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/*
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*
*/
package org.apache.qpid.server.store;
import org.apache.qpid.AMQException;
import org.apache.qpid.framing.AMQShortString;
import org.apache.qpid.framing.BasicContentHeaderProperties;
import org.apache.qpid.framing.ContentHeaderBody;
import org.apache.qpid.framing.abstraction.MessagePublishInfo;
import org.apache.qpid.server.message.AMQMessage;
import org.apache.qpid.server.message.MessageMetaData;
import org.apache.qpid.server.message.MessageReference;
import org.apache.qpid.test.utils.QpidTestCase;
/**
* Tests that reference counting works correctly with AMQMessage and the message store
*/
public class ReferenceCountingTest extends QpidTestCase
{
private TestableMemoryMessageStore _store;
protected void setUp() throws Exception
{
_store = new TestableMemoryMessageStore();
}
/**
* Check that when the reference count is decremented the message removes itself from the store
*/
public void testMessageGetsRemoved() throws AMQException
{
ContentHeaderBody chb = createPersistentContentHeader();
MessagePublishInfo info = new MessagePublishInfo()
{
public AMQShortString getExchange()
{
return null;
}
public void setExchange(AMQShortString exchange)
{
//To change body of implemented methods use File | Settings | File Templates.
}
public boolean isImmediate()
{
return false;
}
public boolean isMandatory()
{
return false;
}
public AMQShortString getRoutingKey()
{
return null;
}
};
MessageMetaData mmd = new MessageMetaData(info, chb, 0);
StoredMessage storedMessage = _store.addMessage(mmd);
AMQMessage message = new AMQMessage(storedMessage);
MessageReference ref = message.newReference();
assertEquals(1, _store.getMessageCount());
ref.release();
assertEquals(0, _store.getMessageCount());
}
private ContentHeaderBody createPersistentContentHeader()
{
ContentHeaderBody chb = new ContentHeaderBody();
BasicContentHeaderProperties bchp = new BasicContentHeaderProperties();
bchp.setDeliveryMode((byte)2);
chb.setProperties(bchp);
return chb;
}
public void testMessageRemains() throws AMQException
{
MessagePublishInfo info = new MessagePublishInfo()
{
public AMQShortString getExchange()
{
return null;
}
public void setExchange(AMQShortString exchange)
{
//To change body of implemented methods use File | Settings | File Templates.
}
public boolean isImmediate()
{
return false;
}
public boolean isMandatory()
{
return false;
}
public AMQShortString getRoutingKey()
{
return null;
}
};
final ContentHeaderBody chb = createPersistentContentHeader();
MessageMetaData mmd = new MessageMetaData(info, chb, 0);
StoredMessage storedMessage = _store.addMessage(mmd);
AMQMessage message = new AMQMessage(storedMessage);
MessageReference ref = message.newReference();
// we call routing complete to set up the handle
// message.routingComplete(_store, _storeContext, new MessageHandleFactory());
assertEquals(1, _store.getMessageCount());
MessageReference ref2 = message.newReference();
ref.release();
assertEquals(1, _store.getMessageCount());
}
public static junit.framework.Test suite()
{
return new junit.framework.TestSuite(ReferenceCountingTest.class);
}
}
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