| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package org.apache.oodt.cas.resource.mux; |
| |
| import java.util.logging.Level; |
| import java.util.logging.Logger; |
| |
| import org.apache.oodt.cas.resource.jobqueue.JobQueue; |
| import org.apache.oodt.cas.resource.jobqueue.JobStackJobQueueFactory; |
| import org.apache.oodt.cas.resource.queuerepo.XmlQueueRepositoryFactory; |
| import org.apache.oodt.cas.resource.scheduler.QueueManager; |
| import org.apache.oodt.cas.resource.scheduler.Scheduler; |
| import org.apache.oodt.cas.resource.scheduler.SchedulerFactory; |
| import org.apache.oodt.cas.resource.structs.exceptions.RepositoryException; |
| import org.apache.oodt.cas.resource.util.GenericResourceManagerObjectFactory; |
| |
| /** |
| * This class acts as a factory for the whole queue-mux |
| * set of classes. |
| * |
| * @author starchmd |
| */ |
| public class QueueMuxSchedulerFactory implements SchedulerFactory { |
| |
| private static final Logger LOG = Logger.getLogger(QueueMuxSchedulerFactory.class.getName()); |
| |
| BackendManager backend; |
| QueueManager qManager; |
| JobQueue jobQueue; |
| /** |
| * ctor |
| */ |
| public QueueMuxSchedulerFactory() { |
| //Load backend manager |
| String backRepo = System.getProperty("resource.backend.mux.repository", |
| XmlBackendRepository.class.getCanonicalName()); |
| try { |
| backend = GenericResourceManagerObjectFactory.getBackendRepositoryFromFactory(backRepo).load(); |
| } catch (RepositoryException e) { |
| LOG.log(Level.SEVERE,"Error loading backend repository: "+e.getMessage(),e); |
| backend = null; |
| } |
| //Load user-specified queue factory |
| String qFact = System.getProperty("org.apache.oodt.cas.resource.queues.repo.factory", |
| XmlQueueRepositoryFactory.class.getCanonicalName()); |
| qManager = GenericResourceManagerObjectFactory.getQueueRepositoryFromFactory( |
| qFact).loadQueues(); |
| //Load job queue |
| String jobFact = System.getProperty("resource.jobqueue.factory", |
| JobStackJobQueueFactory.class.getCanonicalName()); |
| jobQueue = GenericResourceManagerObjectFactory |
| .getJobQueueServiceFromFactory(jobFact); |
| } |
| |
| @Override |
| public Scheduler createScheduler() { |
| return new QueueMuxScheduler(this.backend, this.qManager, this.jobQueue); |
| } |
| } |