001/**
002 * Licensed to the Apache Software Foundation (ASF) under one
003 * or more contributor license agreements.  See the NOTICE file
004 * distributed with this work for additional information
005 * regarding copyright ownership.  The ASF licenses this file
006 * to you under the Apache License, Version 2.0 (the
007 * "License"); you may not use this file except in compliance
008 * with the License.  You may obtain a copy of the License at
009 *
010 *     http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing, software
013 * distributed under the License is distributed on an "AS IS" BASIS,
014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015 * See the License for the specific language governing permissions and
016 * limitations under the License.
017 */
018
019package org.apache.hadoop.fs;
020
021import java.io.DataInput;
022import java.io.DataOutput;
023import java.io.IOException;
024import java.util.List;
025
026
027public interface PathId {
028
029  public String getFid();
030
031  public long[] getIPs();
032  
033  public void setFid(String fid);
034 
035  public void setIps(long[] ips);
036 
037  public void setIps(List<Long> ips);
038
039  public void writeFields(DataOutput out) throws IOException;
040
041  public void readFields(DataInput in) throws IOException;
042}