persistence work

Author: eugenp

spring-exceptions/src/main/java/org/baeldung/ex/mappingexception/cause2/persistence/dao/FooDao.java

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+package org.baeldung.ex.mappingexception.cause2.persistence.dao;
+
+import org.baeldung.ex.mappingexception.cause2.persistence.model.Foo;
+import org.baeldung.persistence.common.AbstractHibernateDao;
+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/ex/mappingexception/cause2/persistence/dao/IFooDao.java

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+package org.baeldung.ex.mappingexception.cause2.persistence.dao;
+
+import org.baeldung.ex.mappingexception.cause2.persistence.model.Foo;
+import org.baeldung.persistence.common.IOperations;
+
+public interface IFooDao extends IOperations<Foo> {
+    //
+}

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

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+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;
+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/ex/mappingexception/cause2/persistence/service/FooService.java

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+package org.baeldung.ex.mappingexception.cause2.persistence.service;
+
+import org.baeldung.ex.mappingexception.cause2.persistence.dao.IFooDao;
+import org.baeldung.ex.mappingexception.cause2.persistence.model.Foo;
+import org.baeldung.persistence.common.AbstractService;
+import org.baeldung.persistence.common.IOperations;
+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/main/java/org/baeldung/ex/mappingexception/cause2/persistence/service/IFooService.java

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+package org.baeldung.ex.mappingexception.cause2.persistence.service;
+
+import org.baeldung.ex.mappingexception.cause2.persistence.model.Foo;
+import org.baeldung.persistence.common.IOperations;
+
+public interface IFooService extends IOperations<Foo> {
+    //
+}

spring-exceptions/src/main/java/org/baeldung/ex/mappingexception/spring/Cause2PersistenceConfig.java

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+package org.baeldung.ex.mappingexception.spring;
+
+import java.util.Properties;
+
+import javax.sql.DataSource;
+
+import org.apache.tomcat.dbcp.dbcp.BasicDataSource;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.ComponentScan;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.context.annotation.PropertySource;
+import org.springframework.core.env.Environment;
+import org.springframework.dao.annotation.PersistenceExceptionTranslationPostProcessor;
+import org.springframework.orm.hibernate4.HibernateTransactionManager;
+import org.springframework.orm.hibernate4.LocalSessionFactoryBean;
+import org.springframework.transaction.annotation.EnableTransactionManagement;
+
+import com.google.common.base.Preconditions;
+
+@Configuration
+@EnableTransactionManagement
+@PropertySource({ "classpath:persistence-mysql.properties" })
+@ComponentScan({ "org.baeldung.ex.mappingexception.cause2.persistence" })
+public class Cause2PersistenceConfig {
+
+    @Autowired
+    private Environment env;
+
+    public Cause2PersistenceConfig() {
+        super();
+    }
+
+    @Bean
+    public LocalSessionFactoryBean sessionFactory() {
+        final LocalSessionFactoryBean sessionFactory = new LocalSessionFactoryBean();
+        sessionFactory.setDataSource(restDataSource());
+        sessionFactory.setPackagesToScan(new String[] { "org.baeldung.ex.mappingexception.cause2.persistence.model2" });
+        sessionFactory.setHibernateProperties(hibernateProperties());
+
+        return sessionFactory;
+    }
+
+    @Bean
+    public DataSource restDataSource() {
+        final BasicDataSource dataSource = new BasicDataSource();
+        dataSource.setDriverClassName(Preconditions.checkNotNull(env.getProperty("jdbc.driverClassName")));
+        dataSource.setUrl(Preconditions.checkNotNull(env.getProperty("jdbc.url")));
+        dataSource.setUsername(Preconditions.checkNotNull(env.getProperty("jdbc.user")));
+        dataSource.setPassword(Preconditions.checkNotNull(env.getProperty("jdbc.pass")));
+
+        return dataSource;
+    }
+
+    @Bean
+    public HibernateTransactionManager transactionManager() {
+        final HibernateTransactionManager txManager = new HibernateTransactionManager();
+        txManager.setSessionFactory(sessionFactory().getObject());
+
+        return txManager;
+    }
+
+    @Bean
+    public PersistenceExceptionTranslationPostProcessor exceptionTranslation() {
+        return new PersistenceExceptionTranslationPostProcessor();
+    }
+
+    final Properties hibernateProperties() {
+        return new Properties() {
+            {
+                setProperty("hibernate.hbm2ddl.auto", env.getProperty("hibernate.hbm2ddl.auto"));
+                setProperty("hibernate.dialect", env.getProperty("hibernate.dialect"));
+
+                // setProperty("hibernate.globally_quoted_identifiers", "true");
+                // note: necessary in launchpad-storage, but causing problems here
+            }
+        };
+    }
+}

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

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+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.cause2.persistence.service.IFooService;
+import org.baeldung.ex.mappingexception.spring.Cause2PersistenceConfig;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.beans.factory.annotation.Autowired;
+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 = { Cause2PersistenceConfig.class }, loader = AnnotationConfigContextLoader.class)
+public class Cause2MappingExceptionIntegrationTest {
+
+    @Autowired
+    private IFooService fooApi;
+
+    // tests
+
+    @Test
+    public final void givenEntityIsPersisted_thenException() {
+        fooApi.create(new Foo(randomAlphabetic(6)));
+    }
+
+}