further persistence work

spring-exceptions/src/main/java/org/baeldung/persistence/dao/IFooDao.java

@@ -0,0 +1,8 @@
+package org.baeldung.persistence.dao;
+
+import org.baeldung.persistence.common.IOperations;
+import org.baeldung.persistence.model.Foo;
+
+public interface IFooDao extends IOperations<Foo> {
+    //
+}

spring-exceptions/src/main/java/org/baeldung/persistence/dao/impl/FooDao.java

@@ -0,0 +1,24 @@
+package org.baeldung.persistence.dao.impl;
+
+import org.baeldung.persistence.common.AbstractHibernateDao;
+import org.baeldung.persistence.dao.IFooDao;
+import org.baeldung.persistence.model.Foo;
+import org.hibernate.SessionFactory;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Repository;
+
+@Repository
+public class FooDao extends AbstractHibernateDao<Foo> implements IFooDao {
+
+    @Autowired
+    private SessionFactory sessionFactory;
+
+    public FooDao() {
+        super();
+
+        setClazz(Foo.class);
+    }
+
+    // API
+
+}

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

@@ -0,0 +1,83 @@
+package org.baeldung.persistence.model;
+
+import java.io.Serializable;
+
+import javax.persistence.Column;
+import javax.persistence.Entity;
+import javax.persistence.GeneratedValue;
+import javax.persistence.GenerationType;
+import javax.persistence.Id;
+
+@Entity
+public class Foo implements Serializable {
+
+    @Id
+    @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() {
+        return id;
+    }
+
+    public void setId(final long 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 + ((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/persistence/service/IFooService.java

@@ -0,0 +1,8 @@
+package org.baeldung.persistence.service;
+
+import org.baeldung.persistence.common.IOperations;
+import org.baeldung.persistence.model.Foo;
+
+public interface IFooService extends IOperations<Foo> {
+    //
+}

spring-exceptions/src/main/java/org/baeldung/persistence/service/impl/FooService.java

@@ -0,0 +1,28 @@
+package org.baeldung.persistence.service.impl;
+
+import org.baeldung.persistence.common.AbstractService;
+import org.baeldung.persistence.common.IOperations;
+import org.baeldung.persistence.dao.IFooDao;
+import org.baeldung.persistence.model.Foo;
+import org.baeldung.persistence.service.IFooService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+
+@Service
+public class FooService extends AbstractService<Foo> implements IFooService {
+
+    @Autowired
+    private IFooDao dao;
+
+    public FooService() {
+        super();
+    }
+
+    // API
+
+    @Override
+    protected IOperations<Foo> getDao() {
+        return dao;
+    }
+
+}

spring-exceptions/src/test/java/org/baeldung/ex/dataIntegrityviolationexception/Cause1DataIntegrityViolationExceptionIntegrationTest.java

@@ -1,8 +1,14 @@
 package org.baeldung.ex.dataIntegrityviolationexception;
 
 import org.baeldung.ex.dataIntegrityviolationexception.spring.Cause1DataContextWithJavaConfig;
+import org.baeldung.persistence.model.Child;
+import org.baeldung.persistence.model.Parent;
+import org.baeldung.persistence.service.IChildService;
+import org.baeldung.persistence.service.IParentService;
 import org.junit.Test;
 import org.junit.runner.RunWith;
+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.test.context.support.AnnotationConfigContextLoader;
@@ -11,9 +17,23 @@ import org.springframework.test.context.support.AnnotationConfigContextLoader;
 @ContextConfiguration(classes = { Cause1DataContextWithJavaConfig.class }, loader = AnnotationConfigContextLoader.class)
 public class Cause1DataIntegrityViolationExceptionIntegrationTest {
 
-    @Test
+    @Autowired
-    public final void givenContextIsInitialized_thenNoException() {
+    private IParentService service;
-        //
+
+    @Autowired
+    private IChildService childService;
+
+    // tests
+
+    @Test(expected = DataIntegrityViolationException.class)
+    public void whenChildIsDeletedWhileParentStillHasForeignKeyToIt_thenDataException() {
+        final Child childEntity = new Child();
+        childService.create(childEntity);
+
+        final Parent parentEntity = new Parent(childEntity);
+        service.create(parentEntity);
+
+        childService.delete(childEntity);
     }
 
 }

spring-exceptions/src/test/java/org/baeldung/ex/nosuchbeandefinitionexception/Cause1NoSuchBeanDefinitionExceptionIntegrationTest.java

@@ -17,23 +17,9 @@ import org.springframework.test.context.support.AnnotationConfigContextLoader;
 @ContextConfiguration(classes = { Cause1ContextWithJavaConfig.class }, loader = AnnotationConfigContextLoader.class)
 public class Cause1NoSuchBeanDefinitionExceptionIntegrationTest {
 
-    @Autowired
+    @Test
-    private IParentService service;
+    public final void givenContextIsInitialized_thenNoException() {
-
+        //
-    @Autowired
-    private IChildService childService;
-
-    // tests
-
-    @Test(expected = DataIntegrityViolationException.class)
-    public void whenChildIsDeletedWhileParentStillHasForeignKeyToIt_thenDataException() {
-        final Child childEntity = new Child();
-        childService.create(childEntity);
-
-        final Parent parentEntity = new Parent(childEntity);
-        service.create(parentEntity);
-
-        childService.delete(childEntity);
     }
 
 }