1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one
3 * or more contributor license agreements. See the NOTICE file
4 * distributed with this work for additional information
5 * regarding copyright ownership. The ASF licenses this file
6 * to you under the Apache License, Version 2.0 (the
7 * "License"); you may not use this file except in compliance
8 * with the License. You may obtain a copy of the License at
9 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
17 */
18 package org.apache.hadoop.chukwa.datacollection.collector;
19
20
21 import java.util.ArrayList;
22 import java.util.List;
23 import org.apache.hadoop.chukwa.Chunk;
24 import org.apache.hadoop.chukwa.datacollection.writer.ChukwaWriter;
25 import org.apache.hadoop.chukwa.datacollection.writer.WriterException;
26 import org.apache.hadoop.conf.Configuration;
27 /**
28 * Dumps received chunks into a public static array.
29 * This class is intended for unit tests, only.
30 */
31 public class CaptureWriter implements ChukwaWriter {
32 public static ArrayList<Chunk> outputs = new ArrayList<Chunk>();
33
34 @Override
35 public CommitStatus add(List<Chunk> chunks) throws WriterException {
36
37 synchronized (outputs) {
38 for (Chunk c : chunks)
39 outputs.add(c);
40 }
41 return COMMIT_OK;
42 }
43
44 @Override
45 public void close() throws WriterException {
46 }
47
48 @Override
49 public void init(Configuration c) throws WriterException {
50 }
51
52 }