| <!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> * Licensed to the Apache Software Foundation (ASF) under one<a name="line.2"></a> |
| <span class="sourceLineNo">003</span> * or more contributor license agreements. See the NOTICE file<a name="line.3"></a> |
| <span class="sourceLineNo">004</span> * distributed with this work for additional information<a name="line.4"></a> |
| <span class="sourceLineNo">005</span> * regarding copyright ownership. The ASF licenses this file<a name="line.5"></a> |
| <span class="sourceLineNo">006</span> * to you under the Apache License, Version 2.0 (the<a name="line.6"></a> |
| <span class="sourceLineNo">007</span> * "License"); you may not use this file except in compliance<a name="line.7"></a> |
| <span class="sourceLineNo">008</span> * with the License. You may obtain a copy of the License at<a name="line.8"></a> |
| <span class="sourceLineNo">009</span> *<a name="line.9"></a> |
| <span class="sourceLineNo">010</span> * http://www.apache.org/licenses/LICENSE-2.0<a name="line.10"></a> |
| <span class="sourceLineNo">011</span> *<a name="line.11"></a> |
| <span class="sourceLineNo">012</span> * Unless required by applicable law or agreed to in writing, software<a name="line.12"></a> |
| <span class="sourceLineNo">013</span> * distributed under the License is distributed on an "AS IS" BASIS,<a name="line.13"></a> |
| <span class="sourceLineNo">014</span> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.14"></a> |
| <span class="sourceLineNo">015</span> * See the License for the specific language governing permissions and<a name="line.15"></a> |
| <span class="sourceLineNo">016</span> * limitations under the License.<a name="line.16"></a> |
| <span class="sourceLineNo">017</span> */<a name="line.17"></a> |
| <span class="sourceLineNo">018</span>package org.apache.hadoop.hbase.io.encoding;<a name="line.18"></a> |
| <span class="sourceLineNo">019</span><a name="line.19"></a> |
| <span class="sourceLineNo">020</span>import java.io.DataInputStream;<a name="line.20"></a> |
| <span class="sourceLineNo">021</span>import java.io.DataOutputStream;<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.io.OutputStream;<a name="line.23"></a> |
| <span class="sourceLineNo">024</span>import java.nio.ByteBuffer;<a name="line.24"></a> |
| <span class="sourceLineNo">025</span>import org.apache.hadoop.hbase.ByteBufferExtendedCell;<a name="line.25"></a> |
| <span class="sourceLineNo">026</span>import org.apache.hadoop.hbase.Cell;<a name="line.26"></a> |
| <span class="sourceLineNo">027</span>import org.apache.hadoop.hbase.CellComparator;<a name="line.27"></a> |
| <span class="sourceLineNo">028</span>import org.apache.hadoop.hbase.CellUtil;<a name="line.28"></a> |
| <span class="sourceLineNo">029</span>import org.apache.hadoop.hbase.ExtendedCell;<a name="line.29"></a> |
| <span class="sourceLineNo">030</span>import org.apache.hadoop.hbase.HConstants;<a name="line.30"></a> |
| <span class="sourceLineNo">031</span>import org.apache.hadoop.hbase.KeyValue;<a name="line.31"></a> |
| <span class="sourceLineNo">032</span>import org.apache.hadoop.hbase.KeyValueUtil;<a name="line.32"></a> |
| <span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.PrivateCellUtil;<a name="line.33"></a> |
| <span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.io.TagCompressionContext;<a name="line.34"></a> |
| <span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.io.util.LRUDictionary;<a name="line.35"></a> |
| <span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.io.util.StreamUtils;<a name="line.36"></a> |
| <span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.nio.ByteBuff;<a name="line.37"></a> |
| <span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.util.ByteBufferUtils;<a name="line.38"></a> |
| <span class="sourceLineNo">039</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.39"></a> |
| <span class="sourceLineNo">040</span>import org.apache.hadoop.hbase.util.ClassSize;<a name="line.40"></a> |
| <span class="sourceLineNo">041</span>import org.apache.hadoop.hbase.util.ObjectIntPair;<a name="line.41"></a> |
| <span class="sourceLineNo">042</span>import org.apache.hadoop.io.WritableUtils;<a name="line.42"></a> |
| <span class="sourceLineNo">043</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.43"></a> |
| <span class="sourceLineNo">044</span><a name="line.44"></a> |
| <span class="sourceLineNo">045</span>/**<a name="line.45"></a> |
| <span class="sourceLineNo">046</span> * Base class for all data block encoders that use a buffer.<a name="line.46"></a> |
| <span class="sourceLineNo">047</span> */<a name="line.47"></a> |
| <span class="sourceLineNo">048</span>@InterfaceAudience.Private<a name="line.48"></a> |
| <span class="sourceLineNo">049</span>abstract class BufferedDataBlockEncoder extends AbstractDataBlockEncoder {<a name="line.49"></a> |
| <span class="sourceLineNo">050</span> /**<a name="line.50"></a> |
| <span class="sourceLineNo">051</span> * TODO: This datablockencoder is dealing in internals of hfileblocks. Purge reference to HFBs<a name="line.51"></a> |
| <span class="sourceLineNo">052</span> */<a name="line.52"></a> |
| <span class="sourceLineNo">053</span> private static int INITIAL_KEY_BUFFER_SIZE = 512;<a name="line.53"></a> |
| <span class="sourceLineNo">054</span><a name="line.54"></a> |
| <span class="sourceLineNo">055</span> @Override<a name="line.55"></a> |
| <span class="sourceLineNo">056</span> public ByteBuffer decodeKeyValues(DataInputStream source,<a name="line.56"></a> |
| <span class="sourceLineNo">057</span> HFileBlockDecodingContext blkDecodingCtx) throws IOException {<a name="line.57"></a> |
| <span class="sourceLineNo">058</span> if (blkDecodingCtx.getClass() != HFileBlockDefaultDecodingContext.class) {<a name="line.58"></a> |
| <span class="sourceLineNo">059</span> throw new IOException(this.getClass().getName() + " only accepts "<a name="line.59"></a> |
| <span class="sourceLineNo">060</span> + HFileBlockDefaultDecodingContext.class.getName() + " as the decoding context.");<a name="line.60"></a> |
| <span class="sourceLineNo">061</span> }<a name="line.61"></a> |
| <span class="sourceLineNo">062</span><a name="line.62"></a> |
| <span class="sourceLineNo">063</span> HFileBlockDefaultDecodingContext decodingCtx =<a name="line.63"></a> |
| <span class="sourceLineNo">064</span> (HFileBlockDefaultDecodingContext) blkDecodingCtx;<a name="line.64"></a> |
| <span class="sourceLineNo">065</span> if (<a name="line.65"></a> |
| <span class="sourceLineNo">066</span> decodingCtx.getHFileContext().isIncludesTags()<a name="line.66"></a> |
| <span class="sourceLineNo">067</span> && decodingCtx.getHFileContext().isCompressTags()<a name="line.67"></a> |
| <span class="sourceLineNo">068</span> ) {<a name="line.68"></a> |
| <span class="sourceLineNo">069</span> if (decodingCtx.getTagCompressionContext() != null) {<a name="line.69"></a> |
| <span class="sourceLineNo">070</span> // It will be overhead to create the TagCompressionContext again and again for every block<a name="line.70"></a> |
| <span class="sourceLineNo">071</span> // decoding.<a name="line.71"></a> |
| <span class="sourceLineNo">072</span> decodingCtx.getTagCompressionContext().clear();<a name="line.72"></a> |
| <span class="sourceLineNo">073</span> } else {<a name="line.73"></a> |
| <span class="sourceLineNo">074</span> try {<a name="line.74"></a> |
| <span class="sourceLineNo">075</span> TagCompressionContext tagCompressionContext =<a name="line.75"></a> |
| <span class="sourceLineNo">076</span> new TagCompressionContext(LRUDictionary.class, Byte.MAX_VALUE);<a name="line.76"></a> |
| <span class="sourceLineNo">077</span> decodingCtx.setTagCompressionContext(tagCompressionContext);<a name="line.77"></a> |
| <span class="sourceLineNo">078</span> } catch (Exception e) {<a name="line.78"></a> |
| <span class="sourceLineNo">079</span> throw new IOException("Failed to initialize TagCompressionContext", e);<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> }<a name="line.82"></a> |
| <span class="sourceLineNo">083</span> return internalDecodeKeyValues(source, 0, 0, decodingCtx);<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> /********************* common prefixes *************************/<a name="line.86"></a> |
| <span class="sourceLineNo">087</span> // Having this as static is fine but if META is having DBE then we should<a name="line.87"></a> |
| <span class="sourceLineNo">088</span> // change this.<a name="line.88"></a> |
| <span class="sourceLineNo">089</span> public static int compareCommonRowPrefix(Cell left, Cell right, int rowCommonPrefix) {<a name="line.89"></a> |
| <span class="sourceLineNo">090</span> if (left instanceof ByteBufferExtendedCell) {<a name="line.90"></a> |
| <span class="sourceLineNo">091</span> ByteBufferExtendedCell bbLeft = (ByteBufferExtendedCell) left;<a name="line.91"></a> |
| <span class="sourceLineNo">092</span> if (right instanceof ByteBufferExtendedCell) {<a name="line.92"></a> |
| <span class="sourceLineNo">093</span> ByteBufferExtendedCell bbRight = (ByteBufferExtendedCell) right;<a name="line.93"></a> |
| <span class="sourceLineNo">094</span> return ByteBufferUtils.compareTo(bbLeft.getRowByteBuffer(),<a name="line.94"></a> |
| <span class="sourceLineNo">095</span> bbLeft.getRowPosition() + rowCommonPrefix, left.getRowLength() - rowCommonPrefix,<a name="line.95"></a> |
| <span class="sourceLineNo">096</span> bbRight.getRowByteBuffer(), bbRight.getRowPosition() + rowCommonPrefix,<a name="line.96"></a> |
| <span class="sourceLineNo">097</span> right.getRowLength() - rowCommonPrefix);<a name="line.97"></a> |
| <span class="sourceLineNo">098</span> } else {<a name="line.98"></a> |
| <span class="sourceLineNo">099</span> return ByteBufferUtils.compareTo(bbLeft.getRowByteBuffer(),<a name="line.99"></a> |
| <span class="sourceLineNo">100</span> bbLeft.getRowPosition() + rowCommonPrefix, left.getRowLength() - rowCommonPrefix,<a name="line.100"></a> |
| <span class="sourceLineNo">101</span> right.getRowArray(), right.getRowOffset() + rowCommonPrefix,<a name="line.101"></a> |
| <span class="sourceLineNo">102</span> right.getRowLength() - rowCommonPrefix);<a name="line.102"></a> |
| <span class="sourceLineNo">103</span> }<a name="line.103"></a> |
| <span class="sourceLineNo">104</span> } else {<a name="line.104"></a> |
| <span class="sourceLineNo">105</span> if (right instanceof ByteBufferExtendedCell) {<a name="line.105"></a> |
| <span class="sourceLineNo">106</span> ByteBufferExtendedCell bbRight = (ByteBufferExtendedCell) right;<a name="line.106"></a> |
| <span class="sourceLineNo">107</span> return ByteBufferUtils.compareTo(left.getRowArray(), left.getRowOffset() + rowCommonPrefix,<a name="line.107"></a> |
| <span class="sourceLineNo">108</span> left.getRowLength() - rowCommonPrefix, bbRight.getRowByteBuffer(),<a name="line.108"></a> |
| <span class="sourceLineNo">109</span> bbRight.getRowPosition() + rowCommonPrefix, right.getRowLength() - rowCommonPrefix);<a name="line.109"></a> |
| <span class="sourceLineNo">110</span> } else {<a name="line.110"></a> |
| <span class="sourceLineNo">111</span> return Bytes.compareTo(left.getRowArray(), left.getRowOffset() + rowCommonPrefix,<a name="line.111"></a> |
| <span class="sourceLineNo">112</span> left.getRowLength() - rowCommonPrefix, right.getRowArray(),<a name="line.112"></a> |
| <span class="sourceLineNo">113</span> right.getRowOffset() + rowCommonPrefix, right.getRowLength() - rowCommonPrefix);<a name="line.113"></a> |
| <span class="sourceLineNo">114</span> }<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> public static int compareCommonFamilyPrefix(Cell left, Cell right, int familyCommonPrefix) {<a name="line.118"></a> |
| <span class="sourceLineNo">119</span> if (left instanceof ByteBufferExtendedCell) {<a name="line.119"></a> |
| <span class="sourceLineNo">120</span> ByteBufferExtendedCell bbLeft = (ByteBufferExtendedCell) left;<a name="line.120"></a> |
| <span class="sourceLineNo">121</span> if (right instanceof ByteBufferExtendedCell) {<a name="line.121"></a> |
| <span class="sourceLineNo">122</span> ByteBufferExtendedCell bbRight = (ByteBufferExtendedCell) right;<a name="line.122"></a> |
| <span class="sourceLineNo">123</span> return ByteBufferUtils.compareTo(bbLeft.getFamilyByteBuffer(),<a name="line.123"></a> |
| <span class="sourceLineNo">124</span> bbLeft.getFamilyPosition() + familyCommonPrefix,<a name="line.124"></a> |
| <span class="sourceLineNo">125</span> left.getFamilyLength() - familyCommonPrefix, bbRight.getFamilyByteBuffer(),<a name="line.125"></a> |
| <span class="sourceLineNo">126</span> bbRight.getFamilyPosition() + familyCommonPrefix,<a name="line.126"></a> |
| <span class="sourceLineNo">127</span> right.getFamilyLength() - familyCommonPrefix);<a name="line.127"></a> |
| <span class="sourceLineNo">128</span> } else {<a name="line.128"></a> |
| <span class="sourceLineNo">129</span> return ByteBufferUtils.compareTo(bbLeft.getFamilyByteBuffer(),<a name="line.129"></a> |
| <span class="sourceLineNo">130</span> bbLeft.getFamilyPosition() + familyCommonPrefix,<a name="line.130"></a> |
| <span class="sourceLineNo">131</span> left.getFamilyLength() - familyCommonPrefix, right.getFamilyArray(),<a name="line.131"></a> |
| <span class="sourceLineNo">132</span> right.getFamilyOffset() + familyCommonPrefix,<a name="line.132"></a> |
| <span class="sourceLineNo">133</span> right.getFamilyLength() - familyCommonPrefix);<a name="line.133"></a> |
| <span class="sourceLineNo">134</span> }<a name="line.134"></a> |
| <span class="sourceLineNo">135</span> } else {<a name="line.135"></a> |
| <span class="sourceLineNo">136</span> if (right instanceof ByteBufferExtendedCell) {<a name="line.136"></a> |
| <span class="sourceLineNo">137</span> ByteBufferExtendedCell bbRight = (ByteBufferExtendedCell) right;<a name="line.137"></a> |
| <span class="sourceLineNo">138</span> return ByteBufferUtils.compareTo(left.getFamilyArray(),<a name="line.138"></a> |
| <span class="sourceLineNo">139</span> left.getFamilyOffset() + familyCommonPrefix, left.getFamilyLength() - familyCommonPrefix,<a name="line.139"></a> |
| <span class="sourceLineNo">140</span> bbRight.getFamilyByteBuffer(), bbRight.getFamilyPosition() + familyCommonPrefix,<a name="line.140"></a> |
| <span class="sourceLineNo">141</span> right.getFamilyLength() - familyCommonPrefix);<a name="line.141"></a> |
| <span class="sourceLineNo">142</span> } else {<a name="line.142"></a> |
| <span class="sourceLineNo">143</span> return Bytes.compareTo(left.getFamilyArray(), left.getFamilyOffset() + familyCommonPrefix,<a name="line.143"></a> |
| <span class="sourceLineNo">144</span> left.getFamilyLength() - familyCommonPrefix, right.getFamilyArray(),<a name="line.144"></a> |
| <span class="sourceLineNo">145</span> right.getFamilyOffset() + familyCommonPrefix,<a name="line.145"></a> |
| <span class="sourceLineNo">146</span> right.getFamilyLength() - familyCommonPrefix);<a name="line.146"></a> |
| <span class="sourceLineNo">147</span> }<a name="line.147"></a> |
| <span class="sourceLineNo">148</span> }<a name="line.148"></a> |
| <span class="sourceLineNo">149</span> }<a name="line.149"></a> |
| <span class="sourceLineNo">150</span><a name="line.150"></a> |
| <span class="sourceLineNo">151</span> public static int compareCommonQualifierPrefix(Cell left, Cell right, int qualCommonPrefix) {<a name="line.151"></a> |
| <span class="sourceLineNo">152</span> if (left instanceof ByteBufferExtendedCell) {<a name="line.152"></a> |
| <span class="sourceLineNo">153</span> ByteBufferExtendedCell bbLeft = (ByteBufferExtendedCell) left;<a name="line.153"></a> |
| <span class="sourceLineNo">154</span> if (right instanceof ByteBufferExtendedCell) {<a name="line.154"></a> |
| <span class="sourceLineNo">155</span> ByteBufferExtendedCell bbRight = (ByteBufferExtendedCell) right;<a name="line.155"></a> |
| <span class="sourceLineNo">156</span> return ByteBufferUtils.compareTo(bbLeft.getQualifierByteBuffer(),<a name="line.156"></a> |
| <span class="sourceLineNo">157</span> bbLeft.getQualifierPosition() + qualCommonPrefix,<a name="line.157"></a> |
| <span class="sourceLineNo">158</span> left.getQualifierLength() - qualCommonPrefix, bbRight.getQualifierByteBuffer(),<a name="line.158"></a> |
| <span class="sourceLineNo">159</span> bbRight.getQualifierPosition() + qualCommonPrefix,<a name="line.159"></a> |
| <span class="sourceLineNo">160</span> right.getQualifierLength() - qualCommonPrefix);<a name="line.160"></a> |
| <span class="sourceLineNo">161</span> } else {<a name="line.161"></a> |
| <span class="sourceLineNo">162</span> return ByteBufferUtils.compareTo(bbLeft.getQualifierByteBuffer(),<a name="line.162"></a> |
| <span class="sourceLineNo">163</span> bbLeft.getQualifierPosition() + qualCommonPrefix,<a name="line.163"></a> |
| <span class="sourceLineNo">164</span> left.getQualifierLength() - qualCommonPrefix, right.getQualifierArray(),<a name="line.164"></a> |
| <span class="sourceLineNo">165</span> right.getQualifierOffset() + qualCommonPrefix,<a name="line.165"></a> |
| <span class="sourceLineNo">166</span> right.getQualifierLength() - qualCommonPrefix);<a name="line.166"></a> |
| <span class="sourceLineNo">167</span> }<a name="line.167"></a> |
| <span class="sourceLineNo">168</span> } else {<a name="line.168"></a> |
| <span class="sourceLineNo">169</span> if (right instanceof ByteBufferExtendedCell) {<a name="line.169"></a> |
| <span class="sourceLineNo">170</span> ByteBufferExtendedCell bbRight = (ByteBufferExtendedCell) right;<a name="line.170"></a> |
| <span class="sourceLineNo">171</span> return ByteBufferUtils.compareTo(left.getQualifierArray(),<a name="line.171"></a> |
| <span class="sourceLineNo">172</span> left.getQualifierOffset() + qualCommonPrefix,<a name="line.172"></a> |
| <span class="sourceLineNo">173</span> left.getQualifierLength() - qualCommonPrefix, bbRight.getQualifierByteBuffer(),<a name="line.173"></a> |
| <span class="sourceLineNo">174</span> bbRight.getQualifierPosition() + qualCommonPrefix,<a name="line.174"></a> |
| <span class="sourceLineNo">175</span> right.getQualifierLength() - qualCommonPrefix);<a name="line.175"></a> |
| <span class="sourceLineNo">176</span> } else {<a name="line.176"></a> |
| <span class="sourceLineNo">177</span> return Bytes.compareTo(left.getQualifierArray(),<a name="line.177"></a> |
| <span class="sourceLineNo">178</span> left.getQualifierOffset() + qualCommonPrefix,<a name="line.178"></a> |
| <span class="sourceLineNo">179</span> left.getQualifierLength() - qualCommonPrefix, right.getQualifierArray(),<a name="line.179"></a> |
| <span class="sourceLineNo">180</span> right.getQualifierOffset() + qualCommonPrefix,<a name="line.180"></a> |
| <span class="sourceLineNo">181</span> right.getQualifierLength() - qualCommonPrefix);<a name="line.181"></a> |
| <span class="sourceLineNo">182</span> }<a name="line.182"></a> |
| <span class="sourceLineNo">183</span> }<a name="line.183"></a> |
| <span class="sourceLineNo">184</span> }<a name="line.184"></a> |
| <span class="sourceLineNo">185</span><a name="line.185"></a> |
| <span class="sourceLineNo">186</span> protected static class SeekerState {<a name="line.186"></a> |
| <span class="sourceLineNo">187</span> protected ByteBuff currentBuffer;<a name="line.187"></a> |
| <span class="sourceLineNo">188</span> protected TagCompressionContext tagCompressionContext;<a name="line.188"></a> |
| <span class="sourceLineNo">189</span> protected int valueOffset = -1;<a name="line.189"></a> |
| <span class="sourceLineNo">190</span> protected int keyLength;<a name="line.190"></a> |
| <span class="sourceLineNo">191</span> protected int valueLength;<a name="line.191"></a> |
| <span class="sourceLineNo">192</span> protected int lastCommonPrefix;<a name="line.192"></a> |
| <span class="sourceLineNo">193</span> protected int tagsLength = 0;<a name="line.193"></a> |
| <span class="sourceLineNo">194</span> protected int tagsOffset = -1;<a name="line.194"></a> |
| <span class="sourceLineNo">195</span> protected int tagsCompressedLength = 0;<a name="line.195"></a> |
| <span class="sourceLineNo">196</span> protected boolean uncompressTags = true;<a name="line.196"></a> |
| <span class="sourceLineNo">197</span><a name="line.197"></a> |
| <span class="sourceLineNo">198</span> /** We need to store a copy of the key. */<a name="line.198"></a> |
| <span class="sourceLineNo">199</span> protected byte[] keyBuffer = HConstants.EMPTY_BYTE_ARRAY;<a name="line.199"></a> |
| <span class="sourceLineNo">200</span> protected byte[] tagsBuffer = HConstants.EMPTY_BYTE_ARRAY;<a name="line.200"></a> |
| <span class="sourceLineNo">201</span><a name="line.201"></a> |
| <span class="sourceLineNo">202</span> protected long memstoreTS;<a name="line.202"></a> |
| <span class="sourceLineNo">203</span> protected int nextKvOffset;<a name="line.203"></a> |
| <span class="sourceLineNo">204</span> protected KeyValue.KeyOnlyKeyValue currentKey = new KeyValue.KeyOnlyKeyValue();<a name="line.204"></a> |
| <span class="sourceLineNo">205</span> // A temp pair object which will be reused by ByteBuff#asSubByteBuffer calls. This avoids too<a name="line.205"></a> |
| <span class="sourceLineNo">206</span> // many object creations.<a name="line.206"></a> |
| <span class="sourceLineNo">207</span> private final ObjectIntPair<ByteBuffer> tmpPair;<a name="line.207"></a> |
| <span class="sourceLineNo">208</span> private final boolean includeTags;<a name="line.208"></a> |
| <span class="sourceLineNo">209</span><a name="line.209"></a> |
| <span class="sourceLineNo">210</span> public SeekerState(ObjectIntPair<ByteBuffer> tmpPair, boolean includeTags) {<a name="line.210"></a> |
| <span class="sourceLineNo">211</span> this.tmpPair = tmpPair;<a name="line.211"></a> |
| <span class="sourceLineNo">212</span> this.includeTags = includeTags;<a name="line.212"></a> |
| <span class="sourceLineNo">213</span> }<a name="line.213"></a> |
| <span class="sourceLineNo">214</span><a name="line.214"></a> |
| <span class="sourceLineNo">215</span> protected boolean isValid() {<a name="line.215"></a> |
| <span class="sourceLineNo">216</span> return valueOffset != -1;<a name="line.216"></a> |
| <span class="sourceLineNo">217</span> }<a name="line.217"></a> |
| <span class="sourceLineNo">218</span><a name="line.218"></a> |
| <span class="sourceLineNo">219</span> protected void invalidate() {<a name="line.219"></a> |
| <span class="sourceLineNo">220</span> valueOffset = -1;<a name="line.220"></a> |
| <span class="sourceLineNo">221</span> tagsCompressedLength = 0;<a name="line.221"></a> |
| <span class="sourceLineNo">222</span> currentKey.clear();<a name="line.222"></a> |
| <span class="sourceLineNo">223</span> uncompressTags = true;<a name="line.223"></a> |
| <span class="sourceLineNo">224</span> currentBuffer = null;<a name="line.224"></a> |
| <span class="sourceLineNo">225</span> }<a name="line.225"></a> |
| <span class="sourceLineNo">226</span><a name="line.226"></a> |
| <span class="sourceLineNo">227</span> protected void ensureSpaceForKey() {<a name="line.227"></a> |
| <span class="sourceLineNo">228</span> if (keyLength > keyBuffer.length) {<a name="line.228"></a> |
| <span class="sourceLineNo">229</span> int newKeyBufferLength =<a name="line.229"></a> |
| <span class="sourceLineNo">230</span> Integer.highestOneBit(Math.max(INITIAL_KEY_BUFFER_SIZE, keyLength) - 1) << 1;<a name="line.230"></a> |
| <span class="sourceLineNo">231</span> byte[] newKeyBuffer = new byte[newKeyBufferLength];<a name="line.231"></a> |
| <span class="sourceLineNo">232</span> System.arraycopy(keyBuffer, 0, newKeyBuffer, 0, keyBuffer.length);<a name="line.232"></a> |
| <span class="sourceLineNo">233</span> keyBuffer = newKeyBuffer;<a name="line.233"></a> |
| <span class="sourceLineNo">234</span> }<a name="line.234"></a> |
| <span class="sourceLineNo">235</span> }<a name="line.235"></a> |
| <span class="sourceLineNo">236</span><a name="line.236"></a> |
| <span class="sourceLineNo">237</span> protected void ensureSpaceForTags() {<a name="line.237"></a> |
| <span class="sourceLineNo">238</span> if (tagsLength > tagsBuffer.length) {<a name="line.238"></a> |
| <span class="sourceLineNo">239</span> int newTagsBufferLength =<a name="line.239"></a> |
| <span class="sourceLineNo">240</span> Integer.highestOneBit(Math.max(INITIAL_KEY_BUFFER_SIZE, tagsLength) - 1) << 1;<a name="line.240"></a> |
| <span class="sourceLineNo">241</span> byte[] newTagsBuffer = new byte[newTagsBufferLength];<a name="line.241"></a> |
| <span class="sourceLineNo">242</span> System.arraycopy(tagsBuffer, 0, newTagsBuffer, 0, tagsBuffer.length);<a name="line.242"></a> |
| <span class="sourceLineNo">243</span> tagsBuffer = newTagsBuffer;<a name="line.243"></a> |
| <span class="sourceLineNo">244</span> }<a name="line.244"></a> |
| <span class="sourceLineNo">245</span> }<a name="line.245"></a> |
| <span class="sourceLineNo">246</span><a name="line.246"></a> |
| <span class="sourceLineNo">247</span> protected void setKey(byte[] keyBuffer, long memTS) {<a name="line.247"></a> |
| <span class="sourceLineNo">248</span> currentKey.setKey(keyBuffer, 0, keyLength);<a name="line.248"></a> |
| <span class="sourceLineNo">249</span> memstoreTS = memTS;<a name="line.249"></a> |
| <span class="sourceLineNo">250</span> }<a name="line.250"></a> |
| <span class="sourceLineNo">251</span><a name="line.251"></a> |
| <span class="sourceLineNo">252</span> /**<a name="line.252"></a> |
| <span class="sourceLineNo">253</span> * Copy the state from the next one into this instance (the previous state placeholder). Used to<a name="line.253"></a> |
| <span class="sourceLineNo">254</span> * save the previous state when we are advancing the seeker to the next key/value.<a name="line.254"></a> |
| <span class="sourceLineNo">255</span> */<a name="line.255"></a> |
| <span class="sourceLineNo">256</span> protected void copyFromNext(SeekerState nextState) {<a name="line.256"></a> |
| <span class="sourceLineNo">257</span> if (keyBuffer.length != nextState.keyBuffer.length) {<a name="line.257"></a> |
| <span class="sourceLineNo">258</span> keyBuffer = nextState.keyBuffer.clone();<a name="line.258"></a> |
| <span class="sourceLineNo">259</span> } else if (!isValid()) {<a name="line.259"></a> |
| <span class="sourceLineNo">260</span> // Note: we can only call isValid before we override our state, so this<a name="line.260"></a> |
| <span class="sourceLineNo">261</span> // comes before all the assignments at the end of this method.<a name="line.261"></a> |
| <span class="sourceLineNo">262</span> System.arraycopy(nextState.keyBuffer, 0, keyBuffer, 0, nextState.keyLength);<a name="line.262"></a> |
| <span class="sourceLineNo">263</span> } else {<a name="line.263"></a> |
| <span class="sourceLineNo">264</span> // don't copy the common prefix between this key and the previous one<a name="line.264"></a> |
| <span class="sourceLineNo">265</span> System.arraycopy(nextState.keyBuffer, nextState.lastCommonPrefix, keyBuffer,<a name="line.265"></a> |
| <span class="sourceLineNo">266</span> nextState.lastCommonPrefix, nextState.keyLength - nextState.lastCommonPrefix);<a name="line.266"></a> |
| <span class="sourceLineNo">267</span> }<a name="line.267"></a> |
| <span class="sourceLineNo">268</span> currentKey.set(nextState.currentKey);<a name="line.268"></a> |
| <span class="sourceLineNo">269</span><a name="line.269"></a> |
| <span class="sourceLineNo">270</span> valueOffset = nextState.valueOffset;<a name="line.270"></a> |
| <span class="sourceLineNo">271</span> keyLength = nextState.keyLength;<a name="line.271"></a> |
| <span class="sourceLineNo">272</span> valueLength = nextState.valueLength;<a name="line.272"></a> |
| <span class="sourceLineNo">273</span> lastCommonPrefix = nextState.lastCommonPrefix;<a name="line.273"></a> |
| <span class="sourceLineNo">274</span> nextKvOffset = nextState.nextKvOffset;<a name="line.274"></a> |
| <span class="sourceLineNo">275</span> memstoreTS = nextState.memstoreTS;<a name="line.275"></a> |
| <span class="sourceLineNo">276</span> currentBuffer = nextState.currentBuffer;<a name="line.276"></a> |
| <span class="sourceLineNo">277</span> tagsOffset = nextState.tagsOffset;<a name="line.277"></a> |
| <span class="sourceLineNo">278</span> tagsLength = nextState.tagsLength;<a name="line.278"></a> |
| <span class="sourceLineNo">279</span> if (nextState.tagCompressionContext != null) {<a name="line.279"></a> |
| <span class="sourceLineNo">280</span> tagCompressionContext = nextState.tagCompressionContext;<a name="line.280"></a> |
| <span class="sourceLineNo">281</span> }<a name="line.281"></a> |
| <span class="sourceLineNo">282</span> }<a name="line.282"></a> |
| <span class="sourceLineNo">283</span><a name="line.283"></a> |
| <span class="sourceLineNo">284</span> public Cell toCell() {<a name="line.284"></a> |
| <span class="sourceLineNo">285</span> // Buffer backing the value and tags part from the HFileBlock's buffer<a name="line.285"></a> |
| <span class="sourceLineNo">286</span> // When tag compression in use, this will be only the value bytes area.<a name="line.286"></a> |
| <span class="sourceLineNo">287</span> ByteBuffer valAndTagsBuffer;<a name="line.287"></a> |
| <span class="sourceLineNo">288</span> int vOffset;<a name="line.288"></a> |
| <span class="sourceLineNo">289</span> int valAndTagsLength = this.valueLength;<a name="line.289"></a> |
| <span class="sourceLineNo">290</span> int tagsLenSerializationSize = 0;<a name="line.290"></a> |
| <span class="sourceLineNo">291</span> if (this.includeTags && this.tagCompressionContext == null) {<a name="line.291"></a> |
| <span class="sourceLineNo">292</span> // Include the tags part also. This will be the tags bytes + 2 bytes of for storing tags<a name="line.292"></a> |
| <span class="sourceLineNo">293</span> // length<a name="line.293"></a> |
| <span class="sourceLineNo">294</span> tagsLenSerializationSize = this.tagsOffset - (this.valueOffset + this.valueLength);<a name="line.294"></a> |
| <span class="sourceLineNo">295</span> valAndTagsLength += tagsLenSerializationSize + this.tagsLength;<a name="line.295"></a> |
| <span class="sourceLineNo">296</span> }<a name="line.296"></a> |
| <span class="sourceLineNo">297</span> this.currentBuffer.asSubByteBuffer(this.valueOffset, valAndTagsLength, this.tmpPair);<a name="line.297"></a> |
| <span class="sourceLineNo">298</span> valAndTagsBuffer = this.tmpPair.getFirst();<a name="line.298"></a> |
| <span class="sourceLineNo">299</span> vOffset = this.tmpPair.getSecond();// This is the offset to value part in the BB<a name="line.299"></a> |
| <span class="sourceLineNo">300</span> if (valAndTagsBuffer.hasArray()) {<a name="line.300"></a> |
| <span class="sourceLineNo">301</span> return toOnheapCell(valAndTagsBuffer, vOffset, tagsLenSerializationSize);<a name="line.301"></a> |
| <span class="sourceLineNo">302</span> } else {<a name="line.302"></a> |
| <span class="sourceLineNo">303</span> return toOffheapCell(valAndTagsBuffer, vOffset, tagsLenSerializationSize);<a name="line.303"></a> |
| <span class="sourceLineNo">304</span> }<a name="line.304"></a> |
| <span class="sourceLineNo">305</span> }<a name="line.305"></a> |
| <span class="sourceLineNo">306</span><a name="line.306"></a> |
| <span class="sourceLineNo">307</span> private Cell toOnheapCell(ByteBuffer valAndTagsBuffer, int vOffset,<a name="line.307"></a> |
| <span class="sourceLineNo">308</span> int tagsLenSerializationSize) {<a name="line.308"></a> |
| <span class="sourceLineNo">309</span> byte[] tagsArray = HConstants.EMPTY_BYTE_ARRAY;<a name="line.309"></a> |
| <span class="sourceLineNo">310</span> int tOffset = 0;<a name="line.310"></a> |
| <span class="sourceLineNo">311</span> if (this.includeTags) {<a name="line.311"></a> |
| <span class="sourceLineNo">312</span> if (this.tagCompressionContext == null) {<a name="line.312"></a> |
| <span class="sourceLineNo">313</span> tagsArray = valAndTagsBuffer.array();<a name="line.313"></a> |
| <span class="sourceLineNo">314</span> tOffset =<a name="line.314"></a> |
| <span class="sourceLineNo">315</span> valAndTagsBuffer.arrayOffset() + vOffset + this.valueLength + tagsLenSerializationSize;<a name="line.315"></a> |
| <span class="sourceLineNo">316</span> } else {<a name="line.316"></a> |
| <span class="sourceLineNo">317</span> tagsArray = Bytes.copy(tagsBuffer, 0, this.tagsLength);<a name="line.317"></a> |
| <span class="sourceLineNo">318</span> tOffset = 0;<a name="line.318"></a> |
| <span class="sourceLineNo">319</span> }<a name="line.319"></a> |
| <span class="sourceLineNo">320</span> }<a name="line.320"></a> |
| <span class="sourceLineNo">321</span> return new OnheapDecodedCell(Bytes.copy(keyBuffer, 0, this.keyLength),<a name="line.321"></a> |
| <span class="sourceLineNo">322</span> currentKey.getRowLength(), currentKey.getFamilyOffset(), currentKey.getFamilyLength(),<a name="line.322"></a> |
| <span class="sourceLineNo">323</span> currentKey.getQualifierOffset(), currentKey.getQualifierLength(), currentKey.getTimestamp(),<a name="line.323"></a> |
| <span class="sourceLineNo">324</span> currentKey.getTypeByte(), valAndTagsBuffer.array(),<a name="line.324"></a> |
| <span class="sourceLineNo">325</span> valAndTagsBuffer.arrayOffset() + vOffset, this.valueLength, memstoreTS, tagsArray, tOffset,<a name="line.325"></a> |
| <span class="sourceLineNo">326</span> this.tagsLength);<a name="line.326"></a> |
| <span class="sourceLineNo">327</span> }<a name="line.327"></a> |
| <span class="sourceLineNo">328</span><a name="line.328"></a> |
| <span class="sourceLineNo">329</span> private Cell toOffheapCell(ByteBuffer valAndTagsBuffer, int vOffset,<a name="line.329"></a> |
| <span class="sourceLineNo">330</span> int tagsLenSerializationSize) {<a name="line.330"></a> |
| <span class="sourceLineNo">331</span> ByteBuffer tagsBuf = HConstants.EMPTY_BYTE_BUFFER;<a name="line.331"></a> |
| <span class="sourceLineNo">332</span> int tOffset = 0;<a name="line.332"></a> |
| <span class="sourceLineNo">333</span> if (this.includeTags) {<a name="line.333"></a> |
| <span class="sourceLineNo">334</span> if (this.tagCompressionContext == null) {<a name="line.334"></a> |
| <span class="sourceLineNo">335</span> tagsBuf = valAndTagsBuffer;<a name="line.335"></a> |
| <span class="sourceLineNo">336</span> tOffset = vOffset + this.valueLength + tagsLenSerializationSize;<a name="line.336"></a> |
| <span class="sourceLineNo">337</span> } else {<a name="line.337"></a> |
| <span class="sourceLineNo">338</span> tagsBuf = ByteBuffer.wrap(Bytes.copy(tagsBuffer, 0, this.tagsLength));<a name="line.338"></a> |
| <span class="sourceLineNo">339</span> tOffset = 0;<a name="line.339"></a> |
| <span class="sourceLineNo">340</span> }<a name="line.340"></a> |
| <span class="sourceLineNo">341</span> }<a name="line.341"></a> |
| <span class="sourceLineNo">342</span> return new OffheapDecodedExtendedCell(<a name="line.342"></a> |
| <span class="sourceLineNo">343</span> ByteBuffer.wrap(Bytes.copy(keyBuffer, 0, this.keyLength)), currentKey.getRowLength(),<a name="line.343"></a> |
| <span class="sourceLineNo">344</span> currentKey.getFamilyOffset(), currentKey.getFamilyLength(), currentKey.getQualifierOffset(),<a name="line.344"></a> |
| <span class="sourceLineNo">345</span> currentKey.getQualifierLength(), currentKey.getTimestamp(), currentKey.getTypeByte(),<a name="line.345"></a> |
| <span class="sourceLineNo">346</span> valAndTagsBuffer, vOffset, this.valueLength, memstoreTS, tagsBuf, tOffset, this.tagsLength);<a name="line.346"></a> |
| <span class="sourceLineNo">347</span> }<a name="line.347"></a> |
| <span class="sourceLineNo">348</span> }<a name="line.348"></a> |
| <span class="sourceLineNo">349</span><a name="line.349"></a> |
| <span class="sourceLineNo">350</span> /**<a name="line.350"></a> |
| <span class="sourceLineNo">351</span> * Copies only the key part of the keybuffer by doing a deep copy and passes the seeker state<a name="line.351"></a> |
| <span class="sourceLineNo">352</span> * members for taking a clone. Note that the value byte[] part is still pointing to the<a name="line.352"></a> |
| <span class="sourceLineNo">353</span> * currentBuffer and represented by the valueOffset and valueLength<a name="line.353"></a> |
| <span class="sourceLineNo">354</span> */<a name="line.354"></a> |
| <span class="sourceLineNo">355</span> // We return this as a Cell to the upper layers of read flow and might try setting a new SeqId<a name="line.355"></a> |
| <span class="sourceLineNo">356</span> // there. So this has to be an instance of ExtendedCell.<a name="line.356"></a> |
| <span class="sourceLineNo">357</span> protected static class OnheapDecodedCell implements ExtendedCell {<a name="line.357"></a> |
| <span class="sourceLineNo">358</span> private static final long FIXED_OVERHEAD = ClassSize.align(ClassSize.OBJECT<a name="line.358"></a> |
| <span class="sourceLineNo">359</span> + (3 * ClassSize.REFERENCE) + (2 * Bytes.SIZEOF_LONG) + (7 * Bytes.SIZEOF_INT)<a name="line.359"></a> |
| <span class="sourceLineNo">360</span> + Bytes.SIZEOF_SHORT + (2 * Bytes.SIZEOF_BYTE) + (3 * ClassSize.ARRAY));<a name="line.360"></a> |
| <span class="sourceLineNo">361</span> private byte[] keyOnlyBuffer;<a name="line.361"></a> |
| <span class="sourceLineNo">362</span> private short rowLength;<a name="line.362"></a> |
| <span class="sourceLineNo">363</span> private int familyOffset;<a name="line.363"></a> |
| <span class="sourceLineNo">364</span> private byte familyLength;<a name="line.364"></a> |
| <span class="sourceLineNo">365</span> private int qualifierOffset;<a name="line.365"></a> |
| <span class="sourceLineNo">366</span> private int qualifierLength;<a name="line.366"></a> |
| <span class="sourceLineNo">367</span> private long timeStamp;<a name="line.367"></a> |
| <span class="sourceLineNo">368</span> private byte typeByte;<a name="line.368"></a> |
| <span class="sourceLineNo">369</span> private byte[] valueBuffer;<a name="line.369"></a> |
| <span class="sourceLineNo">370</span> private int valueOffset;<a name="line.370"></a> |
| <span class="sourceLineNo">371</span> private int valueLength;<a name="line.371"></a> |
| <span class="sourceLineNo">372</span> private byte[] tagsBuffer;<a name="line.372"></a> |
| <span class="sourceLineNo">373</span> private int tagsOffset;<a name="line.373"></a> |
| <span class="sourceLineNo">374</span> private int tagsLength;<a name="line.374"></a> |
| <span class="sourceLineNo">375</span> private long seqId;<a name="line.375"></a> |
| <span class="sourceLineNo">376</span><a name="line.376"></a> |
| <span class="sourceLineNo">377</span> protected OnheapDecodedCell(byte[] keyBuffer, short rowLength, int familyOffset,<a name="line.377"></a> |
| <span class="sourceLineNo">378</span> byte familyLength, int qualOffset, int qualLength, long timeStamp, byte typeByte,<a name="line.378"></a> |
| <span class="sourceLineNo">379</span> byte[] valueBuffer, int valueOffset, int valueLen, long seqId, byte[] tagsBuffer,<a name="line.379"></a> |
| <span class="sourceLineNo">380</span> int tagsOffset, int tagsLength) {<a name="line.380"></a> |
| <span class="sourceLineNo">381</span> this.keyOnlyBuffer = keyBuffer;<a name="line.381"></a> |
| <span class="sourceLineNo">382</span> this.rowLength = rowLength;<a name="line.382"></a> |
| <span class="sourceLineNo">383</span> this.familyOffset = familyOffset;<a name="line.383"></a> |
| <span class="sourceLineNo">384</span> this.familyLength = familyLength;<a name="line.384"></a> |
| <span class="sourceLineNo">385</span> this.qualifierOffset = qualOffset;<a name="line.385"></a> |
| <span class="sourceLineNo">386</span> this.qualifierLength = qualLength;<a name="line.386"></a> |
| <span class="sourceLineNo">387</span> this.timeStamp = timeStamp;<a name="line.387"></a> |
| <span class="sourceLineNo">388</span> this.typeByte = typeByte;<a name="line.388"></a> |
| <span class="sourceLineNo">389</span> this.valueBuffer = valueBuffer;<a name="line.389"></a> |
| <span class="sourceLineNo">390</span> this.valueOffset = valueOffset;<a name="line.390"></a> |
| <span class="sourceLineNo">391</span> this.valueLength = valueLen;<a name="line.391"></a> |
| <span class="sourceLineNo">392</span> this.tagsBuffer = tagsBuffer;<a name="line.392"></a> |
| <span class="sourceLineNo">393</span> this.tagsOffset = tagsOffset;<a name="line.393"></a> |
| <span class="sourceLineNo">394</span> this.tagsLength = tagsLength;<a name="line.394"></a> |
| <span class="sourceLineNo">395</span> setSequenceId(seqId);<a name="line.395"></a> |
| <span class="sourceLineNo">396</span> }<a name="line.396"></a> |
| <span class="sourceLineNo">397</span><a name="line.397"></a> |
| <span class="sourceLineNo">398</span> @Override<a name="line.398"></a> |
| <span class="sourceLineNo">399</span> public byte[] getRowArray() {<a name="line.399"></a> |
| <span class="sourceLineNo">400</span> return keyOnlyBuffer;<a name="line.400"></a> |
| <span class="sourceLineNo">401</span> }<a name="line.401"></a> |
| <span class="sourceLineNo">402</span><a name="line.402"></a> |
| <span class="sourceLineNo">403</span> @Override<a name="line.403"></a> |
| <span class="sourceLineNo">404</span> public byte[] getFamilyArray() {<a name="line.404"></a> |
| <span class="sourceLineNo">405</span> return keyOnlyBuffer;<a name="line.405"></a> |
| <span class="sourceLineNo">406</span> }<a name="line.406"></a> |
| <span class="sourceLineNo">407</span><a name="line.407"></a> |
| <span class="sourceLineNo">408</span> @Override<a name="line.408"></a> |
| <span class="sourceLineNo">409</span> public byte[] getQualifierArray() {<a name="line.409"></a> |
| <span class="sourceLineNo">410</span> return keyOnlyBuffer;<a name="line.410"></a> |
| <span class="sourceLineNo">411</span> }<a name="line.411"></a> |
| <span class="sourceLineNo">412</span><a name="line.412"></a> |
| <span class="sourceLineNo">413</span> @Override<a name="line.413"></a> |
| <span class="sourceLineNo">414</span> public int getRowOffset() {<a name="line.414"></a> |
| <span class="sourceLineNo">415</span> return Bytes.SIZEOF_SHORT;<a name="line.415"></a> |
| <span class="sourceLineNo">416</span> }<a name="line.416"></a> |
| <span class="sourceLineNo">417</span><a name="line.417"></a> |
| <span class="sourceLineNo">418</span> @Override<a name="line.418"></a> |
| <span class="sourceLineNo">419</span> public short getRowLength() {<a name="line.419"></a> |
| <span class="sourceLineNo">420</span> return rowLength;<a name="line.420"></a> |
| <span class="sourceLineNo">421</span> }<a name="line.421"></a> |
| <span class="sourceLineNo">422</span><a name="line.422"></a> |
| <span class="sourceLineNo">423</span> @Override<a name="line.423"></a> |
| <span class="sourceLineNo">424</span> public int getFamilyOffset() {<a name="line.424"></a> |
| <span class="sourceLineNo">425</span> return familyOffset;<a name="line.425"></a> |
| <span class="sourceLineNo">426</span> }<a name="line.426"></a> |
| <span class="sourceLineNo">427</span><a name="line.427"></a> |
| <span class="sourceLineNo">428</span> @Override<a name="line.428"></a> |
| <span class="sourceLineNo">429</span> public byte getFamilyLength() {<a name="line.429"></a> |
| <span class="sourceLineNo">430</span> return familyLength;<a name="line.430"></a> |
| <span class="sourceLineNo">431</span> }<a name="line.431"></a> |
| <span class="sourceLineNo">432</span><a name="line.432"></a> |
| <span class="sourceLineNo">433</span> @Override<a name="line.433"></a> |
| <span class="sourceLineNo">434</span> public int getQualifierOffset() {<a name="line.434"></a> |
| <span class="sourceLineNo">435</span> return qualifierOffset;<a name="line.435"></a> |
| <span class="sourceLineNo">436</span> }<a name="line.436"></a> |
| <span class="sourceLineNo">437</span><a name="line.437"></a> |
| <span class="sourceLineNo">438</span> @Override<a name="line.438"></a> |
| <span class="sourceLineNo">439</span> public int getQualifierLength() {<a name="line.439"></a> |
| <span class="sourceLineNo">440</span> return qualifierLength;<a name="line.440"></a> |
| <span class="sourceLineNo">441</span> }<a name="line.441"></a> |
| <span class="sourceLineNo">442</span><a name="line.442"></a> |
| <span class="sourceLineNo">443</span> @Override<a name="line.443"></a> |
| <span class="sourceLineNo">444</span> public long getTimestamp() {<a name="line.444"></a> |
| <span class="sourceLineNo">445</span> return timeStamp;<a name="line.445"></a> |
| <span class="sourceLineNo">446</span> }<a name="line.446"></a> |
| <span class="sourceLineNo">447</span><a name="line.447"></a> |
| <span class="sourceLineNo">448</span> @Override<a name="line.448"></a> |
| <span class="sourceLineNo">449</span> public byte getTypeByte() {<a name="line.449"></a> |
| <span class="sourceLineNo">450</span> return typeByte;<a name="line.450"></a> |
| <span class="sourceLineNo">451</span> }<a name="line.451"></a> |
| <span class="sourceLineNo">452</span><a name="line.452"></a> |
| <span class="sourceLineNo">453</span> @Override<a name="line.453"></a> |
| <span class="sourceLineNo">454</span> public long getSequenceId() {<a name="line.454"></a> |
| <span class="sourceLineNo">455</span> return seqId;<a name="line.455"></a> |
| <span class="sourceLineNo">456</span> }<a name="line.456"></a> |
| <span class="sourceLineNo">457</span><a name="line.457"></a> |
| <span class="sourceLineNo">458</span> @Override<a name="line.458"></a> |
| <span class="sourceLineNo">459</span> public byte[] getValueArray() {<a name="line.459"></a> |
| <span class="sourceLineNo">460</span> return this.valueBuffer;<a name="line.460"></a> |
| <span class="sourceLineNo">461</span> }<a name="line.461"></a> |
| <span class="sourceLineNo">462</span><a name="line.462"></a> |
| <span class="sourceLineNo">463</span> @Override<a name="line.463"></a> |
| <span class="sourceLineNo">464</span> public int getValueOffset() {<a name="line.464"></a> |
| <span class="sourceLineNo">465</span> return valueOffset;<a name="line.465"></a> |
| <span class="sourceLineNo">466</span> }<a name="line.466"></a> |
| <span class="sourceLineNo">467</span><a name="line.467"></a> |
| <span class="sourceLineNo">468</span> @Override<a name="line.468"></a> |
| <span class="sourceLineNo">469</span> public int getValueLength() {<a name="line.469"></a> |
| <span class="sourceLineNo">470</span> return valueLength;<a name="line.470"></a> |
| <span class="sourceLineNo">471</span> }<a name="line.471"></a> |
| <span class="sourceLineNo">472</span><a name="line.472"></a> |
| <span class="sourceLineNo">473</span> @Override<a name="line.473"></a> |
| <span class="sourceLineNo">474</span> public byte[] getTagsArray() {<a name="line.474"></a> |
| <span class="sourceLineNo">475</span> return this.tagsBuffer;<a name="line.475"></a> |
| <span class="sourceLineNo">476</span> }<a name="line.476"></a> |
| <span class="sourceLineNo">477</span><a name="line.477"></a> |
| <span class="sourceLineNo">478</span> @Override<a name="line.478"></a> |
| <span class="sourceLineNo">479</span> public int getTagsOffset() {<a name="line.479"></a> |
| <span class="sourceLineNo">480</span> return this.tagsOffset;<a name="line.480"></a> |
| <span class="sourceLineNo">481</span> }<a name="line.481"></a> |
| <span class="sourceLineNo">482</span><a name="line.482"></a> |
| <span class="sourceLineNo">483</span> @Override<a name="line.483"></a> |
| <span class="sourceLineNo">484</span> public int getTagsLength() {<a name="line.484"></a> |
| <span class="sourceLineNo">485</span> return tagsLength;<a name="line.485"></a> |
| <span class="sourceLineNo">486</span> }<a name="line.486"></a> |
| <span class="sourceLineNo">487</span><a name="line.487"></a> |
| <span class="sourceLineNo">488</span> @Override<a name="line.488"></a> |
| <span class="sourceLineNo">489</span> public String toString() {<a name="line.489"></a> |
| <span class="sourceLineNo">490</span> return KeyValue.keyToString(this.keyOnlyBuffer, 0, KeyValueUtil.keyLength(this)) + "/vlen="<a name="line.490"></a> |
| <span class="sourceLineNo">491</span> + getValueLength() + "/seqid=" + seqId;<a name="line.491"></a> |
| <span class="sourceLineNo">492</span> }<a name="line.492"></a> |
| <span class="sourceLineNo">493</span><a name="line.493"></a> |
| <span class="sourceLineNo">494</span> @Override<a name="line.494"></a> |
| <span class="sourceLineNo">495</span> public void setSequenceId(long seqId) {<a name="line.495"></a> |
| <span class="sourceLineNo">496</span> this.seqId = seqId;<a name="line.496"></a> |
| <span class="sourceLineNo">497</span> }<a name="line.497"></a> |
| <span class="sourceLineNo">498</span><a name="line.498"></a> |
| <span class="sourceLineNo">499</span> @Override<a name="line.499"></a> |
| <span class="sourceLineNo">500</span> public long heapSize() {<a name="line.500"></a> |
| <span class="sourceLineNo">501</span> return FIXED_OVERHEAD + rowLength + familyLength + qualifierLength + valueLength + tagsLength;<a name="line.501"></a> |
| <span class="sourceLineNo">502</span> }<a name="line.502"></a> |
| <span class="sourceLineNo">503</span><a name="line.503"></a> |
| <span class="sourceLineNo">504</span> @Override<a name="line.504"></a> |
| <span class="sourceLineNo">505</span> public int write(OutputStream out, boolean withTags) throws IOException {<a name="line.505"></a> |
| <span class="sourceLineNo">506</span> int lenToWrite = getSerializedSize(withTags);<a name="line.506"></a> |
| <span class="sourceLineNo">507</span> ByteBufferUtils.putInt(out, keyOnlyBuffer.length);<a name="line.507"></a> |
| <span class="sourceLineNo">508</span> ByteBufferUtils.putInt(out, valueLength);<a name="line.508"></a> |
| <span class="sourceLineNo">509</span> // Write key<a name="line.509"></a> |
| <span class="sourceLineNo">510</span> out.write(keyOnlyBuffer);<a name="line.510"></a> |
| <span class="sourceLineNo">511</span> // Write value<a name="line.511"></a> |
| <span class="sourceLineNo">512</span> out.write(this.valueBuffer, this.valueOffset, this.valueLength);<a name="line.512"></a> |
| <span class="sourceLineNo">513</span> if (withTags && this.tagsLength > 0) {<a name="line.513"></a> |
| <span class="sourceLineNo">514</span> // 2 bytes tags length followed by tags bytes<a name="line.514"></a> |
| <span class="sourceLineNo">515</span> // tags length is serialized with 2 bytes only(short way) even if the type is int.<a name="line.515"></a> |
| <span class="sourceLineNo">516</span> // As this is non -ve numbers, we save the sign bit. See HBASE-11437<a name="line.516"></a> |
| <span class="sourceLineNo">517</span> out.write((byte) (0xff & (this.tagsLength >> 8)));<a name="line.517"></a> |
| <span class="sourceLineNo">518</span> out.write((byte) (0xff & this.tagsLength));<a name="line.518"></a> |
| <span class="sourceLineNo">519</span> out.write(this.tagsBuffer, this.tagsOffset, this.tagsLength);<a name="line.519"></a> |
| <span class="sourceLineNo">520</span> }<a name="line.520"></a> |
| <span class="sourceLineNo">521</span> return lenToWrite;<a name="line.521"></a> |
| <span class="sourceLineNo">522</span> }<a name="line.522"></a> |
| <span class="sourceLineNo">523</span><a name="line.523"></a> |
| <span class="sourceLineNo">524</span> @Override<a name="line.524"></a> |
| <span class="sourceLineNo">525</span> public int getSerializedSize(boolean withTags) {<a name="line.525"></a> |
| <span class="sourceLineNo">526</span> return KeyValueUtil.length(rowLength, familyLength, qualifierLength, valueLength, tagsLength,<a name="line.526"></a> |
| <span class="sourceLineNo">527</span> withTags);<a name="line.527"></a> |
| <span class="sourceLineNo">528</span> }<a name="line.528"></a> |
| <span class="sourceLineNo">529</span><a name="line.529"></a> |
| <span class="sourceLineNo">530</span> @Override<a name="line.530"></a> |
| <span class="sourceLineNo">531</span> public void write(ByteBuffer buf, int offset) {<a name="line.531"></a> |
| <span class="sourceLineNo">532</span> // This is not used in actual flow. Throwing UnsupportedOperationException<a name="line.532"></a> |
| <span class="sourceLineNo">533</span> throw new UnsupportedOperationException();<a name="line.533"></a> |
| <span class="sourceLineNo">534</span> }<a name="line.534"></a> |
| <span class="sourceLineNo">535</span><a name="line.535"></a> |
| <span class="sourceLineNo">536</span> @Override<a name="line.536"></a> |
| <span class="sourceLineNo">537</span> public void setTimestamp(long ts) throws IOException {<a name="line.537"></a> |
| <span class="sourceLineNo">538</span> // This is not used in actual flow. Throwing UnsupportedOperationException<a name="line.538"></a> |
| <span class="sourceLineNo">539</span> throw new UnsupportedOperationException();<a name="line.539"></a> |
| <span class="sourceLineNo">540</span> }<a name="line.540"></a> |
| <span class="sourceLineNo">541</span><a name="line.541"></a> |
| <span class="sourceLineNo">542</span> @Override<a name="line.542"></a> |
| <span class="sourceLineNo">543</span> public void setTimestamp(byte[] ts) throws IOException {<a name="line.543"></a> |
| <span class="sourceLineNo">544</span> // This is not used in actual flow. Throwing UnsupportedOperationException<a name="line.544"></a> |
| <span class="sourceLineNo">545</span> throw new UnsupportedOperationException();<a name="line.545"></a> |
| <span class="sourceLineNo">546</span> }<a name="line.546"></a> |
| <span class="sourceLineNo">547</span><a name="line.547"></a> |
| <span class="sourceLineNo">548</span> @Override<a name="line.548"></a> |
| <span class="sourceLineNo">549</span> public ExtendedCell deepClone() {<a name="line.549"></a> |
| <span class="sourceLineNo">550</span> // This is not used in actual flow. Throwing UnsupportedOperationException<a name="line.550"></a> |
| <span class="sourceLineNo">551</span> throw new UnsupportedOperationException();<a name="line.551"></a> |
| <span class="sourceLineNo">552</span> }<a name="line.552"></a> |
| <span class="sourceLineNo">553</span> }<a name="line.553"></a> |
| <span class="sourceLineNo">554</span><a name="line.554"></a> |
| <span class="sourceLineNo">555</span> protected static class OffheapDecodedExtendedCell extends ByteBufferExtendedCell {<a name="line.555"></a> |
| <span class="sourceLineNo">556</span> private static final long FIXED_OVERHEAD =<a name="line.556"></a> |
| <span class="sourceLineNo">557</span> (long) ClassSize.align(ClassSize.OBJECT + (3 * ClassSize.REFERENCE) + (2 * Bytes.SIZEOF_LONG)<a name="line.557"></a> |
| <span class="sourceLineNo">558</span> + (7 * Bytes.SIZEOF_INT) + Bytes.SIZEOF_SHORT) + (2 * Bytes.SIZEOF_BYTE)<a name="line.558"></a> |
| <span class="sourceLineNo">559</span> + (3 * ClassSize.BYTE_BUFFER);<a name="line.559"></a> |
| <span class="sourceLineNo">560</span> private ByteBuffer keyBuffer;<a name="line.560"></a> |
| <span class="sourceLineNo">561</span> private short rowLength;<a name="line.561"></a> |
| <span class="sourceLineNo">562</span> private int familyOffset;<a name="line.562"></a> |
| <span class="sourceLineNo">563</span> private byte familyLength;<a name="line.563"></a> |
| <span class="sourceLineNo">564</span> private int qualifierOffset;<a name="line.564"></a> |
| <span class="sourceLineNo">565</span> private int qualifierLength;<a name="line.565"></a> |
| <span class="sourceLineNo">566</span> private long timeStamp;<a name="line.566"></a> |
| <span class="sourceLineNo">567</span> private byte typeByte;<a name="line.567"></a> |
| <span class="sourceLineNo">568</span> private ByteBuffer valueBuffer;<a name="line.568"></a> |
| <span class="sourceLineNo">569</span> private int valueOffset;<a name="line.569"></a> |
| <span class="sourceLineNo">570</span> private int valueLength;<a name="line.570"></a> |
| <span class="sourceLineNo">571</span> private ByteBuffer tagsBuffer;<a name="line.571"></a> |
| <span class="sourceLineNo">572</span> private int tagsOffset;<a name="line.572"></a> |
| <span class="sourceLineNo">573</span> private int tagsLength;<a name="line.573"></a> |
| <span class="sourceLineNo">574</span> private long seqId;<a name="line.574"></a> |
| <span class="sourceLineNo">575</span><a name="line.575"></a> |
| <span class="sourceLineNo">576</span> protected OffheapDecodedExtendedCell(ByteBuffer keyBuffer, short rowLength, int familyOffset,<a name="line.576"></a> |
| <span class="sourceLineNo">577</span> byte familyLength, int qualOffset, int qualLength, long timeStamp, byte typeByte,<a name="line.577"></a> |
| <span class="sourceLineNo">578</span> ByteBuffer valueBuffer, int valueOffset, int valueLen, long seqId, ByteBuffer tagsBuffer,<a name="line.578"></a> |
| <span class="sourceLineNo">579</span> int tagsOffset, int tagsLength) {<a name="line.579"></a> |
| <span class="sourceLineNo">580</span> // The keyBuffer is always onheap<a name="line.580"></a> |
| <span class="sourceLineNo">581</span> assert keyBuffer.hasArray();<a name="line.581"></a> |
| <span class="sourceLineNo">582</span> assert keyBuffer.arrayOffset() == 0;<a name="line.582"></a> |
| <span class="sourceLineNo">583</span> this.keyBuffer = keyBuffer;<a name="line.583"></a> |
| <span class="sourceLineNo">584</span> this.rowLength = rowLength;<a name="line.584"></a> |
| <span class="sourceLineNo">585</span> this.familyOffset = familyOffset;<a name="line.585"></a> |
| <span class="sourceLineNo">586</span> this.familyLength = familyLength;<a name="line.586"></a> |
| <span class="sourceLineNo">587</span> this.qualifierOffset = qualOffset;<a name="line.587"></a> |
| <span class="sourceLineNo">588</span> this.qualifierLength = qualLength;<a name="line.588"></a> |
| <span class="sourceLineNo">589</span> this.timeStamp = timeStamp;<a name="line.589"></a> |
| <span class="sourceLineNo">590</span> this.typeByte = typeByte;<a name="line.590"></a> |
| <span class="sourceLineNo">591</span> this.valueBuffer = valueBuffer;<a name="line.591"></a> |
| <span class="sourceLineNo">592</span> this.valueOffset = valueOffset;<a name="line.592"></a> |
| <span class="sourceLineNo">593</span> this.valueLength = valueLen;<a name="line.593"></a> |
| <span class="sourceLineNo">594</span> this.tagsBuffer = tagsBuffer;<a name="line.594"></a> |
| <span class="sourceLineNo">595</span> this.tagsOffset = tagsOffset;<a name="line.595"></a> |
| <span class="sourceLineNo">596</span> this.tagsLength = tagsLength;<a name="line.596"></a> |
| <span class="sourceLineNo">597</span> setSequenceId(seqId);<a name="line.597"></a> |
| <span class="sourceLineNo">598</span> }<a name="line.598"></a> |
| <span class="sourceLineNo">599</span><a name="line.599"></a> |
| <span class="sourceLineNo">600</span> @Override<a name="line.600"></a> |
| <span class="sourceLineNo">601</span> @SuppressWarnings("ByteBufferBackingArray")<a name="line.601"></a> |
| <span class="sourceLineNo">602</span> public byte[] getRowArray() {<a name="line.602"></a> |
| <span class="sourceLineNo">603</span> return this.keyBuffer.array();<a name="line.603"></a> |
| <span class="sourceLineNo">604</span> }<a name="line.604"></a> |
| <span class="sourceLineNo">605</span><a name="line.605"></a> |
| <span class="sourceLineNo">606</span> @Override<a name="line.606"></a> |
| <span class="sourceLineNo">607</span> public int getRowOffset() {<a name="line.607"></a> |
| <span class="sourceLineNo">608</span> return getRowPosition();<a name="line.608"></a> |
| <span class="sourceLineNo">609</span> }<a name="line.609"></a> |
| <span class="sourceLineNo">610</span><a name="line.610"></a> |
| <span class="sourceLineNo">611</span> @Override<a name="line.611"></a> |
| <span class="sourceLineNo">612</span> public short getRowLength() {<a name="line.612"></a> |
| <span class="sourceLineNo">613</span> return this.rowLength;<a name="line.613"></a> |
| <span class="sourceLineNo">614</span> }<a name="line.614"></a> |
| <span class="sourceLineNo">615</span><a name="line.615"></a> |
| <span class="sourceLineNo">616</span> @Override<a name="line.616"></a> |
| <span class="sourceLineNo">617</span> @SuppressWarnings("ByteBufferBackingArray")<a name="line.617"></a> |
| <span class="sourceLineNo">618</span> public byte[] getFamilyArray() {<a name="line.618"></a> |
| <span class="sourceLineNo">619</span> return this.keyBuffer.array();<a name="line.619"></a> |
| <span class="sourceLineNo">620</span> }<a name="line.620"></a> |
| <span class="sourceLineNo">621</span><a name="line.621"></a> |
| <span class="sourceLineNo">622</span> @Override<a name="line.622"></a> |
| <span class="sourceLineNo">623</span> public int getFamilyOffset() {<a name="line.623"></a> |
| <span class="sourceLineNo">624</span> return getFamilyPosition();<a name="line.624"></a> |
| <span class="sourceLineNo">625</span> }<a name="line.625"></a> |
| <span class="sourceLineNo">626</span><a name="line.626"></a> |
| <span class="sourceLineNo">627</span> @Override<a name="line.627"></a> |
| <span class="sourceLineNo">628</span> public byte getFamilyLength() {<a name="line.628"></a> |
| <span class="sourceLineNo">629</span> return this.familyLength;<a name="line.629"></a> |
| <span class="sourceLineNo">630</span> }<a name="line.630"></a> |
| <span class="sourceLineNo">631</span><a name="line.631"></a> |
| <span class="sourceLineNo">632</span> @Override<a name="line.632"></a> |
| <span class="sourceLineNo">633</span> @SuppressWarnings("ByteBufferBackingArray")<a name="line.633"></a> |
| <span class="sourceLineNo">634</span> public byte[] getQualifierArray() {<a name="line.634"></a> |
| <span class="sourceLineNo">635</span> return this.keyBuffer.array();<a name="line.635"></a> |
| <span class="sourceLineNo">636</span> }<a name="line.636"></a> |
| <span class="sourceLineNo">637</span><a name="line.637"></a> |
| <span class="sourceLineNo">638</span> @Override<a name="line.638"></a> |
| <span class="sourceLineNo">639</span> public int getQualifierOffset() {<a name="line.639"></a> |
| <span class="sourceLineNo">640</span> return getQualifierPosition();<a name="line.640"></a> |
| <span class="sourceLineNo">641</span> }<a name="line.641"></a> |
| <span class="sourceLineNo">642</span><a name="line.642"></a> |
| <span class="sourceLineNo">643</span> @Override<a name="line.643"></a> |
| <span class="sourceLineNo">644</span> public int getQualifierLength() {<a name="line.644"></a> |
| <span class="sourceLineNo">645</span> return this.qualifierLength;<a name="line.645"></a> |
| <span class="sourceLineNo">646</span> }<a name="line.646"></a> |
| <span class="sourceLineNo">647</span><a name="line.647"></a> |
| <span class="sourceLineNo">648</span> @Override<a name="line.648"></a> |
| <span class="sourceLineNo">649</span> public long getTimestamp() {<a name="line.649"></a> |
| <span class="sourceLineNo">650</span> return this.timeStamp;<a name="line.650"></a> |
| <span class="sourceLineNo">651</span> }<a name="line.651"></a> |
| <span class="sourceLineNo">652</span><a name="line.652"></a> |
| <span class="sourceLineNo">653</span> @Override<a name="line.653"></a> |
| <span class="sourceLineNo">654</span> public byte getTypeByte() {<a name="line.654"></a> |
| <span class="sourceLineNo">655</span> return this.typeByte;<a name="line.655"></a> |
| <span class="sourceLineNo">656</span> }<a name="line.656"></a> |
| <span class="sourceLineNo">657</span><a name="line.657"></a> |
| <span class="sourceLineNo">658</span> @Override<a name="line.658"></a> |
| <span class="sourceLineNo">659</span> public long getSequenceId() {<a name="line.659"></a> |
| <span class="sourceLineNo">660</span> return this.seqId;<a name="line.660"></a> |
| <span class="sourceLineNo">661</span> }<a name="line.661"></a> |
| <span class="sourceLineNo">662</span><a name="line.662"></a> |
| <span class="sourceLineNo">663</span> @Override<a name="line.663"></a> |
| <span class="sourceLineNo">664</span> public byte[] getValueArray() {<a name="line.664"></a> |
| <span class="sourceLineNo">665</span> return CellUtil.cloneValue(this);<a name="line.665"></a> |
| <span class="sourceLineNo">666</span> }<a name="line.666"></a> |
| <span class="sourceLineNo">667</span><a name="line.667"></a> |
| <span class="sourceLineNo">668</span> @Override<a name="line.668"></a> |
| <span class="sourceLineNo">669</span> public int getValueOffset() {<a name="line.669"></a> |
| <span class="sourceLineNo">670</span> return 0;<a name="line.670"></a> |
| <span class="sourceLineNo">671</span> }<a name="line.671"></a> |
| <span class="sourceLineNo">672</span><a name="line.672"></a> |
| <span class="sourceLineNo">673</span> @Override<a name="line.673"></a> |
| <span class="sourceLineNo">674</span> public int getValueLength() {<a name="line.674"></a> |
| <span class="sourceLineNo">675</span> return this.valueLength;<a name="line.675"></a> |
| <span class="sourceLineNo">676</span> }<a name="line.676"></a> |
| <span class="sourceLineNo">677</span><a name="line.677"></a> |
| <span class="sourceLineNo">678</span> @Override<a name="line.678"></a> |
| <span class="sourceLineNo">679</span> public byte[] getTagsArray() {<a name="line.679"></a> |
| <span class="sourceLineNo">680</span> return PrivateCellUtil.cloneTags(this);<a name="line.680"></a> |
| <span class="sourceLineNo">681</span> }<a name="line.681"></a> |
| <span class="sourceLineNo">682</span><a name="line.682"></a> |
| <span class="sourceLineNo">683</span> @Override<a name="line.683"></a> |
| <span class="sourceLineNo">684</span> public int getTagsOffset() {<a name="line.684"></a> |
| <span class="sourceLineNo">685</span> return 0;<a name="line.685"></a> |
| <span class="sourceLineNo">686</span> }<a name="line.686"></a> |
| <span class="sourceLineNo">687</span><a name="line.687"></a> |
| <span class="sourceLineNo">688</span> @Override<a name="line.688"></a> |
| <span class="sourceLineNo">689</span> public int getTagsLength() {<a name="line.689"></a> |
| <span class="sourceLineNo">690</span> return this.tagsLength;<a name="line.690"></a> |
| <span class="sourceLineNo">691</span> }<a name="line.691"></a> |
| <span class="sourceLineNo">692</span><a name="line.692"></a> |
| <span class="sourceLineNo">693</span> @Override<a name="line.693"></a> |
| <span class="sourceLineNo">694</span> public ByteBuffer getRowByteBuffer() {<a name="line.694"></a> |
| <span class="sourceLineNo">695</span> return this.keyBuffer;<a name="line.695"></a> |
| <span class="sourceLineNo">696</span> }<a name="line.696"></a> |
| <span class="sourceLineNo">697</span><a name="line.697"></a> |
| <span class="sourceLineNo">698</span> @Override<a name="line.698"></a> |
| <span class="sourceLineNo">699</span> public int getRowPosition() {<a name="line.699"></a> |
| <span class="sourceLineNo">700</span> return Bytes.SIZEOF_SHORT;<a name="line.700"></a> |
| <span class="sourceLineNo">701</span> }<a name="line.701"></a> |
| <span class="sourceLineNo">702</span><a name="line.702"></a> |
| <span class="sourceLineNo">703</span> @Override<a name="line.703"></a> |
| <span class="sourceLineNo">704</span> public ByteBuffer getFamilyByteBuffer() {<a name="line.704"></a> |
| <span class="sourceLineNo">705</span> return this.keyBuffer;<a name="line.705"></a> |
| <span class="sourceLineNo">706</span> }<a name="line.706"></a> |
| <span class="sourceLineNo">707</span><a name="line.707"></a> |
| <span class="sourceLineNo">708</span> @Override<a name="line.708"></a> |
| <span class="sourceLineNo">709</span> public int getFamilyPosition() {<a name="line.709"></a> |
| <span class="sourceLineNo">710</span> return this.familyOffset;<a name="line.710"></a> |
| <span class="sourceLineNo">711</span> }<a name="line.711"></a> |
| <span class="sourceLineNo">712</span><a name="line.712"></a> |
| <span class="sourceLineNo">713</span> @Override<a name="line.713"></a> |
| <span class="sourceLineNo">714</span> public ByteBuffer getQualifierByteBuffer() {<a name="line.714"></a> |
| <span class="sourceLineNo">715</span> return this.keyBuffer;<a name="line.715"></a> |
| <span class="sourceLineNo">716</span> }<a name="line.716"></a> |
| <span class="sourceLineNo">717</span><a name="line.717"></a> |
| <span class="sourceLineNo">718</span> @Override<a name="line.718"></a> |
| <span class="sourceLineNo">719</span> public int getQualifierPosition() {<a name="line.719"></a> |
| <span class="sourceLineNo">720</span> return this.qualifierOffset;<a name="line.720"></a> |
| <span class="sourceLineNo">721</span> }<a name="line.721"></a> |
| <span class="sourceLineNo">722</span><a name="line.722"></a> |
| <span class="sourceLineNo">723</span> @Override<a name="line.723"></a> |
| <span class="sourceLineNo">724</span> public ByteBuffer getValueByteBuffer() {<a name="line.724"></a> |
| <span class="sourceLineNo">725</span> return this.valueBuffer;<a name="line.725"></a> |
| <span class="sourceLineNo">726</span> }<a name="line.726"></a> |
| <span class="sourceLineNo">727</span><a name="line.727"></a> |
| <span class="sourceLineNo">728</span> @Override<a name="line.728"></a> |
| <span class="sourceLineNo">729</span> public int getValuePosition() {<a name="line.729"></a> |
| <span class="sourceLineNo">730</span> return this.valueOffset;<a name="line.730"></a> |
| <span class="sourceLineNo">731</span> }<a name="line.731"></a> |
| <span class="sourceLineNo">732</span><a name="line.732"></a> |
| <span class="sourceLineNo">733</span> @Override<a name="line.733"></a> |
| <span class="sourceLineNo">734</span> public ByteBuffer getTagsByteBuffer() {<a name="line.734"></a> |
| <span class="sourceLineNo">735</span> return this.tagsBuffer;<a name="line.735"></a> |
| <span class="sourceLineNo">736</span> }<a name="line.736"></a> |
| <span class="sourceLineNo">737</span><a name="line.737"></a> |
| <span class="sourceLineNo">738</span> @Override<a name="line.738"></a> |
| <span class="sourceLineNo">739</span> public int getTagsPosition() {<a name="line.739"></a> |
| <span class="sourceLineNo">740</span> return this.tagsOffset;<a name="line.740"></a> |
| <span class="sourceLineNo">741</span> }<a name="line.741"></a> |
| <span class="sourceLineNo">742</span><a name="line.742"></a> |
| <span class="sourceLineNo">743</span> @Override<a name="line.743"></a> |
| <span class="sourceLineNo">744</span> public long heapSize() {<a name="line.744"></a> |
| <span class="sourceLineNo">745</span> return FIXED_OVERHEAD;<a name="line.745"></a> |
| <span class="sourceLineNo">746</span> }<a name="line.746"></a> |
| <span class="sourceLineNo">747</span><a name="line.747"></a> |
| <span class="sourceLineNo">748</span> @Override<a name="line.748"></a> |
| <span class="sourceLineNo">749</span> public void setSequenceId(long seqId) {<a name="line.749"></a> |
| <span class="sourceLineNo">750</span> this.seqId = seqId;<a name="line.750"></a> |
| <span class="sourceLineNo">751</span> }<a name="line.751"></a> |
| <span class="sourceLineNo">752</span><a name="line.752"></a> |
| <span class="sourceLineNo">753</span> @Override<a name="line.753"></a> |
| <span class="sourceLineNo">754</span> public int write(OutputStream out, boolean withTags) throws IOException {<a name="line.754"></a> |
| <span class="sourceLineNo">755</span> int lenToWrite = getSerializedSize(withTags);<a name="line.755"></a> |
| <span class="sourceLineNo">756</span> ByteBufferUtils.putInt(out, keyBuffer.remaining());<a name="line.756"></a> |
| <span class="sourceLineNo">757</span> ByteBufferUtils.putInt(out, valueLength);<a name="line.757"></a> |
| <span class="sourceLineNo">758</span> // Write key<a name="line.758"></a> |
| <span class="sourceLineNo">759</span> out.write(keyBuffer.array(), keyBuffer.arrayOffset(), keyBuffer.remaining());<a name="line.759"></a> |
| <span class="sourceLineNo">760</span> // Write value<a name="line.760"></a> |
| <span class="sourceLineNo">761</span> ByteBufferUtils.copyBufferToStream(out, this.valueBuffer, this.valueOffset, this.valueLength);<a name="line.761"></a> |
| <span class="sourceLineNo">762</span> if (withTags && this.tagsLength > 0) {<a name="line.762"></a> |
| <span class="sourceLineNo">763</span> // 2 bytes tags length followed by tags bytes<a name="line.763"></a> |
| <span class="sourceLineNo">764</span> // tags length is serialized with 2 bytes only(short way) even if the type is int.<a name="line.764"></a> |
| <span class="sourceLineNo">765</span> // As this is non -ve numbers, we save the sign bit. See HBASE-11437<a name="line.765"></a> |
| <span class="sourceLineNo">766</span> out.write((byte) (0xff & (this.tagsLength >> 8)));<a name="line.766"></a> |
| <span class="sourceLineNo">767</span> out.write((byte) (0xff & this.tagsLength));<a name="line.767"></a> |
| <span class="sourceLineNo">768</span> ByteBufferUtils.copyBufferToStream(out, this.tagsBuffer, this.tagsOffset, this.tagsLength);<a name="line.768"></a> |
| <span class="sourceLineNo">769</span> }<a name="line.769"></a> |
| <span class="sourceLineNo">770</span> return lenToWrite;<a name="line.770"></a> |
| <span class="sourceLineNo">771</span> }<a name="line.771"></a> |
| <span class="sourceLineNo">772</span><a name="line.772"></a> |
| <span class="sourceLineNo">773</span> @Override<a name="line.773"></a> |
| <span class="sourceLineNo">774</span> public int getSerializedSize(boolean withTags) {<a name="line.774"></a> |
| <span class="sourceLineNo">775</span> return KeyValueUtil.length(rowLength, familyLength, qualifierLength, valueLength, tagsLength,<a name="line.775"></a> |
| <span class="sourceLineNo">776</span> withTags);<a name="line.776"></a> |
| <span class="sourceLineNo">777</span> }<a name="line.777"></a> |
| <span class="sourceLineNo">778</span><a name="line.778"></a> |
| <span class="sourceLineNo">779</span> @Override<a name="line.779"></a> |
| <span class="sourceLineNo">780</span> public void setTimestamp(long ts) throws IOException {<a name="line.780"></a> |
| <span class="sourceLineNo">781</span> // This is not used in actual flow. Throwing UnsupportedOperationException<a name="line.781"></a> |
| <span class="sourceLineNo">782</span> throw new UnsupportedOperationException();<a name="line.782"></a> |
| <span class="sourceLineNo">783</span> }<a name="line.783"></a> |
| <span class="sourceLineNo">784</span><a name="line.784"></a> |
| <span class="sourceLineNo">785</span> @Override<a name="line.785"></a> |
| <span class="sourceLineNo">786</span> public void setTimestamp(byte[] ts) throws IOException {<a name="line.786"></a> |
| <span class="sourceLineNo">787</span> // This is not used in actual flow. Throwing UnsupportedOperationException<a name="line.787"></a> |
| <span class="sourceLineNo">788</span> throw new UnsupportedOperationException();<a name="line.788"></a> |
| <span class="sourceLineNo">789</span> }<a name="line.789"></a> |
| <span class="sourceLineNo">790</span><a name="line.790"></a> |
| <span class="sourceLineNo">791</span> @Override<a name="line.791"></a> |
| <span class="sourceLineNo">792</span> public void write(ByteBuffer buf, int offset) {<a name="line.792"></a> |
| <span class="sourceLineNo">793</span> // This is not used in actual flow. Throwing UnsupportedOperationException<a name="line.793"></a> |
| <span class="sourceLineNo">794</span> throw new UnsupportedOperationException();<a name="line.794"></a> |
| <span class="sourceLineNo">795</span> }<a name="line.795"></a> |
| <span class="sourceLineNo">796</span><a name="line.796"></a> |
| <span class="sourceLineNo">797</span> @Override<a name="line.797"></a> |
| <span class="sourceLineNo">798</span> public ExtendedCell deepClone() {<a name="line.798"></a> |
| <span class="sourceLineNo">799</span> // This is not used in actual flow. Throwing UnsupportedOperationException<a name="line.799"></a> |
| <span class="sourceLineNo">800</span> throw new UnsupportedOperationException();<a name="line.800"></a> |
| <span class="sourceLineNo">801</span> }<a name="line.801"></a> |
| <span class="sourceLineNo">802</span> }<a name="line.802"></a> |
| <span class="sourceLineNo">803</span><a name="line.803"></a> |
| <span class="sourceLineNo">804</span> protected abstract static class BufferedEncodedSeeker<STATE extends SeekerState><a name="line.804"></a> |
| <span class="sourceLineNo">805</span> extends AbstractEncodedSeeker {<a name="line.805"></a> |
| <span class="sourceLineNo">806</span> protected ByteBuff currentBuffer;<a name="line.806"></a> |
| <span class="sourceLineNo">807</span> protected TagCompressionContext tagCompressionContext = null;<a name="line.807"></a> |
| <span class="sourceLineNo">808</span> protected KeyValue.KeyOnlyKeyValue keyOnlyKV = new KeyValue.KeyOnlyKeyValue();<a name="line.808"></a> |
| <span class="sourceLineNo">809</span> // A temp pair object which will be reused by ByteBuff#asSubByteBuffer calls. This avoids too<a name="line.809"></a> |
| <span class="sourceLineNo">810</span> // many object creations.<a name="line.810"></a> |
| <span class="sourceLineNo">811</span> protected final ObjectIntPair<ByteBuffer> tmpPair = new ObjectIntPair<>();<a name="line.811"></a> |
| <span class="sourceLineNo">812</span> protected STATE current, previous;<a name="line.812"></a> |
| <span class="sourceLineNo">813</span><a name="line.813"></a> |
| <span class="sourceLineNo">814</span> public BufferedEncodedSeeker(HFileBlockDecodingContext decodingCtx) {<a name="line.814"></a> |
| <span class="sourceLineNo">815</span> super(decodingCtx);<a name="line.815"></a> |
| <span class="sourceLineNo">816</span> if (decodingCtx.getHFileContext().isCompressTags()) {<a name="line.816"></a> |
| <span class="sourceLineNo">817</span> try {<a name="line.817"></a> |
| <span class="sourceLineNo">818</span> tagCompressionContext = new TagCompressionContext(LRUDictionary.class, Byte.MAX_VALUE);<a name="line.818"></a> |
| <span class="sourceLineNo">819</span> } catch (Exception e) {<a name="line.819"></a> |
| <span class="sourceLineNo">820</span> throw new RuntimeException("Failed to initialize TagCompressionContext", e);<a name="line.820"></a> |
| <span class="sourceLineNo">821</span> }<a name="line.821"></a> |
| <span class="sourceLineNo">822</span> }<a name="line.822"></a> |
| <span class="sourceLineNo">823</span> current = createSeekerState(); // always valid<a name="line.823"></a> |
| <span class="sourceLineNo">824</span> previous = createSeekerState(); // may not be valid<a name="line.824"></a> |
| <span class="sourceLineNo">825</span> }<a name="line.825"></a> |
| <span class="sourceLineNo">826</span><a name="line.826"></a> |
| <span class="sourceLineNo">827</span> @Override<a name="line.827"></a> |
| <span class="sourceLineNo">828</span> public int compareKey(CellComparator comparator, Cell key) {<a name="line.828"></a> |
| <span class="sourceLineNo">829</span> keyOnlyKV.setKey(current.keyBuffer, 0, current.keyLength);<a name="line.829"></a> |
| <span class="sourceLineNo">830</span> return PrivateCellUtil.compareKeyIgnoresMvcc(comparator, key, keyOnlyKV);<a name="line.830"></a> |
| <span class="sourceLineNo">831</span> }<a name="line.831"></a> |
| <span class="sourceLineNo">832</span><a name="line.832"></a> |
| <span class="sourceLineNo">833</span> @Override<a name="line.833"></a> |
| <span class="sourceLineNo">834</span> public void setCurrentBuffer(ByteBuff buffer) {<a name="line.834"></a> |
| <span class="sourceLineNo">835</span> if (this.tagCompressionContext != null) {<a name="line.835"></a> |
| <span class="sourceLineNo">836</span> this.tagCompressionContext.clear();<a name="line.836"></a> |
| <span class="sourceLineNo">837</span><a name="line.837"></a> |
| <span class="sourceLineNo">838</span> // Prior seekToKeyInBlock may have reset this to false if we fell back to previous<a name="line.838"></a> |
| <span class="sourceLineNo">839</span> // seeker state. This is an optimization so we don't have to uncompress tags again when<a name="line.839"></a> |
| <span class="sourceLineNo">840</span> // reading last state.<a name="line.840"></a> |
| <span class="sourceLineNo">841</span> // In seekBefore flow, if block change happens then rewind is not called and<a name="line.841"></a> |
| <span class="sourceLineNo">842</span> // setCurrentBuffer is called, so need to uncompress any tags we see.<a name="line.842"></a> |
| <span class="sourceLineNo">843</span> current.uncompressTags = true;<a name="line.843"></a> |
| <span class="sourceLineNo">844</span> }<a name="line.844"></a> |
| <span class="sourceLineNo">845</span> currentBuffer = buffer;<a name="line.845"></a> |
| <span class="sourceLineNo">846</span> current.currentBuffer = currentBuffer;<a name="line.846"></a> |
| <span class="sourceLineNo">847</span> if (tagCompressionContext != null) {<a name="line.847"></a> |
| <span class="sourceLineNo">848</span> current.tagCompressionContext = tagCompressionContext;<a name="line.848"></a> |
| <span class="sourceLineNo">849</span> }<a name="line.849"></a> |
| <span class="sourceLineNo">850</span> decodeFirst();<a name="line.850"></a> |
| <span class="sourceLineNo">851</span> current.setKey(current.keyBuffer, current.memstoreTS);<a name="line.851"></a> |
| <span class="sourceLineNo">852</span> previous.invalidate();<a name="line.852"></a> |
| <span class="sourceLineNo">853</span> }<a name="line.853"></a> |
| <span class="sourceLineNo">854</span><a name="line.854"></a> |
| <span class="sourceLineNo">855</span> @Override<a name="line.855"></a> |
| <span class="sourceLineNo">856</span> public Cell getKey() {<a name="line.856"></a> |
| <span class="sourceLineNo">857</span> byte[] key = new byte[current.keyLength];<a name="line.857"></a> |
| <span class="sourceLineNo">858</span> System.arraycopy(current.keyBuffer, 0, key, 0, current.keyLength);<a name="line.858"></a> |
| <span class="sourceLineNo">859</span> return new KeyValue.KeyOnlyKeyValue(key);<a name="line.859"></a> |
| <span class="sourceLineNo">860</span> }<a name="line.860"></a> |
| <span class="sourceLineNo">861</span><a name="line.861"></a> |
| <span class="sourceLineNo">862</span> @Override<a name="line.862"></a> |
| <span class="sourceLineNo">863</span> public ByteBuffer getValueShallowCopy() {<a name="line.863"></a> |
| <span class="sourceLineNo">864</span> currentBuffer.asSubByteBuffer(current.valueOffset, current.valueLength, tmpPair);<a name="line.864"></a> |
| <span class="sourceLineNo">865</span> ByteBuffer dup = tmpPair.getFirst().duplicate();<a name="line.865"></a> |
| <span class="sourceLineNo">866</span> dup.position(tmpPair.getSecond());<a name="line.866"></a> |
| <span class="sourceLineNo">867</span> dup.limit(tmpPair.getSecond() + current.valueLength);<a name="line.867"></a> |
| <span class="sourceLineNo">868</span> return dup.slice();<a name="line.868"></a> |
| <span class="sourceLineNo">869</span> }<a name="line.869"></a> |
| <span class="sourceLineNo">870</span><a name="line.870"></a> |
| <span class="sourceLineNo">871</span> @Override<a name="line.871"></a> |
| <span class="sourceLineNo">872</span> public Cell getCell() {<a name="line.872"></a> |
| <span class="sourceLineNo">873</span> return current.toCell();<a name="line.873"></a> |
| <span class="sourceLineNo">874</span> }<a name="line.874"></a> |
| <span class="sourceLineNo">875</span><a name="line.875"></a> |
| <span class="sourceLineNo">876</span> @Override<a name="line.876"></a> |
| <span class="sourceLineNo">877</span> public void rewind() {<a name="line.877"></a> |
| <span class="sourceLineNo">878</span> currentBuffer.rewind();<a name="line.878"></a> |
| <span class="sourceLineNo">879</span> if (tagCompressionContext != null) {<a name="line.879"></a> |
| <span class="sourceLineNo">880</span> tagCompressionContext.clear();<a name="line.880"></a> |
| <span class="sourceLineNo">881</span> // Prior seekToKeyInBlock may have reset this to false if we fell back to previous<a name="line.881"></a> |
| <span class="sourceLineNo">882</span> // seeker state. This is an optimization so we don't have to uncompress tags again when<a name="line.882"></a> |
| <span class="sourceLineNo">883</span> // reading last state.<a name="line.883"></a> |
| <span class="sourceLineNo">884</span> // In case of rewind, we are starting from the beginning of the buffer, so we need<a name="line.884"></a> |
| <span class="sourceLineNo">885</span> // to uncompress any tags we see.<a name="line.885"></a> |
| <span class="sourceLineNo">886</span> current.uncompressTags = true;<a name="line.886"></a> |
| <span class="sourceLineNo">887</span> }<a name="line.887"></a> |
| <span class="sourceLineNo">888</span> decodeFirst();<a name="line.888"></a> |
| <span class="sourceLineNo">889</span> current.setKey(current.keyBuffer, current.memstoreTS);<a name="line.889"></a> |
| <span class="sourceLineNo">890</span> previous.invalidate();<a name="line.890"></a> |
| <span class="sourceLineNo">891</span> }<a name="line.891"></a> |
| <span class="sourceLineNo">892</span><a name="line.892"></a> |
| <span class="sourceLineNo">893</span> @Override<a name="line.893"></a> |
| <span class="sourceLineNo">894</span> public boolean next() {<a name="line.894"></a> |
| <span class="sourceLineNo">895</span> if (!currentBuffer.hasRemaining()) {<a name="line.895"></a> |
| <span class="sourceLineNo">896</span> return false;<a name="line.896"></a> |
| <span class="sourceLineNo">897</span> }<a name="line.897"></a> |
| <span class="sourceLineNo">898</span> decodeNext();<a name="line.898"></a> |
| <span class="sourceLineNo">899</span> current.setKey(current.keyBuffer, current.memstoreTS);<a name="line.899"></a> |
| <span class="sourceLineNo">900</span> previous.invalidate();<a name="line.900"></a> |
| <span class="sourceLineNo">901</span> return true;<a name="line.901"></a> |
| <span class="sourceLineNo">902</span> }<a name="line.902"></a> |
| <span class="sourceLineNo">903</span><a name="line.903"></a> |
| <span class="sourceLineNo">904</span> protected void decodeTags() {<a name="line.904"></a> |
| <span class="sourceLineNo">905</span> current.tagsLength = ByteBuff.readCompressedInt(currentBuffer);<a name="line.905"></a> |
| <span class="sourceLineNo">906</span> if (tagCompressionContext != null) {<a name="line.906"></a> |
| <span class="sourceLineNo">907</span> if (current.uncompressTags) {<a name="line.907"></a> |
| <span class="sourceLineNo">908</span> // Tag compression is been used. uncompress it into tagsBuffer<a name="line.908"></a> |
| <span class="sourceLineNo">909</span> current.ensureSpaceForTags();<a name="line.909"></a> |
| <span class="sourceLineNo">910</span> try {<a name="line.910"></a> |
| <span class="sourceLineNo">911</span> current.tagsCompressedLength = tagCompressionContext.uncompressTags(currentBuffer,<a name="line.911"></a> |
| <span class="sourceLineNo">912</span> current.tagsBuffer, 0, current.tagsLength);<a name="line.912"></a> |
| <span class="sourceLineNo">913</span> } catch (Exception e) {<a name="line.913"></a> |
| <span class="sourceLineNo">914</span> throw new RuntimeException("Exception while uncompressing tags", e);<a name="line.914"></a> |
| <span class="sourceLineNo">915</span> }<a name="line.915"></a> |
| <span class="sourceLineNo">916</span> } else {<a name="line.916"></a> |
| <span class="sourceLineNo">917</span> currentBuffer.skip(current.tagsCompressedLength);<a name="line.917"></a> |
| <span class="sourceLineNo">918</span> current.uncompressTags = true;// Reset this.<a name="line.918"></a> |
| <span class="sourceLineNo">919</span> }<a name="line.919"></a> |
| <span class="sourceLineNo">920</span> current.tagsOffset = -1;<a name="line.920"></a> |
| <span class="sourceLineNo">921</span> } else {<a name="line.921"></a> |
| <span class="sourceLineNo">922</span> // When tag compress is not used, let us not do copying of tags bytes into tagsBuffer.<a name="line.922"></a> |
| <span class="sourceLineNo">923</span> // Just mark the tags Offset so as to create the KV buffer later in getKeyValueBuffer()<a name="line.923"></a> |
| <span class="sourceLineNo">924</span> current.tagsOffset = currentBuffer.position();<a name="line.924"></a> |
| <span class="sourceLineNo">925</span> currentBuffer.skip(current.tagsLength);<a name="line.925"></a> |
| <span class="sourceLineNo">926</span> }<a name="line.926"></a> |
| <span class="sourceLineNo">927</span> }<a name="line.927"></a> |
| <span class="sourceLineNo">928</span><a name="line.928"></a> |
| <span class="sourceLineNo">929</span> @Override<a name="line.929"></a> |
| <span class="sourceLineNo">930</span> public int seekToKeyInBlock(Cell seekCell, boolean seekBefore) {<a name="line.930"></a> |
| <span class="sourceLineNo">931</span> int rowCommonPrefix = 0;<a name="line.931"></a> |
| <span class="sourceLineNo">932</span> int familyCommonPrefix = 0;<a name="line.932"></a> |
| <span class="sourceLineNo">933</span> int qualCommonPrefix = 0;<a name="line.933"></a> |
| <span class="sourceLineNo">934</span> previous.invalidate();<a name="line.934"></a> |
| <span class="sourceLineNo">935</span> do {<a name="line.935"></a> |
| <span class="sourceLineNo">936</span> int comp;<a name="line.936"></a> |
| <span class="sourceLineNo">937</span> keyOnlyKV.setKey(current.keyBuffer, 0, current.keyLength);<a name="line.937"></a> |
| <span class="sourceLineNo">938</span> if (current.lastCommonPrefix != 0) {<a name="line.938"></a> |
| <span class="sourceLineNo">939</span> // The KV format has row key length also in the byte array. The<a name="line.939"></a> |
| <span class="sourceLineNo">940</span> // common prefix<a name="line.940"></a> |
| <span class="sourceLineNo">941</span> // includes it. So we need to subtract to find out the common prefix<a name="line.941"></a> |
| <span class="sourceLineNo">942</span> // in the<a name="line.942"></a> |
| <span class="sourceLineNo">943</span> // row part alone<a name="line.943"></a> |
| <span class="sourceLineNo">944</span> rowCommonPrefix = Math.min(rowCommonPrefix, current.lastCommonPrefix - 2);<a name="line.944"></a> |
| <span class="sourceLineNo">945</span> }<a name="line.945"></a> |
| <span class="sourceLineNo">946</span> if (current.lastCommonPrefix <= 2) {<a name="line.946"></a> |
| <span class="sourceLineNo">947</span> rowCommonPrefix = 0;<a name="line.947"></a> |
| <span class="sourceLineNo">948</span> }<a name="line.948"></a> |
| <span class="sourceLineNo">949</span> rowCommonPrefix += findCommonPrefixInRowPart(seekCell, keyOnlyKV, rowCommonPrefix);<a name="line.949"></a> |
| <span class="sourceLineNo">950</span> comp = compareCommonRowPrefix(seekCell, keyOnlyKV, rowCommonPrefix);<a name="line.950"></a> |
| <span class="sourceLineNo">951</span> if (comp == 0) {<a name="line.951"></a> |
| <span class="sourceLineNo">952</span> comp = compareTypeBytes(seekCell, keyOnlyKV);<a name="line.952"></a> |
| <span class="sourceLineNo">953</span> if (comp == 0) {<a name="line.953"></a> |
| <span class="sourceLineNo">954</span> // Subtract the fixed row key length and the family key fixed length<a name="line.954"></a> |
| <span class="sourceLineNo">955</span> familyCommonPrefix = Math.max(0, Math.min(familyCommonPrefix,<a name="line.955"></a> |
| <span class="sourceLineNo">956</span> current.lastCommonPrefix - (3 + keyOnlyKV.getRowLength())));<a name="line.956"></a> |
| <span class="sourceLineNo">957</span> familyCommonPrefix +=<a name="line.957"></a> |
| <span class="sourceLineNo">958</span> findCommonPrefixInFamilyPart(seekCell, keyOnlyKV, familyCommonPrefix);<a name="line.958"></a> |
| <span class="sourceLineNo">959</span> comp = compareCommonFamilyPrefix(seekCell, keyOnlyKV, familyCommonPrefix);<a name="line.959"></a> |
| <span class="sourceLineNo">960</span> if (comp == 0) {<a name="line.960"></a> |
| <span class="sourceLineNo">961</span> // subtract the rowkey fixed length and the family key fixed<a name="line.961"></a> |
| <span class="sourceLineNo">962</span> // length<a name="line.962"></a> |
| <span class="sourceLineNo">963</span> qualCommonPrefix = Math.max(0, Math.min(qualCommonPrefix, current.lastCommonPrefix<a name="line.963"></a> |
| <span class="sourceLineNo">964</span> - (3 + keyOnlyKV.getRowLength() + keyOnlyKV.getFamilyLength())));<a name="line.964"></a> |
| <span class="sourceLineNo">965</span> qualCommonPrefix +=<a name="line.965"></a> |
| <span class="sourceLineNo">966</span> findCommonPrefixInQualifierPart(seekCell, keyOnlyKV, qualCommonPrefix);<a name="line.966"></a> |
| <span class="sourceLineNo">967</span> comp = compareCommonQualifierPrefix(seekCell, keyOnlyKV, qualCommonPrefix);<a name="line.967"></a> |
| <span class="sourceLineNo">968</span> if (comp == 0) {<a name="line.968"></a> |
| <span class="sourceLineNo">969</span> comp = CellComparator.getInstance().compareTimestamps(seekCell, keyOnlyKV);<a name="line.969"></a> |
| <span class="sourceLineNo">970</span> if (comp == 0) {<a name="line.970"></a> |
| <span class="sourceLineNo">971</span> // Compare types. Let the delete types sort ahead of puts;<a name="line.971"></a> |
| <span class="sourceLineNo">972</span> // i.e. types<a name="line.972"></a> |
| <span class="sourceLineNo">973</span> // of higher numbers sort before those of lesser numbers.<a name="line.973"></a> |
| <span class="sourceLineNo">974</span> // Maximum<a name="line.974"></a> |
| <span class="sourceLineNo">975</span> // (255)<a name="line.975"></a> |
| <span class="sourceLineNo">976</span> // appears ahead of everything, and minimum (0) appears<a name="line.976"></a> |
| <span class="sourceLineNo">977</span> // after<a name="line.977"></a> |
| <span class="sourceLineNo">978</span> // everything.<a name="line.978"></a> |
| <span class="sourceLineNo">979</span> comp = (0xff & keyOnlyKV.getTypeByte()) - (0xff & seekCell.getTypeByte());<a name="line.979"></a> |
| <span class="sourceLineNo">980</span> }<a name="line.980"></a> |
| <span class="sourceLineNo">981</span> }<a name="line.981"></a> |
| <span class="sourceLineNo">982</span> }<a name="line.982"></a> |
| <span class="sourceLineNo">983</span> }<a name="line.983"></a> |
| <span class="sourceLineNo">984</span> }<a name="line.984"></a> |
| <span class="sourceLineNo">985</span> if (comp == 0) { // exact match<a name="line.985"></a> |
| <span class="sourceLineNo">986</span> if (seekBefore) {<a name="line.986"></a> |
| <span class="sourceLineNo">987</span> if (!previous.isValid()) {<a name="line.987"></a> |
| <span class="sourceLineNo">988</span> // The caller (seekBefore) has to ensure that we are not at the<a name="line.988"></a> |
| <span class="sourceLineNo">989</span> // first key in the block.<a name="line.989"></a> |
| <span class="sourceLineNo">990</span> throw new IllegalStateException(<a name="line.990"></a> |
| <span class="sourceLineNo">991</span> "Cannot seekBefore if " + "positioned at the first key in the block: key="<a name="line.991"></a> |
| <span class="sourceLineNo">992</span> + Bytes.toStringBinary(seekCell.getRowArray()));<a name="line.992"></a> |
| <span class="sourceLineNo">993</span> }<a name="line.993"></a> |
| <span class="sourceLineNo">994</span> moveToPrevious();<a name="line.994"></a> |
| <span class="sourceLineNo">995</span> return 1;<a name="line.995"></a> |
| <span class="sourceLineNo">996</span> }<a name="line.996"></a> |
| <span class="sourceLineNo">997</span> return 0;<a name="line.997"></a> |
| <span class="sourceLineNo">998</span> }<a name="line.998"></a> |
| <span class="sourceLineNo">999</span><a name="line.999"></a> |
| <span class="sourceLineNo">1000</span> if (comp < 0) { // already too large, check previous<a name="line.1000"></a> |
| <span class="sourceLineNo">1001</span> if (previous.isValid()) {<a name="line.1001"></a> |
| <span class="sourceLineNo">1002</span> moveToPrevious();<a name="line.1002"></a> |
| <span class="sourceLineNo">1003</span> } else {<a name="line.1003"></a> |
| <span class="sourceLineNo">1004</span> return HConstants.INDEX_KEY_MAGIC; // using optimized index key<a name="line.1004"></a> |
| <span class="sourceLineNo">1005</span> }<a name="line.1005"></a> |
| <span class="sourceLineNo">1006</span> return 1;<a name="line.1006"></a> |
| <span class="sourceLineNo">1007</span> }<a name="line.1007"></a> |
| <span class="sourceLineNo">1008</span><a name="line.1008"></a> |
| <span class="sourceLineNo">1009</span> // move to next, if more data is available<a name="line.1009"></a> |
| <span class="sourceLineNo">1010</span> if (currentBuffer.hasRemaining()) {<a name="line.1010"></a> |
| <span class="sourceLineNo">1011</span> previous.copyFromNext(current);<a name="line.1011"></a> |
| <span class="sourceLineNo">1012</span> decodeNext();<a name="line.1012"></a> |
| <span class="sourceLineNo">1013</span> current.setKey(current.keyBuffer, current.memstoreTS);<a name="line.1013"></a> |
| <span class="sourceLineNo">1014</span> } else {<a name="line.1014"></a> |
| <span class="sourceLineNo">1015</span> break;<a name="line.1015"></a> |
| <span class="sourceLineNo">1016</span> }<a name="line.1016"></a> |
| <span class="sourceLineNo">1017</span> } while (true);<a name="line.1017"></a> |
| <span class="sourceLineNo">1018</span><a name="line.1018"></a> |
| <span class="sourceLineNo">1019</span> // we hit the end of the block, not an exact match<a name="line.1019"></a> |
| <span class="sourceLineNo">1020</span> return 1;<a name="line.1020"></a> |
| <span class="sourceLineNo">1021</span> }<a name="line.1021"></a> |
| <span class="sourceLineNo">1022</span><a name="line.1022"></a> |
| <span class="sourceLineNo">1023</span> private int compareTypeBytes(Cell key, Cell right) {<a name="line.1023"></a> |
| <span class="sourceLineNo">1024</span> if (<a name="line.1024"></a> |
| <span class="sourceLineNo">1025</span> key.getFamilyLength() + key.getQualifierLength() == 0<a name="line.1025"></a> |
| <span class="sourceLineNo">1026</span> && key.getTypeByte() == KeyValue.Type.Minimum.getCode()<a name="line.1026"></a> |
| <span class="sourceLineNo">1027</span> ) {<a name="line.1027"></a> |
| <span class="sourceLineNo">1028</span> // left is "bigger", i.e. it appears later in the sorted order<a name="line.1028"></a> |
| <span class="sourceLineNo">1029</span> return 1;<a name="line.1029"></a> |
| <span class="sourceLineNo">1030</span> }<a name="line.1030"></a> |
| <span class="sourceLineNo">1031</span> if (<a name="line.1031"></a> |
| <span class="sourceLineNo">1032</span> right.getFamilyLength() + right.getQualifierLength() == 0<a name="line.1032"></a> |
| <span class="sourceLineNo">1033</span> && right.getTypeByte() == KeyValue.Type.Minimum.getCode()<a name="line.1033"></a> |
| <span class="sourceLineNo">1034</span> ) {<a name="line.1034"></a> |
| <span class="sourceLineNo">1035</span> return -1;<a name="line.1035"></a> |
| <span class="sourceLineNo">1036</span> }<a name="line.1036"></a> |
| <span class="sourceLineNo">1037</span> return 0;<a name="line.1037"></a> |
| <span class="sourceLineNo">1038</span> }<a name="line.1038"></a> |
| <span class="sourceLineNo">1039</span><a name="line.1039"></a> |
| <span class="sourceLineNo">1040</span> // These findCommonPrefix* methods rely on the fact that keyOnlyKv is the "right" cell argument<a name="line.1040"></a> |
| <span class="sourceLineNo">1041</span> // and always on-heap<a name="line.1041"></a> |
| <span class="sourceLineNo">1042</span><a name="line.1042"></a> |
| <span class="sourceLineNo">1043</span> private static int findCommonPrefixInRowPart(Cell left, KeyValue.KeyOnlyKeyValue right,<a name="line.1043"></a> |
| <span class="sourceLineNo">1044</span> int rowCommonPrefix) {<a name="line.1044"></a> |
| <span class="sourceLineNo">1045</span> if (left instanceof ByteBufferExtendedCell) {<a name="line.1045"></a> |
| <span class="sourceLineNo">1046</span> ByteBufferExtendedCell bbLeft = (ByteBufferExtendedCell) left;<a name="line.1046"></a> |
| <span class="sourceLineNo">1047</span> return ByteBufferUtils.findCommonPrefix(bbLeft.getRowByteBuffer(),<a name="line.1047"></a> |
| <span class="sourceLineNo">1048</span> bbLeft.getRowPosition() + rowCommonPrefix, left.getRowLength() - rowCommonPrefix,<a name="line.1048"></a> |
| <span class="sourceLineNo">1049</span> right.getRowArray(), right.getRowOffset() + rowCommonPrefix,<a name="line.1049"></a> |
| <span class="sourceLineNo">1050</span> right.getRowLength() - rowCommonPrefix);<a name="line.1050"></a> |
| <span class="sourceLineNo">1051</span> } else {<a name="line.1051"></a> |
| <span class="sourceLineNo">1052</span> return Bytes.findCommonPrefix(left.getRowArray(), right.getRowArray(),<a name="line.1052"></a> |
| <span class="sourceLineNo">1053</span> left.getRowLength() - rowCommonPrefix, right.getRowLength() - rowCommonPrefix,<a name="line.1053"></a> |
| <span class="sourceLineNo">1054</span> left.getRowOffset() + rowCommonPrefix, right.getRowOffset() + rowCommonPrefix);<a name="line.1054"></a> |
| <span class="sourceLineNo">1055</span> }<a name="line.1055"></a> |
| <span class="sourceLineNo">1056</span> }<a name="line.1056"></a> |
| <span class="sourceLineNo">1057</span><a name="line.1057"></a> |
| <span class="sourceLineNo">1058</span> private static int findCommonPrefixInFamilyPart(Cell left, KeyValue.KeyOnlyKeyValue right,<a name="line.1058"></a> |
| <span class="sourceLineNo">1059</span> int familyCommonPrefix) {<a name="line.1059"></a> |
| <span class="sourceLineNo">1060</span> if (left instanceof ByteBufferExtendedCell) {<a name="line.1060"></a> |
| <span class="sourceLineNo">1061</span> ByteBufferExtendedCell bbLeft = (ByteBufferExtendedCell) left;<a name="line.1061"></a> |
| <span class="sourceLineNo">1062</span> return ByteBufferUtils.findCommonPrefix(bbLeft.getFamilyByteBuffer(),<a name="line.1062"></a> |
| <span class="sourceLineNo">1063</span> bbLeft.getFamilyPosition() + familyCommonPrefix,<a name="line.1063"></a> |
| <span class="sourceLineNo">1064</span> left.getFamilyLength() - familyCommonPrefix, right.getFamilyArray(),<a name="line.1064"></a> |
| <span class="sourceLineNo">1065</span> right.getFamilyOffset() + familyCommonPrefix,<a name="line.1065"></a> |
| <span class="sourceLineNo">1066</span> right.getFamilyLength() - familyCommonPrefix);<a name="line.1066"></a> |
| <span class="sourceLineNo">1067</span> } else {<a name="line.1067"></a> |
| <span class="sourceLineNo">1068</span> return Bytes.findCommonPrefix(left.getFamilyArray(), right.getFamilyArray(),<a name="line.1068"></a> |
| <span class="sourceLineNo">1069</span> left.getFamilyLength() - familyCommonPrefix, right.getFamilyLength() - familyCommonPrefix,<a name="line.1069"></a> |
| <span class="sourceLineNo">1070</span> left.getFamilyOffset() + familyCommonPrefix,<a name="line.1070"></a> |
| <span class="sourceLineNo">1071</span> right.getFamilyOffset() + familyCommonPrefix);<a name="line.1071"></a> |
| <span class="sourceLineNo">1072</span> }<a name="line.1072"></a> |
| <span class="sourceLineNo">1073</span> }<a name="line.1073"></a> |
| <span class="sourceLineNo">1074</span><a name="line.1074"></a> |
| <span class="sourceLineNo">1075</span> private static int findCommonPrefixInQualifierPart(Cell left, KeyValue.KeyOnlyKeyValue right,<a name="line.1075"></a> |
| <span class="sourceLineNo">1076</span> int qualifierCommonPrefix) {<a name="line.1076"></a> |
| <span class="sourceLineNo">1077</span> if (left instanceof ByteBufferExtendedCell) {<a name="line.1077"></a> |
| <span class="sourceLineNo">1078</span> ByteBufferExtendedCell bbLeft = (ByteBufferExtendedCell) left;<a name="line.1078"></a> |
| <span class="sourceLineNo">1079</span> return ByteBufferUtils.findCommonPrefix(bbLeft.getQualifierByteBuffer(),<a name="line.1079"></a> |
| <span class="sourceLineNo">1080</span> bbLeft.getQualifierPosition() + qualifierCommonPrefix,<a name="line.1080"></a> |
| <span class="sourceLineNo">1081</span> left.getQualifierLength() - qualifierCommonPrefix, right.getQualifierArray(),<a name="line.1081"></a> |
| <span class="sourceLineNo">1082</span> right.getQualifierOffset() + qualifierCommonPrefix,<a name="line.1082"></a> |
| <span class="sourceLineNo">1083</span> right.getQualifierLength() - qualifierCommonPrefix);<a name="line.1083"></a> |
| <span class="sourceLineNo">1084</span> } else {<a name="line.1084"></a> |
| <span class="sourceLineNo">1085</span> return Bytes.findCommonPrefix(left.getQualifierArray(), right.getQualifierArray(),<a name="line.1085"></a> |
| <span class="sourceLineNo">1086</span> left.getQualifierLength() - qualifierCommonPrefix,<a name="line.1086"></a> |
| <span class="sourceLineNo">1087</span> right.getQualifierLength() - qualifierCommonPrefix,<a name="line.1087"></a> |
| <span class="sourceLineNo">1088</span> left.getQualifierOffset() + qualifierCommonPrefix,<a name="line.1088"></a> |
| <span class="sourceLineNo">1089</span> right.getQualifierOffset() + qualifierCommonPrefix);<a name="line.1089"></a> |
| <span class="sourceLineNo">1090</span> }<a name="line.1090"></a> |
| <span class="sourceLineNo">1091</span> }<a name="line.1091"></a> |
| <span class="sourceLineNo">1092</span><a name="line.1092"></a> |
| <span class="sourceLineNo">1093</span> private void moveToPrevious() {<a name="line.1093"></a> |
| <span class="sourceLineNo">1094</span> if (!previous.isValid()) {<a name="line.1094"></a> |
| <span class="sourceLineNo">1095</span> throw new IllegalStateException(<a name="line.1095"></a> |
| <span class="sourceLineNo">1096</span> "Can move back only once and not in first key in the block.");<a name="line.1096"></a> |
| <span class="sourceLineNo">1097</span> }<a name="line.1097"></a> |
| <span class="sourceLineNo">1098</span><a name="line.1098"></a> |
| <span class="sourceLineNo">1099</span> STATE tmp = previous;<a name="line.1099"></a> |
| <span class="sourceLineNo">1100</span> previous = current;<a name="line.1100"></a> |
| <span class="sourceLineNo">1101</span> current = tmp;<a name="line.1101"></a> |
| <span class="sourceLineNo">1102</span><a name="line.1102"></a> |
| <span class="sourceLineNo">1103</span> // move after last key value<a name="line.1103"></a> |
| <span class="sourceLineNo">1104</span> currentBuffer.position(current.nextKvOffset);<a name="line.1104"></a> |
| <span class="sourceLineNo">1105</span> // Already decoded the tag bytes. We cache this tags into current state and also the total<a name="line.1105"></a> |
| <span class="sourceLineNo">1106</span> // compressed length of the tags bytes. For the next time decodeNext() we don't need to decode<a name="line.1106"></a> |
| <span class="sourceLineNo">1107</span> // the tags again. This might pollute the Data Dictionary what we use for the compression.<a name="line.1107"></a> |
| <span class="sourceLineNo">1108</span> // When current.uncompressTags is false, we will just reuse the current.tagsBuffer and skip<a name="line.1108"></a> |
| <span class="sourceLineNo">1109</span> // 'tagsCompressedLength' bytes of source stream.<a name="line.1109"></a> |
| <span class="sourceLineNo">1110</span> // See in decodeTags()<a name="line.1110"></a> |
| <span class="sourceLineNo">1111</span> current.tagsBuffer = previous.tagsBuffer;<a name="line.1111"></a> |
| <span class="sourceLineNo">1112</span> current.tagsCompressedLength = previous.tagsCompressedLength;<a name="line.1112"></a> |
| <span class="sourceLineNo">1113</span> current.uncompressTags = false;<a name="line.1113"></a> |
| <span class="sourceLineNo">1114</span> // The current key has to be reset with the previous Cell<a name="line.1114"></a> |
| <span class="sourceLineNo">1115</span> current.setKey(current.keyBuffer, current.memstoreTS);<a name="line.1115"></a> |
| <span class="sourceLineNo">1116</span> previous.invalidate();<a name="line.1116"></a> |
| <span class="sourceLineNo">1117</span> }<a name="line.1117"></a> |
| <span class="sourceLineNo">1118</span><a name="line.1118"></a> |
| <span class="sourceLineNo">1119</span> @SuppressWarnings("unchecked")<a name="line.1119"></a> |
| <span class="sourceLineNo">1120</span> protected STATE createSeekerState() {<a name="line.1120"></a> |
| <span class="sourceLineNo">1121</span> // This will fail for non-default seeker state if the subclass does not<a name="line.1121"></a> |
| <span class="sourceLineNo">1122</span> // override this method.<a name="line.1122"></a> |
| <span class="sourceLineNo">1123</span> return (STATE) new SeekerState(this.tmpPair, this.includesTags());<a name="line.1123"></a> |
| <span class="sourceLineNo">1124</span> }<a name="line.1124"></a> |
| <span class="sourceLineNo">1125</span><a name="line.1125"></a> |
| <span class="sourceLineNo">1126</span> abstract protected void decodeFirst();<a name="line.1126"></a> |
| <span class="sourceLineNo">1127</span><a name="line.1127"></a> |
| <span class="sourceLineNo">1128</span> abstract protected void decodeNext();<a name="line.1128"></a> |
| <span class="sourceLineNo">1129</span> }<a name="line.1129"></a> |
| <span class="sourceLineNo">1130</span><a name="line.1130"></a> |
| <span class="sourceLineNo">1131</span> /** Returns unencoded size added */<a name="line.1131"></a> |
| <span class="sourceLineNo">1132</span> protected final int afterEncodingKeyValue(Cell cell, DataOutputStream out,<a name="line.1132"></a> |
| <span class="sourceLineNo">1133</span> HFileBlockDefaultEncodingContext encodingCtx) throws IOException {<a name="line.1133"></a> |
| <span class="sourceLineNo">1134</span> int size = 0;<a name="line.1134"></a> |
| <span class="sourceLineNo">1135</span> if (encodingCtx.getHFileContext().isIncludesTags()) {<a name="line.1135"></a> |
| <span class="sourceLineNo">1136</span> int tagsLength = cell.getTagsLength();<a name="line.1136"></a> |
| <span class="sourceLineNo">1137</span> ByteBufferUtils.putCompressedInt(out, tagsLength);<a name="line.1137"></a> |
| <span class="sourceLineNo">1138</span> // There are some tags to be written<a name="line.1138"></a> |
| <span class="sourceLineNo">1139</span> if (tagsLength > 0) {<a name="line.1139"></a> |
| <span class="sourceLineNo">1140</span> TagCompressionContext tagCompressionContext = encodingCtx.getTagCompressionContext();<a name="line.1140"></a> |
| <span class="sourceLineNo">1141</span> // When tag compression is enabled, tagCompressionContext will have a not null value. Write<a name="line.1141"></a> |
| <span class="sourceLineNo">1142</span> // the tags using Dictionary compression in such a case<a name="line.1142"></a> |
| <span class="sourceLineNo">1143</span> if (tagCompressionContext != null) {<a name="line.1143"></a> |
| <span class="sourceLineNo">1144</span> // Not passing tagsLength considering that parsing of the tagsLength is not costly<a name="line.1144"></a> |
| <span class="sourceLineNo">1145</span> PrivateCellUtil.compressTags(out, cell, tagCompressionContext);<a name="line.1145"></a> |
| <span class="sourceLineNo">1146</span> } else {<a name="line.1146"></a> |
| <span class="sourceLineNo">1147</span> PrivateCellUtil.writeTags(out, cell, tagsLength);<a name="line.1147"></a> |
| <span class="sourceLineNo">1148</span> }<a name="line.1148"></a> |
| <span class="sourceLineNo">1149</span> }<a name="line.1149"></a> |
| <span class="sourceLineNo">1150</span> size += tagsLength + KeyValue.TAGS_LENGTH_SIZE;<a name="line.1150"></a> |
| <span class="sourceLineNo">1151</span> }<a name="line.1151"></a> |
| <span class="sourceLineNo">1152</span> if (encodingCtx.getHFileContext().isIncludesMvcc()) {<a name="line.1152"></a> |
| <span class="sourceLineNo">1153</span> // Copy memstore timestamp from the byte buffer to the output stream.<a name="line.1153"></a> |
| <span class="sourceLineNo">1154</span> long memstoreTS = cell.getSequenceId();<a name="line.1154"></a> |
| <span class="sourceLineNo">1155</span> WritableUtils.writeVLong(out, memstoreTS);<a name="line.1155"></a> |
| <span class="sourceLineNo">1156</span> // TODO use a writeVLong which returns the #bytes written so that 2 time parsing can be<a name="line.1156"></a> |
| <span class="sourceLineNo">1157</span> // avoided.<a name="line.1157"></a> |
| <span class="sourceLineNo">1158</span> size += WritableUtils.getVIntSize(memstoreTS);<a name="line.1158"></a> |
| <span class="sourceLineNo">1159</span> }<a name="line.1159"></a> |
| <span class="sourceLineNo">1160</span> return size;<a name="line.1160"></a> |
| <span class="sourceLineNo">1161</span> }<a name="line.1161"></a> |
| <span class="sourceLineNo">1162</span><a name="line.1162"></a> |
| <span class="sourceLineNo">1163</span> protected final void afterDecodingKeyValue(DataInputStream source, ByteBuffer dest,<a name="line.1163"></a> |
| <span class="sourceLineNo">1164</span> HFileBlockDefaultDecodingContext decodingCtx) throws IOException {<a name="line.1164"></a> |
| <span class="sourceLineNo">1165</span> if (decodingCtx.getHFileContext().isIncludesTags()) {<a name="line.1165"></a> |
| <span class="sourceLineNo">1166</span> int tagsLength = ByteBufferUtils.readCompressedInt(source);<a name="line.1166"></a> |
| <span class="sourceLineNo">1167</span> // Put as unsigned short<a name="line.1167"></a> |
| <span class="sourceLineNo">1168</span> dest.put((byte) ((tagsLength >> 8) & 0xff));<a name="line.1168"></a> |
| <span class="sourceLineNo">1169</span> dest.put((byte) (tagsLength & 0xff));<a name="line.1169"></a> |
| <span class="sourceLineNo">1170</span> if (tagsLength > 0) {<a name="line.1170"></a> |
| <span class="sourceLineNo">1171</span> TagCompressionContext tagCompressionContext = decodingCtx.getTagCompressionContext();<a name="line.1171"></a> |
| <span class="sourceLineNo">1172</span> // When tag compression is been used in this file, tagCompressionContext will have a not<a name="line.1172"></a> |
| <span class="sourceLineNo">1173</span> // null value passed.<a name="line.1173"></a> |
| <span class="sourceLineNo">1174</span> if (tagCompressionContext != null) {<a name="line.1174"></a> |
| <span class="sourceLineNo">1175</span> tagCompressionContext.uncompressTags(source, dest, tagsLength);<a name="line.1175"></a> |
| <span class="sourceLineNo">1176</span> } else {<a name="line.1176"></a> |
| <span class="sourceLineNo">1177</span> ByteBufferUtils.copyFromStreamToBuffer(dest, source, tagsLength);<a name="line.1177"></a> |
| <span class="sourceLineNo">1178</span> }<a name="line.1178"></a> |
| <span class="sourceLineNo">1179</span> }<a name="line.1179"></a> |
| <span class="sourceLineNo">1180</span> }<a name="line.1180"></a> |
| <span class="sourceLineNo">1181</span> if (decodingCtx.getHFileContext().isIncludesMvcc()) {<a name="line.1181"></a> |
| <span class="sourceLineNo">1182</span> long memstoreTS = -1;<a name="line.1182"></a> |
| <span class="sourceLineNo">1183</span> try {<a name="line.1183"></a> |
| <span class="sourceLineNo">1184</span> // Copy memstore timestamp from the data input stream to the byte<a name="line.1184"></a> |
| <span class="sourceLineNo">1185</span> // buffer.<a name="line.1185"></a> |
| <span class="sourceLineNo">1186</span> memstoreTS = WritableUtils.readVLong(source);<a name="line.1186"></a> |
| <span class="sourceLineNo">1187</span> ByteBufferUtils.writeVLong(dest, memstoreTS);<a name="line.1187"></a> |
| <span class="sourceLineNo">1188</span> } catch (IOException ex) {<a name="line.1188"></a> |
| <span class="sourceLineNo">1189</span> throw new RuntimeException(<a name="line.1189"></a> |
| <span class="sourceLineNo">1190</span> "Unable to copy memstore timestamp " + memstoreTS + " after decoding a key/value");<a name="line.1190"></a> |
| <span class="sourceLineNo">1191</span> }<a name="line.1191"></a> |
| <span class="sourceLineNo">1192</span> }<a name="line.1192"></a> |
| <span class="sourceLineNo">1193</span> }<a name="line.1193"></a> |
| <span class="sourceLineNo">1194</span><a name="line.1194"></a> |
| <span class="sourceLineNo">1195</span> protected abstract ByteBuffer internalDecodeKeyValues(DataInputStream source,<a name="line.1195"></a> |
| <span class="sourceLineNo">1196</span> int allocateHeaderLength, int skipLastBytes, HFileBlockDefaultDecodingContext decodingCtx)<a name="line.1196"></a> |
| <span class="sourceLineNo">1197</span> throws IOException;<a name="line.1197"></a> |
| <span class="sourceLineNo">1198</span><a name="line.1198"></a> |
| <span class="sourceLineNo">1199</span> /**<a name="line.1199"></a> |
| <span class="sourceLineNo">1200</span> * Asserts that there is at least the given amount of unfilled space remaining in the given<a name="line.1200"></a> |
| <span class="sourceLineNo">1201</span> * buffer.<a name="line.1201"></a> |
| <span class="sourceLineNo">1202</span> * @param out typically, the buffer we are writing to<a name="line.1202"></a> |
| <span class="sourceLineNo">1203</span> * @param length the required space in the buffer<a name="line.1203"></a> |
| <span class="sourceLineNo">1204</span> * @throws EncoderBufferTooSmallException If there are no enough bytes.<a name="line.1204"></a> |
| <span class="sourceLineNo">1205</span> */<a name="line.1205"></a> |
| <span class="sourceLineNo">1206</span> protected static void ensureSpace(ByteBuffer out, int length)<a name="line.1206"></a> |
| <span class="sourceLineNo">1207</span> throws EncoderBufferTooSmallException {<a name="line.1207"></a> |
| <span class="sourceLineNo">1208</span> if (out.position() + length > out.limit()) {<a name="line.1208"></a> |
| <span class="sourceLineNo">1209</span> throw new EncoderBufferTooSmallException("Buffer position=" + out.position()<a name="line.1209"></a> |
| <span class="sourceLineNo">1210</span> + ", buffer limit=" + out.limit() + ", length to be written=" + length);<a name="line.1210"></a> |
| <span class="sourceLineNo">1211</span> }<a name="line.1211"></a> |
| <span class="sourceLineNo">1212</span> }<a name="line.1212"></a> |
| <span class="sourceLineNo">1213</span><a name="line.1213"></a> |
| <span class="sourceLineNo">1214</span> @Override<a name="line.1214"></a> |
| <span class="sourceLineNo">1215</span> public void startBlockEncoding(HFileBlockEncodingContext blkEncodingCtx, DataOutputStream out)<a name="line.1215"></a> |
| <span class="sourceLineNo">1216</span> throws IOException {<a name="line.1216"></a> |
| <span class="sourceLineNo">1217</span> if (blkEncodingCtx.getClass() != HFileBlockDefaultEncodingContext.class) {<a name="line.1217"></a> |
| <span class="sourceLineNo">1218</span> throw new IOException(this.getClass().getName() + " only accepts "<a name="line.1218"></a> |
| <span class="sourceLineNo">1219</span> + HFileBlockDefaultEncodingContext.class.getName() + " as the " + "encoding context.");<a name="line.1219"></a> |
| <span class="sourceLineNo">1220</span> }<a name="line.1220"></a> |
| <span class="sourceLineNo">1221</span><a name="line.1221"></a> |
| <span class="sourceLineNo">1222</span> HFileBlockDefaultEncodingContext encodingCtx =<a name="line.1222"></a> |
| <span class="sourceLineNo">1223</span> (HFileBlockDefaultEncodingContext) blkEncodingCtx;<a name="line.1223"></a> |
| <span class="sourceLineNo">1224</span> encodingCtx.prepareEncoding(out);<a name="line.1224"></a> |
| <span class="sourceLineNo">1225</span> if (<a name="line.1225"></a> |
| <span class="sourceLineNo">1226</span> encodingCtx.getHFileContext().isIncludesTags()<a name="line.1226"></a> |
| <span class="sourceLineNo">1227</span> && encodingCtx.getHFileContext().isCompressTags()<a name="line.1227"></a> |
| <span class="sourceLineNo">1228</span> ) {<a name="line.1228"></a> |
| <span class="sourceLineNo">1229</span> if (encodingCtx.getTagCompressionContext() != null) {<a name="line.1229"></a> |
| <span class="sourceLineNo">1230</span> // It will be overhead to create the TagCompressionContext again and again for every block<a name="line.1230"></a> |
| <span class="sourceLineNo">1231</span> // encoding.<a name="line.1231"></a> |
| <span class="sourceLineNo">1232</span> encodingCtx.getTagCompressionContext().clear();<a name="line.1232"></a> |
| <span class="sourceLineNo">1233</span> } else {<a name="line.1233"></a> |
| <span class="sourceLineNo">1234</span> try {<a name="line.1234"></a> |
| <span class="sourceLineNo">1235</span> TagCompressionContext tagCompressionContext =<a name="line.1235"></a> |
| <span class="sourceLineNo">1236</span> new TagCompressionContext(LRUDictionary.class, Byte.MAX_VALUE);<a name="line.1236"></a> |
| <span class="sourceLineNo">1237</span> encodingCtx.setTagCompressionContext(tagCompressionContext);<a name="line.1237"></a> |
| <span class="sourceLineNo">1238</span> } catch (Exception e) {<a name="line.1238"></a> |
| <span class="sourceLineNo">1239</span> throw new IOException("Failed to initialize TagCompressionContext", e);<a name="line.1239"></a> |
| <span class="sourceLineNo">1240</span> }<a name="line.1240"></a> |
| <span class="sourceLineNo">1241</span> }<a name="line.1241"></a> |
| <span class="sourceLineNo">1242</span> }<a name="line.1242"></a> |
| <span class="sourceLineNo">1243</span> StreamUtils.writeInt(out, 0); // DUMMY length. This will be updated in endBlockEncoding()<a name="line.1243"></a> |
| <span class="sourceLineNo">1244</span> blkEncodingCtx.setEncodingState(new EncodingState());<a name="line.1244"></a> |
| <span class="sourceLineNo">1245</span> }<a name="line.1245"></a> |
| <span class="sourceLineNo">1246</span><a name="line.1246"></a> |
| <span class="sourceLineNo">1247</span> @Override<a name="line.1247"></a> |
| <span class="sourceLineNo">1248</span> public void encode(Cell cell, HFileBlockEncodingContext encodingCtx, DataOutputStream out)<a name="line.1248"></a> |
| <span class="sourceLineNo">1249</span> throws IOException {<a name="line.1249"></a> |
| <span class="sourceLineNo">1250</span> EncodingState state = encodingCtx.getEncodingState();<a name="line.1250"></a> |
| <span class="sourceLineNo">1251</span> int posBeforeEncode = out.size();<a name="line.1251"></a> |
| <span class="sourceLineNo">1252</span> int encodedKvSize = internalEncode(cell, (HFileBlockDefaultEncodingContext) encodingCtx, out);<a name="line.1252"></a> |
| <span class="sourceLineNo">1253</span> state.postCellEncode(encodedKvSize, out.size() - posBeforeEncode);<a name="line.1253"></a> |
| <span class="sourceLineNo">1254</span> }<a name="line.1254"></a> |
| <span class="sourceLineNo">1255</span><a name="line.1255"></a> |
| <span class="sourceLineNo">1256</span> public abstract int internalEncode(Cell cell, HFileBlockDefaultEncodingContext encodingCtx,<a name="line.1256"></a> |
| <span class="sourceLineNo">1257</span> DataOutputStream out) throws IOException;<a name="line.1257"></a> |
| <span class="sourceLineNo">1258</span><a name="line.1258"></a> |
| <span class="sourceLineNo">1259</span> @Override<a name="line.1259"></a> |
| <span class="sourceLineNo">1260</span> public void endBlockEncoding(HFileBlockEncodingContext encodingCtx, DataOutputStream out,<a name="line.1260"></a> |
| <span class="sourceLineNo">1261</span> byte[] uncompressedBytesWithHeader) throws IOException {<a name="line.1261"></a> |
| <span class="sourceLineNo">1262</span> EncodingState state = encodingCtx.getEncodingState();<a name="line.1262"></a> |
| <span class="sourceLineNo">1263</span> // Write the unencodedDataSizeWritten (with header size)<a name="line.1263"></a> |
| <span class="sourceLineNo">1264</span> Bytes.putInt(uncompressedBytesWithHeader,<a name="line.1264"></a> |
| <span class="sourceLineNo">1265</span> HConstants.HFILEBLOCK_HEADER_SIZE + DataBlockEncoding.ID_SIZE,<a name="line.1265"></a> |
| <span class="sourceLineNo">1266</span> state.getUnencodedDataSizeWritten());<a name="line.1266"></a> |
| <span class="sourceLineNo">1267</span> postEncoding(encodingCtx);<a name="line.1267"></a> |
| <span class="sourceLineNo">1268</span> }<a name="line.1268"></a> |
| <span class="sourceLineNo">1269</span><a name="line.1269"></a> |
| <span class="sourceLineNo">1270</span>}<a name="line.1270"></a> |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| </pre> |
| </div> |
| </body> |
| </html> |
