>1.1.7</logback.version>
+        
+        <!-- testing -->
+        <org.hamcrest.version>1.3</org.hamcrest.version>
+        <junit.version>4.12</junit.version>
+        <mockito.version>1.10.19</mockito.version>
+        <testng.version>6.8</testng.version>
+        <assertj.version>3.5.1</assertj.version>
+        
+        <!-- maven plugins -->
+        <maven-compiler-plugin.version>3.5.1</maven-compiler-plugin.version>
+        
+        <!-- Cassandra -->
+        <cassandra-driver-core.version>3.1.0</cassandra-driver-core.version>
+      </properties>
+  
+      <dependencies>
+          <!-- Cassandra -->
+          <dependency>
+            <groupId>com.datastax.cassandra</groupId>
+            <artifactId>cassandra-driver-core</artifactId>
+            <version>${cassandra-driver-core.version}</version>
+            <optional>true</optional>
+        </dependency>
+        
+        <!-- https://mvnrepository.com/artifact/org.cassandraunit/cassandra-unit -->
+        <dependency>
+            <groupId>org.cassandraunit</groupId>
+            <artifactId>cassandra-unit</artifactId>
+            <version>3.0.0.1</version>
+        </dependency>
+        
+        <!-- This guava version is required for cassandra-unit 3.0.0.1 -->
+        <dependency>
+            <groupId>com.google.guava</groupId>
+            <artifactId>guava</artifactId>
+            <version>19.0</version>
+        </dependency>
+        
+          <!-- logging -->
+
+        <dependency>
+            <groupId>org.slf4j</groupId>
+            <artifactId>slf4j-api</artifactId>
+            <version>${org.slf4j.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>ch.qos.logback</groupId>
+            <artifactId>logback-classic</artifactId>
+            <version>${logback.version}</version>
+            <!-- <scope>runtime</scope> -->
+        </dependency>
+        <dependency>
+            <groupId>org.slf4j</groupId>
+            <artifactId>jcl-over-slf4j</artifactId>
+            <version>${org.slf4j.version}</version>
+            <!-- <scope>runtime</scope> --> <!-- some spring dependencies need to compile against jcl -->
+        </dependency>
+        <dependency> <!-- needed to bridge to slf4j for projects that use the log4j APIs directly -->
+            <groupId>org.slf4j</groupId>
+            <artifactId>log4j-over-slf4j</artifactId>
+            <version>${org.slf4j.version}</version>
+        </dependency>
+        
+        <dependency>
+              <groupId>junit</groupId>
+              <artifactId>junit</artifactId>
+              <version>${junit.version}</version>
+              <scope>test</scope>
+        </dependency>
+      </dependencies>
+      
+      <build>
+        <finalName>java-cassandra</finalName>
+
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <version>${maven-compiler-plugin.version}</version>
+                <configuration>
+                    <source>1.8</source>
+                    <target>1.8</target>
+                </configuration>
+            </plugin>
+        </plugins>
+
+    </build>
+</project>

java-cassandra/src/main/java/com/baeldung/cassandra/java/client/CassandraClient.java

@@ -0,0 +1,44 @@
+package com.baeldung.cassandra.java.client;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import com.baeldung.cassandra.java.client.domain.Book;
+import com.baeldung.cassandra.java.client.repository.BookRepository;
+import com.baeldung.cassandra.java.client.repository.KeyspaceRepository;
+import com.datastax.driver.core.Session;
+import com.datastax.driver.core.utils.UUIDs;
+
+public class CassandraClient {
+    private static final Logger LOG = LoggerFactory.getLogger(CassandraClient.class);
+    
+    public static void main(String args[]) {
+        CassandraConnector connector = new CassandraConnector();
+        connector.connect("127.0.0.1", null);
+        Session session = connector.getSession();
+        
+        KeyspaceRepository sr = new KeyspaceRepository(session);
+        sr.createKeyspace("library", "SimpleStrategy", 1);
+        sr.useKeyspace("library");
+
+        BookRepository br = new BookRepository(session);
+        br.createTable();
+        br.alterTablebooks("publisher", "text");
+        
+        br.createTableBooksByTitle();
+        
+        Book book = new Book(UUIDs.timeBased(), "Effective Java", "Joshua Bloch", "Programming");
+        br.insertBookBatch(book);
+        
+        br.selectAll().forEach(o -> LOG.info("Title in books: " + o.getTitle()));
+        br.selectAllBookByTitle().forEach(o -> LOG.info("Title in booksByTitle: " + o.getTitle()));
+        
+        br.deletebookByTitle("Effective Java");
+        br.deleteTable("books");
+        br.deleteTable("booksByTitle");
+
+        sr.deleteKeyspace("library");
+        
+        connector.close();
+    }
+}

java-cassandra/src/main/java/com/baeldung/cassandra/java/client/CassandraConnector.java

@@ -0,0 +1,51 @@
+package com.baeldung.cassandra.java.client;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import com.datastax.driver.core.Cluster;
+import com.datastax.driver.core.Cluster.Builder;
+import com.datastax.driver.core.Host;
+import com.datastax.driver.core.Metadata;
+import com.datastax.driver.core.Session;
+
+/**
+ * 
+ * This is an implementation of a simple Java client.
+ *
+ */
+public class CassandraConnector {
+    private static final Logger LOG = LoggerFactory.getLogger(CassandraConnector.class);
+
+    private Cluster cluster;
+
+    private Session session;
+
+    public void connect(final String node, final Integer port) {
+
+        Builder b = Cluster.builder().addContactPoint(node);
+
+        if (port != null) {
+            b.withPort(port);
+        }
+        cluster = b.build();
+
+        Metadata metadata = cluster.getMetadata();
+        LOG.info("Cluster name: " + metadata.getClusterName());
+
+        for (Host host : metadata.getAllHosts()) {
+            LOG.info("Datacenter: " + host.getDatacenter() + " Host: " + host.getAddress() + " Rack: " + host.getRack());
+        }
+
+        session = cluster.connect();
+    }
+
+    public Session getSession() {
+        return this.session;
+    }
+
+    public void close() {
+        session.close();
+        cluster.close();
+    }
+}

java-cassandra/src/main/java/com/baeldung/cassandra/java/client/domain/Book.java

@@ -0,0 +1,66 @@
+package com.baeldung.cassandra.java.client.domain;
+
+import java.util.UUID;
+
+public class Book {
+
+    private UUID id;
+
+    private String title;
+
+    private String author;
+
+    private String subject;
+
+    private String publisher;
+
+    Book() {
+    }
+    
+    public Book(UUID id, String title, String author, String subject) {
+        this.id = id;
+        this.title = title;
+        this.author = author;
+        this.subject = subject;
+    }
+    
+    public UUID getId() {
+        return id;
+    }
+
+    public void setId(UUID id) {
+        this.id = id;
+    }
+
+    public String getTitle() {
+        return title;
+    }
+
+    public void setTitle(String title) {
+        this.title = title;
+    }
+
+    public String getAuthor() {
+        return author;
+    }
+
+    public void setAuthor(String author) {
+        this.author = author;
+    }
+
+    public String getSubject() {
+        return subject;
+    }
+
+    public void setSubject(String subject) {
+        this.subject = subject;
+    }
+
+    public String getPublisher() {
+        return publisher;
+    }
+
+    public void setPublisher(String publisher) {
+        this.publisher = publisher;
+    }
+}

java-cassandra/src/main/java/com/baeldung/cassandra/java/client/repository/BookRepository.java

@@ -0,0 +1,177 @@
+package com.baeldung.cassandra.java.client.repository;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import com.baeldung.cassandra.java.client.domain.Book;
+import com.datastax.driver.core.ResultSet;
+import com.datastax.driver.core.Row;
+import com.datastax.driver.core.Session;
+
+public class BookRepository {
+
+    private static final String TABLE_NAME = "books";
+    
+    private static final String TABLE_NAME_BY_TITLE = TABLE_NAME + "ByTitle";
+
+    private Session session;
+
+    public BookRepository(Session session) {
+        this.session = session;
+    }
+
+    /**
+     * Creates the books table.
+     */
+    public void createTable() {
+        StringBuilder sb = new StringBuilder("CREATE TABLE IF NOT EXISTS ").append(TABLE_NAME).append("(").append("id uuid PRIMARY KEY, ").append("title text,").append("author text,").append("subject text);");
+
+        final String query = sb.toString();
+        session.execute(query);
+    }
+    
+    /**
+     * Creates the books table.
+     */
+    public void createTableBooksByTitle() {
+        StringBuilder sb = new StringBuilder("CREATE TABLE IF NOT EXISTS ").append(TABLE_NAME_BY_TITLE).append("(").append("id uuid, ").append("title text,").append("PRIMARY KEY (title, id));");
+
+        final String query = sb.toString();
+        session.execute(query);
+    }
+
+    /**
+     * Alters the table books and adds an extra column.
+     */
+    public void alterTablebooks(String columnName, String columnType) {
+        StringBuilder sb = new StringBuilder("ALTER TABLE ").append(TABLE_NAME).append(" ADD ").append(columnName).append(" ").append(columnType).append(";");
+
+        final String query = sb.toString();
+        session.execute(query);
+    }
+
+    /**
+     * Insert a row in the table books. 
+     * 
+     * @param book
+     */
+    public void insertbook(Book book) {
+        StringBuilder sb = new StringBuilder("INSERT INTO ").append(TABLE_NAME).append("(id, title, author, subject) ").append("VALUES (").append(book.getId()).append(", '").append(book.getTitle()).append("', '").append(book.getAuthor()).append("', '")
+                .append(book.getSubject()).append("');");
+
+        final String query = sb.toString();
+        session.execute(query);
+    }
+    
+    /**
+     * Insert a row in the table booksByTitle.
+     * @param book
+     */
+    public void insertbookByTitle(Book book) {
+        StringBuilder sb = new StringBuilder("INSERT INTO ").append(TABLE_NAME_BY_TITLE).append("(id, title) ").append("VALUES (").append(book.getId()).append(", '").append(book.getTitle()).append("');");
+
+        final String query = sb.toString();
+        session.execute(query);
+    }
+    
+    /**
+     * Insert a book into two identical tables using a batch query.
+     * 
+     * @param book
+     */
+    public void insertBookBatch(Book book) {
+        StringBuilder sb = new StringBuilder("BEGIN BATCH ")
+                .append("INSERT INTO ").append(TABLE_NAME).append("(id, title, author, subject) ")
+                .append("VALUES (").append(book.getId()).append(", '").append(book.getTitle()).append("', '").append(book.getAuthor()).append("', '")
+                .append(book.getSubject()).append("');")
+                .append("INSERT INTO ").append(TABLE_NAME_BY_TITLE).append("(id, title) ")
+                .append("VALUES (").append(book.getId()).append(", '").append(book.getTitle()).append("');")
+                .append("APPLY BATCH;");
+
+        final String query = sb.toString();
+        session.execute(query);
+    }
+
+    /**
+     * Select book by id.
+     * 
+     * @return
+     */
+    public Book selectByTitle(String title) {
+        StringBuilder sb = new StringBuilder("SELECT * FROM ").append(TABLE_NAME_BY_TITLE).append(" WHERE title = '").append(title).append("';");
+
+        final String query = sb.toString();
+        
+        ResultSet rs = session.execute(query);
+
+        List<Book> books = new ArrayList<Book>();
+
+        for (Row r : rs) {
+            Book s = new Book(r.getUUID("id"), r.getString("title"), null, null);
+            books.add(s);
+        }
+
+        return books.get(0);
+    }
+
+    /**
+     * Select all books from books
+     * 
+     * @return
+     */
+    public List<Book> selectAll() {
+        StringBuilder sb = new StringBuilder("SELECT * FROM ").append(TABLE_NAME);
+
+        final String query = sb.toString();
+        ResultSet rs = session.execute(query);
+
+        List<Book> books = new ArrayList<Book>();
+
+        for (Row r : rs) {
+            Book book = new Book(r.getUUID("id"), r.getString("title"), r.getString("author"), r.getString("subject"));
+            books.add(book);
+        }
+        return books;
+    }
+    
+    /**
+     * Select all books from booksByTitle
+     * @return
+     */
+    public List<Book> selectAllBookByTitle() {
+        StringBuilder sb = new StringBuilder("SELECT * FROM ").append(TABLE_NAME_BY_TITLE);
+
+        final String query = sb.toString();
+        ResultSet rs = session.execute(query);
+
+        List<Book> books = new ArrayList<Book>();
+
+        for (Row r : rs) {
+            Book book = new Book(r.getUUID("id"), r.getString("title"), null, null);
+            books.add(book);
+        }
+        return books;
+    }
+
+    /**
+     * Delete a book by title.
+     */
+    public void deletebookByTitle(String title) {
+        StringBuilder sb = new StringBuilder("DELETE FROM ").append(TABLE_NAME_BY_TITLE).append(" WHERE title = '").append(title).append("';");
+
+        final String query = sb.toString();
+        session.execute(query);
+    }
+
+    /**
+     * Delete table.
+     * 
+     * @param tableName the name of the table to delete.
+     */
+    public void deleteTable(String tableName) {
+        StringBuilder sb = new StringBuilder("DROP TABLE IF EXISTS ").append(tableName);
+
+        final String query = sb.toString();
+        session.execute(query);
+    }
+}

java-cassandra/src/main/java/com/baeldung/cassandra/java/client/repository/KeyspaceRepository.java

@@ -0,0 +1,49 @@
+package com.baeldung.cassandra.java.client.repository;
+
+import com.datastax.driver.core.Session;
+
+/**
+ * Repository to handle the Cassandra schema.
+ *
+ */
+public class KeyspaceRepository {
+    private Session session;
+
+    public KeyspaceRepository(Session session) {
+        this.session = session;
+    }
+
+    /**
+     * Method used to create any keyspace - schema.
+     * 
+     * @param schemaName the name of the schema.
+     * @param replicatioonStrategy the replication strategy.
+     * @param numberOfReplicas the number of replicas.
+     * 
+     */
+    public void createKeyspace(String keyspaceName, String replicatioonStrategy, int numberOfReplicas) {
+        StringBuilder sb = new StringBuilder("CREATE KEYSPACE IF NOT EXISTS ").append(keyspaceName).append(" WITH replication = {").append("'class':'").append(replicatioonStrategy).append("','replication_factor':").append(numberOfReplicas).append("};");
+
+        final String query = sb.toString();
+
+        session.execute(query);
+    }
+
+    public void useKeyspace(String keyspace) {
+        session.execute("USE " + keyspace);
+    }
+
+    /**
+     * Method used to delete the specified schema.
+     * It results in the immediate, irreversable removal of the keyspace, including all tables and data contained in the keyspace.
+     * 
+     * @param schemaName the name of the keyspace to delete.
+     */
+    public void deleteKeyspace(String keyspaceName) {
+        StringBuilder sb = new StringBuilder("DROP KEYSPACE ").append(keyspaceName);
+
+        final String query = sb.toString();
+
+        session.execute(query);
+    }
+}

java-cassandra/src/test/java/com/baeldung/cassandra/java/client/repository/BookRepositoryIntegrationTest.java

@@ -0,0 +1,174 @@
+package com.baeldung.cassandra.java.client.repository;
+
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertTrue;
+import static org.junit.Assert.assertEquals;
+
+import java.io.IOException;
+import java.util.List;
+import java.util.stream.Collectors;
+
+import org.apache.cassandra.exceptions.ConfigurationException;
+import org.apache.thrift.transport.TTransportException;
+import org.cassandraunit.utils.EmbeddedCassandraServerHelper;
+import org.junit.AfterClass;
+import org.junit.Before;
+import org.junit.BeforeClass;
+import org.junit.Test;
+
+import com.baeldung.cassandra.java.client.CassandraConnector;
+import com.baeldung.cassandra.java.client.domain.Book;
+import com.datastax.driver.core.ResultSet;
+import com.datastax.driver.core.Session;
+import com.datastax.driver.core.exceptions.InvalidQueryException;
+import com.datastax.driver.core.utils.UUIDs;
+
+public class BookRepositoryIntegrationTest {
+
+    private KeyspaceRepository schemaRepository;
+
+    private BookRepository bookRepository;
+
+    private Session session;
+
+    final String KEYSPACE_NAME = "testLibrary";
+    final String BOOKS = "books";
+    final String BOOKS_BY_TITLE = "booksByTitle";
+
+    @BeforeClass
+    public static void init() throws ConfigurationException, TTransportException, IOException, InterruptedException {
+        // Start an embedded Cassandra Server
+        EmbeddedCassandraServerHelper.startEmbeddedCassandra(20000L);
+    }
+
+    @Before
+    public void connect() {
+        CassandraConnector client = new CassandraConnector();
+        client.connect("127.0.0.1", 9142);
+        this.session = client.getSession();
+        schemaRepository = new KeyspaceRepository(session);
+        schemaRepository.createKeyspace(KEYSPACE_NAME, "SimpleStrategy", 1);
+        schemaRepository.useKeyspace(KEYSPACE_NAME);
+        bookRepository = new BookRepository(session);
+    }
+
+    @Test
+    public void whenCreatingATable_thenCreatedCorrectly() {
+        bookRepository.deleteTable(BOOKS);
+        bookRepository.createTable();
+
+        ResultSet result = session.execute("SELECT * FROM " + KEYSPACE_NAME + "." + BOOKS + ";");
+
+        // Collect all the column names in one list.
+        List<String> columnNames = result.getColumnDefinitions().asList().stream().map(cl -> cl.getName()).collect(Collectors.toList());
+        assertEquals(columnNames.size(), 4);
+        assertTrue(columnNames.contains("id"));
+        assertTrue(columnNames.contains("title"));
+        assertTrue(columnNames.contains("author"));
+        assertTrue(columnNames.contains("subject"));
+    }
+
+    @Test
+    public void whenAlteringTable_thenAddedColumnExists() {
+        bookRepository.deleteTable(BOOKS);
+        bookRepository.createTable();
+
+        bookRepository.alterTablebooks("publisher", "text");
+
+        ResultSet result = session.execute("SELECT * FROM " + KEYSPACE_NAME + "." + BOOKS + ";");
+
+        boolean columnExists = result.getColumnDefinitions().asList().stream().anyMatch(cl -> cl.getName().equals("publisher"));
+        assertTrue(columnExists);
+    }
+
+    @Test
+    public void whenAddingANewBook_thenBookExists() {
+        bookRepository.deleteTable(BOOKS_BY_TITLE);
+        bookRepository.createTableBooksByTitle();
+
+        String title = "Effective Java";
+        String author = "Joshua Bloch";
+        Book book = new Book(UUIDs.timeBased(), title, author, "Programming");
+        bookRepository.insertbookByTitle(book);
+
+        Book savedBook = bookRepository.selectByTitle(title);
+        assertEquals(book.getTitle(), savedBook.getTitle());
+    }
+
+    @Test
+    public void whenAddingANewBookBatch_ThenBookAddedInAllTables() {
+        // Create table books
+        bookRepository.deleteTable(BOOKS);
+        bookRepository.createTable();
+
+        // Create table booksByTitle
+        bookRepository.deleteTable(BOOKS_BY_TITLE);
+        bookRepository.createTableBooksByTitle();
+
+        String title = "Effective Java";
+        String author = "Joshua Bloch";
+        Book book = new Book(UUIDs.timeBased(), title, author, "Programming");
+        bookRepository.insertBookBatch(book);
+
+        List<Book> books = bookRepository.selectAll();
+
+        assertEquals(1, books.size());
+        assertTrue(books.stream().anyMatch(b -> b.getTitle().equals("Effective Java")));
+
+        List<Book> booksByTitle = bookRepository.selectAllBookByTitle();
+
+        assertEquals(1, booksByTitle.size());
+        assertTrue(booksByTitle.stream().anyMatch(b -> b.getTitle().equals("Effective Java")));
+    }
+
+    @Test
+    public void whenSelectingAll_thenReturnAllRecords() {
+        bookRepository.deleteTable(BOOKS);
+        bookRepository.createTable();
+
+        Book book = new Book(UUIDs.timeBased(), "Effective Java", "Joshua Bloch", "Programming");
+        bookRepository.insertbook(book);
+
+        book = new Book(UUIDs.timeBased(), "Clean Code", "Robert C. Martin", "Programming");
+        bookRepository.insertbook(book);
+
+        List<Book> books = bookRepository.selectAll();
+
+        assertEquals(2, books.size());
+        assertTrue(books.stream().anyMatch(b -> b.getTitle().equals("Effective Java")));
+        assertTrue(books.stream().anyMatch(b -> b.getTitle().equals("Clean Code")));
+    }
+
+    @Test
+    public void whenDeletingABookByTitle_thenBookIsDeleted() {
+        bookRepository.deleteTable(BOOKS_BY_TITLE);
+        bookRepository.createTableBooksByTitle();
+
+        Book book = new Book(UUIDs.timeBased(), "Effective Java", "Joshua Bloch", "Programming");
+        bookRepository.insertbookByTitle(book);
+
+        book = new Book(UUIDs.timeBased(), "Clean Code", "Robert C. Martin", "Programming");
+        bookRepository.insertbookByTitle(book);
+
+        bookRepository.deletebookByTitle("Clean Code");
+
+        List<Book> books = bookRepository.selectAllBookByTitle();
+        assertEquals(1, books.size());
+        assertTrue(books.stream().anyMatch(b -> b.getTitle().equals("Effective Java")));
+        assertFalse(books.stream().anyMatch(b -> b.getTitle().equals("Clean Code")));
+
+    }
+
+    @Test(expected = InvalidQueryException.class)
+    public void whenDeletingATable_thenUnconfiguredTable() {
+        bookRepository.createTable();
+        bookRepository.deleteTable(BOOKS);
+
+        session.execute("SELECT * FROM " + KEYSPACE_NAME + "." + BOOKS + ";");
+    }
+
+    @AfterClass
+    public static void cleanup() {
+        EmbeddedCassandraServerHelper.cleanEmbeddedCassandra();
+    }
+}

java-cassandra/src/test/java/com/baeldung/cassandra/java/client/repository/KeyspaceRepositoryIntegrationTest.java

@@ -0,0 +1,77 @@
+package com.baeldung.cassandra.java.client.repository;
+
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertTrue;
+import static org.junit.Assert.assertEquals;
+
+import java.io.IOException;
+import java.util.List;
+import java.util.stream.Collectors;
+
+import org.apache.cassandra.exceptions.ConfigurationException;
+import org.apache.thrift.transport.TTransportException;
+import org.cassandraunit.utils.EmbeddedCassandraServerHelper;
+import org.junit.AfterClass;
+import org.junit.Before;
+import org.junit.BeforeClass;
+import org.junit.FixMethodOrder;
+import org.junit.Test;
+import org.junit.runners.MethodSorters;
+
+import com.baeldung.cassandra.java.client.CassandraConnector;
+import com.datastax.driver.core.ResultSet;
+import com.datastax.driver.core.Session;
+
+@FixMethodOrder(MethodSorters.NAME_ASCENDING)
+public class KeyspaceRepositoryIntegrationTest {
+
+    private KeyspaceRepository schemaRepository;
+
+    private Session session;
+
+    @BeforeClass
+    public static void init() throws ConfigurationException, TTransportException, IOException, InterruptedException {
+        // Start an embedded Cassandra Server
+        EmbeddedCassandraServerHelper.startEmbeddedCassandra(20000L);
+    }
+
+    @Before
+    public void connect() {
+        CassandraConnector client = new CassandraConnector();
+        client.connect("127.0.0.1", 9142);
+        this.session = client.getSession();
+        schemaRepository = new KeyspaceRepository(session);
+    }
+
+    @Test
+    public void whenCreatingAKeyspace_thenCreated() {
+        String keyspaceName = "testBaeldungKeyspace";
+        schemaRepository.createKeyspace(keyspaceName, "SimpleStrategy", 1);
+
+        // ResultSet result = session.execute("SELECT * FROM system_schema.keyspaces WHERE keyspace_name = 'testBaeldungKeyspace';");
+
+        ResultSet result = session.execute("SELECT * FROM system_schema.keyspaces;");
+
+        // Check if the Keyspace exists in the returned keyspaces.
+        List<String> matchedKeyspaces = result.all().stream().filter(r -> r.getString(0).equals(keyspaceName.toLowerCase())).map(r -> r.getString(0)).collect(Collectors.toList());
+        assertEquals(matchedKeyspaces.size(), 1);
+        assertTrue(matchedKeyspaces.get(0).equals(keyspaceName.toLowerCase()));
+    }
+
+    @Test
+    public void whenDeletingAKeyspace_thenDoesNotExist() {
+        String keyspaceName = "testBaeldungKeyspace";
+
+        // schemaRepository.createKeyspace(keyspaceName, "SimpleStrategy", 1);
+        schemaRepository.deleteKeyspace(keyspaceName);
+
+        ResultSet result = session.execute("SELECT * FROM system_schema.keyspaces;");
+        boolean isKeyspaceCreated = result.all().stream().anyMatch(r -> r.getString(0).equals(keyspaceName.toLowerCase()));
+        assertFalse(isKeyspaceCreated);
+    }
+
+    @AfterClass
+    public static void cleanup() {
+        EmbeddedCassandraServerHelper.cleanEmbeddedCassandra();
+    }
+}

pom.xml

@@ -129,7 +129,7 @@
         <module>redis</module>
 
         <module>xstream</module>
-
+        <module>java-cassandra</module>
     </modules>
 
 </project>

spring-jpa/src/main/java/org/baeldung/persistence/multiple/dao/user/PossessionRepository.java

@@ -0,0 +1,8 @@
+package org.baeldung.persistence.multiple.dao.user;
+
+import org.baeldung.persistence.multiple.model.user.Possession;
+import org.springframework.data.jpa.repository.JpaRepository;
+
+public interface PossessionRepository extends JpaRepository<Possession, Long> {
+
+}

spring-jpa/src/main/java/org/baeldung/persistence/multiple/model/user/Possession.java

@@ -0,0 +1,86 @@
+package org.baeldung.persistence.multiple.model.user;
+
+import javax.persistence.Entity;
+import javax.persistence.GeneratedValue;
+import javax.persistence.GenerationType;
+import javax.persistence.Id;
+import javax.persistence.Table;
+
+@Entity
+@Table(schema = "spring_jpa_user")
+public class Possession {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.AUTO)
+    private long id;
+
+    private String name;
+
+    public Possession() {
+        super();
+    }
+
+    public Possession(final String name) {
+        super();
+
+        this.name = name;
+    }
+
+    public long getId() {
+        return id;
+    }
+
+    public void setId(final int id) {
+        this.id = id;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(final String name) {
+        this.name = name;
+    }
+
+    @Override
+    public int hashCode() {
+        final int prime = 31;
+        int result = 1;
+        result = (prime * result) + (int) (id ^ (id >>> 32));
+        result = (prime * result) + ((name == null) ? 0 : name.hashCode());
+        return result;
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (this == obj) {
+            return true;
+        }
+        if (obj == null) {
+            return false;
+        }
+        if (getClass() != obj.getClass()) {
+            return false;
+        }
+        final Possession other = (Possession) obj;
+        if (id != other.id) {
+            return false;
+        }
+        if (name == null) {
+            if (other.name != null) {
+                return false;
+            }
+        } else if (!name.equals(other.name)) {
+            return false;
+        }
+        return true;
+    }
+
+    @Override
+    public String toString() {
+        final StringBuilder builder = new StringBuilder();
+        builder.append("Possesion [id=").append(id).append(", name=").append(name).append("]");
+        return builder.toString();
+    }
+
+}

spring-jpa/src/main/java/org/baeldung/persistence/multiple/model/user/User.java

@@ -1,10 +1,13 @@
 package org.baeldung.persistence.multiple.model.user;
 
+import java.util.List;
+
 import javax.persistence.Column;
 import javax.persistence.Entity;
 import javax.persistence.GeneratedValue;
 import javax.persistence.GenerationType;
 import javax.persistence.Id;
+import javax.persistence.OneToMany;
 import javax.persistence.Table;
 
 @Entity
@@ -22,6 +25,9 @@ public class User {
 
     private int age;
 
+    @OneToMany
+    List<Possession> possessionList;
+
     public User() {
         super();
     }
@@ -58,6 +64,14 @@ public class User {
         this.age = age;
     }
 
+    public List<Possession> getPossessionList() {
+        return possessionList;
+    }
+
+    public void setPossessionList(List<Possession> possessionList) {
+        this.possessionList = possessionList;
+    }
+
     @Override
     public String toString() {
         final StringBuilder builder = new StringBuilder();

spring-jpa/src/test/java/org/baeldung/persistence/service/JpaMultipleDBIntegrationTest.java

@@ -1,14 +1,18 @@
 package org.baeldung.persistence.service;
 
 import static org.junit.Assert.assertNotNull;
-import static org.junit.Assert.assertNull;
+import static org.junit.Assert.assertTrue;
 import static org.junit.Assert.fail;
 
+import java.util.Arrays;
+
 import org.baeldung.config.ProductConfig;
 import org.baeldung.config.UserConfig;
 import org.baeldung.persistence.multiple.dao.product.ProductRepository;
+import org.baeldung.persistence.multiple.dao.user.PossessionRepository;
 import org.baeldung.persistence.multiple.dao.user.UserRepository;
 import org.baeldung.persistence.multiple.model.product.Product;
+import org.baeldung.persistence.multiple.model.user.Possession;
 import org.baeldung.persistence.multiple.model.user.User;
 import org.junit.Test;
 import org.junit.runner.RunWith;
@@ -16,15 +20,20 @@ import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.dao.DataIntegrityViolationException;
 import org.springframework.test.context.ContextConfiguration;
 import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
+import org.springframework.transaction.annotation.EnableTransactionManagement;
 import org.springframework.transaction.annotation.Transactional;
 
 @RunWith(SpringJUnit4ClassRunner.class)
 @ContextConfiguration(classes = { UserConfig.class, ProductConfig.class })
+@EnableTransactionManagement
 public class JpaMultipleDBIntegrationTest {
 
     @Autowired
     private UserRepository userRepository;
 
+    @Autowired
+    private PossessionRepository possessionRepository;
+
     @Autowired
     private ProductRepository productRepository;
 
@@ -37,9 +46,14 @@ public class JpaMultipleDBIntegrationTest {
         user.setName("John");
         user.setEmail("john@test.com");
         user.setAge(20);
+        Possession p = new Possession("sample");
+        p = possessionRepository.save(p);
+        user.setPossessionList(Arrays.asList(p));
         user = userRepository.save(user);
-
+        final User result = userRepository.findOne(user.getId());
-        assertNotNull(userRepository.findOne(user.getId()));
+        assertNotNull(result);
+        System.out.println(result.getPossessionList());
+        assertTrue(result.getPossessionList().size() == 1);
     }
 
     @Test

spring-mvc-web-vs-initializer/.gitignore

@@ -0,0 +1,13 @@
+*.class
+
+#folders#
+/target
+/neoDb*
+/data
+/src/main/webapp/WEB-INF/classes
+*/META-INF/*
+
+# Packaged files #
+*.jar
+*.war
+*.ear

spring-mvc-web-vs-initializer/pom.xml

@@ -0,0 +1,201 @@
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <groupId>com.baeldung</groupId>
+    <artifactId>spring-mvc-web-vs-initializer</artifactId>
+    <version>0.1-SNAPSHOT</version>
+
+    <name>spring-mvc-web-vs-initializer</name>
+    <packaging>war</packaging>
+
+    <parent>
+        <groupId>org.springframework.boot</groupId>
+        <artifactId>spring-boot-starter-parent</artifactId>
+        <version>1.3.6.RELEASE</version>
+    </parent>
+
+    <dependencies>
+        <dependency>
+            <groupId>com.fasterxml.jackson.core</groupId>
+            <artifactId>jackson-databind</artifactId>
+        </dependency>
+
+        <!-- Spring -->
+
+        <dependency>
+            <groupId>org.springframework</groupId>
+            <artifactId>spring-web</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework</groupId>
+            <artifactId>spring-webmvc</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework</groupId>
+            <artifactId>spring-context</artifactId>
+        </dependency>
+
+        <!-- web -->
+
+        <dependency>
+            <groupId>javax.servlet</groupId>
+            <artifactId>javax.servlet-api</artifactId>
+            <scope>provided</scope>
+        </dependency>
+
+        <dependency>
+            <groupId>javax.servlet</groupId>
+            <artifactId>jstl</artifactId>
+            <scope>runtime</scope>
+        </dependency>
+
+        <!-- util -->
+
+        <dependency>
+            <groupId>com.google.guava</groupId>
+            <artifactId>guava</artifactId>
+            <version>${guava.version}</version>
+        </dependency>
+        
+        <!-- logging -->
+
+        <dependency>
+            <groupId>org.slf4j</groupId>
+            <artifactId>slf4j-api</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>ch.qos.logback</groupId>
+            <artifactId>logback-classic</artifactId>
+            <!-- <scope>runtime</scope> -->
+        </dependency>
+        <dependency>
+            <groupId>org.slf4j</groupId>
+            <artifactId>jcl-over-slf4j</artifactId>
+            <!-- <scope>runtime</scope> --> <!-- some spring dependencies need to compile against jcl -->
+        </dependency>
+        <dependency> <!-- needed to bridge to slf4j for projects that use the log4j APIs directly -->
+            <groupId>org.slf4j</groupId>
+            <artifactId>log4j-over-slf4j</artifactId>
+        </dependency>
+
+        <!-- test scoped -->
+
+        <dependency>
+            <groupId>org.springframework</groupId>
+            <artifactId>spring-test</artifactId>
+            <scope>test</scope>
+        </dependency>
+
+        <dependency>
+            <groupId>junit</groupId>
+            <artifactId>junit</artifactId>
+            <scope>test</scope>
+        </dependency>
+
+        <dependency>
+            <groupId>org.assertj</groupId>
+            <artifactId>assertj-core</artifactId>
+            <version>3.5.1</version>
+            <scope>test</scope>
+        </dependency>
+
+        <dependency>
+            <groupId>org.hamcrest</groupId>
+            <artifactId>hamcrest-core</artifactId>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.hamcrest</groupId>
+            <artifactId>hamcrest-library</artifactId>
+            <scope>test</scope>
+        </dependency>
+
+        <dependency>
+            <groupId>org.mockito</groupId>
+            <artifactId>mockito-core</artifactId>
+            <scope>test</scope>
+        </dependency>
+
+        <dependency>
+            <groupId>org.easymock</groupId>
+            <artifactId>easymock</artifactId>
+            <version>3.4</version>
+            <scope>test</scope>
+        </dependency>
+
+    </dependencies>
+
+    <dependencyManagement>
+
+        <dependencies>
+
+            <dependency>
+                <groupId>org.springframework</groupId>
+                <artifactId>spring-framework-bom</artifactId>
+                <version>${org.springframework.version}</version>
+                <type>pom</type>
+                <scope>import</scope>
+            </dependency>
+
+            <dependency>
+                <groupId>org.springframework</groupId>
+                <artifactId>spring-core</artifactId>
+                <version>${org.springframework.version}</version>
+            </dependency>
+
+        </dependencies>
+
+    </dependencyManagement>
+
+    <build>
+        <finalName>spring-mvc-web-vs-initializer</finalName>
+        <resources>
+            <resource>
+                <directory>src/main/resources</directory>
+                <filtering>true</filtering>
+            </resource>
+        </resources>
+
+    </build>
+
+    <properties>
+        <!-- Spring -->
+        <org.springframework.version>4.3.1.RELEASE</org.springframework.version>
+        <org.springframework.security.version>4.0.4.RELEASE</org.springframework.security.version>
+        <javassist.version>3.20.0-GA</javassist.version>
+        <jstl.version>1.2</jstl.version>
+
+        <!-- persistence -->
+        <hibernate.version>4.3.11.Final</hibernate.version>
+        <mysql-connector-java.version>5.1.38</mysql-connector-java.version>
+
+        <!-- logging -->
+        <org.slf4j.version>1.7.13</org.slf4j.version>
+        <logback.version>1.1.3</logback.version>
+
+        <!-- various -->
+        <hibernate-validator.version>5.2.2.Final</hibernate-validator.version>
+
+        <!-- util -->
+        <guava.version>19.0</guava.version>
+        <commons-lang3.version>3.4</commons-lang3.version>
+
+        <!-- testing -->
+        <org.hamcrest.version>1.3</org.hamcrest.version>
+        <junit.version>4.12</junit.version>
+        <mockito.version>1.10.19</mockito.version>
+
+        <httpcore.version>4.4.1</httpcore.version>
+        <httpclient.version>4.5</httpclient.version>
+
+        <rest-assured.version>2.9.0</rest-assured.version>
+
+        <!-- maven plugins -->
+        <maven-compiler-plugin.version>3.5.1</maven-compiler-plugin.version>
+        <maven-war-plugin.version>2.6</maven-war-plugin.version>
+        <maven-surefire-plugin.version>2.19.1</maven-surefire-plugin.version>
+        <maven-resources-plugin.version>2.7</maven-resources-plugin.version>
+        <cargo-maven2-plugin.version>1.4.18</cargo-maven2-plugin.version>
+
+    </properties>
+
+</project>

spring-mvc-web-vs-initializer/src/main/java/org/baeldung/config/AppInitializer.java

@@ -0,0 +1,26 @@
+package org.baeldung.config;
+
+import org.springframework.web.WebApplicationInitializer;
+import org.springframework.web.context.ContextLoaderListener;
+import org.springframework.web.context.support.AnnotationConfigWebApplicationContext;
+import org.springframework.web.servlet.DispatcherServlet;
+
+import javax.servlet.ServletContext;
+import javax.servlet.ServletException;
+import javax.servlet.ServletRegistration;
+
+public class AppInitializer implements WebApplicationInitializer {
+
+    @Override
+    public void onStartup(ServletContext container) throws ServletException {
+        AnnotationConfigWebApplicationContext context = new AnnotationConfigWebApplicationContext();
+        context.setConfigLocation("org.baeldung.config");
+
+        container.addListener(new ContextLoaderListener(context));
+
+        ServletRegistration.Dynamic dispatcher = container.addServlet("java-servlet", new DispatcherServlet(context));
+        dispatcher.setLoadOnStartup(1);
+        dispatcher.addMapping("/java-servlet/*");
+    }
+
+}

spring-mvc-web-vs-initializer/src/main/java/org/baeldung/config/MvcConfig.java

@@ -0,0 +1,25 @@
+package org.baeldung.config;
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.ComponentScan;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.web.servlet.ViewResolver;
+import org.springframework.web.servlet.config.annotation.EnableWebMvc;
+import org.springframework.web.servlet.config.annotation.WebMvcConfigurerAdapter;
+import org.springframework.web.servlet.view.InternalResourceViewResolver;
+
+@Configuration
+@EnableWebMvc
+@ComponentScan(basePackages = "org.baeldung.controller.java")
+public class MvcConfig extends WebMvcConfigurerAdapter {
+
+    @Bean
+    public ViewResolver viewResolver() {
+        InternalResourceViewResolver viewResolver = new InternalResourceViewResolver();
+        viewResolver.setPrefix("/WEB-INF/view/");
+        viewResolver.setSuffix(".jsp");
+
+        return viewResolver;
+    }
+
+}

spring-mvc-web-vs-initializer/src/main/java/org/baeldung/controller/java/JavaController.java

@@ -0,0 +1,18 @@
+package org.baeldung.controller.java;
+
+import org.springframework.stereotype.Controller;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.servlet.ModelAndView;
+
+@Controller
+public class JavaController {
+
+    @RequestMapping(value = "/endpoint")
+    public ModelAndView handleRequestFromJavaConfiguredServlet() {
+        ModelAndView mv = new ModelAndView();
+        mv.setViewName("from-java");
+
+        return mv;
+    }
+
+}

spring-mvc-web-vs-initializer/src/main/java/org/baeldung/controller/xml/XmlController.java

@@ -0,0 +1,18 @@
+package org.baeldung.controller.xml;
+
+import org.springframework.stereotype.Controller;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.servlet.ModelAndView;
+
+@Controller
+public class XmlController {
+
+    @RequestMapping(value = "/endpoint")
+    public ModelAndView handleRequestFromXmlConfiguredServlet() {
+        ModelAndView mv = new ModelAndView();
+        mv.setViewName("from-xml");
+
+        return mv;
+    }
+
+}

spring-mvc-web-vs-initializer/src/main/resources/mvc-configuration.xml

@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<beans xmlns="http://www.springframework.org/schema/beans"
+	   xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	   xmlns:context="http://www.springframework.org/schema/context"
+	   xmlns:mvc="http://www.springframework.org/schema/mvc"
+	   xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc.xsd">
+
+	<context:component-scan base-package="org.baeldung.controller.xml" />
+	<mvc:annotation-driven />
+
+	<bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
+		<property name="prefix">
+			<value>/WEB-INF/view/</value>
+		</property>
+		<property name="suffix">
+			<value>.jsp</value>
+		</property>
+	</bean>
+
+</beans>

spring-mvc-web-vs-initializer/src/main/webapp/WEB-INF/view/from-java.jsp

@@ -0,0 +1,7 @@
+<html>
+<head></head>
+
+<body>
+	<h1>Java</h1>
+</body>
+</html>

spring-mvc-web-vs-initializer/src/main/webapp/WEB-INF/view/from-xml.jsp

@@ -0,0 +1,7 @@
+<html>
+<head></head>
+
+<body>
+	<h1>XML</h1>
+</body>
+</html>

spring-mvc-web-vs-initializer/src/main/webapp/WEB-INF/web.xml

@@ -0,0 +1,24 @@
+<web-app
+        xmlns="http://java.sun.com/xml/ns/javaee"
+        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+        xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd"
+        version="3.0">
+
+    <servlet>
+        <servlet-name>xml-servlet</servlet-name>
+        <servlet-class>
+            org.springframework.web.servlet.DispatcherServlet
+        </servlet-class>
+        <load-on-startup>1</load-on-startup>
+        <init-param>
+            <param-name>contextConfigLocation</param-name>
+            <param-value>classpath*:mvc-configuration.xml</param-value>
+        </init-param>
+    </servlet>
+
+    <servlet-mapping>
+        <servlet-name>xml-servlet</servlet-name>
+        <url-pattern>/xml-servlet/*</url-pattern>
+    </servlet-mapping>
+
+</web-app>

spring-mvc-web-vs-initializer/src/test/java/org/baeldung/controller/JavaServletTest.java

@@ -0,0 +1,45 @@
+package org.baeldung.controller;
+
+import org.baeldung.config.MvcConfig;
+import org.junit.Assert;
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.test.context.ContextConfiguration;
+import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
+import org.springframework.test.context.web.AnnotationConfigWebContextLoader;
+import org.springframework.test.context.web.WebAppConfiguration;
+import org.springframework.test.web.servlet.MockMvc;
+import org.springframework.test.web.servlet.request.MockMvcRequestBuilders;
+import org.springframework.test.web.servlet.setup.MockMvcBuilders;
+import org.springframework.web.context.WebApplicationContext;
+import org.springframework.web.servlet.ModelAndView;
+
+
+@RunWith(SpringJUnit4ClassRunner.class)
+@WebAppConfiguration
+@ContextConfiguration(loader=AnnotationConfigWebContextLoader.class, classes = MvcConfig.class)
+public class JavaServletTest {
+
+    private MockMvc mockMvc;
+
+    @Autowired
+    private WebApplicationContext wac;
+
+    @Before
+    public void setUp() {
+        this.mockMvc = MockMvcBuilders.webAppContextSetup(this.wac).build();
+    }
+
+    @Test
+    public void testJavaEndpoint() throws Exception {
+        ModelAndView mv = this.mockMvc.perform(MockMvcRequestBuilders.get("/endpoint"))
+                .andReturn()
+                .getModelAndView();
+
+        // validate view name
+        Assert.assertSame(mv.getViewName(), "from-java");
+    }
+
+}

spring-mvc-web-vs-initializer/src/test/java/org/baeldung/controller/XmlServletTest.java

@@ -0,0 +1,44 @@
+package org.baeldung.controller;
+
+import org.junit.Assert;
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.test.context.ContextConfiguration;
+import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
+import org.springframework.test.context.web.GenericXmlWebContextLoader;
+import org.springframework.test.context.web.WebAppConfiguration;
+import org.springframework.test.web.servlet.MockMvc;
+import org.springframework.test.web.servlet.request.MockMvcRequestBuilders;
+import org.springframework.test.web.servlet.setup.MockMvcBuilders;
+import org.springframework.web.context.WebApplicationContext;
+import org.springframework.web.servlet.ModelAndView;
+
+
+@RunWith(SpringJUnit4ClassRunner.class)
+@WebAppConfiguration
+@ContextConfiguration(loader=GenericXmlWebContextLoader.class, locations = "classpath*:mvc-configuration.xml")
+public class XmlServletTest {
+
+    private MockMvc mockMvc;
+
+    @Autowired
+    private WebApplicationContext wac;
+
+    @Before
+    public void setUp() {
+        this.mockMvc = MockMvcBuilders.webAppContextSetup(this.wac).build();
+    }
+
+    @Test
+    public void testXmlEndpoint() throws Exception {
+        ModelAndView mv = this.mockMvc.perform(MockMvcRequestBuilders.get("/endpoint"))
+                .andReturn()
+                .getModelAndView();
+
+        // validate view name
+        Assert.assertSame(mv.getViewName(), "from-xml");
+    }
+
+}

spring-rest/pom.xml

@@ -15,10 +15,7 @@
     <dependencies>
 
         <!-- Spring Boot Dependencies -->
-        <dependency>
+        
-            <groupId>org.springframework.boot</groupId>
-            <artifactId>spring-boot-starter-security</artifactId>
-        </dependency>
         <dependency>
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter-thymeleaf</artifactId>
@@ -75,6 +72,11 @@
             <artifactId>jackson-databind</artifactId>
         </dependency>
         
+        <dependency>
+		    <groupId>com.fasterxml.jackson.dataformat</groupId>
+		    <artifactId>jackson-dataformat-xml</artifactId>
+		</dependency>
+
         <dependency>
             <groupId>com.thoughtworks.xstream</groupId>
             <artifactId>xstream</artifactId>
@@ -146,11 +148,19 @@
             <artifactId>spring-test</artifactId>
         </dependency>
 
+        <dependency>
+		    <groupId>com.jayway.restassured</groupId>
+		    <artifactId>rest-assured</artifactId>
+		    <version>${rest-assured.version}</version>
+		</dependency>
+        
+        <!--  -->
         <dependency>
             <groupId>com.google.protobuf</groupId>
             <artifactId>protobuf-java</artifactId>
             <version>2.6.1</version>
         </dependency>
+        
         <dependency>
             <groupId>com.esotericsoftware</groupId>
             <artifactId>kryo</artifactId>
@@ -231,10 +241,6 @@
         <hibernate.version>4.3.11.Final</hibernate.version>
         <mysql-connector-java.version>5.1.39</mysql-connector-java.version>
 
-        <!-- marshalling -->
-
-        <jackson.version>2.7.2</jackson.version>
-
         <!-- various -->
         <hibernate-validator.version>5.2.2.Final</hibernate-validator.version>
 

spring-rest/src/main/java/org/baeldung/config/WebConfig.java

@@ -15,6 +15,11 @@ import org.springframework.oxm.xstream.XStreamMarshaller;
 import org.springframework.web.servlet.config.annotation.EnableWebMvc;
 import org.springframework.web.servlet.config.annotation.WebMvcConfigurerAdapter;
 
+/*
+ * Please note that main web configuration is in src/main/webapp/WEB-INF/api-servlet.xml
+ *
+ */
+
 @Configuration
 @EnableWebMvc
 @ComponentScan({ "org.baeldung.web" })

spring-rest/src/main/java/org/baeldung/web/controller/FooController.java

@@ -35,7 +35,6 @@ public class FooController {
     @ResponseStatus(HttpStatus.OK)
     @ResponseBody
     public Foo updateFoo(@PathVariable("id") final String id, @RequestBody final Foo foo) {
-        System.out.println(foo);
         return foo;
     }
 

spring-rest/src/main/webapp/WEB-INF/api-servlet.xml

@@ -8,7 +8,12 @@
 
     <context:component-scan base-package="org.baeldung.web" />
 
-    <mvc:annotation-driven />
+    <mvc:annotation-driven>
+        <mvc:message-converters register-defaults="true">
+           <bean class="org.baeldung.config.converter.KryoHttpMessageConverter"/>  
+           <bean class="org.springframework.http.converter.protobuf.ProtobufHttpMessageConverter"/>         
+        </mvc:message-converters>
+    </mvc:annotation-driven>
 
     <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver" />
     <bean class="org.springframework.web.servlet.view.XmlViewResolver">

spring-rest/src/main/webapp/WEB-INF/web.xml

@@ -8,7 +8,7 @@
     <display-name>Spring MVC Application</display-name>
 
     <!-- Spring root -->
-    <context-param>
+     <context-param>
         <param-name>contextClass</param-name>
         <param-value>
         	org.springframework.web.context.support.AnnotationConfigWebApplicationContext

spring-rest/src/test/java/org/baeldung/web/test/RequestMappingLiveTest.java

@@ -0,0 +1,62 @@
+package org.baeldung.web.test;
+
+import static org.hamcrest.Matchers.equalTo;
+
+import org.junit.Test;
+
+import com.jayway.restassured.RestAssured;
+
+public class RequestMappingLiveTest {
+    private static String BASE_URI = "http://localhost:8080/spring-rest/ex/";
+
+    @Test
+    public void givenSimplePath_whenGetFoos_thenOk() {
+        RestAssured.given().accept("text/html").get(BASE_URI + "foos").then().assertThat().body(equalTo("Simple Get some Foos"));
+    }
+
+    @Test
+    public void whenPostFoos_thenOk() {
+        RestAssured.given().accept("text/html").post(BASE_URI + "foos").then().assertThat().body(equalTo("Post some Foos"));
+    }
+
+    @Test
+    public void givenOneHeader_whenGetFoos_thenOk() {
+        RestAssured.given().accept("text/html").header("key", "val").get(BASE_URI + "foos").then().assertThat().body(equalTo("Get some Foos with Header"));
+    }
+
+    @Test
+    public void givenMultipleHeaders_whenGetFoos_thenOk() {
+        RestAssured.given().accept("text/html").headers("key1", "val1", "key2", "val2").get(BASE_URI + "foos").then().assertThat().body(equalTo("Get some Foos with Header"));
+    }
+
+    @Test
+    public void givenAcceptHeader_whenGetFoos_thenOk() {
+        RestAssured.given().accept("application/json").get(BASE_URI + "foos").then().assertThat().body(equalTo("Get some Foos with Header New"));
+    }
+
+    @Test
+    public void givenPathVariable_whenGetFoos_thenOk() {
+        RestAssured.given().accept("text/html").get(BASE_URI + "foos/1").then().assertThat().body(equalTo("Get a specific Foo with id=1"));
+    }
+
+    @Test
+    public void givenMultiplePathVariable_whenGetFoos_thenOk() {
+        RestAssured.given().accept("text/html").get(BASE_URI + "foos/1/bar/2").then().assertThat().body(equalTo("Get a specific Bar with id=2 from a Foo with id=1"));
+    }
+
+    @Test
+    public void givenPathVariable_whenGetBars_thenOk() {
+        RestAssured.given().accept("text/html").get(BASE_URI + "bars/1").then().assertThat().body(equalTo("Get a specific Bar with id=1"));
+    }
+
+    @Test
+    public void givenParams_whenGetBars_thenOk() {
+        RestAssured.given().accept("text/html").get(BASE_URI + "bars?id=100&second=something").then().assertThat().body(equalTo("Get a specific Bar with id=100"));
+    }
+
+    @Test
+    public void whenGetFoosOrBars_thenOk() {
+        RestAssured.given().accept("text/html").get(BASE_URI + "advanced/foos").then().assertThat().body(equalTo("Advanced - Get some Foos or Bars"));
+        RestAssured.given().accept("text/html").get(BASE_URI + "advanced/bars").then().assertThat().body(equalTo("Advanced - Get some Foos or Bars"));
+    }
+}

spring-rest/src/test/java/org/baeldung/web/test/SpringHttpMessageConvertersIntegrationTestsCase.java

@@ -3,9 +3,7 @@ package org.baeldung.web.test;
 import static org.hamcrest.Matchers.notNullValue;
 import static org.junit.Assert.assertThat;
 
-import java.util.ArrayList;
 import java.util.Arrays;
-import java.util.List;
 
 import org.baeldung.config.converter.KryoHttpMessageConverter;
 import org.baeldung.web.dto.Foo;
@@ -17,11 +15,7 @@ import org.springframework.http.HttpHeaders;
 import org.springframework.http.HttpMethod;
 import org.springframework.http.MediaType;
 import org.springframework.http.ResponseEntity;
-import org.springframework.http.converter.HttpMessageConverter;
-import org.springframework.http.converter.json.MappingJackson2HttpMessageConverter;
 import org.springframework.http.converter.protobuf.ProtobufHttpMessageConverter;
-import org.springframework.http.converter.xml.MarshallingHttpMessageConverter;
-import org.springframework.oxm.xstream.XStreamMarshaller;
 import org.springframework.web.client.RestTemplate;
 
 /**
@@ -50,7 +44,6 @@ public class SpringHttpMessageConvertersIntegrationTestsCase {
         final String URI = BASE_URI + "foos/{id}";
 
         final RestTemplate restTemplate = new RestTemplate();
-        restTemplate.setMessageConverters(getMessageConverters());
 
         final HttpHeaders headers = new HttpHeaders();
         headers.setAccept(Arrays.asList(MediaType.APPLICATION_XML));
@@ -67,7 +60,6 @@ public class SpringHttpMessageConvertersIntegrationTestsCase {
         final String URI = BASE_URI + "foos/{id}";
 
         final RestTemplate restTemplate = new RestTemplate();
-        restTemplate.setMessageConverters(getMessageConverters());
 
         final HttpHeaders headers = new HttpHeaders();
         headers.setAccept(Arrays.asList(MediaType.APPLICATION_JSON));
@@ -83,7 +75,6 @@ public class SpringHttpMessageConvertersIntegrationTestsCase {
     public void givenConsumingXml_whenWritingTheFoo_thenCorrect() {
         final String URI = BASE_URI + "foos/{id}";
         final RestTemplate restTemplate = new RestTemplate();
-        restTemplate.setMessageConverters(getMessageConverters());
 
         final Foo resource = new Foo(4, "jason");
         final HttpHeaders headers = new HttpHeaders();
@@ -129,20 +120,4 @@ public class SpringHttpMessageConvertersIntegrationTestsCase {
         assertThat(resource, notNullValue());
     }
 
-    // UTIL
-
-    private List<HttpMessageConverter<?>> getMessageConverters() {
-        final List<HttpMessageConverter<?>> converters = new ArrayList<HttpMessageConverter<?>>();
-
-        final MarshallingHttpMessageConverter xmlConverter = new MarshallingHttpMessageConverter();
-        final XStreamMarshaller xstreamMarshaller = new XStreamMarshaller();
-        xmlConverter.setMarshaller(xstreamMarshaller);
-        xmlConverter.setUnmarshaller(xstreamMarshaller);
-
-        converters.add(xmlConverter);
-        converters.add(new MappingJackson2HttpMessageConverter());
-
-        return converters;
-    }
-
 }

spring-security-rest-full/src/main/java/org/baeldung/spring/ListenerConfig.java

@@ -0,0 +1,16 @@
+package org.baeldung.spring;
+
+import javax.servlet.ServletContext;
+import javax.servlet.ServletException;
+
+import org.springframework.web.WebApplicationInitializer;
+import org.springframework.web.context.request.RequestContextListener;
+
+public class ListenerConfig implements WebApplicationInitializer {
+
+	@Override
+	public void onStartup(ServletContext sc) throws ServletException {
+		// Manages the lifecycle of the root application context
+		sc.addListener(new RequestContextListener());
+	}
+}

spring-security-rest-full/src/main/java/org/baeldung/spring/WebConfig.java

@@ -1,6 +1,7 @@
 package org.baeldung.spring;
 
 import org.baeldung.web.interceptor.LoggerInterceptor;
+import org.baeldung.web.interceptor.SessionTimerInterceptor;
 import org.baeldung.web.interceptor.UserInterceptor;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.ComponentScan;
@@ -15,7 +16,7 @@ import org.springframework.web.servlet.view.InternalResourceViewResolver;
 @Configuration
 @ComponentScan("org.baeldung.web")
 @EnableWebMvc
-public class WebConfig extends WebMvcConfigurerAdapter {
+public class WebConfig extends WebMvcConfigurerAdapter{
 
     public WebConfig() {
         super();
@@ -42,5 +43,7 @@ public class WebConfig extends WebMvcConfigurerAdapter {
 	public void addInterceptors(final InterceptorRegistry registry) {
 		registry.addInterceptor(new LoggerInterceptor());
 		registry.addInterceptor(new UserInterceptor());
+		registry.addInterceptor(new SessionTimerInterceptor());
 	}
+
 }

spring-security-rest-full/src/main/java/org/baeldung/web/interceptor/SessionTimerInterceptor.java

@@ -0,0 +1,57 @@
+package org.baeldung.web.interceptor;
+
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import javax.servlet.http.HttpSession;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.security.core.context.SecurityContextHolder;
+import org.springframework.web.servlet.ModelAndView;
+import org.springframework.web.servlet.handler.HandlerInterceptorAdapter;
+
+public class SessionTimerInterceptor extends HandlerInterceptorAdapter {
+
+	private static Logger log = LoggerFactory.getLogger(SessionTimerInterceptor.class);
+
+	private static final long MAX_INACTIVE_SESSION_TIME = 5 * 10000;
+
+	@Autowired
+	private HttpSession session;
+
+	/**
+	 * Executed before actual handler is executed
+	 **/
+	@Override
+	public boolean preHandle(final HttpServletRequest request, final HttpServletResponse response, final Object handler)
+			throws Exception {
+		log.info("Pre handle method - check handling start time");
+		long startTime = System.currentTimeMillis();
+		request.setAttribute("executionTime", startTime);
+		if (UserInterceptor.isUserLogged()) {
+			session = request.getSession();
+			log.info("Who is logged in: " + SecurityContextHolder.getContext().getAuthentication().getName());
+			log.info("Time since last request in this session: "
+					+ (System.currentTimeMillis() - request.getSession().getLastAccessedTime()) + " ms");
+			if (System.currentTimeMillis() - session.getLastAccessedTime() > MAX_INACTIVE_SESSION_TIME) {
+				log.warn("Logging out, due to inactive session");
+				SecurityContextHolder.clearContext();
+				request.logout();
+				response.sendRedirect("/spring-security-rest-full/logout");
+			}
+		}
+		return true;
+	}
+
+	/**
+	 * Executed before after handler is executed
+	 **/
+	@Override
+	public void postHandle(final HttpServletRequest request, final HttpServletResponse response, final Object handler,
+			final ModelAndView model) throws Exception {
+		log.info("Post handle method - check execution time of handling");
+		long startTime = (Long) request.getAttribute("executionTime");
+		log.info("Execution time for handling the request was: " + (System.currentTimeMillis() - startTime) + " ms");
+	}
+}

spring-security-rest-full/src/test/java/org/baeldung/web/interceptor/SessionTimerInterceptorTest.java

@@ -0,0 +1,56 @@
+package org.baeldung.web.interceptor;
+
+import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.get;
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status;
+
+import javax.servlet.http.HttpSession;
+
+import org.baeldung.spring.PersistenceConfig;
+import org.baeldung.spring.SecurityWithoutCsrfConfig;
+import org.baeldung.spring.WebConfig;
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.MockitoAnnotations;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.mock.web.MockHttpSession;
+import org.springframework.security.test.context.support.WithMockUser;
+import org.springframework.test.context.ContextConfiguration;
+import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
+import org.springframework.test.context.web.WebAppConfiguration;
+import org.springframework.test.web.servlet.MockMvc;
+import org.springframework.test.web.servlet.setup.MockMvcBuilders;
+import org.springframework.transaction.annotation.Transactional;
+import org.springframework.web.context.WebApplicationContext;
+
+@RunWith(SpringJUnit4ClassRunner.class)
+@WebAppConfiguration
+@Transactional
+@ContextConfiguration(classes = { SecurityWithoutCsrfConfig.class, PersistenceConfig.class, WebConfig.class })
+@WithMockUser(username = "admin", roles = { "USER", "ADMIN" })
+public class SessionTimerInterceptorTest {
+
+	@Autowired
+	WebApplicationContext wac;
+
+	private MockMvc mockMvc;
+
+	@Before
+	public void setup() {
+		MockitoAnnotations.initMocks(this);
+		mockMvc = MockMvcBuilders.webAppContextSetup(wac).build();
+	}
+
+	/**
+	 * After execution of HTTP GET logs from interceptor will be displayed in
+	 * the console
+	 */
+	@Test
+	public void testInterceptors() throws Exception {
+		HttpSession session = mockMvc.perform(get("/auth/admin")).andExpect(status().is2xxSuccessful()).andReturn()
+				.getRequest().getSession();
+		Thread.sleep(51000);
+		mockMvc.perform(get("/auth/admin").session((MockHttpSession) session)).andExpect(status().is2xxSuccessful());
+	}
+
+}