| /* |
| * 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.scheduler; |
| |
| //JAVA imports |
| import java.util.logging.Level; |
| import java.util.logging.Logger; |
| |
| //OODT imports |
| import org.apache.oodt.cas.resource.queuerepo.XmlQueueRepositoryFactory; |
| import org.apache.oodt.cas.resource.util.GenericResourceManagerObjectFactory; |
| import org.apache.oodt.cas.resource.jobqueue.JobQueue; |
| import org.apache.oodt.cas.resource.monitor.Monitor; |
| import org.apache.oodt.cas.resource.batchmgr.Batchmgr; |
| |
| /** |
| * @author woollard |
| * @author bfoster |
| * @version $Revision$ |
| * |
| * <p> |
| * A Least recently used scheduler factory interface. |
| * </p> |
| * |
| */ |
| public class LRUSchedulerFactory implements SchedulerFactory { |
| |
| private static final Logger LOG = Logger |
| .getLogger(LRUSchedulerFactory.class.getName()); |
| |
| /* |
| * a list of URIs pointing to directories that have the |
| * node-to-queue-mapping.xml files |
| */ |
| private LRUQueueManager queueManager; |
| |
| /* our monitor */ |
| private Monitor mon = null; |
| |
| /* our batchmgr */ |
| private Batchmgr batcher = null; |
| |
| /* our job queue */ |
| private JobQueue queue = null; |
| |
| public LRUSchedulerFactory() { |
| String queueRepoFactoryClassStr = System.getProperty( |
| "org.apache.oodt.cas.resource.queues.repo.factory", |
| XmlQueueRepositoryFactory.class.getCanonicalName()); |
| String batchmgrClassStr = System |
| .getProperty("resource.batchmgr.factory", |
| "org.apache.oodt.cas.resource.batchmgr.XmlRpcBatchmgrFactory"); |
| String monitorClassStr = System |
| .getProperty("resource.monitor.factory", |
| "org.apache.oodt.cas.resource.monitor.AssignmentMonitorFactory"); |
| |
| String jobQueueClassStr = System |
| .getProperty("resource.jobqueue.factory", |
| "org.apache.oodt.cas.resource.jobqueue.JobStackJobQueueFactory"); |
| |
| try { |
| queueManager = new LRUQueueManager( |
| GenericResourceManagerObjectFactory |
| .getQueueRepositoryFromFactory( |
| queueRepoFactoryClassStr).loadQueues()); |
| } catch (Exception e) { |
| LOG.log(Level.SEVERE, "Failed to create queue manager : " |
| + e.getMessage(), e); |
| queueManager = null; |
| } |
| batcher = GenericResourceManagerObjectFactory |
| .getBatchmgrServiceFromFactory(batchmgrClassStr); |
| mon = GenericResourceManagerObjectFactory |
| .getMonitorServiceFromFactory(monitorClassStr); |
| |
| queue = GenericResourceManagerObjectFactory |
| .getJobQueueServiceFromFactory(jobQueueClassStr); |
| |
| // set the monitor for this batcher |
| batcher.setMonitor(mon); |
| |
| // set the job repo for this batcher |
| batcher.setJobRepository(queue.getJobRepository()); |
| |
| } |
| |
| public Scheduler createScheduler() { |
| return new LRUScheduler(mon, batcher, queue, queueManager); |
| } |
| |
| } |