| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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 at |
| * |
| * 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 org.apache.hadoop.mapred.nativetask.testutil; |
| |
| import java.io.DataInput; |
| import java.io.DataOutput; |
| import java.io.IOException; |
| import java.util.Random; |
| |
| import org.apache.hadoop.io.LongWritable; |
| import org.apache.hadoop.io.Text; |
| import org.apache.hadoop.io.Writable; |
| import org.apache.hadoop.mapred.nativetask.util.BytesUtil; |
| |
| public class MockValueClass implements Writable { |
| private final static int DEFAULT_ARRAY_LENGTH = 16; |
| private int a = 0; |
| private byte[] array; |
| private final LongWritable longWritable; |
| private final Text txt; |
| private final Random rand = new Random(); |
| |
| public MockValueClass() { |
| a = rand.nextInt(); |
| array = new byte[DEFAULT_ARRAY_LENGTH]; |
| rand.nextBytes(array); |
| longWritable = new LongWritable(rand.nextLong()); |
| txt = new Text(BytesUtil.toStringBinary(array)); |
| } |
| |
| public MockValueClass(byte[] seed) { |
| a = seed.length; |
| array = new byte[seed.length]; |
| System.arraycopy(seed, 0, array, 0, seed.length); |
| longWritable = new LongWritable(a); |
| txt = new Text(BytesUtil.toStringBinary(array)); |
| } |
| |
| public void set(byte[] seed) { |
| a = seed.length; |
| array = new byte[seed.length]; |
| System.arraycopy(seed, 0, array, 0, seed.length); |
| longWritable.set(a); |
| txt.set(BytesUtil.toStringBinary(array)); |
| } |
| |
| @Override |
| public void write(DataOutput out) throws IOException { |
| out.writeInt(a); |
| out.writeInt(array.length); |
| out.write(array); |
| longWritable.write(out); |
| txt.write(out); |
| } |
| |
| @Override |
| public void readFields(DataInput in) throws IOException { |
| a = in.readInt(); |
| final int length = in.readInt(); |
| array = new byte[length]; |
| in.readFully(array); |
| longWritable.readFields(in); |
| txt.readFields(in); |
| } |
| } |