Package eu.stratosphere.runtime.fs.hdfs

Source Code of eu.stratosphere.runtime.fs.hdfs.DistributedFileStatus

/***********************************************************************************************************************
* Copyright (C) 2010-2013 by the Stratosphere project (http://stratosphere.eu)
*
* Licensed 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 eu.stratosphere.runtime.fs.hdfs;

import eu.stratosphere.core.fs.FileStatus;
import eu.stratosphere.core.fs.Path;

/**
* Concrete implementation of the {@link FileStatus} interface for the
* Hadoop Distribution File System.
*
*/
public final class DistributedFileStatus implements FileStatus {

  private org.apache.hadoop.fs.FileStatus fileStatus;

  /**
   * Creates a new file status from a HDFS file status.
   *
   * @param fileStatus
   *        the HDFS file status
   */
  public DistributedFileStatus(org.apache.hadoop.fs.FileStatus fileStatus) {
    this.fileStatus = fileStatus;
  }

  @Override
  public long getLen() {

    return fileStatus.getLen();
  }

  @Override
  public long getBlockSize() {

    long blocksize = fileStatus.getBlockSize();
    if (blocksize > fileStatus.getLen()) {
      return fileStatus.getLen();
    }

    return blocksize;
  }

  @Override
  public long getAccessTime() {

    return fileStatus.getAccessTime();
  }

  @Override
  public long getModificationTime() {

    return fileStatus.getModificationTime();
  }

  @Override
  public short getReplication() {

    return fileStatus.getReplication();
  }

  public org.apache.hadoop.fs.FileStatus getInternalFileStatus() {
    return this.fileStatus;
  }

  @Override
  public Path getPath() {

    return new Path(fileStatus.getPath().toString());
  }

  @Override
  public boolean isDir() {

    return fileStatus.isDir();
  }
}
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