Package eu.stratosphere.core.fs.local

Source Code of eu.stratosphere.core.fs.local.LocalFileStatus

/***********************************************************************************************************************
* 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.core.fs.local;

import java.io.File;

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

/**
* The class <code>LocalFileStatus</code> provides an implementation of the {@link FileStatus} interface
* for the local file system.
*
*/
public class LocalFileStatus implements FileStatus {

  /**
   * The file this file status belongs to.
   */
  private final File file;

  /**
   * The path of this file this file status belongs to.
   */
  private final Path path;

  /**
   * Creates a <code>LocalFileStatus</code> object from a given {@link File} object.
   *
   * @param f
   *        the {@link File} object this <code>LocalFileStatus</code> refers to
   * @param fs
   *        the file system the corresponding file has been read from
   */
  public LocalFileStatus(final File f, final FileSystem fs) {
    this.file = f;
    this.path = new Path(fs.getUri().getScheme() + ":" + f.toURI().getPath());
  }


  @Override
  public long getAccessTime() {
    return 0; // We don't have access files for local files
  }


  @Override
  public long getBlockSize() {
    return this.file.length();
  }


  @Override
  public long getLen() {
    return this.file.length();
  }


  @Override
  public long getModificationTime() {
    return this.file.lastModified();
  }


  @Override
  public short getReplication() {
    return 1; // For local files replication is always 1
  }


  @Override
  public boolean isDir() {
    return this.file.isDirectory();
  }


  @Override
  public Path getPath() {
    return this.path;
  }
 
  public File getFile() {
    return this.file;
  }
}
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