org.apache.activemq.artemis.core.remoting.impl.netty.HttpKeepAliveRunnable Maven / Gradle / Ivy
/*
* 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.activemq.artemis.core.remoting.impl.netty;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.concurrent.Future;
/**
* A simple Runnable to allow {@link HttpAcceptorHandler}s to be called intermittently.
*/
public class HttpKeepAliveRunnable implements Runnable {
private final List handlers = new ArrayList<>();
private boolean closed = false;
private Future future;
@Override
public synchronized void run() {
if (closed) {
return;
}
long time = System.currentTimeMillis();
for (HttpAcceptorHandler handler : handlers) {
handler.keepAlive(time);
}
}
public List getHandlers() {
return Collections.unmodifiableList(handlers);
}
public synchronized void registerKeepAliveHandler(final HttpAcceptorHandler httpAcceptorHandler) {
handlers.add(httpAcceptorHandler);
}
public synchronized void unregisterKeepAliveHandler(final HttpAcceptorHandler httpAcceptorHandler) {
handlers.remove(httpAcceptorHandler);
httpAcceptorHandler.shutdown();
}
public void close() {
for (HttpAcceptorHandler handler : handlers) {
handler.shutdown();
}
if (future != null) {
future.cancel(true);
}
closed = true;
}
public synchronized void setFuture(final Future future) {
this.future = future;
}
}