org.polymap.core.runtime.PolymapJobExecutor.java Source code

Introduction

Here is the source code for org.polymap.core.runtime.PolymapJobExecutor.java

Source

/* 
 * polymap.org
 * Copyright 2012, Falko Brutigam. All rights reserved.
 *
 * 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.
 */
package org.polymap.core.runtime;

import java.util.Collection;
import java.util.List;
import java.util.concurrent.Callable;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Future;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.TimeoutException;

import net.refractions.udig.core.internal.CorePlugin;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.core.runtime.jobs.Job;

/**
 * 
 *
 * @author <a href="http://www.polymap.de">Falko Brutigam</a>
 */
public class PolymapJobExecutor implements ExecutorService {

    private static Log log = LogFactory.getLog(PolymapJobExecutor.class);

    @Override
    public <T> Future<T> submit(final Callable<T> task) {
        Job job = new Job("ExecutorJob") {
            protected IStatus run(IProgressMonitor monitor) {
                try {
                    T resultValue = task.call();
                    setProperty(FutureJobAdapter.RESULT_VALUE_NAME, resultValue);
                    return Status.OK_STATUS;
                } catch (Throwable e) {
                    return new Status(IStatus.ERROR, CorePlugin.ID, e.getLocalizedMessage(), e);
                }
            }
        };
        job.setSystem(true);
        job.setPriority(UIJob.DEFAULT_PRIORITY);
        job.schedule();
        return new FutureJobAdapter(job);
    }

    @Override
    public <T> Future<T> submit(final Runnable task, T result) {
        Job job = new Job("ExecutorJob") {
            protected IStatus run(IProgressMonitor monitor) {
                try {
                    task.run();
                    return Status.OK_STATUS;
                } catch (Throwable e) {
                    return new Status(IStatus.ERROR, CorePlugin.ID, e.getLocalizedMessage(), e);
                }
            }
        };
        job.setProperty(FutureJobAdapter.RESULT_VALUE_NAME, result);
        job.setSystem(true);
        job.setPriority(UIJob.DEFAULT_PRIORITY);
        job.schedule();
        return new FutureJobAdapter(job);
    }

    @Override
    public Future<?> submit(final Runnable task) {
        return submit(task, null);
    }

    @Override
    public void execute(final Runnable command) {
        submit(command);
    }

    @Override
    public <T> List<Future<T>> invokeAll(Collection<? extends Callable<T>> tasks, long timeout, TimeUnit unit)
            throws InterruptedException {
        throw new RuntimeException("not yet implemented.");
    }

    @Override
    public <T> List<Future<T>> invokeAll(Collection<? extends Callable<T>> tasks) throws InterruptedException {
        throw new RuntimeException("not yet implemented.");
    }

    @Override
    public <T> T invokeAny(Collection<? extends Callable<T>> tasks, long timeout, TimeUnit unit)
            throws InterruptedException, ExecutionException, TimeoutException {
        throw new RuntimeException("not yet implemented.");
    }

    @Override
    public <T> T invokeAny(Collection<? extends Callable<T>> tasks)
            throws InterruptedException, ExecutionException {
        throw new RuntimeException("not yet implemented.");
    }

    // service handling ***********************************

    @Override
    public boolean awaitTermination(long timeout, TimeUnit unit) throws InterruptedException {
        // XXX Auto-generated method stub
        throw new RuntimeException("not yet implemented.");
    }

    @Override
    public boolean isShutdown() {
        // XXX Auto-generated method stub
        throw new RuntimeException("not yet implemented.");
    }

    @Override
    public boolean isTerminated() {
        // XXX Auto-generated method stub
        throw new RuntimeException("not yet implemented.");
    }

    @Override
    public void shutdown() {
        // XXX Auto-generated method stub
        throw new RuntimeException("not yet implemented.");
    }

    @Override
    public List<Runnable> shutdownNow() {
        // XXX Auto-generated method stub
        throw new RuntimeException("not yet implemented.");
    }
}