SlowDataspacesTaskLauncherFactory.java

/*
 * ProActive Parallel Suite(TM):
 * The Open Source library for parallel and distributed
 * Workflows & Scheduling, Orchestration, Cloud Automation
 * and Big Data Analysis on Enterprise Grids & Clouds.
 *
 * Copyright (c) 2007 - 2017 ActiveEon
 * Contact: contact@activeeon.com
 *
 * This library is free software: you can redistribute it and/or
 * modify it under the terms of the GNU Affero General Public License
 * as published by the Free Software Foundation: version 3 of
 * the License.
 *
 * This program 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 Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 *
 * If needed, contact us to obtain a release under GPL Version 2 or 3
 * or a different license than the AGPL.
 */
package org.ow2.proactive.scheduler.task;

import java.io.File;
import java.util.List;
import java.util.UUID;
import java.util.concurrent.Semaphore;

import org.objectweb.proactive.extensions.dataspaces.core.naming.NamingService;
import org.objectweb.proactive.extensions.dataspaces.exceptions.FileSystemException;
import org.ow2.proactive.scheduler.common.task.TaskId;
import org.ow2.proactive.scheduler.common.task.dataspaces.InputSelector;
import org.ow2.proactive.scheduler.common.task.dataspaces.OutputSelector;
import org.ow2.proactive.scheduler.task.data.TaskDataspaces;
import org.ow2.proactive.scheduler.task.executors.InProcessTaskExecutor;
import org.ow2.proactive.scheduler.task.executors.TaskExecutor;


public class SlowDataspacesTaskLauncherFactory extends ProActiveForkedTaskLauncherFactory {
    private Semaphore taskRunning;

    public SlowDataspacesTaskLauncherFactory() {
    }

    public SlowDataspacesTaskLauncherFactory(Semaphore taskRunning) {
        this.taskRunning = taskRunning;
    }

    @Override
    public TaskDataspaces createTaskDataspaces(TaskId taskId, NamingService namingService, boolean isRunAsUser) {
        return new SlowDataspaces(taskRunning);
    }

    @Override
    public TaskExecutor createTaskExecutor(File workingDir) {
        return new InProcessTaskExecutor();
    }

    private static class SlowDataspaces implements TaskDataspaces {

        private Semaphore taskRunning;

        public SlowDataspaces(Semaphore taskRunning) {
            this.taskRunning = taskRunning;
        }

        @Override
        public File getScratchFolder() {
            return new File(System.getProperty("java.io.tmpdir"), UUID.randomUUID().toString());
        }

        @Override
        public String getScratchURI() {
            return null;
        }

        @Override
        public String getCacheURI() {
            return null;
        }

        @Override
        public String getInputURI() {
            return null;
        }

        @Override
        public String getOutputURI() {
            return null;
        }

        @Override
        public String getUserURI() {
            return null;
        }

        @Override
        public String getGlobalURI() {
            return null;
        }

        @Override
        public void copyInputDataToScratch(List<InputSelector> inputFiles) throws FileSystemException {
            if (taskRunning != null) {
                taskRunning.release();
            }
            try {
                Thread.sleep(10000);
            } catch (InterruptedException e) {
                throw new RuntimeException(e);
            }
        }

        @Override
        public void copyScratchDataToOutput(List<OutputSelector> outputFiles) throws FileSystemException {

        }

        @Override
        public void close() {

        }
    }
}