metron-streaming/Metron-Indexing/src/main/java/org/apache/metron/writer/hdfs/SourceAwareMoveAction.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.metron.writer.hdfs;

import org.apache.hadoop.fs.FileSystem;
import org.apache.hadoop.fs.Path;
import org.apache.log4j.Logger;
import org.apache.storm.hdfs.common.rotation.RotationAction;

import java.io.IOException;

public class SourceAwareMoveAction implements RotationAction{
  private static final Logger LOG = Logger.getLogger(SourceHandler.class);
  private String destination;

  public SourceAwareMoveAction toDestination(String destDir){
    destination = destDir;
    return this;
  }

  private static String getSource(Path filePath) {
    return filePath.getParent().getName();
  }

  @Override
  public void execute(FileSystem fileSystem, Path filePath) throws IOException {
    Path destPath = new Path(new Path(destination, getSource(filePath)), filePath.getName());
    LOG.info("Moving file " + filePath + " to " + destPath);
    boolean success = fileSystem.rename(filePath, destPath);
    return;
  }
}