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Posted to commits@hbase.apache.org by mi...@apache.org on 2016/02/12 22:25:51 UTC
[26/51] [partial] hbase-site git commit: Published site at
85e1d9a109341c5f4aabb0e82c96ab52e99a6d72.
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/526c7822/devapidocs/src-html/org/apache/hadoop/hbase/CellUtil.LastOnRowCell.html
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diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/CellUtil.LastOnRowCell.html b/devapidocs/src-html/org/apache/hadoop/hbase/CellUtil.LastOnRowCell.html
index 37288b5..a168ce2 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/CellUtil.LastOnRowCell.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/CellUtil.LastOnRowCell.html
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<span class="sourceLineNo">460</span><a name="line.460"></a>
<span class="sourceLineNo">461</span> public static boolean matchingRow(final Cell left, final byte[] buf) {<a name="line.461"></a>
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-<span class="sourceLineNo">463</span> return left.getQualifierLength() == 0;<a name="line.463"></a>
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<span class="sourceLineNo">465</span> return matchingRow(left, buf, 0, buf.length);<a name="line.465"></a>
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http://git-wip-us.apache.org/repos/asf/hbase-site/blob/526c7822/devapidocs/src-html/org/apache/hadoop/hbase/CellUtil.LastOnRowColByteBufferedCell.html
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diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/CellUtil.LastOnRowColByteBufferedCell.html b/devapidocs/src-html/org/apache/hadoop/hbase/CellUtil.LastOnRowColByteBufferedCell.html
index 37288b5..a168ce2 100644
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<span class="sourceLineNo">460</span><a name="line.460"></a>
<span class="sourceLineNo">461</span> public static boolean matchingRow(final Cell left, final byte[] buf) {<a name="line.461"></a>
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-<span class="sourceLineNo">463</span> return left.getQualifierLength() == 0;<a name="line.463"></a>
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<span class="sourceLineNo">465</span> return matchingRow(left, buf, 0, buf.length);<a name="line.465"></a>
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http://git-wip-us.apache.org/repos/asf/hbase-site/blob/526c7822/devapidocs/src-html/org/apache/hadoop/hbase/CellUtil.LastOnRowColCell.html
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diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/CellUtil.LastOnRowColCell.html b/devapidocs/src-html/org/apache/hadoop/hbase/CellUtil.LastOnRowColCell.html
index 37288b5..a168ce2 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/CellUtil.LastOnRowColCell.html
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<span class="sourceLineNo">460</span><a name="line.460"></a>
<span class="sourceLineNo">461</span> public static boolean matchingRow(final Cell left, final byte[] buf) {<a name="line.461"></a>
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http://git-wip-us.apache.org/repos/asf/hbase-site/blob/526c7822/devapidocs/src-html/org/apache/hadoop/hbase/CellUtil.html
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diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/CellUtil.html b/devapidocs/src-html/org/apache/hadoop/hbase/CellUtil.html
index 37288b5..a168ce2 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/CellUtil.html
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http://git-wip-us.apache.org/repos/asf/hbase-site/blob/526c7822/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/AbstractMemStore.html
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diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/AbstractMemStore.html b/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/AbstractMemStore.html
new file mode 100644
index 0000000..7e80faa
--- /dev/null
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/AbstractMemStore.html
@@ -0,0 +1,569 @@
+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
+<html lang="en">
+<head>
+<title>Source code</title>
+<link rel="stylesheet" type="text/css" href="../../../../../../stylesheet.css" title="Style">
+</head>
+<body>
+<div class="sourceContainer">
+<pre><span class="sourceLineNo">001</span>/**<a name="line.1"></a>
+<span class="sourceLineNo">002</span> *<a name="line.2"></a>
+<span class="sourceLineNo">003</span> * Licensed to the Apache Software Foundation (ASF) under one<a name="line.3"></a>
+<span class="sourceLineNo">004</span> * or more contributor license agreements. See the NOTICE file<a name="line.4"></a>
+<span class="sourceLineNo">005</span> * distributed with this work for additional information<a name="line.5"></a>
+<span class="sourceLineNo">006</span> * regarding copyright ownership. The ASF licenses this file<a name="line.6"></a>
+<span class="sourceLineNo">007</span> * to you under the Apache License, Version 2.0 (the<a name="line.7"></a>
+<span class="sourceLineNo">008</span> * "License"); you may not use this file except in compliance<a name="line.8"></a>
+<span class="sourceLineNo">009</span> * with the License. You may obtain a copy of the License at<a name="line.9"></a>
+<span class="sourceLineNo">010</span> *<a name="line.10"></a>
+<span class="sourceLineNo">011</span> * http://www.apache.org/licenses/LICENSE-2.0<a name="line.11"></a>
+<span class="sourceLineNo">012</span> *<a name="line.12"></a>
+<span class="sourceLineNo">013</span> * Unless required by applicable law or agreed to in writing, software<a name="line.13"></a>
+<span class="sourceLineNo">014</span> * distributed under the License is distributed on an "AS IS" BASIS,<a name="line.14"></a>
+<span class="sourceLineNo">015</span> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.15"></a>
+<span class="sourceLineNo">016</span> * See the License for the specific language governing permissions and<a name="line.16"></a>
+<span class="sourceLineNo">017</span> * limitations under the License.<a name="line.17"></a>
+<span class="sourceLineNo">018</span> */<a name="line.18"></a>
+<span class="sourceLineNo">019</span>package org.apache.hadoop.hbase.regionserver;<a name="line.19"></a>
+<span class="sourceLineNo">020</span><a name="line.20"></a>
+<span class="sourceLineNo">021</span>import com.google.common.annotations.VisibleForTesting;<a name="line.21"></a>
+<span class="sourceLineNo">022</span>import java.io.IOException;<a name="line.22"></a>
+<span class="sourceLineNo">023</span>import java.util.ArrayList;<a name="line.23"></a>
+<span class="sourceLineNo">024</span>import java.util.Collections;<a name="line.24"></a>
+<span class="sourceLineNo">025</span>import java.util.Iterator;<a name="line.25"></a>
+<span class="sourceLineNo">026</span>import java.util.List;<a name="line.26"></a>
+<span class="sourceLineNo">027</span>import java.util.NavigableSet;<a name="line.27"></a>
+<span class="sourceLineNo">028</span>import java.util.SortedSet;<a name="line.28"></a>
+<span class="sourceLineNo">029</span><a name="line.29"></a>
+<span class="sourceLineNo">030</span>import org.apache.commons.logging.Log;<a name="line.30"></a>
+<span class="sourceLineNo">031</span>import org.apache.hadoop.conf.Configuration;<a name="line.31"></a>
+<span class="sourceLineNo">032</span>import org.apache.hadoop.hbase.Cell;<a name="line.32"></a>
+<span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.CellComparator;<a name="line.33"></a>
+<span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.CellUtil;<a name="line.34"></a>
+<span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.KeyValue;<a name="line.35"></a>
+<span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.KeyValueUtil;<a name="line.36"></a>
+<span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.classification.InterfaceAudience;<a name="line.37"></a>
+<span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.38"></a>
+<span class="sourceLineNo">039</span>import org.apache.hadoop.hbase.util.ClassSize;<a name="line.39"></a>
+<span class="sourceLineNo">040</span>import org.apache.hadoop.hbase.util.EnvironmentEdgeManager;<a name="line.40"></a>
+<span class="sourceLineNo">041</span><a name="line.41"></a>
+<span class="sourceLineNo">042</span>/**<a name="line.42"></a>
+<span class="sourceLineNo">043</span> * An abstract class, which implements the behaviour shared by all concrete memstore instances.<a name="line.43"></a>
+<span class="sourceLineNo">044</span> */<a name="line.44"></a>
+<span class="sourceLineNo">045</span>@InterfaceAudience.Private<a name="line.45"></a>
+<span class="sourceLineNo">046</span>public abstract class AbstractMemStore implements MemStore {<a name="line.46"></a>
+<span class="sourceLineNo">047</span><a name="line.47"></a>
+<span class="sourceLineNo">048</span> private static final long NO_SNAPSHOT_ID = -1;<a name="line.48"></a>
+<span class="sourceLineNo">049</span><a name="line.49"></a>
+<span class="sourceLineNo">050</span> private final Configuration conf;<a name="line.50"></a>
+<span class="sourceLineNo">051</span> private final CellComparator comparator;<a name="line.51"></a>
+<span class="sourceLineNo">052</span><a name="line.52"></a>
+<span class="sourceLineNo">053</span> // active segment absorbs write operations<a name="line.53"></a>
+<span class="sourceLineNo">054</span> private volatile MutableSegment active;<a name="line.54"></a>
+<span class="sourceLineNo">055</span> // Snapshot of memstore. Made for flusher.<a name="line.55"></a>
+<span class="sourceLineNo">056</span> private volatile ImmutableSegment snapshot;<a name="line.56"></a>
+<span class="sourceLineNo">057</span> protected volatile long snapshotId;<a name="line.57"></a>
+<span class="sourceLineNo">058</span> // Used to track when to flush<a name="line.58"></a>
+<span class="sourceLineNo">059</span> private volatile long timeOfOldestEdit;<a name="line.59"></a>
+<span class="sourceLineNo">060</span><a name="line.60"></a>
+<span class="sourceLineNo">061</span> public final static long FIXED_OVERHEAD = ClassSize.align(<a name="line.61"></a>
+<span class="sourceLineNo">062</span> ClassSize.OBJECT +<a name="line.62"></a>
+<span class="sourceLineNo">063</span> (4 * ClassSize.REFERENCE) +<a name="line.63"></a>
+<span class="sourceLineNo">064</span> (2 * Bytes.SIZEOF_LONG));<a name="line.64"></a>
+<span class="sourceLineNo">065</span><a name="line.65"></a>
+<span class="sourceLineNo">066</span> public final static long DEEP_OVERHEAD = ClassSize.align(FIXED_OVERHEAD +<a name="line.66"></a>
+<span class="sourceLineNo">067</span> 2 * (ClassSize.ATOMIC_LONG + ClassSize.TIMERANGE_TRACKER +<a name="line.67"></a>
+<span class="sourceLineNo">068</span> ClassSize.CELL_SKIPLIST_SET + ClassSize.CONCURRENT_SKIPLISTMAP));<a name="line.68"></a>
+<span class="sourceLineNo">069</span><a name="line.69"></a>
+<span class="sourceLineNo">070</span><a name="line.70"></a>
+<span class="sourceLineNo">071</span> protected AbstractMemStore(final Configuration conf, final CellComparator c) {<a name="line.71"></a>
+<span class="sourceLineNo">072</span> this.conf = conf;<a name="line.72"></a>
+<span class="sourceLineNo">073</span> this.comparator = c;<a name="line.73"></a>
+<span class="sourceLineNo">074</span> resetCellSet();<a name="line.74"></a>
+<span class="sourceLineNo">075</span> this.snapshot = SegmentFactory.instance().createImmutableSegment(conf, c, 0);<a name="line.75"></a>
+<span class="sourceLineNo">076</span> this.snapshotId = NO_SNAPSHOT_ID;<a name="line.76"></a>
+<span class="sourceLineNo">077</span> }<a name="line.77"></a>
+<span class="sourceLineNo">078</span><a name="line.78"></a>
+<span class="sourceLineNo">079</span> protected void resetCellSet() {<a name="line.79"></a>
+<span class="sourceLineNo">080</span> // Reset heap to not include any keys<a name="line.80"></a>
+<span class="sourceLineNo">081</span> this.active = SegmentFactory.instance().createMutableSegment(<a name="line.81"></a>
+<span class="sourceLineNo">082</span> conf, comparator, DEEP_OVERHEAD);<a name="line.82"></a>
+<span class="sourceLineNo">083</span> this.timeOfOldestEdit = Long.MAX_VALUE;<a name="line.83"></a>
+<span class="sourceLineNo">084</span> }<a name="line.84"></a>
+<span class="sourceLineNo">085</span><a name="line.85"></a>
+<span class="sourceLineNo">086</span> /*<a name="line.86"></a>
+<span class="sourceLineNo">087</span> * Calculate how the MemStore size has changed. Includes overhead of the<a name="line.87"></a>
+<span class="sourceLineNo">088</span> * backing Map.<a name="line.88"></a>
+<span class="sourceLineNo">089</span> * @param cell<a name="line.89"></a>
+<span class="sourceLineNo">090</span> * @param notPresent True if the cell was NOT present in the set.<a name="line.90"></a>
+<span class="sourceLineNo">091</span> * @return change in size<a name="line.91"></a>
+<span class="sourceLineNo">092</span> */<a name="line.92"></a>
+<span class="sourceLineNo">093</span> static long heapSizeChange(final Cell cell, final boolean notPresent) {<a name="line.93"></a>
+<span class="sourceLineNo">094</span> return notPresent ? ClassSize.align(ClassSize.CONCURRENT_SKIPLISTMAP_ENTRY<a name="line.94"></a>
+<span class="sourceLineNo">095</span> + CellUtil.estimatedHeapSizeOf(cell)) : 0;<a name="line.95"></a>
+<span class="sourceLineNo">096</span> }<a name="line.96"></a>
+<span class="sourceLineNo">097</span><a name="line.97"></a>
+<span class="sourceLineNo">098</span> /**<a name="line.98"></a>
+<span class="sourceLineNo">099</span> * Updates the wal with the lowest sequence id (oldest entry) that is still in memory<a name="line.99"></a>
+<span class="sourceLineNo">100</span> * @param onlyIfMoreRecent a flag that marks whether to update the sequence id no matter what or<a name="line.100"></a>
+<span class="sourceLineNo">101</span> * only if it is greater than the previous sequence id<a name="line.101"></a>
+<span class="sourceLineNo">102</span> */<a name="line.102"></a>
+<span class="sourceLineNo">103</span> public abstract void updateLowestUnflushedSequenceIdInWal(boolean onlyIfMoreRecent);<a name="line.103"></a>
+<span class="sourceLineNo">104</span><a name="line.104"></a>
+<span class="sourceLineNo">105</span> /**<a name="line.105"></a>
+<span class="sourceLineNo">106</span> * Write an update<a name="line.106"></a>
+<span class="sourceLineNo">107</span> * @param cell the cell to be added<a name="line.107"></a>
+<span class="sourceLineNo">108</span> * @return approximate size of the passed cell & newly added cell which maybe different than the<a name="line.108"></a>
+<span class="sourceLineNo">109</span> * passed-in cell<a name="line.109"></a>
+<span class="sourceLineNo">110</span> */<a name="line.110"></a>
+<span class="sourceLineNo">111</span> @Override<a name="line.111"></a>
+<span class="sourceLineNo">112</span> public long add(Cell cell) {<a name="line.112"></a>
+<span class="sourceLineNo">113</span> Cell toAdd = maybeCloneWithAllocator(cell);<a name="line.113"></a>
+<span class="sourceLineNo">114</span> return internalAdd(toAdd);<a name="line.114"></a>
+<span class="sourceLineNo">115</span> }<a name="line.115"></a>
+<span class="sourceLineNo">116</span><a name="line.116"></a>
+<span class="sourceLineNo">117</span> /**<a name="line.117"></a>
+<span class="sourceLineNo">118</span> * Update or insert the specified Cells.<a name="line.118"></a>
+<span class="sourceLineNo">119</span> * <p><a name="line.119"></a>
+<span class="sourceLineNo">120</span> * For each Cell, insert into MemStore. This will atomically upsert the<a name="line.120"></a>
+<span class="sourceLineNo">121</span> * value for that row/family/qualifier. If a Cell did already exist,<a name="line.121"></a>
+<span class="sourceLineNo">122</span> * it will then be removed.<a name="line.122"></a>
+<span class="sourceLineNo">123</span> * <p><a name="line.123"></a>
+<span class="sourceLineNo">124</span> * Currently the memstoreTS is kept at 0 so as each insert happens, it will<a name="line.124"></a>
+<span class="sourceLineNo">125</span> * be immediately visible. May want to change this so it is atomic across<a name="line.125"></a>
+<span class="sourceLineNo">126</span> * all Cells.<a name="line.126"></a>
+<span class="sourceLineNo">127</span> * <p><a name="line.127"></a>
+<span class="sourceLineNo">128</span> * This is called under row lock, so Get operations will still see updates<a name="line.128"></a>
+<span class="sourceLineNo">129</span> * atomically. Scans will only see each Cell update as atomic.<a name="line.129"></a>
+<span class="sourceLineNo">130</span> *<a name="line.130"></a>
+<span class="sourceLineNo">131</span> * @param cells the cells to be updated<a name="line.131"></a>
+<span class="sourceLineNo">132</span> * @param readpoint readpoint below which we can safely remove duplicate KVs<a name="line.132"></a>
+<span class="sourceLineNo">133</span> * @return change in memstore size<a name="line.133"></a>
+<span class="sourceLineNo">134</span> */<a name="line.134"></a>
+<span class="sourceLineNo">135</span> @Override<a name="line.135"></a>
+<span class="sourceLineNo">136</span> public long upsert(Iterable<Cell> cells, long readpoint) {<a name="line.136"></a>
+<span class="sourceLineNo">137</span> long size = 0;<a name="line.137"></a>
+<span class="sourceLineNo">138</span> for (Cell cell : cells) {<a name="line.138"></a>
+<span class="sourceLineNo">139</span> size += upsert(cell, readpoint);<a name="line.139"></a>
+<span class="sourceLineNo">140</span> }<a name="line.140"></a>
+<span class="sourceLineNo">141</span> return size;<a name="line.141"></a>
+<span class="sourceLineNo">142</span> }<a name="line.142"></a>
+<span class="sourceLineNo">143</span><a name="line.143"></a>
+<span class="sourceLineNo">144</span> /**<a name="line.144"></a>
+<span class="sourceLineNo">145</span> * @return Oldest timestamp of all the Cells in the MemStore<a name="line.145"></a>
+<span class="sourceLineNo">146</span> */<a name="line.146"></a>
+<span class="sourceLineNo">147</span> @Override<a name="line.147"></a>
+<span class="sourceLineNo">148</span> public long timeOfOldestEdit() {<a name="line.148"></a>
+<span class="sourceLineNo">149</span> return timeOfOldestEdit;<a name="line.149"></a>
+<span class="sourceLineNo">150</span> }<a name="line.150"></a>
+<span class="sourceLineNo">151</span><a name="line.151"></a>
+<span class="sourceLineNo">152</span><a name="line.152"></a>
+<span class="sourceLineNo">153</span> /**<a name="line.153"></a>
+<span class="sourceLineNo">154</span> * Write a delete<a name="line.154"></a>
+<span class="sourceLineNo">155</span> * @param deleteCell the cell to be deleted<a name="line.155"></a>
+<span class="sourceLineNo">156</span> * @return approximate size of the passed key and value.<a name="line.156"></a>
+<span class="sourceLineNo">157</span> */<a name="line.157"></a>
+<span class="sourceLineNo">158</span> @Override<a name="line.158"></a>
+<span class="sourceLineNo">159</span> public long delete(Cell deleteCell) {<a name="line.159"></a>
+<span class="sourceLineNo">160</span> Cell toAdd = maybeCloneWithAllocator(deleteCell);<a name="line.160"></a>
+<span class="sourceLineNo">161</span> long s = internalAdd(toAdd);<a name="line.161"></a>
+<span class="sourceLineNo">162</span> return s;<a name="line.162"></a>
+<span class="sourceLineNo">163</span> }<a name="line.163"></a>
+<span class="sourceLineNo">164</span><a name="line.164"></a>
+<span class="sourceLineNo">165</span> /**<a name="line.165"></a>
+<span class="sourceLineNo">166</span> * An override on snapshot so the no arg version of the method implies zero seq num,<a name="line.166"></a>
+<span class="sourceLineNo">167</span> * like for cases without wal<a name="line.167"></a>
+<span class="sourceLineNo">168</span> */<a name="line.168"></a>
+<span class="sourceLineNo">169</span> public MemStoreSnapshot snapshot() {<a name="line.169"></a>
+<span class="sourceLineNo">170</span> return snapshot(0);<a name="line.170"></a>
+<span class="sourceLineNo">171</span> }<a name="line.171"></a>
+<span class="sourceLineNo">172</span><a name="line.172"></a>
+<span class="sourceLineNo">173</span> /**<a name="line.173"></a>
+<span class="sourceLineNo">174</span> * The passed snapshot was successfully persisted; it can be let go.<a name="line.174"></a>
+<span class="sourceLineNo">175</span> * @param id Id of the snapshot to clean out.<a name="line.175"></a>
+<span class="sourceLineNo">176</span> * @see MemStore#snapshot(long)<a name="line.176"></a>
+<span class="sourceLineNo">177</span> */<a name="line.177"></a>
+<span class="sourceLineNo">178</span> @Override<a name="line.178"></a>
+<span class="sourceLineNo">179</span> public void clearSnapshot(long id) throws UnexpectedStateException {<a name="line.179"></a>
+<span class="sourceLineNo">180</span> if (this.snapshotId != id) {<a name="line.180"></a>
+<span class="sourceLineNo">181</span> throw new UnexpectedStateException("Current snapshot id is " + this.snapshotId + ",passed "<a name="line.181"></a>
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+<span class="sourceLineNo">447</span> timeOfOldestEdit = EnvironmentEdgeManager.currentTime();<a name="line.447"></a>
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+<span class="sourceLineNo">476</span> /**<a name="line.476"></a>
+<span class="sourceLineNo">477</span> * Check whether anything need to be done based on the current active set size<a name="line.477"></a>
+<span class="sourceLineNo">478</span> */<a name="line.478"></a>
+<span class="sourceLineNo">479</span> protected abstract void checkActiveSize();<a name="line.479"></a>
+<span class="sourceLineNo">480</span><a name="line.480"></a>
+<span class="sourceLineNo">481</span> /**<a name="line.481"></a>
+<span class="sourceLineNo">482</span> * Returns a list of Store segment scanners, one per each store segment<a name="line.482"></a>
+<span class="sourceLineNo">483</span> * @param readPt the version number required to initialize the scanners<a name="line.483"></a>
+<span class="sourceLineNo">484</span> * @return a list of Store segment scanners, one per each store segment<a name="line.484"></a>
+<span class="sourceLineNo">485</span> */<a name="line.485"></a>
+<span class="sourceLineNo">486</span> protected abstract List<SegmentScanner> getListOfScanners(long readPt) throws IOException;<a name="line.486"></a>
+<span class="sourceLineNo">487</span><a name="line.487"></a>
+<span class="sourceLineNo">488</span> /**<a name="line.488"></a>
+<span class="sourceLineNo">489</span> * Returns an ordered list of segments from most recent to oldest in memstore<a name="line.489"></a>
+<span class="sourceLineNo">490</span> * @return an ordered list of segments from most recent to oldest in memstore<a name="line.490"></a>
+<span class="sourceLineNo">491</span> */<a name="line.491"></a>
+<span class="sourceLineNo">492</span> protected abstract List<Segment> getListOfSegments() throws IOException;<a name="line.492"></a>
+<span class="sourceLineNo">493</span><a name="line.493"></a>
+<span class="sourceLineNo">494</span> public long getActiveSize() {<a name="line.494"></a>
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+<span class="sourceLineNo">496</span> }<a name="line.496"></a>
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+</pre>
+</div>
+</body>
+</html>
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/526c7822/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/CellSet.html
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+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
+<html lang="en">
+<head>
+<title>Source code</title>
+<link rel="stylesheet" type="text/css" href="../../../../../../stylesheet.css" title="Style">
+</head>
+<body>
+<div class="sourceContainer">
+<pre><span class="sourceLineNo">001</span>/**<a name="line.1"></a>
+<span class="sourceLineNo">002</span> *<a name="line.2"></a>
+<span class="sourceLineNo">003</span> * Licensed to the Apache Software Foundation (ASF) under one<a name="line.3"></a>
+<span class="sourceLineNo">004</span> * or more contributor license agreements. See the NOTICE file<a name="line.4"></a>
+<span class="sourceLineNo">005</span> * distributed with this work for additional information<a name="line.5"></a>
+<span class="sourceLineNo">006</span> * regarding copyright ownership. The ASF licenses this file<a name="line.6"></a>
+<span class="sourceLineNo">007</span> * to you under the Apache License, Version 2.0 (the<a name="line.7"></a>
+<span class="sourceLineNo">008</span> * "License"); you may not use this file except in compliance<a name="line.8"></a>
+<span class="sourceLineNo">009</span> * with the License. You may obtain a copy of the License at<a name="line.9"></a>
+<span class="sourceLineNo">010</span> *<a name="line.10"></a>
+<span class="sourceLineNo">011</span> * http://www.apache.org/licenses/LICENSE-2.0<a name="line.11"></a>
+<span class="sourceLineNo">012</span> *<a name="line.12"></a>
+<span class="sourceLineNo">013</span> * Unless required by applicable law or agreed to in writing, software<a name="line.13"></a>
+<span class="sourceLineNo">014</span> * distributed under the License is distributed on an "AS IS" BASIS,<a name="line.14"></a>
+<span class="sourceLineNo">015</span> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.15"></a>
+<span class="sourceLineNo">016</span> * See the License for the specific language governing permissions and<a name="line.16"></a>
+<span class="sourceLineNo">017</span> * limitations under the License.<a name="line.17"></a>
+<span class="sourceLineNo">018</span> */<a name="line.18"></a>
+<span class="sourceLineNo">019</span>package org.apache.hadoop.hbase.regionserver;<a name="line.19"></a>
+<span class="sourceLineNo">020</span><a name="line.20"></a>
+<span class="sourceLineNo">021</span>import java.util.Collection;<a name="line.21"></a>
+<span class="sourceLineNo">022</span>import java.util.Comparator;<a name="line.22"></a>
+<span class="sourceLineNo">023</span>import java.util.Iterator;<a name="line.23"></a>
+<span class="sourceLineNo">024</span>import java.util.NavigableSet;<a name="line.24"></a>
+<span class="sourceLineNo">025</span>import java.util.SortedSet;<a name="line.25"></a>
+<span class="sourceLineNo">026</span>import java.util.concurrent.ConcurrentNavigableMap;<a name="line.26"></a>
+<span class="sourceLineNo">027</span>import java.util.concurrent.ConcurrentSkipListMap;<a name="line.27"></a>
+<span class="sourceLineNo">028</span><a name="line.28"></a>
+<span class="sourceLineNo">029</span>import org.apache.hadoop.hbase.Cell;<a name="line.29"></a>
+<span class="sourceLineNo">030</span>import org.apache.hadoop.hbase.CellComparator;<a name="line.30"></a>
+<span class="sourceLineNo">031</span>import org.apache.hadoop.hbase.classification.InterfaceAudience;<a name="line.31"></a>
+<span class="sourceLineNo">032</span><a name="line.32"></a>
+<span class="sourceLineNo">033</span>/**<a name="line.33"></a>
+<span class="sourceLineNo">034</span> * A {@link java.util.Set} of {@link Cell}s, where an add will overwrite the entry if already<a name="line.34"></a>
+<span class="sourceLineNo">035</span> * exists in the set. The call to add returns true if no value in the backing map or false if<a name="line.35"></a>
+<span class="sourceLineNo">036</span> * there was an entry with same key (though value may be different).<a name="line.36"></a>
+<span class="sourceLineNo">037</span> * implementation is tolerant of concurrent get and set and won't throw<a name="line.37"></a>
+<span class="sourceLineNo">038</span> * ConcurrentModificationException when iterating.<a name="line.38"></a>
+<span class="sourceLineNo">039</span> */<a name="line.39"></a>
+<span class="sourceLineNo">040</span>@InterfaceAudience.Private<a name="line.40"></a>
+<span class="sourceLineNo">041</span>public class CellSet implements NavigableSet<Cell> {<a name="line.41"></a>
+<span class="sourceLineNo">042</span> // Implemented on top of a {@link java.util.concurrent.ConcurrentSkipListMap}<a name="line.42"></a>
+<span class="sourceLineNo">043</span> // Differ from CSLS in one respect, where CSLS does "Adds the specified element to this set if it<a name="line.43"></a>
+<span class="sourceLineNo">044</span> // is not already present.", this implementation "Adds the specified element to this set EVEN<a name="line.44"></a>
+<span class="sourceLineNo">045</span> // if it is already present overwriting what was there previous".<a name="line.45"></a>
+<span class="sourceLineNo">046</span> // Otherwise, has same attributes as ConcurrentSkipListSet<a name="line.46"></a>
+<span class="sourceLineNo">047</span> private final ConcurrentNavigableMap<Cell, Cell> delegatee;<a name="line.47"></a>
+<span class="sourceLineNo">048</span><a name="line.48"></a>
+<span class="sourceLineNo">049</span> CellSet(final CellComparator c) {<a name="line.49"></a>
+<span class="sourceLineNo">050</span> this.delegatee = new ConcurrentSkipListMap<Cell, Cell>(c);<a name="line.50"></a>
+<span class="sourceLineNo">051</span> }<a name="line.51"></a>
+<span class="sourceLineNo">052</span><a name="line.52"></a>
+<span class="sourceLineNo">053</span> CellSet(final ConcurrentNavigableMap<Cell, Cell> m) {<a name="line.53"></a>
+<span class="sourceLineNo">054</span> this.delegatee = m;<a name="line.54"></a>
+<span class="sourceLineNo">055</span> }<a name="line.55"></a>
+<span class="sourceLineNo">056</span><a name="line.56"></a>
+<span class="sourceLineNo">057</span> public Cell ceiling(Cell e) {<a name="line.57"></a>
+<span class="sourceLineNo">058</span> throw new UnsupportedOperationException("Not implemented");<a name="line.58"></a>
+<span class="sourceLineNo">059</span> }<a name="line.59"></a>
+<span class="sourceLineNo">060</span><a name="line.60"></a>
+<span class="sourceLineNo">061</span> public Iterator<Cell> descendingIterator() {<a name="line.61"></a>
+<span class="sourceLineNo">062</span> return this.delegatee.descendingMap().values().iterator();<a name="line.62"></a>
+<span class="sourceLineNo">063</span> }<a name="line.63"></a>
+<span class="sourceLineNo">064</span><a name="line.64"></a>
+<span class="sourceLineNo">065</span> public NavigableSet<Cell> descendingSet() {<a name="line.65"></a>
+<span class="sourceLineNo">066</span> throw new UnsupportedOperationException("Not implemented");<a name="line.66"></a>
+<span class="sourceLineNo">067</span> }<a name="line.67"></a>
+<span class="sourceLineNo">068</span><a name="line.68"></a>
+<span class="sourceLineNo">069</span> public Cell floor(Cell e) {<a name="line.69"></a>
+<span class="sourceLineNo">070</span> throw new UnsupportedOperationException("Not implemented");<a name="line.70"></a>
+<span class="sourceLineNo">071</span> }<a name="line.71"></a>
+<span class="sourceLineNo">072</span><a name="line.72"></a>
+<span class="sourceLineNo">073</span> public SortedSet<Cell> headSet(final Cell toElement) {<a name="line.73"></a>
+<span class="sourceLineNo">074</span> return headSet(toElement, false);<a name="line.74"></a>
+<span class="sourceLineNo">075</span> }<a name="line.75"></a>
+<span class="sourceLineNo">076</span><a name="line.76"></a>
+<span class="sourceLineNo">077</span> public NavigableSet<Cell> headSet(final Cell toElement,<a name="line.77"></a>
+<span class="sourceLineNo">078</span> boolean inclusive) {<a name="line.78"></a>
+<span class="sourceLineNo">079</span> return new CellSet(this.delegatee.headMap(toElement, inclusive));<a name="line.79"></a>
+<span class="sourceLineNo">080</span> }<a name="line.80"></a>
+<span class="sourceLineNo">081</span><a name="line.81"></a>
+<span class="sourceLineNo">082</span> public Cell higher(Cell e) {<a name="line.82"></a>
+<span class="sourceLineNo">083</span> throw new UnsupportedOperationException("Not implemented");<a name="line.83"></a>
+<span class="sourceLineNo">084</span> }<a name="line.84"></a>
+<span class="sourceLineNo">085</span><a name="line.85"></a>
+<span class="sourceLineNo">086</span> public Iterator<Cell> iterator() {<a name="line.86"></a>
+<span class="sourceLineNo">087</span> return this.delegatee.values().iterator();<a name="line.87"></a>
+<span class="sourceLineNo">088</span> }<a name="line.88"></a>
+<span class="sourceLineNo">089</span><a name="line.89"></a>
+<span class="sourceLineNo">090</span> public Cell lower(Cell e) {<a name="line.90"></a>
+<span class="sourceLineNo">091</span> throw new UnsupportedOperationException("Not implemented");<a name="line.91"></a>
+<span class="sourceLineNo">092</span> }<a name="line.92"></a>
+<span class="sourceLineNo">093</span><a name="line.93"></a>
+<span class="sourceLineNo">094</span> public Cell pollFirst() {<a name="line.94"></a>
+<span class="sourceLineNo">095</span> throw new UnsupportedOperationException("Not implemented");<a name="line.95"></a>
+<span class="sourceLineNo">096</span> }<a name="line.96"></a>
+<span class="sourceLineNo">097</span><a name="line.97"></a>
+<span class="sourceLineNo">098</span> public Cell pollLast() {<a name="line.98"></a>
+<span class="sourceLineNo">099</span> throw new UnsupportedOperationException("Not implemented");<a name="line.99"></a>
+<span class="sourceLineNo">100</span> }<a name="line.100"></a>
+<span class="sourceLineNo">101</span><a name="line.101"></a>
+<span class="sourceLineNo">102</span> public SortedSet<Cell> subSet(Cell fromElement, Cell toElement) {<a name="line.102"></a>
+<span class="sourceLineNo">103</span> throw new UnsupportedOperationException("Not implemented");<a name="line.103"></a>
+<span class="sourceLineNo">104</span> }<a name="line.104"></a>
+<span class="sourceLineNo">105</span><a name="line.105"></a>
+<span class="sourceLineNo">106</span> public NavigableSet<Cell> subSet(Cell fromElement,<a name="line.106"></a>
+<span class="sourceLineNo">107</span> boolean fromInclusive, Cell toElement, boolean toInclusive) {<a name="line.107"></a>
+<span class="sourceLineNo">108</span> throw new UnsupportedOperationException("Not implemented");<a name="line.108"></a>
+<span class="sourceLineNo">109</span> }<a name="line.109"></a>
+<span class="sourceLineNo">110</span><a name="line.110"></a>
+<span class="sourceLineNo">111</span> public SortedSet<Cell> tailSet(Cell fromElement) {<a name="line.111"></a>
+<span class="sourceLineNo">112</span> return tailSet(fromElement, true);<a name="line.112"></a>
+<span class="sourceLineNo">113</span> }<a name="line.113"></a>
+<span class="sourceLineNo">114</span><a name="line.114"></a>
+<span class="sourceLineNo">115</span> public NavigableSet<Cell> tailSet(Cell fromElement, boolean inclusive) {<a name="line.115"></a>
+<span class="sourceLineNo">116</span> return new CellSet(this.delegatee.tailMap(fromElement, inclusive));<a name="line.116"></a>
+<span class="sourceLineNo">117</span> }<a name="line.117"></a>
+<span class="sourceLineNo">118</span><a name="line.118"></a>
+<span class="sourceLineNo">119</span> public Comparator<? super Cell> comparator() {<a name="line.119"></a>
+<span class="sourceLineNo">120</span> throw new UnsupportedOperationException("Not implemented");<a name="line.120"></a>
+<span class="sourceLineNo">121</span> }<a name="line.121"></a>
+<span class="sourceLineNo">122</span><a name="line.122"></a>
+<span class="sourceLineNo">123</span> public Cell first() {<a name="line.123"></a>
+<span class="sourceLineNo">124</span> return this.delegatee.get(this.delegatee.firstKey());<a name="line.124"></a>
+<span class="sourceLineNo">125</span> }<a name="line.125"></a>
+<span class="sourceLineNo">126</span><a name="line.126"></a>
+<span class="sourceLineNo">127</span> public Cell last() {<a name="line.127"></a>
+<span class="sourceLineNo">128</span> return this.delegatee.get(this.delegatee.lastKey());<a name="line.128"></a>
+<span class="sourceLineNo">129</span> }<a name="line.129"></a>
+<span class="sourceLineNo">130</span><a name="line.130"></a>
+<span class="sourceLineNo">131</span> public boolean add(Cell e) {<a name="line.131"></a>
+<span class="sourceLineNo">132</span> return this.delegatee.put(e, e) == null;<a name="line.132"></a>
+<span class="sourceLineNo">133</span> }<a name="line.133"></a>
+<span class="sourceLineNo">134</span><a name="line.134"></a>
+<span class="sourceLineNo">135</span> public boolean addAll(Collection<? extends Cell> c) {<a name="line.135"></a>
+<span class="sourceLineNo">136</span> throw new UnsupportedOperationException("Not implemented");<a name="line.136"></a>
+<span class="sourceLineNo">137</span> }<a name="line.137"></a>
+<span class="sourceLineNo">138</span><a name="line.138"></a>
+<span class="sourceLineNo">139</span> public void clear() {<a name="line.139"></a>
+<span class="sourceLineNo">140</span> this.delegatee.clear();<a name="line.140"></a>
+<span class="sourceLineNo">141</span> }<a name="line.141"></a>
+<span class="sourceLineNo">142</span><a name="line.142"></a>
+<span class="sourceLineNo">143</span> public boolean contains(Object o) {<a name="line.143"></a>
+<span class="sourceLineNo">144</span> //noinspection SuspiciousMethodCalls<a name="line.144"></a>
+<span class="sourceLineNo">145</span> return this.delegatee.containsKey(o);<a name="line.145"></a>
+<span class="sourceLineNo">146</span> }<a name="line.146"></a>
+<span class="sourceLineNo">147</span><a name="line.147"></a>
+<span class="sourceLineNo">148</span> public boolean containsAll(Collection<?> c) {<a name="line.148"></a>
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+<span class="sourceLineNo">155</span><a name="line.155"></a>
+<span class="sourceLineNo">156</span> public boolean remove(Object o) {<a name="line.156"></a>
+<span class="sourceLineNo">157</span> return this.delegatee.remove(o) != null;<a name="line.157"></a>
+<span class="sourceLineNo">158</span> }<a name="line.158"></a>
+<span class="sourceLineNo">159</span><a name="line.159"></a>
+<span class="sourceLineNo">160</span> public boolean removeAll(Collection<?> c) {<a name="line.160"></a>
+<span class="sourceLineNo">161</span> throw new UnsupportedOperationException("Not implemented");<a name="line.161"></a>
+<span class="sourceLineNo">162</span> }<a name="line.162"></a>
+<span class="sourceLineNo">163</span><a name="line.163"></a>
+<span class="sourceLineNo">164</span> public boolean retainAll(Collection<?> c) {<a name="line.164"></a>
+<span class="sourceLineNo">165</span> throw new UnsupportedOperationException("Not implemented");<a name="line.165"></a>
+<span class="sourceLineNo">166</span> }<a name="line.166"></a>
+<span class="sourceLineNo">167</span><a name="line.167"></a>
+<span class="sourceLineNo">168</span> public Cell get(Cell kv) {<a name="line.168"></a>
+<span class="sourceLineNo">169</span> return this.delegatee.get(kv);<a name="line.169"></a>
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+<span class="sourceLineNo">174</span> }<a name="line.174"></a>
+<span class="sourceLineNo">175</span><a name="line.175"></a>
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