| /* |
| * 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.work; |
| |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| import edu.uci.ics.hyracks.api.exceptions.HyracksException; |
| import edu.uci.ics.hyracks.api.util.JavaSerializationUtils; |
| import edu.uci.ics.hyracks.control.cc.ClusterControllerService; |
| import edu.uci.ics.hyracks.control.cc.NodeControllerState; |
| import edu.uci.ics.hyracks.control.cc.application.CCApplicationContext; |
| import edu.uci.ics.hyracks.control.common.application.ApplicationStatus; |
| import edu.uci.ics.hyracks.control.common.base.INodeController; |
| import edu.uci.ics.hyracks.control.common.work.AbstractWork; |
| import edu.uci.ics.hyracks.control.common.work.IResultCallback; |
| |
| public class ApplicationStartWork extends AbstractWork { |
| private final ClusterControllerService ccs; |
| private final String appName; |
| private final IResultCallback<Object> callback; |
| |
| public ApplicationStartWork(ClusterControllerService ccs, String appName, IResultCallback<Object> callback) { |
| this.ccs = ccs; |
| this.appName = appName; |
| this.callback = callback; |
| } |
| |
| @Override |
| public void run() { |
| try { |
| final CCApplicationContext appCtx = ccs.getApplicationMap().get(appName); |
| if (appCtx == null) { |
| callback.setException(new HyracksException("No application with name: " + appName)); |
| return; |
| } |
| if (appCtx.getStatus() != ApplicationStatus.CREATED) { |
| callback.setException(new HyracksException("Application in incorrect state for starting: " |
| + appCtx.getStatus())); |
| } |
| final Map<String, NodeControllerState> nodeMapCopy = new HashMap<String, NodeControllerState>( |
| ccs.getNodeMap()); |
| appCtx.getInitializationPendingNodeIds().addAll(nodeMapCopy.keySet()); |
| appCtx.setStatus(ApplicationStatus.IN_INITIALIZATION); |
| appCtx.setInitializationCallback(callback); |
| ccs.getExecutor().execute(new Runnable() { |
| @Override |
| public void run() { |
| try { |
| appCtx.initializeClassPath(); |
| appCtx.initialize(); |
| final byte[] distributedState = JavaSerializationUtils.serialize(appCtx.getDistributedState()); |
| final boolean deployHar = appCtx.containsHar(); |
| for (final String nodeId : nodeMapCopy.keySet()) { |
| NodeControllerState nodeState = nodeMapCopy.get(nodeId); |
| final INodeController node = nodeState.getNodeController(); |
| node.createApplication(appName, deployHar, distributedState); |
| } |
| } catch (Exception e) { |
| callback.setException(e); |
| } |
| } |
| }); |
| } catch (Exception e) { |
| callback.setException(e); |
| } |
| } |
| } |