Source code

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
027public class StatePassingTask implements Task {
028
029
030  private final Counter c;
031
032  @Inject
033  public StatePassingTask(final Counter c) {
034    this.c = c;
035  }
036
037
038  private static byte[] makeArray(final int size, final byte value) {
039    final byte[] result = new byte[size];
040    Arrays.fill(result, value);
041    return result;
042  }
043
044
045  @Override
046  public byte[] call(byte[] memento) throws Exception {
047    this.c.increment();
048    return makeArray(this.c.getValue(), (byte) 1);
049  }
050}