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.statepassing; 020 021 022import org.apache.reef.task.Task; 023 024import javax.inject.Inject; 025import java.util.Arrays; 026 027/** 028 * Task for StatePassingTest. 029 */ 030public class StatePassingTask implements Task { 031 032 private final Counter c; 033 034 @Inject 035 public StatePassingTask(final Counter c) { 036 this.c = c; 037 } 038 039 040 private static byte[] makeArray(final int size, final byte value) { 041 final byte[] result = new byte[size]; 042 Arrays.fill(result, value); 043 return result; 044 } 045 046 @Override 047 public byte[] call(final byte[] memento) throws Exception { 048 this.c.increment(); 049 return makeArray(this.c.getValue(), (byte) 1); 050 } 051}