com.hazelcast.nio.tcp.OutSelectorImpl Maven / Gradle / Ivy
/*
* Copyright (c) 2008-2015, Hazelcast, Inc. All Rights Reserved.
*
* 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 com.hazelcast.nio.tcp;
import com.hazelcast.logging.ILogger;
import java.nio.channels.SelectionKey;
public final class OutSelectorImpl extends AbstractIOSelector {
// This field will be incremented by a single thread --> the OutSelectorImpl. It can be read by multiple threads.
private volatile long writeEvents;
public OutSelectorImpl(ThreadGroup threadGroup, String tname, ILogger logger, IOSelectorOutOfMemoryHandler oomeHandler) {
super(threadGroup, tname, logger, oomeHandler);
}
/**
* Returns the current number of write events that have been processed by this OutSelectorImpl.
*
* This method is thread-safe.
*
* @return the number of write events.
*/
public long getWriteEvents() {
return writeEvents;
}
@Override
@edu.umd.cs.findbugs.annotations.SuppressWarnings({"VO_VOLATILE_INCREMENT" })
protected void handleSelectionKey(SelectionKey sk) {
if (sk.isValid() && sk.isWritable()) {
writeEvents++;
SelectionHandler handler = (SelectionHandler) sk.attachment();
handler.handle();
}
}
}