| /* |
| * 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.batchmgr; |
| |
| //OODT imports |
| import org.apache.oodt.cas.resource.jobrepo.JobRepository; |
| import org.apache.oodt.cas.resource.monitor.Monitor; |
| import org.apache.oodt.cas.resource.structs.JobSpec; |
| import org.apache.oodt.cas.resource.structs.Job; |
| import org.apache.oodt.cas.resource.structs.JobStatus; |
| import org.apache.oodt.cas.resource.structs.ResourceNode; |
| import org.apache.oodt.cas.resource.structs.exceptions.JobExecutionException; |
| import org.apache.oodt.cas.resource.structs.exceptions.JobRepositoryException; |
| import org.apache.oodt.cas.resource.structs.exceptions.MonitorException; |
| |
| //JDK imports |
| import java.util.HashMap; |
| import java.util.Map; |
| import java.util.logging.Level; |
| import java.util.logging.Logger; |
| |
| /** |
| * |
| * @author woollard |
| * @version $Revision$ |
| * |
| * <p> |
| * An XML-RPC interface to the batch manager. |
| * </p> |
| */ |
| public class XmlRpcBatchMgr implements Batchmgr { |
| /* our log stream */ |
| private static final Logger LOG = Logger.getLogger(XmlRpcBatchMgr.class |
| .getName()); |
| |
| private Monitor mon; |
| |
| private JobRepository repo; |
| |
| private Map nodeToJobMap; |
| |
| private Map specToProxyMap; |
| |
| public XmlRpcBatchMgr() { |
| nodeToJobMap = new HashMap(); |
| specToProxyMap = new HashMap(); |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.apache.oodt.cas.resource.batchmgr.Batchmgr#executeRemotely(org.apache.oodt.cas.resource.structs.JobSpec, |
| * java.net.URL) |
| */ |
| public boolean executeRemotely(JobSpec jobSpec, ResourceNode resNode) |
| throws JobExecutionException { |
| |
| XmlRpcBatchMgrProxy proxy = new XmlRpcBatchMgrProxy(jobSpec, resNode, |
| this); |
| if (!proxy.nodeAlive()) { |
| throw new JobExecutionException("Node: [" + resNode.getNodeId() |
| + "] is down: Unable to execute job!"); |
| } |
| |
| synchronized (this.specToProxyMap) { |
| specToProxyMap.put(jobSpec.getJob().getId(), proxy); |
| } |
| |
| synchronized (this.nodeToJobMap) { |
| this.nodeToJobMap |
| .put(jobSpec.getJob().getId(), resNode.getNodeId()); |
| } |
| |
| proxy.start(); |
| |
| return true; |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.apache.oodt.cas.resource.batchmgr.Batchmgr#setMonitor(org.apache.oodt.cas.resource.monitor.Monitor) |
| */ |
| public void setMonitor(Monitor monitor) { |
| this.mon = monitor; |
| |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.apache.oodt.cas.resource.batchmgr.Batchmgr#setJobRepository(org.apache.oodt.cas.resource.jobrepo.JobRepository) |
| */ |
| public void setJobRepository(JobRepository repository) { |
| this.repo = repository; |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.apache.oodt.cas.resource.batchmgr.Batchmgr#getExecutionNode(java.lang.String) |
| */ |
| public String getExecutionNode(String jobId) { |
| return (String) nodeToJobMap.get(jobId); |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.apache.oodt.cas.resource.batchmgr.Batchmgr#killJob(java.lang.String, |
| * org.apache.oodt.cas.resource.structs.ResourceNode) |
| */ |
| public boolean killJob(String jobId, ResourceNode node) { |
| JobSpec spec = null; |
| try { |
| spec = repo.getJobById(jobId); |
| } catch (Exception e) { |
| LOG.log(Level.WARNING, "Unable to get job by id: [" + jobId |
| + "] to kill it: Message: " + e.getMessage()); |
| return false; |
| } |
| |
| XmlRpcBatchMgrProxy proxy = new XmlRpcBatchMgrProxy(spec, node, this); |
| return proxy.killJob(); |
| } |
| |
| protected void notifyMonitor(ResourceNode node, JobSpec jobSpec) { |
| Job job = jobSpec.getJob(); |
| int reducedLoad = job.getLoadValue().intValue(); |
| try { |
| mon.reduceLoad(node, reducedLoad); |
| } catch (MonitorException e) { |
| } |
| } |
| |
| protected void jobSuccess(JobSpec spec) { |
| spec.getJob().setStatus(JobStatus.SUCCESS); |
| synchronized (this.nodeToJobMap) { |
| this.nodeToJobMap.remove(spec.getJob().getId()); |
| } |
| synchronized (this.specToProxyMap) { |
| XmlRpcBatchMgrProxy proxy = (XmlRpcBatchMgrProxy) this.specToProxyMap |
| .remove(spec.getJob().getId()); |
| if (proxy != null) { |
| proxy = null; |
| } |
| } |
| |
| try { |
| repo.updateJob(spec); |
| } catch (JobRepositoryException e) { |
| LOG.log(Level.WARNING, "Error set job completion status for job: [" |
| + spec.getJob().getId() + "]: Message: " + e.getMessage()); |
| } |
| } |
| |
| protected void jobFailure(JobSpec spec) { |
| spec.getJob().setStatus(JobStatus.FAILURE); |
| synchronized (this.nodeToJobMap) { |
| this.nodeToJobMap.remove(spec.getJob().getId()); |
| } |
| synchronized (this.specToProxyMap) { |
| XmlRpcBatchMgrProxy proxy = (XmlRpcBatchMgrProxy) this.specToProxyMap |
| .remove(spec.getJob().getId()); |
| if (proxy != null) { |
| proxy = null; |
| } |
| } |
| |
| try { |
| repo.updateJob(spec); |
| } catch (JobRepositoryException e) { |
| LOG.log(Level.WARNING, "Error set job completion status for job: [" |
| + spec.getJob().getId() + "]: Message: " + e.getMessage()); |
| } |
| } |
| |
| protected void jobKilled(JobSpec spec) { |
| spec.getJob().setStatus(JobStatus.KILLED); |
| nodeToJobMap.remove(spec.getJob().getId()); |
| try { |
| repo.updateJob(spec); |
| } catch (JobRepositoryException e) { |
| LOG.log(Level.WARNING, "Error setting job killed status for job: [" |
| + spec.getJob().getId() + "]: Message: " + e.getMessage()); |
| } |
| } |
| |
| protected void jobExecuting(JobSpec spec) { |
| spec.getJob().setStatus(JobStatus.EXECUTED); |
| try { |
| repo.updateJob(spec); |
| } catch (JobRepositoryException e) { |
| LOG.log(Level.WARNING, |
| "Error setting job execution status for job: [" |
| + spec.getJob().getId() + "]: Message: " |
| + e.getMessage()); |
| } |
| } |
| |
| } |