| /* |
| * Copyright 2009-2010 by The Regents of the University of California |
| * Licensed 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 from |
| * |
| * 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 edu.uci.ics.hyracks.control.cc.application; |
| |
| import java.io.IOException; |
| import java.io.Serializable; |
| import java.util.ArrayList; |
| import java.util.HashSet; |
| import java.util.List; |
| import java.util.Set; |
| |
| import edu.uci.ics.hyracks.api.application.ICCApplicationContext; |
| import edu.uci.ics.hyracks.api.application.ICCBootstrap; |
| import edu.uci.ics.hyracks.api.context.ICCContext; |
| import edu.uci.ics.hyracks.api.exceptions.HyracksException; |
| import edu.uci.ics.hyracks.api.job.IJobLifecycleListener; |
| import edu.uci.ics.hyracks.api.job.IJobSpecificationFactory; |
| import edu.uci.ics.hyracks.api.job.JobId; |
| import edu.uci.ics.hyracks.api.job.JobSpecification; |
| import edu.uci.ics.hyracks.control.cc.job.DeserializingJobSpecificationFactory; |
| import edu.uci.ics.hyracks.control.common.application.ApplicationContext; |
| import edu.uci.ics.hyracks.control.common.context.ServerContext; |
| import edu.uci.ics.hyracks.control.common.work.IResultCallback; |
| |
| public class CCApplicationContext extends ApplicationContext implements ICCApplicationContext { |
| private final ICCContext ccContext; |
| |
| protected final Set<String> initPendingNodeIds; |
| protected final Set<String> deinitPendingNodeIds; |
| |
| protected IResultCallback<Object> initializationCallback; |
| protected IResultCallback<Object> deinitializationCallback; |
| |
| private IJobSpecificationFactory jobSpecFactory; |
| |
| private List<IJobLifecycleListener> jobLifecycleListeners; |
| |
| public CCApplicationContext(ServerContext serverCtx, ICCContext ccContext, String appName) throws IOException { |
| super(serverCtx, appName); |
| this.ccContext = ccContext; |
| initPendingNodeIds = new HashSet<String>(); |
| deinitPendingNodeIds = new HashSet<String>(); |
| jobSpecFactory = DeserializingJobSpecificationFactory.INSTANCE; |
| jobLifecycleListeners = new ArrayList<IJobLifecycleListener>(); |
| } |
| |
| @Override |
| protected void start() throws Exception { |
| ((ICCBootstrap) bootstrap).setApplicationContext(this); |
| bootstrap.start(); |
| } |
| |
| public ICCContext getCCContext() { |
| return ccContext; |
| } |
| |
| @Override |
| public void setJobSpecificationFactory(IJobSpecificationFactory jobSpecFactory) { |
| this.jobSpecFactory = jobSpecFactory; |
| } |
| |
| public JobSpecification createJobSpecification(byte[] bytes) throws HyracksException { |
| return jobSpecFactory.createJobSpecification(bytes, (ICCBootstrap) bootstrap, this); |
| } |
| |
| @Override |
| protected void stop() throws Exception { |
| if (bootstrap != null) { |
| bootstrap.stop(); |
| } |
| } |
| |
| @Override |
| public void setDistributedState(Serializable state) { |
| this.distributedState = state; |
| } |
| |
| @Override |
| public void addJobLifecycleListener(IJobLifecycleListener jobLifecycleListener) { |
| jobLifecycleListeners.add(jobLifecycleListener); |
| } |
| |
| public synchronized void notifyJobStart(JobId jobId) throws HyracksException { |
| for (IJobLifecycleListener l : jobLifecycleListeners) { |
| l.notifyJobStart(jobId); |
| } |
| } |
| |
| public synchronized void notifyJobFinish(JobId jobId) throws HyracksException { |
| for (IJobLifecycleListener l : jobLifecycleListeners) { |
| l.notifyJobFinish(jobId); |
| } |
| } |
| |
| public synchronized void notifyJobCreation(JobId jobId, JobSpecification specification) throws HyracksException { |
| for (IJobLifecycleListener l : jobLifecycleListeners) { |
| l.notifyJobCreation(jobId, specification); |
| } |
| } |
| |
| public Set<String> getInitializationPendingNodeIds() { |
| return initPendingNodeIds; |
| } |
| |
| public Set<String> getDeinitializationPendingNodeIds() { |
| return deinitPendingNodeIds; |
| } |
| |
| public IResultCallback<Object> getInitializationCallback() { |
| return initializationCallback; |
| } |
| |
| public void setInitializationCallback(IResultCallback<Object> initializationCallback) { |
| this.initializationCallback = initializationCallback; |
| } |
| |
| public IResultCallback<Object> getDeinitializationCallback() { |
| return deinitializationCallback; |
| } |
| |
| public void setDeinitializationCallback(IResultCallback<Object> deinitializationCallback) { |
| this.deinitializationCallback = deinitializationCallback; |
| } |
| } |