org.xnio.conduits.ReadReadyHandler Maven / Gradle / Ivy
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This artifact provides a single jar that contains all classes required to use remote EJB and JMS, including
all dependencies. It is intended for use by those not using maven, maven users should just import the EJB and
JMS BOM's instead (shaded JAR's cause lots of problems with maven, as it is very easy to inadvertently end up
with different versions on classes on the class path).
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/*
* JBoss, Home of Professional Open Source
*
* Copyright 2013 Red Hat, Inc. and/or its affiliates.
*
* 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.xnio.conduits;
import org.xnio.ChannelListener;
import org.xnio.ChannelListeners;
import org.xnio.IoUtils;
import org.xnio.channels.CloseListenerSettable;
import org.xnio.channels.ReadListenerSettable;
import org.xnio.channels.SuspendableReadChannel;
/**
* A conduit read-ready handler.
*
* @author David M. Lloyd
*/
public interface ReadReadyHandler extends TerminateHandler {
/**
* Signify that reads are ready.
*/
void readReady();
/**
* A read ready handler which calls channel listener(s).
*
* @param the channel type
*/
class ChannelListenerHandler & CloseListenerSettable> implements ReadReadyHandler {
private final C channel;
/**
* Construct a new instance.
*
* @param channel the channel
*/
public ChannelListenerHandler(final C channel) {
this.channel = channel;
}
public void forceTermination() {
IoUtils.safeClose(channel);
}
public void readReady() {
final ChannelListener readListener = channel.getReadListener();
if (readListener == null) {
channel.suspendReads();
} else {
ChannelListeners.invokeChannelListener(channel, readListener);
}
}
public void terminated() {
ChannelListeners.invokeChannelListener(channel, channel.getCloseListener());
}
}
/**
* A runnable task which invokes the {@link ReadReadyHandler#readReady()} method of the given handler.
*/
class ReadyTask implements Runnable {
private final ReadReadyHandler handler;
/**
* Construct a new instance.
*
* @param handler the handler to invoke
*/
public ReadyTask(final ReadReadyHandler handler) {
this.handler = handler;
}
public void run() {
handler.readReady();
}
}
}