/*
*
* JBoss, Home of Professional Open Source.
* Copyright 2013, Red Hat, Inc., and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
* /
*/
package org.wildfly.extension.io;
import java.io.IOException;
import org.jboss.msc.service.Service;
import org.jboss.msc.service.StartContext;
import org.jboss.msc.service.StartException;
import org.jboss.msc.service.StopContext;
import org.xnio.OptionMap;
import org.xnio.Xnio;
import org.xnio.XnioWorker;
/**
* @author <a href="mailto:tomaz.cerar@redhat.com">Tomaz Cerar</a> (c) 2012 Red Hat Inc.
*/
public class WorkerService implements Service<XnioWorker> {
private final OptionMap options;
private XnioWorker worker;
private volatile StopContext stopContext;
public WorkerService(OptionMap options) {
this.options = options;
}
@Override
public void start(StartContext startContext) throws StartException {
final Xnio xnio = Xnio.getInstance();
try {
worker = xnio.createWorker(null, options, this::stopDone);
} catch (IOException e) {
throw new StartException(e);
}
}
@Override
public void stop(StopContext context) {
this.stopContext = context;
context.asynchronous();
worker.shutdown();
worker = null;
}
private void stopDone() {
final StopContext stopContext = this.stopContext;
this.stopContext = null;
assert stopContext != null;
stopContext.complete();
}
@Override
public XnioWorker getValue() throws IllegalStateException, IllegalArgumentException {
return worker;
}
}