| /* |
| * 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.pregelix.runtime.touchpoint; |
| |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.mapreduce.TaskAttemptContext; |
| import org.apache.hadoop.mapreduce.TaskAttemptID; |
| |
| import edu.uci.ics.hyracks.api.context.IHyracksTaskContext; |
| import edu.uci.ics.hyracks.api.exceptions.HyracksDataException; |
| import edu.uci.ics.hyracks.hdfs.ContextFactory; |
| import edu.uci.ics.pregelix.api.graph.Vertex; |
| import edu.uci.ics.pregelix.api.util.BspUtils; |
| import edu.uci.ics.pregelix.dataflow.base.IConfigurationFactory; |
| import edu.uci.ics.pregelix.dataflow.std.base.IRuntimeHook; |
| import edu.uci.ics.pregelix.dataflow.std.base.IRuntimeHookFactory; |
| |
| public class RuntimeHookFactory implements IRuntimeHookFactory { |
| |
| private static final long serialVersionUID = 1L; |
| private final IConfigurationFactory confFactory; |
| |
| public RuntimeHookFactory(IConfigurationFactory confFactory) { |
| this.confFactory = confFactory; |
| } |
| |
| @Override |
| public IRuntimeHook createRuntimeHook() { |
| |
| return new IRuntimeHook() { |
| private ContextFactory ctxFactory = new ContextFactory(); |
| |
| @Override |
| public void configure(IHyracksTaskContext ctx) throws HyracksDataException { |
| Configuration conf = confFactory.createConfiguration(ctx); |
| try { |
| TaskAttemptContext mapperContext = ctxFactory.createContext(conf, new TaskAttemptID()); |
| mapperContext.getConfiguration().setClassLoader(ctx.getJobletContext().getClassLoader()); |
| Vertex.setContext(mapperContext); |
| BspUtils.setDefaultConfiguration(conf); |
| } catch (Exception e) { |
| throw new HyracksDataException(e); |
| } |
| } |
| |
| }; |
| } |
| } |