com.sun.enterprise.admin.util.CommandThreadPool Maven / Gradle / Ivy
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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 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 submitJob(InstanceCommand ice, InstanceCommandResult r) {
FutureTask t = new FutureTask((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;
}
}
}