View Javadoc

1   /**
2    * Copyright 2010 The Apache Software Foundation
3    *
4    * Licensed to the Apache Software Foundation (ASF) under one
5    * or more contributor license agreements.  See the NOTICE file
6    * distributed with this work for additional information
7    * regarding copyright ownership.  The ASF licenses this file
8    * to you under the Apache License, Version 2.0 (the
9    * "License"); you may not use this file except in compliance
10   * with the License.  You may obtain a copy of the License at
11   *
12   *     http://www.apache.org/licenses/LICENSE-2.0
13   *
14   * Unless required by applicable law or agreed to in writing, software
15   * distributed under the License is distributed on an "AS IS" BASIS,
16   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
17   * See the License for the specific language governing permissions and
18   * limitations under the License.
19   */
20  package org.apache.hadoop.hbase.client;
21  
22  /**
23   * Holds row name and lock id.
24   */
25  public class RowLock {
26    private byte [] row = null;
27    private long lockId = -1L;
28  
29    /**
30     * Creates a RowLock from a row and lock id
31     * @param row row to lock on
32     * @param lockId the lock id
33     */
34    public RowLock(final byte [] row, final long lockId) {
35      this.row = row;
36      this.lockId = lockId;
37    }
38  
39    /**
40     * Creates a RowLock with only a lock id
41     * @param lockId lock id
42     */
43    public RowLock(final long lockId) {
44      this.lockId = lockId;
45    }
46  
47    /**
48     * Get the row for this RowLock
49     * @return the row
50     */
51    public byte [] getRow() {
52      return row;
53    }
54  
55    /**
56     * Get the lock id from this RowLock
57     * @return the lock id
58     */
59    public long getLockId() {
60      return lockId;
61    }
62  }