Hibernate example source code file (ReadOnlyVersionedNodesTest.java)

This example Hibernate source code file (ReadOnlyVersionedNodesTest.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Hibernate tags/keywords

abstractreadonlytest, exception, exception, failureexpected, override, readonlyversionednodestest, session, session, string, test, test, versionednode, versionednode

The Hibernate ReadOnlyVersionedNodesTest.java source code

/*
 * Hibernate, Relational Persistence for Idiomatic Java
 *
 * Copyright (c) 2008-2011, Red Hat Inc. or third-party contributors as
 * indicated by the @author tags or express copyright attribution
 * statements applied by the authors.  All third-party contributions are
 * distributed under license by Red Hat Inc.
 *
 * This copyrighted material is made available to anyone wishing to use, modify,
 * copy, or redistribute it subject to the terms and conditions of the GNU
 * Lesser General Public License, as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
 * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License
 * for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this distribution; if not, write to:
 * Free Software Foundation, Inc.
 * 51 Franklin Street, Fifth Floor
 * Boston, MA  02110-1301  USA
 */
package org.hibernate.test.readonly;

import org.hibernate.Session;

import org.junit.Test;

import org.hibernate.testing.FailureExpected;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertSame;

/**
 * @author Gail Badner
 */
public class ReadOnlyVersionedNodesTest extends AbstractReadOnlyTest {
	@Override
	public String[] getMappings() {
		return new String[] { "readonly/VersionedNode.hbm.xml" };
	}

	@Test
	public void testSetReadOnlyTrueAndFalse() throws Exception {
		Session s = openSession();
		s.beginTransaction();
		VersionedNode node = new VersionedNode( "node", "node" );
		s.persist( node );
		s.getTransaction().commit();
		s.close();

		clearCounts();

		s = openSession();

		s.beginTransaction();
		node = ( VersionedNode ) s.get( VersionedNode.class, node.getId() );
		s.setReadOnly( node, true );
		node.setName( "node-name" );
		s.getTransaction().commit();

		assertUpdateCount( 0 );
		assertInsertCount( 0 );

		// the changed name is still in node
		assertEquals( "node-name", node.getName() );

		s.beginTransaction();
		node = ( VersionedNode ) s.get( VersionedNode.class, node.getId() );
		// the changed name is still in the session
		assertEquals( "node-name", node.getName() );
		s.refresh( node );
		// after refresh, the name reverts to the original value
		assertEquals( "node", node.getName() );
		node = ( VersionedNode ) s.get( VersionedNode.class, node.getId() );
		assertEquals( "node", node.getName() );
		s.getTransaction().commit();

		s.close();

		assertUpdateCount( 0 );
		assertInsertCount( 0 );

		s = openSession();
		s.beginTransaction();
		node = ( VersionedNode ) s.get( VersionedNode.class, node.getId() );
		assertEquals( "node", node.getName() );
		s.setReadOnly( node, true );
		node.setName( "diff-node-name" );
		s.flush();
		assertEquals( "diff-node-name", node.getName() );
		s.refresh( node );
		assertEquals( "node", node.getName() );
		s.setReadOnly( node, false );
		node.setName( "diff-node-name" );
		s.getTransaction().commit();
		s.close();

		assertUpdateCount( 1 );
		assertInsertCount( 0 );
		clearCounts();

		s = openSession();
		s.beginTransaction();
		node = ( VersionedNode ) s.get( VersionedNode.class, node.getId() );
		assertEquals( "diff-node-name", node.getName() );
		assertEquals( 1, node.getVersion() );
		s.setReadOnly( node, true );
		s.delete( node );
		s.getTransaction().commit();
		s.close();
		
		assertUpdateCount( 0 );
		assertDeleteCount( 1 );
	}

	@Test
	public void testUpdateSetReadOnlyTwice() throws Exception {
		Session s = openSession();
		s.beginTransaction();
		VersionedNode node = new VersionedNode( "node", "node" );
		s.persist( node );
		s.getTransaction().commit();
		s.close();
 
		clearCounts();

		s = openSession();

		s.beginTransaction();
		node = ( VersionedNode ) s.get( VersionedNode.class, node.getId() );
		node.setName( "node-name" );
		s.setReadOnly( node, true );
		s.setReadOnly( node, true );
		s.getTransaction().commit();
		s.close();

		assertUpdateCount( 0 );
		assertInsertCount( 0 );

		s = openSession();
		s.beginTransaction();
		node = ( VersionedNode ) s.get( VersionedNode.class, node.getId() );
		assertEquals( "node", node.getName() );
		assertEquals( 0, node.getVersion() );
		s.setReadOnly( node, true );
		s.delete( node );
		s.getTransaction().commit();
		s.close();

		assertUpdateCount( 0 );
		assertDeleteCount( 1 );
	}

	@Test
	public void testUpdateSetModifiable() throws Exception {
		Session s = openSession();
		s.beginTransaction();
		VersionedNode node = new VersionedNode( "node", "node" );
		s.persist( node );
		s.getTransaction().commit();
		s.close();
 
		clearCounts();

		s = openSession();

		s.beginTransaction();
		node = ( VersionedNode ) s.get( VersionedNode.class, node.getId() );
		node.setName( "node-name" );
		s.setReadOnly( node, false );
		s.getTransaction().commit();
		s.close();

		assertUpdateCount( 1 );
		assertInsertCount( 0 );
		clearCounts();

		s = openSession();
		s.beginTransaction();
		node = ( VersionedNode ) s.get( VersionedNode.class, node.getId() );
		assertEquals( "node-name", node.getName() );
		assertEquals( 1, node.getVersion() );
		s.setReadOnly( node, true );
		s.delete( node );
		s.getTransaction().commit();
		s.close();

		assertUpdateCount( 0 );
		assertDeleteCount( 1 );
	}

	@Test
	@FailureExpected( jiraKey = "unknown" )
	public void testUpdateSetReadOnlySetModifiable() throws Exception {
		Session s = openSession();
		s.beginTransaction();
		VersionedNode node = new VersionedNode( "node", "node" );
		s.persist( node );
		s.getTransaction().commit();
		s.close();

		clearCounts();

		s = openSession();

		s.beginTransaction();
		node = ( VersionedNode ) s.get( VersionedNode.class, node.getId() );
		node.setName( "node-name" );
		s.setReadOnly( node, true );
		s.setReadOnly( node, false );
		s.getTransaction().commit();
		s.close();

		assertUpdateCount( 1 );
		assertInsertCount( 0 );

		s = openSession();
		s.beginTransaction();
		node = ( VersionedNode ) s.get( VersionedNode.class, node.getId() );
		assertEquals( "node-name", node.getName() );
		assertEquals( 1, node.getVersion() );
		s.delete( node );
		s.getTransaction().commit();
		s.close();
	}

	@Test
	@FailureExpected( jiraKey = "unknown" )
	public void testSetReadOnlyUpdateSetModifiable() throws Exception {
		Session s = openSession();
		s.beginTransaction();
		VersionedNode node = new VersionedNode( "node", "node" );
		s.persist( node );
		s.getTransaction().commit();
		s.close();

		clearCounts();

		s = openSession();

		s.beginTransaction();
		node = ( VersionedNode ) s.get( VersionedNode.class, node.getId() );
		s.setReadOnly( node, true );
		node.setName( "node-name" );
		s.setReadOnly( node, false );
		s.getTransaction().commit();
		s.close();

		assertUpdateCount( 1 );
		assertInsertCount( 0 );

		s = openSession();
		s.beginTransaction();
		node = ( VersionedNode ) s.get( VersionedNode.class, node.getId() );
		assertEquals( "node-name", node.getName() );
		assertEquals( 1, node.getVersion() );
		s.delete( node );
		s.getTransaction().commit();
		s.close();
	}

	@Test
	public void testAddNewChildToReadOnlyParent() throws Exception {
		Session s = openSession();
		s.beginTransaction();
		VersionedNode parent = new VersionedNode( "parent", "parent" );
		s.persist( parent );
		s.getTransaction().commit();
		s.close();

		clearCounts();

		s = openSession();
		s.beginTransaction();
		VersionedNode parentManaged = ( VersionedNode ) s.get( VersionedNode.class, parent.getId() );
		s.setReadOnly( parentManaged, true );
		parentManaged.setName( "new parent name" );
		VersionedNode child = new VersionedNode( "child", "child");
		parentManaged.addChild( child );
		s.getTransaction().commit();
		s.close();

		assertUpdateCount( 1 );
		assertInsertCount( 1 );

		s = openSession();
		s.beginTransaction();
		parent = ( VersionedNode ) s.get( VersionedNode.class, parent.getId() );
		assertEquals( "parent", parent.getName() );
		assertEquals( 1, parent.getChildren().size() );
		assertEquals( 1, parent.getVersion() );
		child = ( VersionedNode ) s.get( VersionedNode.class, child.getId() );
		assertNotNull( child );
		s.delete( parent );
		s.getTransaction().commit();
		s.close();
	}

	@Test
	public void testUpdateParentWithNewChildCommitWithReadOnlyParent() throws Exception {
		Session s = openSession();
		s.beginTransaction();
		VersionedNode parent = new VersionedNode( "parent", "parent" );
		s.persist( parent );
		s.getTransaction().commit();
		s.close();

		clearCounts();

		parent.setName( "new parent name" );
		VersionedNode child = new VersionedNode( "child", "child");
		parent.addChild( child );

		s = openSession();
		s.beginTransaction();
		s.update( parent );
		s.setReadOnly( parent, true );
		s.getTransaction().commit();
		s.close();

		assertUpdateCount( 1 );
		assertInsertCount( 1 );
		clearCounts();

		s = openSession();
		s.beginTransaction();
		parent = ( VersionedNode ) s.get( VersionedNode.class, parent.getId() );
		child = ( VersionedNode ) s.get( VersionedNode.class, child.getId() );
		assertEquals( parent.getName(), "parent" );
		assertEquals( 1, parent.getChildren().size() );
		assertEquals( 1, parent.getVersion() );
		assertSame( parent, child.getParent() );
		assertSame( child, parent.getChildren().iterator().next() );
		assertEquals( 0, child.getVersion() );
		s.setReadOnly( parent, true );
		s.setReadOnly( child, true );
		s.delete( parent );
		s.delete( child );
		s.getTransaction().commit();
		s.close();

		assertUpdateCount( 0 );
		assertDeleteCount( 2 );
	}

	@Test
	public void testMergeDetachedParentWithNewChildCommitWithReadOnlyParent() throws Exception {
		Session s = openSession();
		s.beginTransaction();
		VersionedNode parent = new VersionedNode( "parent", "parent" );
		s.persist( parent );
		s.getTransaction().commit();
		s.close();

		clearCounts();

		parent.setName( "new parent name" );
		VersionedNode child = new VersionedNode( "child", "child");
		parent.addChild( child );

		s = openSession();
		s.beginTransaction();
		parent = ( VersionedNode ) s.merge( parent );
		s.setReadOnly( parent, true );
		s.getTransaction().commit();
		s.close();

		assertUpdateCount( 1 );
		assertInsertCount( 1 );
		clearCounts();

		s = openSession();
		s.beginTransaction();
		parent = ( VersionedNode ) s.get( VersionedNode.class, parent.getId() );
		child = ( VersionedNode ) s.get( VersionedNode.class, child.getId() );
		assertEquals( parent.getName(), "parent" );
		assertEquals( 1, parent.getChildren().size() );
		assertEquals( 1, parent.getVersion() );
		assertSame( parent, child.getParent() );
		assertSame( child, parent.getChildren().iterator().next() );
		assertEquals( 0, child.getVersion() );
		s.setReadOnly( parent, true );
		s.setReadOnly( child, true );
		s.delete( parent );
		s.delete( child );
		s.getTransaction().commit();
		s.close();

		assertUpdateCount( 0 );
		assertDeleteCount( 2 );
	}

	@Test
	public void testGetParentMakeReadOnlyThenMergeDetachedParentWithNewChildC() throws Exception {
		Session s = openSession();
		s.beginTransaction();
		VersionedNode parent = new VersionedNode( "parent", "parent" );
		s.persist( parent );
		s.getTransaction().commit();
		s.close();

		clearCounts();

		parent.setName( "new parent name" );
		VersionedNode child = new VersionedNode( "child", "child");
		parent.addChild( child );

		s = openSession();
		s.beginTransaction();
		VersionedNode parentManaged = ( VersionedNode ) s.get( VersionedNode.class, parent.getId() );
		s.setReadOnly( parentManaged, true );
		VersionedNode parentMerged = ( VersionedNode ) s.merge( parent );
		assertSame( parentManaged, parentMerged );
		s.getTransaction().commit();
		s.close();

		assertUpdateCount( 1 );
		assertInsertCount( 1 );
		clearCounts();

		s = openSession();
		s.beginTransaction();
		parent = ( VersionedNode ) s.get( VersionedNode.class, parent.getId() );
		child = ( VersionedNode ) s.get( VersionedNode.class, child.getId() );
		assertEquals( parent.getName(), "parent" );
		assertEquals( 1, parent.getChildren().size() );
		assertEquals( 1, parent.getVersion() );
		assertSame( parent, child.getParent() );
		assertSame( child, parent.getChildren().iterator().next() );
		assertEquals( 0, child.getVersion() );
		s.delete( parent );
		s.delete( child );
		s.getTransaction().commit();
		s.close();

		assertUpdateCount( 0 );
		assertDeleteCount( 2 );
	}

	@Test
	public void testMergeUnchangedDetachedParentChildren() throws Exception {
		Session s = openSession();
		s.beginTransaction();
		VersionedNode parent = new VersionedNode( "parent", "parent" );
		VersionedNode child = new VersionedNode( "child", "child");
		parent.addChild( child );
		s.persist( parent );
		s.getTransaction().commit();
		s.close();

		clearCounts();

		s = openSession();
		s.beginTransaction();
		parent = ( VersionedNode ) s.merge( parent );
		s.getTransaction().commit();
		s.close();

		assertUpdateCount( 0 );
		assertInsertCount( 0 );
		clearCounts();

		s = openSession();
		s.beginTransaction();
		VersionedNode parentGet = ( VersionedNode ) s.get( parent.getClass(), parent.getId() );
		s.merge( parent );
		s.getTransaction().commit();
		s.close();

		assertUpdateCount( 0 );
		assertInsertCount( 0 );
		clearCounts();

		s = openSession();
		s.beginTransaction();
		VersionedNode parentLoad = ( VersionedNode ) s.load( parent.getClass(), parent.getId() );
		s.merge( parent );
		s.getTransaction().commit();
		s.close();

		assertUpdateCount( 0 );
		assertInsertCount( 0 );
		clearCounts();

		s = openSession();
		s.beginTransaction();
		parent = ( VersionedNode ) s.get( VersionedNode.class, parent.getId() );
		child = ( VersionedNode ) s.get( VersionedNode.class, child.getId() );
		assertEquals( parent.getName(), "parent" );
		assertEquals( 1, parent.getChildren().size() );
		assertEquals( 0, parent.getVersion() );
		assertSame( parent, child.getParent() );
		assertSame( child, parent.getChildren().iterator().next() );
		assertEquals( 0, child.getVersion() );
		s.delete( parent );
		s.delete( child );
		s.getTransaction().commit();
		s.close();

		assertUpdateCount( 0 );
		assertDeleteCount( 2 );
	}

	@Test
	public void testAddNewParentToReadOnlyChild() throws Exception {
		Session s = openSession();
		s.beginTransaction();
		VersionedNode child = new VersionedNode( "child", "child" );
		s.persist( child );
		s.getTransaction().commit();
		s.close();

		clearCounts();

		s = openSession();
		s.beginTransaction();
		VersionedNode childManaged = ( VersionedNode ) s.get( VersionedNode.class, child.getId() );
		s.setReadOnly( childManaged, true );
		childManaged.setName( "new child name" );
		VersionedNode parent = new VersionedNode( "parent", "parent");
		parent.addChild( childManaged );
		s.getTransaction().commit();
		s.close();

		assertUpdateCount( 0 );
		assertInsertCount( 1 );

		s = openSession();
		s.beginTransaction();
		child = ( VersionedNode ) s.get( VersionedNode.class, child.getId() );
		assertEquals( "child", child.getName() );
		assertNull( child.getParent() );
		assertEquals( 0, child.getVersion() );
		parent = ( VersionedNode ) s.get( VersionedNode.class, parent.getId() );
		assertNotNull( parent );
		s.setReadOnly( child, true );
		s.delete( child );
		s.getTransaction().commit();
		s.close();

		assertUpdateCount( 0 );
		assertDeleteCount( 1 );
	}

	@Test
	public void testUpdateChildWithNewParentCommitWithReadOnlyChild() throws Exception {
		Session s = openSession();
		s.beginTransaction();
		VersionedNode child = new VersionedNode( "child", "child" );
		s.persist( child );
		s.getTransaction().commit();
		s.close();

		clearCounts();

		child.setName( "new child name" );
		VersionedNode parent = new VersionedNode( "parent", "parent");
		parent.addChild( child );

		s = openSession();
		s.beginTransaction();
		s.update( child );
		s.setReadOnly( child, true );
		s.getTransaction().commit();
		s.close();

		assertUpdateCount( 0 );
		assertInsertCount( 1 );
		clearCounts();

		s = openSession();
		s.beginTransaction();
		parent = ( VersionedNode ) s.get( VersionedNode.class, parent.getId() );
		child = ( VersionedNode ) s.get( VersionedNode.class, child.getId() );
		assertEquals( child.getName(), "child" );
		assertNull( child.getParent() );
		assertEquals( 0, child.getVersion() );
		assertNotNull( parent );
		assertEquals( 0, parent.getChildren().size() );
		assertEquals( 0, parent.getVersion() );
		s.setReadOnly( parent, true );
		s.setReadOnly( child, true );
		s.delete( parent );
		s.delete( child );
		s.getTransaction().commit();
		s.close();

		assertUpdateCount( 0 );
		assertDeleteCount( 2 );
	}

	@Test
	public void testMergeDetachedChildWithNewParentCommitWithReadOnlyChild() throws Exception {
		Session s = openSession();
		s.beginTransaction();
		VersionedNode child = new VersionedNode( "child", "child" );
		s.persist( child );
		s.getTransaction().commit();
		s.close();

		clearCounts();

		child.setName( "new child name" );
		VersionedNode parent = new VersionedNode( "parent", "parent");
		parent.addChild( child );

		s = openSession();
		s.beginTransaction();
		child = ( VersionedNode ) s.merge( child );
		s.setReadOnly( child, true );
		s.getTransaction().commit();
		s.close();

		assertUpdateCount( 1 );
		assertInsertCount( 1 );
		clearCounts();

		s = openSession();
		s.beginTransaction();
		parent = ( VersionedNode ) s.get( VersionedNode.class, parent.getId() );
		child = ( VersionedNode ) s.get( VersionedNode.class, child.getId() );
		assertEquals( child.getName(), "child" );
		assertNull( child.getParent() );
		assertEquals( 0, child.getVersion() );
		assertNotNull( parent );
		assertEquals( 0, parent.getChildren().size() );
		assertEquals( 1, parent.getVersion() );	// hmmm, why is was version updated?
		s.setReadOnly( parent, true );
		s.setReadOnly( child, true );
		s.delete( parent );
		s.delete( child );
		s.getTransaction().commit();
		s.close();

		assertUpdateCount( 0 );
		assertDeleteCount( 2 );
	}

	@Test
	public void testGetChildMakeReadOnlyThenMergeDetachedChildWithNewParent() throws Exception {
		Session s = openSession();
		s.beginTransaction();
		VersionedNode child = new VersionedNode( "child", "child" );
		s.persist( child );
		s.getTransaction().commit();
		s.close();

		clearCounts();

		child.setName( "new child name" );
		VersionedNode parent = new VersionedNode( "parent", "parent");
		parent.addChild( child );

		s = openSession();
		s.beginTransaction();
		VersionedNode childManaged = ( VersionedNode ) s.get( VersionedNode.class, child.getId() );
		s.setReadOnly( childManaged, true );
		VersionedNode childMerged = ( VersionedNode ) s.merge( child );
		assertSame( childManaged, childMerged );
		s.getTransaction().commit();
		s.close();

		assertUpdateCount( 1 );
		assertInsertCount( 1 );
		clearCounts();

		s = openSession();
		s.beginTransaction();
		parent = ( VersionedNode ) s.get( VersionedNode.class, parent.getId() );
		child = ( VersionedNode ) s.get( VersionedNode.class, child.getId() );
		assertEquals( child.getName(), "child" );
		assertNull( child.getParent() );
		assertEquals( 0, child.getVersion() );
		assertNotNull( parent );
		assertEquals( 0, parent.getChildren().size() );
		assertEquals( 1, parent.getVersion() ); // / hmmm, why is was version updated?
		s.setReadOnly( parent, true );
		s.setReadOnly( child, true );
		s.delete( parent );
		s.delete( child );
		s.getTransaction().commit();
		s.close();

		assertUpdateCount( 0 );
		assertDeleteCount( 2 );
	}

	protected void cleanupTest() throws Exception {
		cleanup();
		super.cleanupTest();
	}

	private void cleanup() {
		Session s = sessionFactory().openSession();
		s.beginTransaction();

		s.createQuery( "delete from VersionedNode where parent is not null" ).executeUpdate();
		s.createQuery( "delete from VersionedNode" ).executeUpdate();

		s.getTransaction().commit();
		s.close();
	}
}