BAEL-1734 move packages from libraries to libraries-data

libraries-data/README.md

@@ -3,3 +3,7 @@
 - [Introduction to ORMLite](http://www.baeldung.com/ormlite)
 - [Introduction To Kryo](http://www.baeldung.com/kryo)
 - [Introduction to KafkaStreams in Java](http://www.baeldung.com/java-kafka-streams)
+- [Guide to Java Data Objects](http://www.baeldung.com/jdo)
+- [Intro to JDO Queries 2/2](http://www.baeldung.com/jdo-queries)
+- [Introduction to HikariCP](http://www.baeldung.com/hikaricp)
+- [Introduction to JCache](http://www.baeldung.com/jcache)

libraries-data/log4j.properties

@@ -0,0 +1 @@
+log4j.rootLogger=INFO, stdout

libraries-data/myPersistence.xml

@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="UTF-8"?><root>
+    
+    
+    
+
+    
+    
+
+    
+    
+
+    
+    
+
+    
+    
+
+    
+    
+
+    
+    
+
+    
+    
+</root>

libraries-data/pom.xml

@@ -85,6 +85,55 @@
             <artifactId>gson</artifactId>
             <version>${gson.version}</version>
         </dependency>
+        <!-- Hikari  CP -->
+        <dependency>
+            <groupId>com.zaxxer</groupId>
+            <artifactId>HikariCP</artifactId>
+            <version>2.7.2</version>
+            <scope>compile</scope>
+        </dependency>
+        <!-- JDO -->
+        <dependency>
+            <groupId>org.datanucleus</groupId>
+            <artifactId>javax.jdo</artifactId>
+            <version>3.2.0-m7</version>
+        </dependency>
+        <dependency>
+            <groupId>org.datanucleus</groupId>
+            <artifactId>datanucleus-core</artifactId>
+            <version>5.1.1</version>
+        </dependency>
+        <dependency>
+            <groupId>org.datanucleus</groupId>
+            <artifactId>datanucleus-api-jdo</artifactId>
+            <version>5.1.1</version>
+        </dependency>
+        <dependency>
+            <groupId>org.datanucleus</groupId>
+            <artifactId>datanucleus-rdbms</artifactId>
+            <version>5.1.1</version>
+        </dependency>
+        <dependency>
+            <groupId>org.datanucleus</groupId>
+            <artifactId>datanucleus-maven-plugin</artifactId>
+            <version>5.0.2</version>
+        </dependency>
+        <dependency>
+            <groupId>org.datanucleus</groupId>
+            <artifactId>datanucleus-xml</artifactId>
+            <version>5.0.0-release</version>
+        </dependency>
+        <dependency>
+            <groupId>org.datanucleus</groupId>
+            <artifactId>datanucleus-jdo-query</artifactId>
+            <version>5.0.4</version>
+        </dependency>
+        <!-- Jcache -->
+        <dependency>
+            <groupId>javax.cache</groupId>
+            <artifactId>cache-api</artifactId>
+            <version>${cache.version}</version>
+        </dependency>
     </dependencies>
 
     <build>
@@ -184,6 +233,29 @@
             </plugin>
             <!-- /Reladomo-->
 
+            <!-- JDO Plugin -->
+            <plugin>
+                <groupId>org.datanucleus</groupId>
+                <artifactId>datanucleus-maven-plugin</artifactId>
+                <version>5.0.2</version>
+                <configuration>
+                    <api>JDO</api>
+                    <props>${basedir}/datanucleus.properties</props>
+                    <log4jConfiguration>${basedir}/log4j.properties</log4jConfiguration>
+                    <verbose>true</verbose>
+                    <fork>false</fork>
+                    <!-- Solve windows line too long error -->
+                </configuration>
+                <executions>
+                    <execution>
+                        <phase>process-classes</phase>
+                        <goals>
+                            <goal>enhance</goal>
+                        </goals>
+                    </execution>
+                </executions>
+            </plugin>
+
         </plugins>
     </build>
 
@@ -203,5 +275,6 @@
         <kafka.version>1.0.0</kafka.version>
         <ignite.version>2.3.0</ignite.version>
         <gson.version>2.8.2</gson.version>
+        <cache.version>1.0.0</cache.version>
     </properties>
 </project>

libraries-data/src/main/java/com/baeldung/jdo/query/MyApp.java

@@ -1,96 +1,96 @@
-package com.baeldung.jdo.query;
+package com.baeldung.jdo.query;
-
+
-import java.util.List;
+import java.util.List;
-
+
-import javax.jdo.JDOQLTypedQuery;
+import javax.jdo.JDOQLTypedQuery;
-import javax.jdo.PersistenceManager;
+import javax.jdo.PersistenceManager;
-import javax.jdo.PersistenceManagerFactory;
+import javax.jdo.PersistenceManagerFactory;
-import javax.jdo.Query;
+import javax.jdo.Query;
-
+
-import org.datanucleus.api.jdo.JDOPersistenceManagerFactory;
+import org.datanucleus.api.jdo.JDOPersistenceManagerFactory;
-import org.datanucleus.metadata.PersistenceUnitMetaData;
+import org.datanucleus.metadata.PersistenceUnitMetaData;
-
+
-public class MyApp {
+public class MyApp {
-
+
-    private static PersistenceManagerFactory pmf;
+    private static PersistenceManagerFactory pmf;
-    private static PersistenceManager pm;
+    private static PersistenceManager pm;
-
+
-    public static void main(String[] args) {
+    public static void main(String[] args) {
-
+
-        defineDynamicPersistentUnit();
+        defineDynamicPersistentUnit();
-        createTestData();
+        createTestData();
-        queryUsingJDOQL();
+        queryUsingJDOQL();
-        queryUsingTypedJDOQL();
+        queryUsingTypedJDOQL();
-        queryUsingSQL();
+        queryUsingSQL();
-        queryUsingJPQL();
+        queryUsingJPQL();
-
+
-    }
+    }
-
+
-    public static void createTestData() {
+    public static void createTestData() {
-        ProductItem item1 = new ProductItem("supportedItem", "price less than 10", "SoldOut", 5);
+        ProductItem item1 = new ProductItem("supportedItem", "price less than 10", "SoldOut", 5);
-        ProductItem item2 = new ProductItem("pro2", "price less than 10", "InStock", 8);
+        ProductItem item2 = new ProductItem("pro2", "price less than 10", "InStock", 8);
-        ProductItem item3 = new ProductItem("pro3", "price more than 10", "SoldOut", 15);
+        ProductItem item3 = new ProductItem("pro3", "price more than 10", "SoldOut", 15);
-
+
-        if (pm != null) {
+        if (pm != null) {
-            pm.makePersistent(item1);
+            pm.makePersistent(item1);
-            pm.makePersistent(item2);
+            pm.makePersistent(item2);
-            pm.makePersistent(item3);
+            pm.makePersistent(item3);
-        }
+        }
-    }
+    }
-
+
-    public static void defineDynamicPersistentUnit() {
+    public static void defineDynamicPersistentUnit() {
-
+
-        PersistenceUnitMetaData pumd = new PersistenceUnitMetaData("dynamic-unit", "RESOURCE_LOCAL", null);
+        PersistenceUnitMetaData pumd = new PersistenceUnitMetaData("dynamic-unit", "RESOURCE_LOCAL", null);
-        pumd.addProperty("javax.jdo.option.ConnectionURL", "jdbc:mysql://localhost:3306/jdo_db");
+        pumd.addProperty("javax.jdo.option.ConnectionURL", "jdbc:mysql://localhost:3306/jdo_db");
-        pumd.addProperty("javax.jdo.option.ConnectionUserName", "root");
+        pumd.addProperty("javax.jdo.option.ConnectionUserName", "root");
-        pumd.addProperty("javax.jdo.option.ConnectionPassword", "admin");
+        pumd.addProperty("javax.jdo.option.ConnectionPassword", "admin");
-        pumd.addProperty("javax.jdo.option.ConnectionDriverName", "com.mysql.jdbc.Driver");
+        pumd.addProperty("javax.jdo.option.ConnectionDriverName", "com.mysql.jdbc.Driver");
-        pumd.addProperty("datanucleus.schema.autoCreateAll", "true");
+        pumd.addProperty("datanucleus.schema.autoCreateAll", "true");
-
+
-        pmf = new JDOPersistenceManagerFactory(pumd, null);
+        pmf = new JDOPersistenceManagerFactory(pumd, null);
-        pm = pmf.getPersistenceManager();
+        pm = pmf.getPersistenceManager();
-    }
+    }
-
+
-    public static void queryUsingJDOQL() {
+    public static void queryUsingJDOQL() {
-
+
-        Query query = pm.newQuery("SELECT FROM com.baeldung.jdo.query.ProductItem " + "WHERE price < threshold PARAMETERS double threshold");
+        Query query = pm.newQuery("SELECT FROM com.baeldung.jdo.query.ProductItem " + "WHERE price < threshold PARAMETERS double threshold");
-        List<ProductItem> explicitParamResults = (List<ProductItem>) query.execute(10);
+        List<ProductItem> explicitParamResults = (List<ProductItem>) query.execute(10);
-
+
-        query = pm.newQuery("SELECT FROM " + "com.baeldung.jdo.query.ProductItem WHERE price < :threshold");
+        query = pm.newQuery("SELECT FROM " + "com.baeldung.jdo.query.ProductItem WHERE price < :threshold");
-        query.setParameters("double threshold");
+        query.setParameters("double threshold");
-        List<ProductItem> explicitParamResults2 = (List<ProductItem>) query.execute(10);
+        List<ProductItem> explicitParamResults2 = (List<ProductItem>) query.execute(10);
-
+
-        query = pm.newQuery("SELECT FROM " + "com.baeldung.jdo.query.ProductItem WHERE price < :threshold");
+        query = pm.newQuery("SELECT FROM " + "com.baeldung.jdo.query.ProductItem WHERE price < :threshold");
-        List<ProductItem> implicitParamResults = (List<ProductItem>) query.execute(10);
+        List<ProductItem> implicitParamResults = (List<ProductItem>) query.execute(10);
-
+
-    }
+    }
-
+
-    public static void queryUsingTypedJDOQL() {
+    public static void queryUsingTypedJDOQL() {
-        JDOQLTypedQuery<ProductItem> tq = pm.newJDOQLTypedQuery(ProductItem.class);
+        JDOQLTypedQuery<ProductItem> tq = pm.newJDOQLTypedQuery(ProductItem.class);
-        QProductItem cand = QProductItem.candidate();
+        QProductItem cand = QProductItem.candidate();
-        tq = tq.filter(cand.price.lt(10).and(cand.name.startsWith("pro")));
+        tq = tq.filter(cand.price.lt(10).and(cand.name.startsWith("pro")));
-        List<ProductItem> results = tq.executeList();
+        List<ProductItem> results = tq.executeList();
-
+
-    }
+    }
-
+
-    public static void queryUsingSQL() {
+    public static void queryUsingSQL() {
-
+
-        Query query = pm.newQuery("javax.jdo.query.SQL", "select * from " + "product_item where price < ? and status = ?");
+        Query query = pm.newQuery("javax.jdo.query.SQL", "select * from " + "product_item where price < ? and status = ?");
-        query.setClass(ProductItem.class);
+        query.setClass(ProductItem.class);
-        query.setParameters(10, "InStock");
+        query.setParameters(10, "InStock");
-        List<ProductItem> results = query.executeList();
+        List<ProductItem> results = query.executeList();
-
+
-    }
+    }
-
+
-    public static void queryUsingJPQL() {
+    public static void queryUsingJPQL() {
-        Query query = pm.newQuery("JPQL", "select i from " + "com.baeldung.jdo.query.ProductItem i where i.price < 10" + " and i.status = 'InStock'");
+        Query query = pm.newQuery("JPQL", "select i from " + "com.baeldung.jdo.query.ProductItem i where i.price < 10" + " and i.status = 'InStock'");
-        List<ProductItem> results = (List<ProductItem>) query.execute();
+        List<ProductItem> results = (List<ProductItem>) query.execute();
-
+
-    }
+    }
-
+
-    public static void namedQuery() {
+    public static void namedQuery() {
-        Query<ProductItem> query = pm.newNamedQuery(ProductItem.class, "PriceBelow10");
+        Query<ProductItem> query = pm.newNamedQuery(ProductItem.class, "PriceBelow10");
-        List<ProductItem> results = query.executeList();
+        List<ProductItem> results = query.executeList();
-
+
-    }
+    }
-}
+}

libraries-data/src/main/java/com/baeldung/jdo/query/ProductItem.java

@@ -1,70 +1,70 @@
-package com.baeldung.jdo.query;
+package com.baeldung.jdo.query;
-
+
-import javax.jdo.annotations.IdGeneratorStrategy;
+import javax.jdo.annotations.IdGeneratorStrategy;
-import javax.jdo.annotations.PersistenceCapable;
+import javax.jdo.annotations.PersistenceCapable;
-import javax.jdo.annotations.Persistent;
+import javax.jdo.annotations.Persistent;
-import javax.jdo.annotations.PrimaryKey;
+import javax.jdo.annotations.PrimaryKey;
-
+
-@PersistenceCapable(table = "product_item")
+@PersistenceCapable(table = "product_item")
-public class ProductItem {
+public class ProductItem {
-
+
-    @PrimaryKey
+    @PrimaryKey
-    @Persistent(valueStrategy = IdGeneratorStrategy.INCREMENT)
+    @Persistent(valueStrategy = IdGeneratorStrategy.INCREMENT)
-    int id;
+    int id;
-    String name;
+    String name;
-    String description;
+    String description;
-    String status;
+    String status;
-    double price;
+    double price;
-
+
-    public ProductItem() {
+    public ProductItem() {
-
+
-    }
+    }
-
+
-    public ProductItem(String name, String description, String status, double price) {
+    public ProductItem(String name, String description, String status, double price) {
-        this.name = name;
+        this.name = name;
-        this.description = description;
+        this.description = description;
-        this.status = status;
+        this.status = status;
-        this.price = price;
+        this.price = price;
-    }
+    }
-
+
-    public int getId() {
+    public int getId() {
-        return id;
+        return id;
-    }
+    }
-
+
-    public void setId(int id) {
+    public void setId(int id) {
-        this.id = id;
+        this.id = id;
-    }
+    }
-
+
-    public String getName() {
+    public String getName() {
-        return name;
+        return name;
-    }
+    }
-
+
-    public void setName(String name) {
+    public void setName(String name) {
-        this.name = name;
+        this.name = name;
-    }
+    }
-
+
-    public String getDescription() {
+    public String getDescription() {
-        return description;
+        return description;
-    }
+    }
-
+
-    public void setDescription(String description) {
+    public void setDescription(String description) {
-        this.description = description;
+        this.description = description;
-    }
+    }
-
+
-    public double getPrice() {
+    public double getPrice() {
-        return price;
+        return price;
-    }
+    }
-
+
-    public void setPrice(double price) {
+    public void setPrice(double price) {
-        this.price = price;
+        this.price = price;
-    }
+    }
-
+
-    public String getStatus() {
+    public String getStatus() {
-        return status;
+        return status;
-    }
+    }
-
+
-    public void setStatus(String status) {
+    public void setStatus(String status) {
-        this.status = status;
+        this.status = status;
-    }
+    }
-
+
-}
+}

libraries-data/src/main/java/com/baeldung/jdo/xml/AnnotadedPerson.java

@@ -1,66 +1,66 @@
-package com.baeldung.jdo.xml;
+package com.baeldung.jdo.xml;
-
+
-import java.util.ArrayList;
+import java.util.ArrayList;
-import java.util.List;
+import java.util.List;
-
+
-import javax.jdo.annotations.Element;
+import javax.jdo.annotations.Element;
-import javax.jdo.annotations.PersistenceCapable;
+import javax.jdo.annotations.PersistenceCapable;
-import javax.jdo.annotations.PrimaryKey;
+import javax.jdo.annotations.PrimaryKey;
-import javax.xml.bind.annotation.XmlAttribute;
+import javax.xml.bind.annotation.XmlAttribute;
-import javax.xml.bind.annotation.XmlElement;
+import javax.xml.bind.annotation.XmlElement;
-import javax.xml.bind.annotation.XmlElementWrapper;
+import javax.xml.bind.annotation.XmlElementWrapper;
-
+
-@PersistenceCapable(schema = "/myproduct/people", table = "person")
+@PersistenceCapable(schema = "/myproduct/people", table = "person")
-public class AnnotadedPerson {
+public class AnnotadedPerson {
-    @XmlAttribute
+    @XmlAttribute
-    private long personNum;
+    private long personNum;
-
+
-    @PrimaryKey
+    @PrimaryKey
-    private String firstName;
+    private String firstName;
-    private String lastName;
+    private String lastName;
-
+
-    @XmlElementWrapper(name = "phone-numbers")
+    @XmlElementWrapper(name = "phone-numbers")
-    @XmlElement(name = "phone-number")
+    @XmlElement(name = "phone-number")
-    @Element(types = String.class)
+    @Element(types = String.class)
-    private List phoneNumbers = new ArrayList();
+    private List phoneNumbers = new ArrayList();
-
+
-    public AnnotadedPerson(long personNum, String firstName, String lastName) {
+    public AnnotadedPerson(long personNum, String firstName, String lastName) {
-        super();
+        super();
-        this.personNum = personNum;
+        this.personNum = personNum;
-        this.firstName = firstName;
+        this.firstName = firstName;
-        this.lastName = lastName;
+        this.lastName = lastName;
-    }
+    }
-
+
-    public long getPersonNum() {
+    public long getPersonNum() {
-        return personNum;
+        return personNum;
-    }
+    }
-
+
-    public void setPersonNum(long personNum) {
+    public void setPersonNum(long personNum) {
-        this.personNum = personNum;
+        this.personNum = personNum;
-    }
+    }
-
+
-    public String getFirstName() {
+    public String getFirstName() {
-        return firstName;
+        return firstName;
-    }
+    }
-
+
-    public void setFirstName(String firstName) {
+    public void setFirstName(String firstName) {
-        this.firstName = firstName;
+        this.firstName = firstName;
-    }
+    }
-
+
-    public String getLastName() {
+    public String getLastName() {
-        return lastName;
+        return lastName;
-    }
+    }
-
+
-    public void setLastName(String lastName) {
+    public void setLastName(String lastName) {
-        this.lastName = lastName;
+        this.lastName = lastName;
-    }
+    }
-
+
-    public List getPhoneNumbers() {
+    public List getPhoneNumbers() {
-        return phoneNumbers;
+        return phoneNumbers;
-    }
+    }
-
+
-    public void setPhoneNumbers(List phoneNumbers) {
+    public void setPhoneNumbers(List phoneNumbers) {
-        this.phoneNumbers = phoneNumbers;
+        this.phoneNumbers = phoneNumbers;
-    }
+    }
-
+
-}
+}

libraries-data/src/main/java/com/baeldung/jdo/xml/MyApp.java

@@ -1,105 +1,105 @@
-package com.baeldung.jdo.xml;
+package com.baeldung.jdo.xml;
-
+
-import java.util.List;
+import java.util.List;
-
+
-import javax.jdo.JDOHelper;
+import javax.jdo.JDOHelper;
-import javax.jdo.PersistenceManager;
+import javax.jdo.PersistenceManager;
-import javax.jdo.PersistenceManagerFactory;
+import javax.jdo.PersistenceManagerFactory;
-import javax.jdo.Query;
+import javax.jdo.Query;
-import javax.jdo.Transaction;
+import javax.jdo.Transaction;
-
+
-import org.datanucleus.api.jdo.JDOPersistenceManagerFactory;
+import org.datanucleus.api.jdo.JDOPersistenceManagerFactory;
-import org.datanucleus.metadata.PersistenceUnitMetaData;
+import org.datanucleus.metadata.PersistenceUnitMetaData;
-
+
-public class MyApp {
+public class MyApp {
-
+
-    private static PersistenceUnitMetaData pumd;
+    private static PersistenceUnitMetaData pumd;
-    private static PersistenceManagerFactory pmf;
+    private static PersistenceManagerFactory pmf;
-    private static PersistenceManager pm;
+    private static PersistenceManager pm;
-
+
-    public static void main(String[] args) {
+    public static void main(String[] args) {
-
+
-        // persist product object using dynamic persistence unit
+        // persist product object using dynamic persistence unit
-        defineDynamicPersistentUnit();
+        defineDynamicPersistentUnit();
-        Product product = new Product("id1", "Sony Discman", "A standard discman from Sony", 49.99);
+        Product product = new Product("id1", "Sony Discman", "A standard discman from Sony", 49.99);
-        persistObject(product);
+        persistObject(product);
-        closePersistenceManager();
+        closePersistenceManager();
-
+
-        // persist AnnotatedPerson object using named pmf
+        // persist AnnotatedPerson object using named pmf
-        defineNamedPersistenceManagerFactory("XmlDatastore");
+        defineNamedPersistenceManagerFactory("XmlDatastore");
-        AnnotadedPerson annotatedPerson = new AnnotadedPerson(654320, "annotated", "person");
+        AnnotadedPerson annotatedPerson = new AnnotadedPerson(654320, "annotated", "person");
-        annotatedPerson.getPhoneNumbers().add("999999999");
+        annotatedPerson.getPhoneNumbers().add("999999999");
-        annotatedPerson.getPhoneNumbers().add("000000000");
+        annotatedPerson.getPhoneNumbers().add("000000000");
-        persistObject(annotatedPerson);
+        persistObject(annotatedPerson);
-        queryAnnotatedPersonsInXML();
+        queryAnnotatedPersonsInXML();
-        closePersistenceManager();
+        closePersistenceManager();
-
+
-        // persist Person object using PMF created by properties file
+        // persist Person object using PMF created by properties file
-        definePersistenceManagerFactoryUsingPropertiesFile("META-INF\\datanucleus.properties");
+        definePersistenceManagerFactoryUsingPropertiesFile("META-INF\\datanucleus.properties");
-        Person person = new Person(654321, "bealdung", "author");
+        Person person = new Person(654321, "bealdung", "author");
-        person.getPhoneNumbers().add("123456789");
+        person.getPhoneNumbers().add("123456789");
-        person.getPhoneNumbers().add("987654321");
+        person.getPhoneNumbers().add("987654321");
-        persistObject(person);
+        persistObject(person);
-        queryPersonsInXML();
+        queryPersonsInXML();
-        closePersistenceManager();
+        closePersistenceManager();
-    }
+    }
-
+
-    public static void defineDynamicPersistentUnit() {
+    public static void defineDynamicPersistentUnit() {
-
+
-        PersistenceUnitMetaData pumd = new PersistenceUnitMetaData("dynamic-unit", "RESOURCE_LOCAL", null);
+        PersistenceUnitMetaData pumd = new PersistenceUnitMetaData("dynamic-unit", "RESOURCE_LOCAL", null);
-        pumd.addProperty("javax.jdo.option.ConnectionURL", "xml:file:myfile_dynamicPMF.xml");
+        pumd.addProperty("javax.jdo.option.ConnectionURL", "xml:file:myfile_dynamicPMF.xml");
-        pumd.addProperty("datanucleus.schema.autoCreateAll", "true");
+        pumd.addProperty("datanucleus.schema.autoCreateAll", "true");
-        pumd.addProperty("datanucleus.xml.indentSize", "4");
+        pumd.addProperty("datanucleus.xml.indentSize", "4");
-
+
-        pmf = new JDOPersistenceManagerFactory(pumd, null);
+        pmf = new JDOPersistenceManagerFactory(pumd, null);
-        pm = pmf.getPersistenceManager();
+        pm = pmf.getPersistenceManager();
-    }
+    }
-
+
-    public static void defineNamedPersistenceManagerFactory(String pmfName) {
+    public static void defineNamedPersistenceManagerFactory(String pmfName) {
-
+
-        pmf = JDOHelper.getPersistenceManagerFactory("XmlDatastore");
+        pmf = JDOHelper.getPersistenceManagerFactory("XmlDatastore");
-        pm = pmf.getPersistenceManager();
+        pm = pmf.getPersistenceManager();
-    }
+    }
-
+
-    public static void definePersistenceManagerFactoryUsingPropertiesFile(String filePath) {
+    public static void definePersistenceManagerFactoryUsingPropertiesFile(String filePath) {
-
+
-        pmf = JDOHelper.getPersistenceManagerFactory(filePath);
+        pmf = JDOHelper.getPersistenceManagerFactory(filePath);
-        pm = pmf.getPersistenceManager();
+        pm = pmf.getPersistenceManager();
-    }
+    }
-
+
-    public static void closePersistenceManager() {
+    public static void closePersistenceManager() {
-
+
-        if (pm != null && !pm.isClosed()) {
+        if (pm != null && !pm.isClosed()) {
-            pm.close();
+            pm.close();
-        }
+        }
-    }
+    }
-
+
-    public static void persistObject(Object obj) {
+    public static void persistObject(Object obj) {
-
+
-        Transaction tx = pm.currentTransaction();
+        Transaction tx = pm.currentTransaction();
-
+
-        try {
+        try {
-            tx.begin();
+            tx.begin();
-            pm.makePersistent(obj);
+            pm.makePersistent(obj);
-            tx.commit();
+            tx.commit();
-        } finally {
+        } finally {
-            if (tx.isActive()) {
+            if (tx.isActive()) {
-                tx.rollback();
+                tx.rollback();
-            }
+            }
-        }
+        }
-    }
+    }
-
+
-    public static void queryPersonsInXML() {
+    public static void queryPersonsInXML() {
-
+
-        Query<Person> query = pm.newQuery(Person.class);
+        Query<Person> query = pm.newQuery(Person.class);
-        List<Person> result = query.executeList();
+        List<Person> result = query.executeList();
-        System.out.println("name: " + result.get(0).getFirstName());
+        System.out.println("name: " + result.get(0).getFirstName());
-    }
+    }
-
+
-    public static void queryAnnotatedPersonsInXML() {
+    public static void queryAnnotatedPersonsInXML() {
-
+
-        Query<AnnotadedPerson> query = pm.newQuery(AnnotadedPerson.class);
+        Query<AnnotadedPerson> query = pm.newQuery(AnnotadedPerson.class);
-        List<AnnotadedPerson> result = query.executeList();
+        List<AnnotadedPerson> result = query.executeList();
-        System.out.println("name: " + result.get(0).getFirstName());
+        System.out.println("name: " + result.get(0).getFirstName());
-    }
+    }
-}
+}

libraries-data/src/main/java/com/baeldung/jdo/xml/Person.java

@@ -1,58 +1,58 @@
-package com.baeldung.jdo.xml;
+package com.baeldung.jdo.xml;
-
+
-import java.util.ArrayList;
+import java.util.ArrayList;
-import java.util.List;
+import java.util.List;
-
+
-import javax.jdo.annotations.PersistenceCapable;
+import javax.jdo.annotations.PersistenceCapable;
-import javax.jdo.annotations.PrimaryKey;
+import javax.jdo.annotations.PrimaryKey;
-
+
-@PersistenceCapable
+@PersistenceCapable
-public class Person {
+public class Person {
-    private long personNum;
+    private long personNum;
-
+
-    @PrimaryKey
+    @PrimaryKey
-    private String firstName;
+    private String firstName;
-    private String lastName;
+    private String lastName;
-
+
-    private List phoneNumbers = new ArrayList();
+    private List phoneNumbers = new ArrayList();
-
+
-    public Person(long personNum, String firstName, String lastName) {
+    public Person(long personNum, String firstName, String lastName) {
-        super();
+        super();
-        this.personNum = personNum;
+        this.personNum = personNum;
-        this.firstName = firstName;
+        this.firstName = firstName;
-        this.lastName = lastName;
+        this.lastName = lastName;
-    }
+    }
-
+
-    public long getPersonNum() {
+    public long getPersonNum() {
-        return personNum;
+        return personNum;
-    }
+    }
-
+
-    public void setPersonNum(long personNum) {
+    public void setPersonNum(long personNum) {
-        this.personNum = personNum;
+        this.personNum = personNum;
-    }
+    }
-
+
-    public String getFirstName() {
+    public String getFirstName() {
-        return firstName;
+        return firstName;
-    }
+    }
-
+
-    public void setFirstName(String firstName) {
+    public void setFirstName(String firstName) {
-        this.firstName = firstName;
+        this.firstName = firstName;
-    }
+    }
-
+
-    public String getLastName() {
+    public String getLastName() {
-        return lastName;
+        return lastName;
-    }
+    }
-
+
-    public void setLastName(String lastName) {
+    public void setLastName(String lastName) {
-        this.lastName = lastName;
+        this.lastName = lastName;
-    }
+    }
-
+
-    public List getPhoneNumbers() {
+    public List getPhoneNumbers() {
-        return phoneNumbers;
+        return phoneNumbers;
-    }
+    }
-
+
-    public void setPhoneNumbers(List phoneNumbers) {
+    public void setPhoneNumbers(List phoneNumbers) {
-        this.phoneNumbers = phoneNumbers;
+        this.phoneNumbers = phoneNumbers;
-    }
+    }
-
+
-}
+}

libraries-data/src/main/java/com/baeldung/jdo/xml/Product.java

@@ -1,58 +1,58 @@
-package com.baeldung.jdo.xml;
+package com.baeldung.jdo.xml;
-
+
-import javax.jdo.annotations.PersistenceCapable;
+import javax.jdo.annotations.PersistenceCapable;
-import javax.jdo.annotations.PrimaryKey;
+import javax.jdo.annotations.PrimaryKey;
-
+
-@PersistenceCapable
+@PersistenceCapable
-public class Product {
+public class Product {
-
+
-    @PrimaryKey
+    @PrimaryKey
-    String id;
+    String id;
-    String name;
+    String name;
-    String description;
+    String description;
-    double price;
+    double price;
-
+
-    public Product() {
+    public Product() {
-
+
-    }
+    }
-
+
-    public Product(String id, String name, String description, double price) {
+    public Product(String id, String name, String description, double price) {
-        this.id = id;
+        this.id = id;
-        this.name = name;
+        this.name = name;
-        this.description = description;
+        this.description = description;
-        this.price = price;
+        this.price = price;
-    }
+    }
-
+
-    public String getId() {
+    public String getId() {
-        return id;
+        return id;
-    }
+    }
-
+
-    public void setId(String id) {
+    public void setId(String id) {
-        this.id = id;
+        this.id = id;
-    }
+    }
-
+
-    public String getName() {
+    public String getName() {
-        return name;
+        return name;
-    }
+    }
-
+
-    public void setName(String name) {
+    public void setName(String name) {
-        this.name = name;
+        this.name = name;
-    }
+    }
-
+
-    public String getDescription() {
+    public String getDescription() {
-        return description;
+        return description;
-    }
+    }
-
+
-    public void setDescription(String description) {
+    public void setDescription(String description) {
-        this.description = description;
+        this.description = description;
-    }
+    }
-
+
-    public double getPrice() {
+    public double getPrice() {
-        return price;
+        return price;
-    }
+    }
-
+
-    public void setPrice(double price) {
+    public void setPrice(double price) {
-        this.price = price;
+        this.price = price;
-    }
+    }
-
+
-}
+}

libraries-data/src/main/resources/META-INF/datanucleus.properties

@@ -0,0 +1,4 @@
+javax.jdo.PersistenceManagerFactoryClass=org.datanucleus.api.jdo.JDOPersistenceManagerFactory
+javax.jdo.option.ConnectionURL= xml:file:myfile-ds.xml
+datanucleus.xml.indentSize=6
+datanucleus.schema.autoCreateAll=true

libraries-data/src/main/resources/META-INF/jdoconfig.xml

@@ -1,17 +1,17 @@
-<?xml version="1.0" encoding="UTF-8"?>
+<?xml version="1.0" encoding="UTF-8"?>
-<jdoconfig xmlns="http://xmlns.jcp.org/xml/ns/jdo/jdoconfig"
+<jdoconfig xmlns="http://xmlns.jcp.org/xml/ns/jdo/jdoconfig"
-    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/jdo/jdoconfig
+    xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/jdo/jdoconfig
-        http://xmlns.jcp.org/xml/ns/jdo/jdoconfig_3_2.xsd"
+        http://xmlns.jcp.org/xml/ns/jdo/jdoconfig_3_2.xsd"
-    version="3.2">
+    version="3.2">
-
+
-    <!-- Datastore Txn PMF -->
+    <!-- Datastore Txn PMF -->
-    <persistence-manager-factory name="XmlDatastore">
+    <persistence-manager-factory name="XmlDatastore">
-        <property name="javax.jdo.PersistenceManagerFactoryClass"
+        <property name="javax.jdo.PersistenceManagerFactoryClass"
-            value="org.datanucleus.api.jdo.JDOPersistenceManagerFactory" />
+            value="org.datanucleus.api.jdo.JDOPersistenceManagerFactory" />
-        <property name="javax.jdo.option.ConnectionURL" value="xml:file:namedPMF-ds.xml" />
+        <property name="javax.jdo.option.ConnectionURL" value="xml:file:namedPMF-ds.xml" />
-        <property name="datanucleus.xml.indentSize" value="6" />
+        <property name="datanucleus.xml.indentSize" value="6" />
-        <property name="datanucleus.schema.autoCreateAll"
+        <property name="datanucleus.schema.autoCreateAll"
-            value="true" />
+            value="true" />
-    </persistence-manager-factory>
+    </persistence-manager-factory>
 </jdoconfig>

libraries-data/src/main/resources/META-INF/package.jdo

@@ -1,29 +1,29 @@
-<jdo xmlns="http://xmlns.jcp.org/xml/ns/jdo/jdo" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+<jdo xmlns="http://xmlns.jcp.org/xml/ns/jdo/jdo" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/jdo/jdo http://xmlns.jcp.org/xml/ns/jdo/jdo_3_1.xsd"
+    xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/jdo/jdo http://xmlns.jcp.org/xml/ns/jdo/jdo_3_1.xsd"
-    version="3.1">
+    version="3.1">
-    <package name="com.baeldung.jdo.xml">
+    <package name="com.baeldung.jdo.xml">
-        <class name="Person" detachable="true" schema="/myproduct/people"
+        <class name="Person" detachable="true" schema="/myproduct/people"
-            table="person">
+            table="person">
-            <field name="personNum">
+            <field name="personNum">
-                <extension vendor-name="datanucleus" key="XmlAttribute"
+                <extension vendor-name="datanucleus" key="XmlAttribute"
-                    value="true" />
+                    value="true" />
-            </field>
+            </field>
-            <field name="firstName" primary-key="true" /> <!-- PK since JAXB requires String -->
+            <field name="firstName" primary-key="true" /> <!-- PK since JAXB requires String -->
-            <field name="lastName" />
+            <field name="lastName" />
-            <field name="phoneNumbers">
+            <field name="phoneNumbers">
-                <collection element-type="java.lang.String" />
+                <collection element-type="java.lang.String" />
-                <element column="phoneNumber" />
+                <element column="phoneNumber" />
-            </field>
+            </field>
-        </class>
+        </class>
-    </package>
+    </package>
-    <package name="com.baeldung.jdo.query">
+    <package name="com.baeldung.jdo.query">
-        <class name="ProductItem" detachable="true" table="product_item">
+        <class name="ProductItem" detachable="true" table="product_item">
- 
+ 
-            <query name="PriceBelow10" language="javax.jdo.query.SQL">
+            <query name="PriceBelow10" language="javax.jdo.query.SQL">
-            <![CDATA[SELECT * FROM PRODUCT_ITEM WHERE PRICE < 10
+            <![CDATA[SELECT * FROM PRODUCT_ITEM WHERE PRICE < 10
-            ]]></query>
+            ]]></query>
- 
+ 
-        </class>
+        </class>
-    </package>
+    </package>
-
+
 </jdo>

libraries/README.md

@@ -17,9 +17,7 @@
 - [Introduction to Quartz](http://www.baeldung.com/quartz)
 - [How to Warm Up the JVM](http://www.baeldung.com/java-jvm-warmup)
 - [Apache Commons Collections SetUtils](http://www.baeldung.com/apache-commons-setutils)
-- [Guide to Java Data Objects](http://www.baeldung.com/jdo)
 - [Software Transactional Memory in Java Using Multiverse](http://www.baeldung.com/java-multiverse-stm)
-- [Introduction to HikariCP](http://www.baeldung.com/hikaricp)
 - [Serenity BDD with Spring and JBehave](http://www.baeldung.com/serenity-spring-jbehave)
 - [Locality-Sensitive Hashing in Java Using Java-LSH](http://www.baeldung.com/locality-sensitive-hashing)
 - [Apache Commons Collections OrderedMap](http://www.baeldung.com/apache-commons-ordered-map)
@@ -47,7 +45,6 @@
 - [Guide to JDeferred](http://www.baeldung.com/jdeferred)
 - [Integrating Retrofit with RxJava](http://www.baeldung.com/retrofit-rxjava)
 - [Introduction to MBassador](http://www.baeldung.com/mbassador)
-- [Introduction to JCache](http://www.baeldung.com/jcache)
 - [Introduction to Retrofit](http://www.baeldung.com/retrofit)
 - [Using Pairs in Java](http://www.baeldung.com/java-pairs)
 - [Apache Commons Collections Bag](http://www.baeldung.com/apache-commons-bag)
@@ -56,7 +53,6 @@
 - [Introduction To Docx4J](http://www.baeldung.com/docx4j)
 - [Introduction to StreamEx](http://www.baeldung.com/streamex)
 - [Introduction to BouncyCastle with Java](http://www.baeldung.com/java-bouncy-castle)
-- [Intro to JDO Queries 2/2](http://www.baeldung.com/jdo-queries)
 - [Guide to google-http-client](http://www.baeldung.com/google-http-client)
 - [Interact with Google Sheets from Java](http://www.baeldung.com/google-sheets-java-client)
 - [Programatically Create, Configure, and Run a Tomcat Server] (http://www.baeldung.com/tomcat-programmatic-setup)