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.tests.group; 020 021import org.apache.reef.io.network.group.api.task.CommunicationGroupClient; 022import org.apache.reef.io.network.group.api.task.GroupCommClient; 023import org.apache.reef.task.Task; 024 025import javax.inject.Inject; 026 027/** 028 * Master task used for testing multiple communication groups. 029 */ 030public final class MasterTask implements Task { 031 032 private CommunicationGroupClient commGroupClient; 033 034 @Inject 035 private MasterTask(final GroupCommClient groupCommClient) { 036 this.commGroupClient = groupCommClient.getCommunicationGroup(MultipleCommGroupsDriver.Group1.class); 037 if (commGroupClient == null) { 038 commGroupClient = groupCommClient.getCommunicationGroup(MultipleCommGroupsDriver.Group2.class); 039 } 040 } 041 042 @Override 043 public byte[] call(final byte[] memento) throws Exception { 044 commGroupClient.getBroadcastSender(MultipleCommGroupsDriver.BroadcastOperatorName.class).send("Hello"); 045 return null; 046 } 047}