Java tutorial
/* * 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_grid_cloud_portal.scheduler; import java.io.File; import java.nio.charset.Charset; import java.nio.file.Files; import java.util.Map; import org.apache.commons.io.FileUtils; import org.apache.log4j.Logger; import org.objectweb.proactive.core.util.log.ProActiveLogger; import org.ow2.proactive.scheduler.common.Scheduler; import org.ow2.proactive.scheduler.common.exception.JobCreationException; import org.ow2.proactive.scheduler.common.exception.NotConnectedException; import org.ow2.proactive.scheduler.common.exception.PermissionException; import org.ow2.proactive.scheduler.common.exception.SubmissionClosedException; import org.ow2.proactive.scheduler.common.job.Job; import org.ow2.proactive.scheduler.common.job.JobId; import org.ow2.proactive.scheduler.common.job.factories.JobFactory; import org.ow2.proactive.scheduler.core.properties.PASchedulerProperties; import org.ow2.proactive_grid_cloud_portal.scheduler.exception.JobCreationRestException; import org.ow2.proactive_grid_cloud_portal.scheduler.exception.NotConnectedRestException; import org.ow2.proactive_grid_cloud_portal.scheduler.exception.PermissionRestException; import org.ow2.proactive_grid_cloud_portal.scheduler.exception.SubmissionClosedRestException; import org.ow2.proactive_grid_cloud_portal.webapp.PortalConfiguration; public class WorkflowSubmitter { private static final Logger logger = ProActiveLogger.getLogger(WorkflowSubmitter.class); private static final String FILE_ENCODING = PASchedulerProperties.FILE_ENCODING.getValueAsString(); private Scheduler scheduler; public WorkflowSubmitter(Scheduler scheduler) { this.scheduler = scheduler; } /** * Submits a workflow to the scheduler (XML or archive). * It also creates a job visualization HTML file. * * @param workflowFile a workflow file (XML or archive) * @param variables variables to be replaced on submission * @return job ID of the job created for the specified workflow and associated variables. * @throws JobCreationRestException * @throws NotConnectedRestException * @throws PermissionRestException * @throws SubmissionClosedRestException */ public JobId submit(File workflowFile, Map<String, String> variables) throws NotConnectedRestException, PermissionRestException, SubmissionClosedRestException, JobCreationRestException { try { Job job = createJobObject(workflowFile, variables); JobId jobId = scheduler.submit(job); // Create Job's SVG visualization file String visualization = job.getVisualization(); if (visualization != null && !visualization.isEmpty()) { File visualizationFile = new File(PortalConfiguration.jobIdToPath(jobId.value()) + ".html"); Files.deleteIfExists(visualizationFile.toPath()); FileUtils.write(new File(visualizationFile.getAbsolutePath()), job.getVisualization(), Charset.forName(FILE_ENCODING)); } return jobId; } catch (NotConnectedException e) { throw new NotConnectedRestException(e); } catch (PermissionException e) { throw new PermissionRestException(e); } catch (SubmissionClosedException e) { throw new SubmissionClosedRestException(e); } catch (JobCreationException e) { throw new JobCreationRestException(e); } catch (Exception e) { logger.warn("Unexpected error when submitting job", e); throw new JobCreationRestException(e); } } private Job createJobObject(File jobFile, Map<String, String> jobVariables) throws JobCreationException { return JobFactory.getFactory().createJob(jobFile.getAbsolutePath(), jobVariables); } }