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geowaringeowarin
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Added hibernate standalone example
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‎.gitignore

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.settings/
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.classpath
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.project
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target/

‎README.MD

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Hibernate examples
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==================
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Hibernate examples from my blog http://geowarin.wordpress.com/tag/hibernate

‎hibernate-jpa-standalone-dbunit/README.MD

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Simple JPA Hibernate Standalone with dbUnit tests
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=================================================
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This is a very simple project using hibernate as a standalone (no server required) JPA provider.
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Features simple tests with dbUnit.

‎hibernate-jpa-standalone-dbunit/pom.xml

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<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<groupId>com.geowarin</groupId>
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<artifactId>hibernate-jpa-standalone-dbunit</artifactId>
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<version>1.0-SNAPSHOT</version>
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<packaging>jar</packaging>
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<name>simple-hibernate-jpa-standalone</name>
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<url>http://maven.apache.org</url>
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<properties>
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<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
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<maven.compiler.source>1.6</maven.compiler.source>
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<maven.compiler.target>1.6</maven.compiler.target>
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<log4j.version>1.2.16</log4j.version>
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<slf4j.version>1.6.1</slf4j.version>
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</properties>
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<dependencies>
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<dependency>
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<groupId>org.hibernate</groupId>
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<artifactId>hibernate-entitymanager</artifactId>
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<version>4.1.5.Final</version>
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</dependency>
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<dependency>
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<groupId>org.hsqldb</groupId>
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<artifactId>hsqldb</artifactId>
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<version>2.2.9</version>
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</dependency>
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<dependency>
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<groupId>org.slf4j</groupId>
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<artifactId>slf4j-log4j12</artifactId>
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<version>1.7.2</version>
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</dependency>
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<dependency>
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<groupId>junit</groupId>
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<artifactId>junit</artifactId>
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<version>4.11</version>
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<scope>test</scope>
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</dependency>
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<dependency>
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<groupId>org.dbunit</groupId>
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<artifactId>dbunit</artifactId>
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<version>2.4.9</version>
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</dependency>
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</dependencies>
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</project>

‎hibernate-jpa-standalone-dbunit/src/main/java/com/geowarin/hibernate/jpa/standalone/App.java

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package com.geowarin.hibernate.jpa.standalone;
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import javax.persistence.EntityManager;
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import javax.persistence.EntityManagerFactory;
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import javax.persistence.Persistence;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import com.geowarin.hibernate.jpa.standalone.model.User;
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/**
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* Simple standalone JPA app.
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* Will load the user inserted by the script import-users.sql
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*
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* @author Geoffroy Warin (https://github.com/geowarin)
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*
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*/
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public class App {
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private static Logger log = LoggerFactory.getLogger(App.class);
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public static void main(String[] args) {
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EntityManagerFactory entityManagerFactory = Persistence.createEntityManagerFactory("persistence");
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EntityManager entityManager = entityManagerFactory.createEntityManager();
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User found = entityManager.find(User.class, 1L);
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log.info("found=" + found);
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}
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}

‎hibernate-jpa-standalone-dbunit/src/main/java/com/geowarin/hibernate/jpa/standalone/model/User.java

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package com.geowarin.hibernate.jpa.standalone.model;
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import java.io.Serializable;
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import javax.persistence.Column;
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import javax.persistence.Entity;
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import javax.persistence.GeneratedValue;
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import javax.persistence.GenerationType;
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import javax.persistence.Id;
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import javax.persistence.Table;
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@Table(name = "users")
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@Entity
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public class User implements Serializable {
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private static final long serialVersionUID = 1L;
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@Id
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@GeneratedValue(strategy=GenerationType.AUTO)
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private long id;
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@Column(name = "name", nullable = false, unique=true, length=50)
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private String name;
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public long getId() {
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return id;
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}
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public void setId(long id) {
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this.id = id;
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}
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public String getName() {
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return name;
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}
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public void setName(String name) {
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this.name = name;
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}
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@Override
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public String toString() {
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return "User [id=" + id + ", name=" + name + "]";
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}
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}

‎hibernate-jpa-standalone-dbunit/src/main/resources/META-INF/persistence.xml

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<persistence xmlns="http://java.sun.com/xml/ns/persistence" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/persistence http://java.sun.com/xml/ns/persistence/persistence_2_0.xsd" version="2.0">
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<persistence-unit name="persistence" transaction-type="RESOURCE_LOCAL">
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<provider>org.hibernate.ejb.HibernatePersistence</provider>
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<class>com.geowarin.hibernate.jpa.standalone.model.User</class>
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<properties>
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<property name="javax.persistence.jdbc.driver" value="org.hsqldb.jdbcDriver"/>
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<property name="javax.persistence.jdbc.url" value="jdbc:hsqldb:mem:standalone"/>
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<property name="javax.persistence.jdbc.user" value="sa"/>
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<property name="javax.persistence.jdbc.password" value=""/>
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<property name="hibernate.dialect" value="org.hibernate.dialect.HSQLDialect"/>
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<property name="hibernate.hbm2ddl.auto" value="create"/>
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<property name="hibernate.hbm2ddl.import_files" value="sql/import-users.sql"/>
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<property name="hibernate.show_sql" value="true"/>
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<property name="hibernate.format_sql" value="false"/>
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</properties>
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</persistence-unit>
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</persistence>

‎hibernate-jpa-standalone-dbunit/src/main/resources/log4j.properties

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log4j.appender.Stdout=org.apache.log4j.ConsoleAppender
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log4j.appender.Stdout.layout=org.apache.log4j.PatternLayout
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log4j.appender.Stdout.layout.conversionPattern=%-5p - %-c - %m\n
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log4j.rootLogger=INFO,Stdout
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log4j.logger.org.hibernate=INFO

‎hibernate-jpa-standalone-dbunit/src/main/resources/sql/import-users.sql

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INSERT INTO users(id, name) VALUES(1, 'admin');

‎hibernate-jpa-standalone-dbunit/src/test/java/com/geowarin/hibernate/jpa/standalone/AbstractDbUnitJpaTest.java

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package com.geowarin.hibernate.jpa.standalone;
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import java.io.InputStream;
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import java.sql.SQLException;
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import javax.persistence.EntityManager;
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import javax.persistence.EntityManagerFactory;
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import javax.persistence.Persistence;
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import org.dbunit.DatabaseUnitException;
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import org.dbunit.database.DatabaseConfig;
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import org.dbunit.database.DatabaseConnection;
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import org.dbunit.database.IDatabaseConnection;
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import org.dbunit.dataset.IDataSet;
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import org.dbunit.dataset.xml.FlatXmlDataSetBuilder;
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import org.dbunit.ext.hsqldb.HsqldbDataTypeFactory;
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import org.dbunit.operation.DatabaseOperation;
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import org.hibernate.HibernateException;
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import org.hibernate.internal.SessionImpl;
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import org.junit.AfterClass;
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import org.junit.Before;
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import org.junit.BeforeClass;
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/**
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* Abstract unit test case class.
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* This will load the test-data.xml dataset before each test case and will clean the database before each test
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*
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* @author Geoffroy Warin (https://github.com/geowarin)
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*
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*/
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public abstract class AbstractDbUnitJpaTest {
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private static EntityManagerFactory entityManagerFactory;
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private static IDatabaseConnection connection;
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private static IDataSet dataset;
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protected static EntityManager entityManager;
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/**
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* Will load test-dataset.xml before each test case
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* @throws DatabaseUnitException
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* @throws HibernateException
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*/
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@BeforeClass
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public static void initEntityManager() throws HibernateException, DatabaseUnitException {
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entityManagerFactory = Persistence.createEntityManagerFactory("persistence-test");
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entityManager = entityManagerFactory.createEntityManager();
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connection = new DatabaseConnection(((SessionImpl) (entityManager.getDelegate())).connection());
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connection.getConfig().setProperty(DatabaseConfig.PROPERTY_DATATYPE_FACTORY, new HsqldbDataTypeFactory());
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FlatXmlDataSetBuilder flatXmlDataSetBuilder = new FlatXmlDataSetBuilder();
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flatXmlDataSetBuilder.setColumnSensing(true);
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InputStream dataSet = Thread.currentThread().getContextClassLoader().getResourceAsStream("test-data.xml");
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dataset = flatXmlDataSetBuilder.build(dataSet);
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}
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@AfterClass
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public static void closeEntityManager() {
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entityManager.close();
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entityManagerFactory.close();
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}
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/**
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* Will clean the dataBase before each test
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*
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* @throws SQLException
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* @throws DatabaseUnitException
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*/
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@Before
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public void cleanDB() throws DatabaseUnitException, SQLException {
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DatabaseOperation.CLEAN_INSERT.execute(connection, dataset);
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}
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}

‎hibernate-jpa-standalone-dbunit/src/test/java/com/geowarin/hibernate/jpa/standalone/AppTest.java

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package com.geowarin.hibernate.jpa.standalone;
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import java.util.List;
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import org.junit.Assert;
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import org.junit.Test;
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import com.geowarin.hibernate.jpa.standalone.model.User;
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/**
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*
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*
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* @author Geoffroy Warin (https://github.com/geowarin)
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*
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*/
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public class AppTest extends AbstractDbUnitJpaTest {
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@Test
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public void testFind() {
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User user = entityManager.find(User.class, 1L);
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Assert.assertNotNull(user);
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Assert.assertEquals("userTest", user.getName());
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}
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@Test
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public void testInsert() {
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User newUser = new User();
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newUser.setName("insert");
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entityManager.getTransaction().begin();
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entityManager.persist(newUser);
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long id = newUser.getId();
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entityManager.getTransaction().commit();
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User user = entityManager.find(User.class, id);
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Assert.assertNotNull(user);
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Assert.assertEquals("insert", user.getName());
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}
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@Test
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public void testFindAll() {
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List<User> allUsers = entityManager.createQuery("from User").getResultList();
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Assert.assertEquals(2, allUsers.size());
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}
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}

‎hibernate-jpa-standalone-dbunit/src/test/resources/META-INF/persistence.xml

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<persistence xmlns="http://java.sun.com/xml/ns/persistence" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/persistence http://java.sun.com/xml/ns/persistence/persistence_2_0.xsd" version="2.0">
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<persistence-unit name="persistence-test" transaction-type="RESOURCE_LOCAL">
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<provider>org.hibernate.ejb.HibernatePersistence</provider>
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<class>com.geowarin.hibernate.jpa.standalone.model.User</class>
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<properties>
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<property name="javax.persistence.jdbc.driver" value="org.hsqldb.jdbcDriver"/>
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<property name="javax.persistence.jdbc.url" value="jdbc:hsqldb:mem:standalone-test"/>
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<property name="javax.persistence.jdbc.user" value="sa"/>
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<property name="javax.persistence.jdbc.password" value=""/>
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<property name="hibernate.dialect" value="org.hibernate.dialect.HSQLDialect"/>
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<property name="hibernate.hbm2ddl.auto" value="create"/>
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<property name="hibernate.show_sql" value="true"/>
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<property name="hibernate.format_sql" value="true"/>
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</properties>
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</persistence-unit>
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</persistence>

‎hibernate-jpa-standalone-dbunit/src/test/resources/test-data.xml

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<?xml version="1.0" encoding="UTF-8"?>
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<dataset>
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<USERS id="1" name="userTest" />
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<USERS id="2" name="userTest2" />
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</dataset>

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