113 lines
4.1 KiB
Java
113 lines
4.1 KiB
Java
package com.baeldung.jdo;
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import org.datanucleus.api.jdo.JDOPersistenceManagerFactory;
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import org.datanucleus.metadata.PersistenceUnitMetaData;
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import org.junit.Test;
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import javax.jdo.PersistenceManager;
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import javax.jdo.PersistenceManagerFactory;
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import javax.jdo.Query;
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import javax.jdo.Transaction;
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import java.util.Iterator;
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import java.util.List;
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import static org.junit.Assert.assertEquals;
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import static org.junit.Assert.fail;
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public class GuideToJDOIntegrationTest {
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@Test
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public void givenProduct_WhenNewThenPerformTransaction() {
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PersistenceUnitMetaData pumd = new PersistenceUnitMetaData("dynamic-unit", "RESOURCE_LOCAL", null);
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pumd.addClassName("com.baeldung.jdo.Product");
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pumd.setExcludeUnlistedClasses();
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pumd.addProperty("javax.jdo.option.ConnectionDriverName", "org.h2.Driver");
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pumd.addProperty("javax.jdo.option.ConnectionURL", "jdbc:h2:mem:mypersistence");
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pumd.addProperty("javax.jdo.option.ConnectionUserName", "sa");
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pumd.addProperty("javax.jdo.option.ConnectionPassword", "");
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pumd.addProperty("datanucleus.autoCreateSchema", "true");
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PersistenceManagerFactory pmf = new JDOPersistenceManagerFactory(pumd, null);
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PersistenceManager pm = pmf.getPersistenceManager();
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Transaction tx = pm.currentTransaction();
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try {
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tx.begin();
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for (int i = 0; i < 100; i++){
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String nam = "Product-" + i;
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Product productx = new Product(nam, (double) i);
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pm.makePersistent(productx);
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}
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tx.commit();
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} catch (Throwable thr) {
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fail("Failed test : " + thr.getMessage());
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} finally {
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if (tx.isActive()) {
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tx.rollback();
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}
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pm.close();
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}
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pmf.close();
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}
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@Test
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public void givenProduct_WhenQueryThenExist() {
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PersistenceUnitMetaData pumd = new PersistenceUnitMetaData("dynamic-unit", "RESOURCE_LOCAL", null);
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pumd.addClassName("com.baeldung.jdo.Product");
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pumd.setExcludeUnlistedClasses();
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pumd.addProperty("javax.jdo.option.ConnectionDriverName", "org.h2.Driver");
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pumd.addProperty("javax.jdo.option.ConnectionURL", "jdbc:h2:mem:mypersistence");
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pumd.addProperty("javax.jdo.option.ConnectionUserName", "sa");
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pumd.addProperty("javax.jdo.option.ConnectionPassword", "");
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pumd.addProperty("datanucleus.autoCreateSchema", "true");
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PersistenceManagerFactory pmf = new JDOPersistenceManagerFactory(pumd, null);
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PersistenceManager pm = pmf.getPersistenceManager();
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Transaction tx = pm.currentTransaction();
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try {
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tx.begin();
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Product product = new Product("Tablet", 80.0);
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pm.makePersistent(product);
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Product product2 = new Product("Phone", 20.0);
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pm.makePersistent(product2);
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Product product3 = new Product("Laptop", 200.0);
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pm.makePersistent(product3);
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tx.commit();
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} catch (Throwable thr) {
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fail("Failed test : " + thr.getMessage());
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} finally {
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if (tx.isActive()) {
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tx.rollback();
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}
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pm.close();
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}
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pmf.close();
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PersistenceManagerFactory pmf2 = new JDOPersistenceManagerFactory(pumd, null);
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PersistenceManager pm2 = pmf2.getPersistenceManager();
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Transaction tx2 = pm2.currentTransaction();
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try {
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tx2.begin();
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@SuppressWarnings("rawtypes")
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Query q = pm2.newQuery("SELECT FROM " + Product.class.getName() + " WHERE price == 200");
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@SuppressWarnings("unchecked")
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List<Product> products = (List<Product>) q.execute();
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Iterator<Product> iter = products.iterator();
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while (iter.hasNext()) {
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Product p = iter.next();
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assertEquals("Laptop", p.name);
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}
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tx2.commit();
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} finally {
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if (tx2.isActive()) {
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tx2.rollback();
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}
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pm2.close();
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}
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}
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} |