001/* 002 * Licensed to the Apache Software Foundation (ASF) under one 003 * or more contributor license agreements. See the NOTICE file 004 * distributed with this work for additional information 005 * regarding copyright ownership. The ASF licenses this file 006 * to you under the Apache License, Version 2.0 (the 007 * "License"); you may not use this file except in compliance 008 * with the License. You may obtain a copy of the License at 009 * 010 * http://www.apache.org/licenses/LICENSE-2.0 011 * 012 * Unless required by applicable law or agreed to in writing, 013 * software distributed under the License is distributed on an 014 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 015 * KIND, either express or implied. See the License for the 016 * specific language governing permissions and limitations 017 * under the License. 018 */ 019package org.apache.reef.runtime.common.driver.defaults; 020 021import org.apache.reef.driver.context.ActiveContext; 022import org.apache.reef.driver.task.CompletedTask; 023import org.apache.reef.wake.EventHandler; 024 025import javax.inject.Inject; 026import java.util.logging.Level; 027import java.util.logging.Logger; 028 029/** 030 * Default event handler for CompletedTask: Log it and close the context. 031 */ 032public final class DefaultTaskCompletionHandler implements EventHandler<CompletedTask> { 033 034 private static final Logger LOG = Logger.getLogger(DefaultTaskCompletionHandler.class.getName()); 035 036 @Inject 037 public DefaultTaskCompletionHandler() { 038 } 039 040 @Override 041 public void onNext(final CompletedTask completedTask) { 042 final ActiveContext context = completedTask.getActiveContext(); 043 LOG.log(Level.INFO, "Received CompletedTask: {0} :: CLOSING context: {1}", 044 new Object[]{completedTask, context}); 045 context.close(); 046 } 047}