/**
* 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.cassandra.net;
import org.apache.log4j.Logger;
public class ResponseVerbHandler implements IVerbHandler
{
private static final Logger logger_ = Logger.getLogger( ResponseVerbHandler.class );
public void doVerb(Message message)
{
String messageId = message.getMessageId();
double age = System.currentTimeMillis() - MessagingService.getRegisteredCallbackAge(messageId);
CallbackInfo callbackInfo = MessagingService.removeRegisteredCallback(messageId);
if (callbackInfo == null)
{
if (logger_.isDebugEnabled())
logger_.debug("Callback already removed for "+ messageId);
return;
}
IMessageCallback cb = callbackInfo.callback;
MessagingService.instance.maybeAddLatency(cb, message.getFrom(), age);
if (cb instanceof IAsyncCallback)
{
if (logger_.isDebugEnabled())
logger_.debug("Processing response on a callback from " + messageId + "@" + message.getFrom());
((IAsyncCallback) cb).response(message);
}
else
{
if (logger_.isDebugEnabled())
logger_.debug("Processing response on an async result from " + messageId + "@" + message.getFrom());
((IAsyncResult) cb).result(message);
}
}
}