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.regionserver;
21
22 public interface CompactionRequestor {
23 /**
24 * @param r Region to compact
25 * @param why Why compaction was requested -- used in debug messages
26 */
27 public void requestCompaction(final HRegion r, final String why);
28
29 /**
30 * @param r Region to compact
31 * @param s Store within region to compact
32 * @param why Why compaction was requested -- used in debug messages
33 */
34 public void requestCompaction(final HRegion r, final Store s, final String why);
35
36 /**
37 * @param r Region to compact
38 * @param why Why compaction was requested -- used in debug messages
39 * @param pri Priority of this compaction. minHeap. <=0 is critical
40 */
41 public void requestCompaction(final HRegion r, final String why, int pri);
42
43 /**
44 * @param r Region to compact
45 * @param s Store within region to compact
46 * @param why Why compaction was requested -- used in debug messages
47 * @param pri Priority of this compaction. minHeap. <=0 is critical
48 */
49 public void requestCompaction(final HRegion r, final Store s,
50 final String why, int pri);
51
52 }