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

This commit is contained in:
eugenp 2013-08-11 17:14:48 +03:00
parent 6c3a03f929
commit f147b8b0e1
17 changed files with 411 additions and 3 deletions
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23
spring-exceptions/src/main/java/org/baeldung/ex/dataIntegrityviolationexception/spring/Cause1DataContextWithJavaConfig.java Normal file
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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();
}
}

16
spring-exceptions/src/main/java/org/baeldung/ex/dataIntegrityviolationexception/spring/Cause2DataContextWithJavaConfig.java Normal file
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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
}

16
spring-exceptions/src/main/java/org/baeldung/ex/dataIntegrityviolationexception/spring/Cause3DataContextWithJavaConfig.java Normal file
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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
}

19
spring-exceptions/src/test/java/org/baeldung/ex/dataIntegrityviolationexception/Cause1DataIntegrityViolationExceptionIntegrationTest.java Normal file
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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() {
//
}
}

19
spring-exceptions/src/test/java/org/baeldung/ex/dataIntegrityviolationexception/Cause2DataIntegrityViolationExceptionIntegrationTest.java Normal file
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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() {
//
}
}

19
spring-exceptions/src/test/java/org/baeldung/ex/dataIntegrityviolationexception/Cause3DataIntegrityViolationExceptionIntegrationTest.java Normal file
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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() {
//
}
}

26
spring-exceptions/src/test/java/org/baeldung/ex/nosuchbeandefinitionexception/Cause1NoSuchBeanDefinitionExceptionIntegrationTest.java
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@ -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 @@ import org.springframework.test.context.support.AnnotationConfigContextLoader;
@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);
}
}

8
spring-exceptions/src/test/java/org/baeldung/persistence/dao/IChildDao.java Normal file
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package org.baeldung.persistence.dao;
import org.baeldung.persistence.dao.common.IOperations;
import org.baeldung.persistence.model.Child;
public interface IChildDao extends IOperations<Child> {
//
}

8
spring-exceptions/src/test/java/org/baeldung/persistence/dao/IParentDao.java Normal file
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package org.baeldung.persistence.dao;
import org.baeldung.persistence.dao.common.IOperations;
import org.baeldung.persistence.model.Parent;
public interface IParentDao extends IOperations<Parent> {
//
}

65
spring-exceptions/src/test/java/org/baeldung/persistence/dao/common/AbstractHibernateDao.java Normal file
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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();
}
}

20
spring-exceptions/src/test/java/org/baeldung/persistence/dao/common/IOperations.java Normal file
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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);
}

24
spring-exceptions/src/test/java/org/baeldung/persistence/dao/impl/ChildDao.java Normal file
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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
}

24
spring-exceptions/src/test/java/org/baeldung/persistence/dao/impl/ParentDao.java Normal file
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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
}

51
spring-exceptions/src/test/java/org/baeldung/persistence/model/Child.java Normal file
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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();
}
}

60
spring-exceptions/src/test/java/org/baeldung/persistence/model/Parent.java Normal file
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package org.baeldung.persistence.model;
import java.io.Serializable;
import javax.persistence.CascadeType;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.Id;
import javax.persistence.JoinColumn;
import javax.persistence.OneToOne;
@Entity
public class Parent implements Serializable {
@Id
@GeneratedValue
private long id;
@OneToOne(cascade = { CascadeType.PERSIST, CascadeType.MERGE, CascadeType.REFRESH, CascadeType.DETACH })
@JoinColumn(name = "child_fk")
private Child child;
public Parent() {
super();
}
public Parent(final Child child) {
super();
this.child = child;
}
// API
public long getId() {
return id;
}
public void setId(final long id) {
this.id = id;
}
public Child getChild() {
return child;
}
public void setChild(final Child child) {
this.child = child;
}
//
@Override
public String toString() {
final StringBuilder builder = new StringBuilder();
builder.append("Parent [id=").append(id).append("]");
return builder.toString();
}
}

8
spring-exceptions/src/test/java/org/baeldung/persistence/service/IChildService.java Normal file
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package org.baeldung.persistence.service;
import org.baeldung.persistence.dao.common.IOperations;
import org.baeldung.persistence.model.Child;
public interface IChildService extends IOperations<Child> {
//
}

8
spring-exceptions/src/test/java/org/baeldung/persistence/service/IParentService.java Normal file
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@ -0,0 +1,8 @@
package org.baeldung.persistence.service;
import org.baeldung.persistence.dao.common.IOperations;
import org.baeldung.persistence.model.Parent;
public interface IParentService extends IOperations<Parent> {
//
}