HDFSTestWriterFactory.java

/*
 * 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.flume.sink.hdfs;

import java.io.IOException;
import java.util.concurrent.atomic.AtomicInteger;

public class HDFSTestWriterFactory extends HDFSWriterFactory {
  static final String TestSequenceFileType = "SequenceFile";
  static final String BadDataStreamType = "DataStream";

  // so we can get a handle to this one in our test.
  AtomicInteger openCount = new AtomicInteger(0);

  @Override
  public HDFSWriter getWriter(String fileType) throws IOException {
    if (fileType == TestSequenceFileType) {
      return new HDFSTestSeqWriter(openCount.incrementAndGet());
    } else if (fileType == BadDataStreamType) {
      return new HDFSBadDataStream();
    } else {
      throw new IOException("File type " + fileType + " not supported");
    }
  }
}