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JPA HelloWorld using Hibernate
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Lines changed: 36 additions & 28 deletions

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‎jpa/helloworld/hibernate/JPAHelloWorld/resources/META-INF/persistence.xml‎

Lines changed: 18 additions & 18 deletions
Original file line numberDiff line numberDiff line change
@@ -1,21 +1,21 @@
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<?xml version="1.0" encoding="UTF-8"?>
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<persistence version="2.0"
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xmlns="http://java.sun.com/xml/ns/persistence" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://java.sun.com/xml/ns/persistence http://java.sun.com/xml/ns/persistence/persistence_2_0.xsd">
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<persistence-unit name="JavaHelps" transaction-type="RESOURCE_LOCAL">
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<!-- Persistence provider -->
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<provider>org.hibernate.jpa.HibernatePersistenceProvider</provider>
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<!-- Entity classes -->
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<class>com.javahelps.jpa.Student</class>
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<properties>
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<!-- The JDBC driver of your database -->
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<property name="javax.persistence.jdbc.driver" value="com.mysql.jdbc.Driver" />
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<!-- The JDBC URL to the database instance -->
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<property name="javax.persistence.jdbc.url" value="jdbc:mysql://localhost:3306/javahelps" />
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<!-- The database username -->
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<property name="javax.persistence.jdbc.user" value="root" />
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<!-- The database password -->
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<property name="javax.persistence.jdbc.password" value="root" />
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</properties>
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</persistence-unit>
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xmlns="http://java.sun.com/xml/ns/persistence" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://java.sun.com/xml/ns/persistence http://java.sun.com/xml/ns/persistence/persistence_2_0.xsd">
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<persistence-unit name="JavaHelps" transaction-type="RESOURCE_LOCAL">
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<!-- Persistence provider -->
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<provider>org.hibernate.jpa.HibernatePersistenceProvider</provider>
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<!-- Entity classes -->
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<class>com.javahelps.jpa.Student</class>
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<properties>
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<!-- The JDBC driver of your database -->
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<property name="javax.persistence.jdbc.driver" value="com.mysql.jdbc.Driver" />
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<!-- The JDBC URL to the database instance -->
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<property name="javax.persistence.jdbc.url" value="jdbc:mysql://localhost:3306/javahelps" />
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<!-- The database username -->
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<property name="javax.persistence.jdbc.user" value="root" />
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<!-- The database password -->
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<property name="javax.persistence.jdbc.password" value="root" />
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</properties>
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</persistence-unit>
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</persistence>

‎jpa/helloworld/hibernate/JPAHelloWorld/src/com/javahelps/jpa/Main.java‎

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Original file line numberDiff line numberDiff line change
@@ -46,9 +46,11 @@ public static void main(String[] args) {
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public static void create(int id, String name, int age) {
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// Create an EntityManager
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EntityManager manager = ENTITY_MANAGER_FACTORY.createEntityManager();
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// Get a transaction
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EntityTransaction transaction = manager.getTransaction();
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EntityTransaction transaction = null;
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try {
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// Get a transaction
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transaction = manager.getTransaction();
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// Begin the transaction
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transaction.begin();
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@@ -87,9 +89,11 @@ public static List<Student> readAll() {
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// Create an EntityManager
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EntityManager manager = ENTITY_MANAGER_FACTORY.createEntityManager();
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// Get a transaction
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EntityTransaction transaction = manager.getTransaction();
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EntityTransaction transaction = null;
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try {
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// Get a transaction
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transaction = manager.getTransaction();
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// Begin the transaction
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transaction.begin();
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@@ -121,9 +125,11 @@ public static List<Student> readAll() {
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public static void delete(int id) {
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// Create an EntityManager
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EntityManager manager = ENTITY_MANAGER_FACTORY.createEntityManager();
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// Get a transaction
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EntityTransaction transaction = manager.getTransaction();
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EntityTransaction transaction = null;
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try {
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// Get a transaction
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transaction = manager.getTransaction();
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// Begin the transaction
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transaction.begin();
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@@ -158,9 +164,11 @@ public static void delete(int id) {
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public static void upate(int id, String name, int age) {
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// Create an EntityManager
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EntityManager manager = ENTITY_MANAGER_FACTORY.createEntityManager();
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// Get a transaction
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EntityTransaction transaction = manager.getTransaction();
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EntityTransaction transaction = null;
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try {
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// Get a transaction
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transaction = manager.getTransaction();
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// Begin the transaction
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transaction.begin();
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‎jpa/helloworld/hibernate/JPAHelloWorld/target/classes/META-INF/maven/com.javahelps/JPAHelloWorld/pom.properties‎

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#Generated by Maven Integration for Eclipse
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#Fri Aug 07 21:56:46 IST 2015
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#Sat Aug 08 16:18:04 IST 2015
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version=0.0.1-SNAPSHOT
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groupId=com.javahelps
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m2e.projectName=JPAHelloWorld
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m2e.projectLocation=/home/gobinath/Workspace/eclipse/JPAHelloWorld
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m2e.projectLocation=/home/gobinath/Workspace/git/Java-Helps-Java/jpa/helloworld/hibernate/JPAHelloWorld
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artifactId=JPAHelloWorld

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