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 */
018package org.apache.hadoop.hdfs.protocol;
019
020import org.apache.hadoop.classification.InterfaceAudience;
021import org.apache.hadoop.classification.InterfaceStability;
022import org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.FsPermissionProto;
023import org.apache.hadoop.hdfs.server.namenode.snapshot.Snapshot;
024
025/**
026 * SnapshotInfo maintains information for a snapshot
027 */
028@InterfaceAudience.Private
029@InterfaceStability.Evolving
030public class SnapshotInfo {
031  private final String snapshotName;
032  private final String snapshotRoot;
033  private final String createTime;
034  private final FsPermissionProto permission;
035  private final String owner;
036  private final String group;
037
038  public SnapshotInfo(String sname, String sroot, String ctime,
039      FsPermissionProto permission, String owner, String group) {
040    this.snapshotName = sname;
041    this.snapshotRoot = sroot;
042    this.createTime = ctime;
043    this.permission = permission;
044    this.owner = owner;
045    this.group = group;
046  }
047
048  final public String getSnapshotName() {
049    return snapshotName;
050  }
051
052  final public String getSnapshotRoot() {
053    return snapshotRoot;
054  }
055
056  final public String getCreateTime() {
057    return createTime;
058  }
059  
060  final public FsPermissionProto getPermission() {
061    return permission;
062  }
063  
064  final public String getOwner() {
065    return owner;
066  }
067  
068  final public String getGroup() {
069    return group;
070  }
071  
072  @Override
073  public String toString() {
074    return getClass().getSimpleName()
075        + "{snapshotName=" + snapshotName
076        + "; snapshotRoot=" + snapshotRoot
077        + "; createTime=" + createTime
078        + "; permission=" + permission
079        + "; owner=" + owner
080        + "; group=" + group
081        + "}";
082  }
083
084  public static class Bean {
085    private final String snapshotID;
086    private final String snapshotDirectory;
087    private final long modificationTime;
088
089    public Bean(String snapshotID, String snapshotDirectory,
090        long modificationTime) {
091      this.snapshotID = snapshotID;
092      this.snapshotDirectory = snapshotDirectory;
093      this.modificationTime = modificationTime;
094    }
095
096    public String getSnapshotID() {
097      return snapshotID;
098    }
099
100    public String getSnapshotDirectory() {
101      return snapshotDirectory;
102    }
103
104    public long getModificationTime() {
105      return modificationTime;
106    }
107  }
108}