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package org.glassfish.admin.rest.utils;
import com.sun.enterprise.admin.remote.AdminCommandStateImpl;
import com.sun.enterprise.v3.admin.JobManagerService;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;
import java.util.logging.Level;
import org.glassfish.admin.rest.RestLogging;
import org.glassfish.api.admin.AdminCommandEventBroker;
import org.glassfish.api.admin.AdminCommandState;
import org.glassfish.api.admin.CommandRunner;
import org.glassfish.internal.api.Globals;
/**
*
* @author jdlee
*/
public class DetachedCommandHelper implements Runnable, AdminCommandEventBroker.AdminCommandListener {
private final CommandRunner.CommandInvocation commandInvocation;
private CountDownLatch latch;
private String jobId;
private AdminCommandEventBroker broker;
private DetachedCommandHelper(final CommandRunner.CommandInvocation commandInvocation, CountDownLatch latch) {
this.commandInvocation = commandInvocation;
this.latch = latch;
}
@Override
public void run() {
commandInvocation.execute();
}
public static String invokeAsync(CommandRunner.CommandInvocation commandInvocation) {
if (commandInvocation == null) {
throw new IllegalArgumentException("commandInvocation");
}
CountDownLatch latch = new CountDownLatch(1);
DetachedCommandHelper helper = new DetachedCommandHelper(commandInvocation, latch);
commandInvocation.listener(".*", helper);
JobManagerService jobManagerService = Globals.getDefaultHabitat().getService(JobManagerService.class);
jobManagerService.getThreadPool().execute(helper);
try {
latch.await(10, TimeUnit.SECONDS);
} catch (InterruptedException ex) {
RestLogging.restLogger.log(Level.SEVERE, null, ex);
}
return helper.jobId;
}
@Override
public void onAdminCommandEvent(final String name, Object event) {
if (name == null || event == null) {
return;
}
if (AdminCommandEventBroker.BrokerListenerRegEvent.EVENT_NAME_LISTENER_REG.equals(name)) {
AdminCommandEventBroker.BrokerListenerRegEvent blre = (AdminCommandEventBroker.BrokerListenerRegEvent) event;
broker = blre.getBroker();
return;
}
if (name.startsWith(AdminCommandEventBroker.LOCAL_EVENT_PREFIX)) {
return; //Prevent events from client to be send back to client
}
if (AdminCommandStateImpl.EVENT_STATE_CHANGED.equals(name)) {
unregister();
AdminCommandState acs = (AdminCommandState) event;
jobId = acs.getId();
latch.countDown();
}
}
private void unregister() {
if (broker != null) {
broker.unregisterListener(this);
}
}
}