| <!DOCTYPE HTML> |
| <html lang="en"> |
| <head> |
| <!-- Generated by javadoc (17) --> |
| <title>Source code</title> |
| <meta name="viewport" content="width=device-width, initial-scale=1"> |
| <meta name="description" content="source: package: org.apache.hadoop.hbase.regionserver.querymatcher, class: StripeCompactionScanQueryMatcher"> |
| <meta name="generator" content="javadoc/SourceToHTMLConverter"> |
| <link rel="stylesheet" type="text/css" href="../../../../../../../stylesheet.css" title="Style"> |
| </head> |
| <body class="source-page"> |
| <main role="main"> |
| <div class="source-container"> |
| <pre><span class="source-line-no">001</span><span id="line-1">/*</span> |
| <span class="source-line-no">002</span><span id="line-2"> * Licensed to the Apache Software Foundation (ASF) under one</span> |
| <span class="source-line-no">003</span><span id="line-3"> * or more contributor license agreements. See the NOTICE file</span> |
| <span class="source-line-no">004</span><span id="line-4"> * distributed with this work for additional information</span> |
| <span class="source-line-no">005</span><span id="line-5"> * regarding copyright ownership. The ASF licenses this file</span> |
| <span class="source-line-no">006</span><span id="line-6"> * to you under the Apache License, Version 2.0 (the</span> |
| <span class="source-line-no">007</span><span id="line-7"> * "License"); you may not use this file except in compliance</span> |
| <span class="source-line-no">008</span><span id="line-8"> * with the License. You may obtain a copy of the License at</span> |
| <span class="source-line-no">009</span><span id="line-9"> *</span> |
| <span class="source-line-no">010</span><span id="line-10"> * http://www.apache.org/licenses/LICENSE-2.0</span> |
| <span class="source-line-no">011</span><span id="line-11"> *</span> |
| <span class="source-line-no">012</span><span id="line-12"> * Unless required by applicable law or agreed to in writing, software</span> |
| <span class="source-line-no">013</span><span id="line-13"> * distributed under the License is distributed on an "AS IS" BASIS,</span> |
| <span class="source-line-no">014</span><span id="line-14"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span> |
| <span class="source-line-no">015</span><span id="line-15"> * See the License for the specific language governing permissions and</span> |
| <span class="source-line-no">016</span><span id="line-16"> * limitations under the License.</span> |
| <span class="source-line-no">017</span><span id="line-17"> */</span> |
| <span class="source-line-no">018</span><span id="line-18">package org.apache.hadoop.hbase.regionserver.querymatcher;</span> |
| <span class="source-line-no">019</span><span id="line-19"></span> |
| <span class="source-line-no">020</span><span id="line-20">import java.io.IOException;</span> |
| <span class="source-line-no">021</span><span id="line-21">import org.apache.hadoop.hbase.ExtendedCell;</span> |
| <span class="source-line-no">022</span><span id="line-22">import org.apache.hadoop.hbase.PrivateCellUtil;</span> |
| <span class="source-line-no">023</span><span id="line-23">import org.apache.hadoop.hbase.regionserver.ScanInfo;</span> |
| <span class="source-line-no">024</span><span id="line-24">import org.apache.yetus.audience.InterfaceAudience;</span> |
| <span class="source-line-no">025</span><span id="line-25"></span> |
| <span class="source-line-no">026</span><span id="line-26">/**</span> |
| <span class="source-line-no">027</span><span id="line-27"> * Query matcher for stripe compaction if range drop deletes is used.</span> |
| <span class="source-line-no">028</span><span id="line-28"> */</span> |
| <span class="source-line-no">029</span><span id="line-29">@InterfaceAudience.Private</span> |
| <span class="source-line-no">030</span><span id="line-30">public class StripeCompactionScanQueryMatcher extends DropDeletesCompactionScanQueryMatcher {</span> |
| <span class="source-line-no">031</span><span id="line-31"></span> |
| <span class="source-line-no">032</span><span id="line-32"> private final byte[] dropDeletesFromRow;</span> |
| <span class="source-line-no">033</span><span id="line-33"></span> |
| <span class="source-line-no">034</span><span id="line-34"> private final byte[] dropDeletesToRow;</span> |
| <span class="source-line-no">035</span><span id="line-35"></span> |
| <span class="source-line-no">036</span><span id="line-36"> private enum DropDeletesInOutput {</span> |
| <span class="source-line-no">037</span><span id="line-37"> BEFORE,</span> |
| <span class="source-line-no">038</span><span id="line-38"> IN,</span> |
| <span class="source-line-no">039</span><span id="line-39"> AFTER</span> |
| <span class="source-line-no">040</span><span id="line-40"> }</span> |
| <span class="source-line-no">041</span><span id="line-41"></span> |
| <span class="source-line-no">042</span><span id="line-42"> private DropDeletesInOutput dropDeletesInOutput = DropDeletesInOutput.BEFORE;</span> |
| <span class="source-line-no">043</span><span id="line-43"></span> |
| <span class="source-line-no">044</span><span id="line-44"> public StripeCompactionScanQueryMatcher(ScanInfo scanInfo, DeleteTracker deletes,</span> |
| <span class="source-line-no">045</span><span id="line-45"> ColumnTracker columns, long readPointToUse, long earliestPutTs, long oldestUnexpiredTS,</span> |
| <span class="source-line-no">046</span><span id="line-46"> long now, byte[] dropDeletesFromRow, byte[] dropDeletesToRow) {</span> |
| <span class="source-line-no">047</span><span id="line-47"> super(scanInfo, deletes, columns, readPointToUse, earliestPutTs, oldestUnexpiredTS, now);</span> |
| <span class="source-line-no">048</span><span id="line-48"> this.dropDeletesFromRow = dropDeletesFromRow;</span> |
| <span class="source-line-no">049</span><span id="line-49"> this.dropDeletesToRow = dropDeletesToRow;</span> |
| <span class="source-line-no">050</span><span id="line-50"> }</span> |
| <span class="source-line-no">051</span><span id="line-51"></span> |
| <span class="source-line-no">052</span><span id="line-52"> @Override</span> |
| <span class="source-line-no">053</span><span id="line-53"> public MatchCode match(ExtendedCell cell) throws IOException {</span> |
| <span class="source-line-no">054</span><span id="line-54"> MatchCode returnCode = preCheck(cell);</span> |
| <span class="source-line-no">055</span><span id="line-55"> if (returnCode != null) {</span> |
| <span class="source-line-no">056</span><span id="line-56"> return returnCode;</span> |
| <span class="source-line-no">057</span><span id="line-57"> }</span> |
| <span class="source-line-no">058</span><span id="line-58"> long mvccVersion = cell.getSequenceId();</span> |
| <span class="source-line-no">059</span><span id="line-59"> byte typeByte = cell.getTypeByte();</span> |
| <span class="source-line-no">060</span><span id="line-60"> if (PrivateCellUtil.isDelete(typeByte)) {</span> |
| <span class="source-line-no">061</span><span id="line-61"> if (mvccVersion > maxReadPointToTrackVersions) {</span> |
| <span class="source-line-no">062</span><span id="line-62"> return MatchCode.INCLUDE;</span> |
| <span class="source-line-no">063</span><span id="line-63"> }</span> |
| <span class="source-line-no">064</span><span id="line-64"> trackDelete(cell);</span> |
| <span class="source-line-no">065</span><span id="line-65"> if (dropDeletesInOutput == DropDeletesInOutput.IN) {</span> |
| <span class="source-line-no">066</span><span id="line-66"> // here we are running like major compaction</span> |
| <span class="source-line-no">067</span><span id="line-67"> trackDelete(cell);</span> |
| <span class="source-line-no">068</span><span id="line-68"> returnCode = tryDropDelete(cell);</span> |
| <span class="source-line-no">069</span><span id="line-69"> if (returnCode != null) {</span> |
| <span class="source-line-no">070</span><span id="line-70"> return returnCode;</span> |
| <span class="source-line-no">071</span><span id="line-71"> }</span> |
| <span class="source-line-no">072</span><span id="line-72"> } else {</span> |
| <span class="source-line-no">073</span><span id="line-73"> return MatchCode.INCLUDE;</span> |
| <span class="source-line-no">074</span><span id="line-74"> }</span> |
| <span class="source-line-no">075</span><span id="line-75"> } else {</span> |
| <span class="source-line-no">076</span><span id="line-76"> returnCode = checkDeleted(deletes, cell);</span> |
| <span class="source-line-no">077</span><span id="line-77"> if (returnCode != null) {</span> |
| <span class="source-line-no">078</span><span id="line-78"> return returnCode;</span> |
| <span class="source-line-no">079</span><span id="line-79"> }</span> |
| <span class="source-line-no">080</span><span id="line-80"> }</span> |
| <span class="source-line-no">081</span><span id="line-81"> // Skip checking column since we do not remove column during compaction.</span> |
| <span class="source-line-no">082</span><span id="line-82"> return columns.checkVersions(cell, cell.getTimestamp(), typeByte,</span> |
| <span class="source-line-no">083</span><span id="line-83"> mvccVersion > maxReadPointToTrackVersions);</span> |
| <span class="source-line-no">084</span><span id="line-84"> }</span> |
| <span class="source-line-no">085</span><span id="line-85"></span> |
| <span class="source-line-no">086</span><span id="line-86"> private boolean entered() {</span> |
| <span class="source-line-no">087</span><span id="line-87"> return dropDeletesFromRow.length == 0</span> |
| <span class="source-line-no">088</span><span id="line-88"> || rowComparator.compareRows(currentRow, dropDeletesFromRow, 0, dropDeletesFromRow.length)</span> |
| <span class="source-line-no">089</span><span id="line-89"> >= 0;</span> |
| <span class="source-line-no">090</span><span id="line-90"> }</span> |
| <span class="source-line-no">091</span><span id="line-91"></span> |
| <span class="source-line-no">092</span><span id="line-92"> private boolean left() {</span> |
| <span class="source-line-no">093</span><span id="line-93"> return dropDeletesToRow.length > 0</span> |
| <span class="source-line-no">094</span><span id="line-94"> && rowComparator.compareRows(currentRow, dropDeletesToRow, 0, dropDeletesToRow.length) >= 0;</span> |
| <span class="source-line-no">095</span><span id="line-95"> }</span> |
| <span class="source-line-no">096</span><span id="line-96"></span> |
| <span class="source-line-no">097</span><span id="line-97"> @Override</span> |
| <span class="source-line-no">098</span><span id="line-98"> protected void reset() {</span> |
| <span class="source-line-no">099</span><span id="line-99"> super.reset();</span> |
| <span class="source-line-no">100</span><span id="line-100"> // Check if we are about to enter or leave the drop deletes range.</span> |
| <span class="source-line-no">101</span><span id="line-101"> switch (dropDeletesInOutput) {</span> |
| <span class="source-line-no">102</span><span id="line-102"> case BEFORE:</span> |
| <span class="source-line-no">103</span><span id="line-103"> if (entered()) {</span> |
| <span class="source-line-no">104</span><span id="line-104"> if (left()) {</span> |
| <span class="source-line-no">105</span><span id="line-105"> // Already out of range, which means there are no rows within the range.</span> |
| <span class="source-line-no">106</span><span id="line-106"> dropDeletesInOutput = DropDeletesInOutput.AFTER;</span> |
| <span class="source-line-no">107</span><span id="line-107"> } else {</span> |
| <span class="source-line-no">108</span><span id="line-108"> dropDeletesInOutput = DropDeletesInOutput.IN;</span> |
| <span class="source-line-no">109</span><span id="line-109"> }</span> |
| <span class="source-line-no">110</span><span id="line-110"> }</span> |
| <span class="source-line-no">111</span><span id="line-111"> break;</span> |
| <span class="source-line-no">112</span><span id="line-112"> case IN:</span> |
| <span class="source-line-no">113</span><span id="line-113"> if (left()) {</span> |
| <span class="source-line-no">114</span><span id="line-114"> dropDeletesInOutput = DropDeletesInOutput.AFTER;</span> |
| <span class="source-line-no">115</span><span id="line-115"> }</span> |
| <span class="source-line-no">116</span><span id="line-116"> break;</span> |
| <span class="source-line-no">117</span><span id="line-117"> default:</span> |
| <span class="source-line-no">118</span><span id="line-118"> break;</span> |
| <span class="source-line-no">119</span><span id="line-119"> }</span> |
| <span class="source-line-no">120</span><span id="line-120"> }</span> |
| <span class="source-line-no">121</span><span id="line-121">}</span> |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| </pre> |
| </div> |
| </main> |
| </body> |
| </html> |
