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/*
*
* Copyright (c) 2006 The Apache Software Foundation
*
* Licensed 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.cluster;
import org.apache.qpid.framing.AMQMethodBody;
public class BlockingHandler implements ResponseHandler
{
private final Class _expected;
private boolean _completed;
private AMQMethodBody _response;
public BlockingHandler()
{
this(AMQMethodBody.class);
}
public BlockingHandler(Class<? extends AMQMethodBody> expected)
{
_expected = expected;
}
public void responded(AMQMethodBody response)
{
if (_expected.isInstance(response))
{
_response = response;
completed();
}
}
public void removed()
{
completed();
}
private synchronized void completed()
{
_completed = true;
notifyAll();
}
synchronized void waitForCompletion()
{
while (!_completed)
{
try
{
wait();
}
catch (InterruptedException ignore)
{
}
}
}
AMQMethodBody getResponse()
{
return _response;
}
boolean failed()
{
return _response == null;
}
boolean isCompleted()
{
return _completed;
}
}
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