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Main.java
32 lines (24 loc) · 1.08 KB
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Main.java
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package com.example;
import javax.persistence.EntityManager;
import javax.persistence.EntityManagerFactory;
import javax.persistence.Persistence;
public class Main {
public static void main(String[] args) {
EntityManagerFactory entityManagerFactory = Persistence.createEntityManagerFactory( "templatePU" );
EntityManager entityManager = entityManagerFactory.createEntityManager();
entityManager.getTransaction().begin();
Person person = new Person( 1L, "Bob", new Address( 1L, "Main Street" ) );
entityManager.persist( person );
entityManager.getTransaction().commit();
entityManager.close();
entityManager = entityManagerFactory.createEntityManager();
entityManager.getTransaction().begin();
Person bob = entityManager.find( Person.class, 1L );
assert bob != null;
assert bob.getName().equals( "Bob" );
assert bob.getAddress().getName().equals( "Main Street" );
entityManager.getTransaction().commit();
entityManager.close();
entityManagerFactory.close();
}
}