org.jppf.server.nio.heartbeat.HeartbeatMessageReader Maven / Gradle / Ivy
/*
* JPPF.
* Copyright (C) 2005-2019 JPPF Team.
* http://www.jppf.org
*
* 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.jppf.server.nio.heartbeat;
import org.jppf.comm.recovery.HeartbeatMessage;
import org.jppf.nio.*;
import org.slf4j.*;
/**
* Reads from the channel until no more data is available. Each fully read message is handed off
* to a global thread pool for deserialization and processing.
* @author Laurent Cohen
*/
class HeartbeatMessageReader extends NioMessageReader {
/**
* Logger for this class.
*/
private static final Logger log = LoggerFactory.getLogger(HeartbeatMessageReader.class);
/**
*
* @param server .
*/
public HeartbeatMessageReader(final StatelessNioServer server) {
super(server);
}
/**
* Determines whether the debug level is enabled in the log configuration, without the cost of a method call.
*/
private static final boolean debugEnabled = log.isDebugEnabled();
@Override
protected MessageHandler createMessageHandler() {
return HeartbeatMessageReader::handleMessage;
}
/**
* Deserialize the specified message and route it to the specialized handling method.
* @param context the context associated with the channel.
* @param message the message to handle.
* @throws Exception if any error occurs.
*/
private static void handleMessage(final HeartbeatContext context, final NioMessage message) throws Exception {
if (debugEnabled) log.debug("read message = {} from context = {}", message, context);
final HeartbeatMessage heartbeatMessage = context.deserializeData(message);
if (debugEnabled) log.debug("read message {} from {}", message, context);
if (context.getUuid() == null) {
final String uuid = heartbeatMessage.getUuid();
context.setUuid(uuid);
}
context.server.getMessageHandler().responseReceived(heartbeatMessage);
}
}