/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright (c) 2007-2010 Oracle and/or its affiliates. All rights reserved.
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common Development
* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can
* obtain a copy of the License at
* https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
* or packager/legal/LICENSE.txt. See the License for the specific
* language governing permissions and limitations under the License.
*
* When distributing the software, include this License Header Notice in each
* file and include the License file at packager/legal/LICENSE.txt.
*
* GPL Classpath Exception:
* Oracle designates this particular file as subject to the "Classpath"
* exception as provided by Oracle in the GPL Version 2 section of the License
* file that accompanied this code.
*
* Modifications:
* If applicable, add the following below the License Header, with the fields
* enclosed by brackets [] replaced by your own identifying information:
* "Portions Copyright [year] [name of copyright owner]"
*
* Contributor(s):
* If you wish your version of this file to be governed by only the CDDL or
* only the GPL Version 2, indicate your decision by adding "[Contributor]
* elects to include this software in this distribution under the [CDDL or GPL
* Version 2] license." If you don't indicate a single choice of license, a
* recipient has the option to distribute your version of this file under
* either the CDDL, the GPL Version 2 or to extend the choice of license to
* its licensees as provided above. However, if you add GPL Version 2 code
* and therefore, elected the GPL Version 2 license, then the option applies
* only if the new code is made subject to such option by the copyright
* holder.
*/
package com.sun.enterprise.admin.util;
import com.sun.enterprise.config.serverbeans.Config;
import com.sun.enterprise.config.serverbeans.Domain;
import com.sun.enterprise.config.serverbeans.Server;
import com.sun.enterprise.config.serverbeans.ServerTags;
import com.sun.grizzly.config.dom.NetworkConfig;
import com.sun.grizzly.config.dom.NetworkListener;
import org.glassfish.api.Startup;
import org.glassfish.api.admin.InstanceCommand;
import org.glassfish.api.admin.InstanceCommandResult;
import org.glassfish.api.admin.InstanceState;
import org.glassfish.api.admin.ServerEnvironment;
import org.jvnet.hk2.annotations.Inject;
import org.jvnet.hk2.annotations.Scoped;
import org.jvnet.hk2.annotations.Service;
import org.jvnet.hk2.component.Habitat;
import org.jvnet.hk2.component.PostConstruct;
import org.jvnet.hk2.component.Singleton;
import java.util.List;
import java.util.concurrent.*;
import java.util.logging.Logger;
/**
* This singleton service creates and holds the command pool used to execute commands
* @author Vijay Ramachandran
*/
@Service
@Scoped(Singleton.class)
public class CommandThreadPool implements Startup, PostConstruct {
@Inject
private Habitat habitat;
@Inject
private ServerEnvironment serverEnv;
@Inject
private Domain domain;
@Inject
private Logger logger;
private ExecutorService svc;
public CommandThreadPool() {}
/**
* Process the instance file if this is DAS and there are instances configured already in this domain
*/
@Override
public void postConstruct() {
// If this is not the DAS, no need for this pool
if(serverEnv.isInstance()) {
return;
}
int poolSize = 5;
Config svrConfig = domain.getConfigNamed("server-config");
// I am doing this code instead of a simple svrConfig.getAdminListener() here because embedded tests are failing
// during build; got to check the reason why later.
if(svrConfig != null) {
NetworkConfig nwc = svrConfig.getNetworkConfig();
if (nwc != null) {
List<NetworkListener> lss = nwc.getNetworkListeners().getNetworkListener();
if ( (lss != null) && (!lss.isEmpty()) ) {
for (NetworkListener ls : lss) {
if (ServerTags.ADMIN_LISTENER_ID.equals(ls.getName())) {
if(ls.findThreadPool() != null) {
poolSize = Integer.valueOf(ls.findThreadPool().getMaxThreadPoolSize());
}
}
}
}
}
}
svc = Executors.newFixedThreadPool(poolSize, new InstanceStateThreadFactory());
}
public Future<InstanceCommandResult> submitJob(InstanceCommand ice, InstanceCommandResult r) {
FutureTask<InstanceCommandResult> t = new FutureTask<InstanceCommandResult>((Runnable)ice, r);
return svc.submit(t, r);
}
@Override
public Lifecycle getLifecycle() {
return Startup.Lifecycle.SERVER;
}
private class InstanceStateThreadFactory implements ThreadFactory {
public Thread newThread(Runnable runnableObj) {
Thread t = new Thread(runnableObj);
t.setDaemon(true);
return t;
}
}
}