initial persistence work for the exception project - to reproduce data exceptions

eugenp · eugenp · commit f147b8b0e1c3 · 2013-08-11T17:14:48.000+03:00
diff --git a/spring-exceptions/src/main/java/org/baeldung/ex/dataIntegrityviolationexception/spring/Cause1DataContextWithJavaConfig.java b/spring-exceptions/src/main/java/org/baeldung/ex/dataIntegrityviolationexception/spring/Cause1DataContextWithJavaConfig.java
@@ -0,0 +1,23 @@
+package org.baeldung.ex.dataIntegrityviolationexception.spring;
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.ComponentScan;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.dao.annotation.PersistenceExceptionTranslationPostProcessor;
+
+@Configuration
+@ComponentScan("org.baeldung.ex.dataIntegrityviolationexception.cause1")
+public class Cause1DataContextWithJavaConfig {
+
+    public Cause1DataContextWithJavaConfig() {
+        super();
+    }
+
+    // beans
+
+    @Bean
+    public PersistenceExceptionTranslationPostProcessor exceptionTranslation() {
+        return new PersistenceExceptionTranslationPostProcessor();
+    }
+
+}
diff --git a/spring-exceptions/src/main/java/org/baeldung/ex/dataIntegrityviolationexception/spring/Cause2DataContextWithJavaConfig.java b/spring-exceptions/src/main/java/org/baeldung/ex/dataIntegrityviolationexception/spring/Cause2DataContextWithJavaConfig.java
@@ -0,0 +1,16 @@
+package org.baeldung.ex.dataIntegrityviolationexception.spring;
+
+import org.springframework.context.annotation.ComponentScan;
+import org.springframework.context.annotation.Configuration;
+
+@Configuration
+@ComponentScan("org.baeldung.ex.dataIntegrityviolationexception.cause2")
+public class Cause2DataContextWithJavaConfig {
+
+    public Cause2DataContextWithJavaConfig() {
+        super();
+    }
+
+    // beans
+
+}
diff --git a/spring-exceptions/src/main/java/org/baeldung/ex/dataIntegrityviolationexception/spring/Cause3DataContextWithJavaConfig.java b/spring-exceptions/src/main/java/org/baeldung/ex/dataIntegrityviolationexception/spring/Cause3DataContextWithJavaConfig.java
@@ -0,0 +1,16 @@
+package org.baeldung.ex.dataIntegrityviolationexception.spring;
+
+import org.springframework.context.annotation.ComponentScan;
+import org.springframework.context.annotation.Configuration;
+
+@Configuration
+@ComponentScan("org.baeldung.ex.dataIntegrityviolationexception.cause3")
+public class Cause3DataContextWithJavaConfig {
+
+    public Cause3DataContextWithJavaConfig() {
+        super();
+    }
+
+    // beans
+
+}
diff --git a/spring-exceptions/src/test/java/org/baeldung/ex/dataIntegrityviolationexception/Cause1DataIntegrityViolationExceptionIntegrationTest.java b/spring-exceptions/src/test/java/org/baeldung/ex/dataIntegrityviolationexception/Cause1DataIntegrityViolationExceptionIntegrationTest.java
@@ -0,0 +1,19 @@
+package org.baeldung.ex.dataIntegrityviolationexception;
+
+import org.baeldung.ex.dataIntegrityviolationexception.spring.Cause1DataContextWithJavaConfig;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.test.context.ContextConfiguration;
+import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
+import org.springframework.test.context.support.AnnotationConfigContextLoader;
+
+@RunWith(SpringJUnit4ClassRunner.class)
+@ContextConfiguration(classes = { Cause1DataContextWithJavaConfig.class }, loader = AnnotationConfigContextLoader.class)
+public class Cause1DataIntegrityViolationExceptionIntegrationTest {
+
+    @Test
+    public final void givenContextIsInitialized_thenNoException() {
+        //
+    }
+
+}
diff --git a/spring-exceptions/src/test/java/org/baeldung/ex/dataIntegrityviolationexception/Cause2DataIntegrityViolationExceptionIntegrationTest.java b/spring-exceptions/src/test/java/org/baeldung/ex/dataIntegrityviolationexception/Cause2DataIntegrityViolationExceptionIntegrationTest.java
@@ -0,0 +1,19 @@
+package org.baeldung.ex.dataIntegrityviolationexception;
+
+import org.baeldung.ex.dataIntegrityviolationexception.spring.Cause2DataContextWithJavaConfig;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.test.context.ContextConfiguration;
+import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
+import org.springframework.test.context.support.AnnotationConfigContextLoader;
+
+@RunWith(SpringJUnit4ClassRunner.class)
+@ContextConfiguration(classes = { Cause2DataContextWithJavaConfig.class }, loader = AnnotationConfigContextLoader.class)
+public class Cause2DataIntegrityViolationExceptionIntegrationTest {
+
+    @Test
+    public final void givenContextIsInitialized_thenNoException() {
+        //
+    }
+
+}
diff --git a/spring-exceptions/src/test/java/org/baeldung/ex/dataIntegrityviolationexception/Cause3DataIntegrityViolationExceptionIntegrationTest.java b/spring-exceptions/src/test/java/org/baeldung/ex/dataIntegrityviolationexception/Cause3DataIntegrityViolationExceptionIntegrationTest.java
@@ -0,0 +1,19 @@
+package org.baeldung.ex.dataIntegrityviolationexception;
+
+import org.baeldung.ex.dataIntegrityviolationexception.spring.Cause3DataContextWithJavaConfig;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.test.context.ContextConfiguration;
+import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
+import org.springframework.test.context.support.AnnotationConfigContextLoader;
+
+@RunWith(SpringJUnit4ClassRunner.class)
+@ContextConfiguration(classes = { Cause3DataContextWithJavaConfig.class }, loader = AnnotationConfigContextLoader.class)
+public class Cause3DataIntegrityViolationExceptionIntegrationTest {
+
+    @Test
+    public final void givenContextIsInitialized_thenNoException() {
+        //
+    }
+
+}
diff --git a/spring-exceptions/src/test/java/org/baeldung/ex/nosuchbeandefinitionexception/Cause1NoSuchBeanDefinitionExceptionIntegrationTest.java b/spring-exceptions/src/test/java/org/baeldung/ex/nosuchbeandefinitionexception/Cause1NoSuchBeanDefinitionExceptionIntegrationTest.java
@@ -1,8 +1,14 @@
 package org.baeldung.ex.nosuchbeandefinitionexception;
 
 import org.baeldung.ex.nosuchbeandefinitionexception.spring.Cause1ContextWithJavaConfig;
+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 @@
 @ContextConfiguration(classes = { Cause1ContextWithJavaConfig.class }, loader = AnnotationConfigContextLoader.class)
 public class Cause1NoSuchBeanDefinitionExceptionIntegrationTest {
 
-    @Test
-    public final void givenContextIsInitialized_thenNoException() {
-        //
+    @Autowired
+    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);
     }
 
 }
diff --git a/spring-exceptions/src/test/java/org/baeldung/persistence/dao/IChildDao.java b/spring-exceptions/src/test/java/org/baeldung/persistence/dao/IChildDao.java
@@ -0,0 +1,8 @@
+package org.baeldung.persistence.dao;
+
+import org.baeldung.persistence.dao.common.IOperations;
+import org.baeldung.persistence.model.Child;
+
+public interface IChildDao extends IOperations<Child> {
+    //
+}
diff --git a/spring-exceptions/src/test/java/org/baeldung/persistence/dao/IParentDao.java b/spring-exceptions/src/test/java/org/baeldung/persistence/dao/IParentDao.java
@@ -0,0 +1,8 @@
+package org.baeldung.persistence.dao;
+
+import org.baeldung.persistence.dao.common.IOperations;
+import org.baeldung.persistence.model.Parent;
+
+public interface IParentDao extends IOperations<Parent> {
+    //
+}
diff --git a/spring-exceptions/src/test/java/org/baeldung/persistence/dao/common/AbstractHibernateDao.java b/spring-exceptions/src/test/java/org/baeldung/persistence/dao/common/AbstractHibernateDao.java
@@ -0,0 +1,65 @@
+package org.baeldung.persistence.dao.common;
+
+import java.io.Serializable;
+import java.util.List;
+
+import org.hibernate.Session;
+import org.hibernate.SessionFactory;
+import org.springframework.beans.factory.annotation.Autowired;
+
+import com.google.common.base.Preconditions;
+
+@SuppressWarnings("unchecked")
+public abstract class AbstractHibernateDao<T extends Serializable> implements IOperations<T> {
+    private Class<T> clazz;
+
+    @Autowired
+    private SessionFactory sessionFactory;
+
+    // API
+
+    protected final void setClazz(final Class<T> clazzToSet) {
+        clazz = Preconditions.checkNotNull(clazzToSet);
+    }
+
+    @Override
+    public final T findOne(final long id) {
+        return (T) getCurrentSession().get(clazz, id);
+    }
+
+    @Override
+    public final List<T> findAll() {
+        return getCurrentSession().createQuery("from " + clazz.getName()).list();
+    }
+
+    @Override
+    public final void create(final T entity) {
+        Preconditions.checkNotNull(entity);
+        // getCurrentSession().persist(entity);
+        getCurrentSession().saveOrUpdate(entity);
+    }
+
+    @Override
+    public final T update(final T entity) {
+        Preconditions.checkNotNull(entity);
+        return (T) getCurrentSession().merge(entity);
+    }
+
+    @Override
+    public final void delete(final T entity) {
+        Preconditions.checkNotNull(entity);
+        getCurrentSession().delete(entity);
+    }
+
+    @Override
+    public final void deleteById(final long entityId) {
+        final T entity = findOne(entityId);
+        Preconditions.checkState(entity != null);
+        delete(entity);
+    }
+
+    protected final Session getCurrentSession() {
+        return sessionFactory.getCurrentSession();
+    }
+
+}
diff --git a/spring-exceptions/src/test/java/org/baeldung/persistence/dao/common/IOperations.java b/spring-exceptions/src/test/java/org/baeldung/persistence/dao/common/IOperations.java
@@ -0,0 +1,20 @@
+package org.baeldung.persistence.dao.common;
+
+import java.io.Serializable;
+import java.util.List;
+
+public interface IOperations<T extends Serializable> {
+
+    T findOne(final long id);
+
+    List<T> findAll();
+
+    void create(final T entity);
+
+    T update(final T entity);
+
+    void delete(final T entity);
+
+    void deleteById(final long entityId);
+
+}
diff --git a/spring-exceptions/src/test/java/org/baeldung/persistence/dao/impl/ChildDao.java b/spring-exceptions/src/test/java/org/baeldung/persistence/dao/impl/ChildDao.java
@@ -0,0 +1,24 @@
+package org.baeldung.persistence.dao.impl;
+
+import org.baeldung.persistence.dao.IChildDao;
+import org.baeldung.persistence.dao.common.AbstractHibernateDao;
+import org.baeldung.persistence.model.Child;
+import org.hibernate.SessionFactory;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Repository;
+
+@Repository
+public class ChildDao extends AbstractHibernateDao<Child> implements IChildDao {
+
+    @Autowired
+    private SessionFactory sessionFactory;
+
+    public ChildDao() {
+        super();
+
+        setClazz(Child.class);
+    }
+
+    // API
+
+}
diff --git a/spring-exceptions/src/test/java/org/baeldung/persistence/dao/impl/ParentDao.java b/spring-exceptions/src/test/java/org/baeldung/persistence/dao/impl/ParentDao.java
@@ -0,0 +1,24 @@
+package org.baeldung.persistence.dao.impl;
+
+import org.baeldung.persistence.dao.IParentDao;
+import org.baeldung.persistence.dao.common.AbstractHibernateDao;
+import org.baeldung.persistence.model.Parent;
+import org.hibernate.SessionFactory;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Repository;
+
+@Repository
+public class ParentDao extends AbstractHibernateDao<Parent> implements IParentDao {
+
+    @Autowired
+    private SessionFactory sessionFactory;
+
+    public ParentDao() {
+        super();
+
+        setClazz(Parent.class);
+    }
+
+    // API
+
+}
diff --git a/spring-exceptions/src/test/java/org/baeldung/persistence/model/Child.java b/spring-exceptions/src/test/java/org/baeldung/persistence/model/Child.java
@@ -0,0 +1,51 @@
+package org.baeldung.persistence.model;
+
+import java.io.Serializable;
+
+import javax.persistence.Entity;
+import javax.persistence.GeneratedValue;
+import javax.persistence.Id;
+import javax.persistence.OneToOne;
+
+@Entity
+public class Child implements Serializable {
+
+    @Id
+    @GeneratedValue
+    private long id;
+
+    @OneToOne(mappedBy = "child")
+    private Parent parent;
+
+    public Child() {
+        super();
+    }
+
+    // API
+
+    public long getId() {
+        return id;
+    }
+
+    public void setId(final long id) {
+        this.id = id;
+    }
+
+    public Parent getParent() {
+        return parent;
+    }
+
+    public void setParent(final Parent parent) {
+        this.parent = parent;
+    }
+
+    //
+
+    @Override
+    public String toString() {
+        final StringBuilder builder = new StringBuilder();
+        builder.append("Child [id=").append(id).append("]");
+        return builder.toString();
+    }
+
+}
diff --git a/spring-exceptions/src/test/java/org/baeldung/persistence/model/Parent.java b/spring-exceptions/src/test/java/org/baeldung/persistence/model/Parent.java
diff --git a/spring-exceptions/src/test/java/org/baeldung/persistence/service/IChildService.java b/spring-exceptions/src/test/java/org/baeldung/persistence/service/IChildService.java
diff --git a/spring-exceptions/src/test/java/org/baeldung/persistence/service/IParentService.java b/spring-exceptions/src/test/java/org/baeldung/persistence/service/IParentService.java
