general example cleanup

spring-exceptions/src/main/java/org/baeldung/ex/mappingexception/cause1/persistence/model/Foo.java

@@ -2,7 +2,6 @@ package org.baeldung.ex.mappingexception.cause1.persistence.model;
 
 import java.io.Serializable;
 
-import javax.persistence.Column;
 import javax.persistence.GeneratedValue;
 import javax.persistence.GenerationType;
 import javax.persistence.Id;
@@ -13,19 +12,10 @@ public class Foo implements Serializable {
     @GeneratedValue(strategy = GenerationType.AUTO)
     private long id;
 
-    @Column(nullable = false)
-    private String name;
-
     public Foo() {
         super();
     }
 
-    public Foo(final String name) {
-        super();
-
-        this.name = name;
-    }
-
     // API
 
     public long getId() {
@@ -36,46 +26,4 @@ public class Foo implements Serializable {
         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 + ((name == null) ? 0 : name.hashCode());
-        return result;
-    }
-
-    @Override
-    public boolean equals(final Object obj) {
-        if (this == obj)
-            return true;
-        if (obj == null)
-            return false;
-        if (getClass() != obj.getClass())
-            return false;
-        final Foo other = (Foo) obj;
-        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("Foo [name=").append(name).append("]");
-        return builder.toString();
-    }
-
 }

spring-exceptions/src/main/java/org/baeldung/ex/mappingexception/cause2/persistence/model/Foo.java

@@ -2,7 +2,6 @@ package org.baeldung.ex.mappingexception.cause2.persistence.model;
 
 import java.io.Serializable;
 
-import javax.persistence.Column;
 import javax.persistence.Entity;
 import javax.persistence.GeneratedValue;
 import javax.persistence.GenerationType;
@@ -15,19 +14,10 @@ public class Foo implements Serializable {
     @GeneratedValue(strategy = GenerationType.AUTO)
     private long id;
 
-    @Column(nullable = false)
-    private String name;
-
     public Foo() {
         super();
     }
 
-    public Foo(final String name) {
-        super();
-
-        this.name = name;
-    }
-
     // API
 
     public long getId() {
@@ -38,46 +28,4 @@ public class Foo implements Serializable {
         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 + ((name == null) ? 0 : name.hashCode());
-        return result;
-    }
-
-    @Override
-    public boolean equals(final Object obj) {
-        if (this == obj)
-            return true;
-        if (obj == null)
-            return false;
-        if (getClass() != obj.getClass())
-            return false;
-        final Foo other = (Foo) obj;
-        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("Foo [name=").append(name).append("]");
-        return builder.toString();
-    }
-
 }

spring-exceptions/src/test/java/org/baeldung/ex/mappingexception/Cause1MappingExceptionIntegrationTest.java

@@ -1,9 +1,8 @@
 package org.baeldung.ex.mappingexception;
 
-import static org.apache.commons.lang3.RandomStringUtils.randomAlphabetic;
-
 import org.baeldung.ex.mappingexception.cause1.persistence.model.Foo;
 import org.baeldung.ex.mappingexception.spring.Cause1PersistenceConfig;
+import org.hibernate.MappingException;
 import org.hibernate.SessionFactory;
 import org.junit.Test;
 import org.junit.runner.RunWith;
@@ -22,10 +21,10 @@ public class Cause1MappingExceptionIntegrationTest {
 
     // tests
 
-    @Test
+    @Test(expected = MappingException.class)
     @Transactional
     public final void givenEntityIsPersisted_thenException() {
-        sessionFactory.getCurrentSession().saveOrUpdate(new Foo(randomAlphabetic(6)));
+        sessionFactory.getCurrentSession().saveOrUpdate(new Foo());
     }
 
 }

spring-exceptions/src/test/java/org/baeldung/ex/mappingexception/Cause2MappingExceptionIntegrationTest.java

@@ -1,9 +1,8 @@
 package org.baeldung.ex.mappingexception;
 
-import static org.apache.commons.lang3.RandomStringUtils.randomAlphabetic;
-
 import org.baeldung.ex.mappingexception.cause2.persistence.model.Foo;
 import org.baeldung.ex.mappingexception.spring.Cause2PersistenceConfig;
+import org.hibernate.MappingException;
 import org.hibernate.SessionFactory;
 import org.junit.Test;
 import org.junit.runner.RunWith;
@@ -22,10 +21,10 @@ public class Cause2MappingExceptionIntegrationTest {
 
     // tests
 
-    @Test
+    @Test(expected = MappingException.class)
     @Transactional
     public final void givenEntityIsPersisted_thenException() {
-        sessionFactory.getCurrentSession().saveOrUpdate(new Foo(randomAlphabetic(6)));
+        sessionFactory.getCurrentSession().saveOrUpdate(new Foo());
     }
 
 }