| <!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.hfile;<a name="line.18"></a> |
| <span class="sourceLineNo">019</span><a name="line.19"></a> |
| <span class="sourceLineNo">020</span>import java.io.DataInput;<a name="line.20"></a> |
| <span class="sourceLineNo">021</span>import java.io.DataOutput;<a name="line.21"></a> |
| <span class="sourceLineNo">022</span>import java.io.IOException;<a name="line.22"></a> |
| <span class="sourceLineNo">023</span>import java.util.ArrayDeque;<a name="line.23"></a> |
| <span class="sourceLineNo">024</span>import java.util.Objects;<a name="line.24"></a> |
| <span class="sourceLineNo">025</span>import java.util.Queue;<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.KeyValueUtil;<a name="line.29"></a> |
| <span class="sourceLineNo">030</span>import org.apache.hadoop.hbase.PrivateCellUtil;<a name="line.30"></a> |
| <span class="sourceLineNo">031</span>import org.apache.hadoop.hbase.regionserver.BloomType;<a name="line.31"></a> |
| <span class="sourceLineNo">032</span>import org.apache.hadoop.hbase.util.BloomFilterChunk;<a name="line.32"></a> |
| <span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.util.BloomFilterUtil;<a name="line.33"></a> |
| <span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.util.BloomFilterWriter;<a name="line.34"></a> |
| <span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.35"></a> |
| <span class="sourceLineNo">036</span>import org.apache.hadoop.io.Writable;<a name="line.36"></a> |
| <span class="sourceLineNo">037</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.37"></a> |
| <span class="sourceLineNo">038</span>import org.slf4j.Logger;<a name="line.38"></a> |
| <span class="sourceLineNo">039</span>import org.slf4j.LoggerFactory;<a name="line.39"></a> |
| <span class="sourceLineNo">040</span><a name="line.40"></a> |
| <span class="sourceLineNo">041</span>/**<a name="line.41"></a> |
| <span class="sourceLineNo">042</span> * Adds methods required for writing a compound Bloom filter to the data section of an<a name="line.42"></a> |
| <span class="sourceLineNo">043</span> * {@link org.apache.hadoop.hbase.io.hfile.HFile} to the {@link CompoundBloomFilter} class.<a name="line.43"></a> |
| <span class="sourceLineNo">044</span> */<a name="line.44"></a> |
| <span class="sourceLineNo">045</span>@InterfaceAudience.Private<a name="line.45"></a> |
| <span class="sourceLineNo">046</span>public class CompoundBloomFilterWriter extends CompoundBloomFilterBase<a name="line.46"></a> |
| <span class="sourceLineNo">047</span> implements BloomFilterWriter, InlineBlockWriter {<a name="line.47"></a> |
| <span class="sourceLineNo">048</span><a name="line.48"></a> |
| <span class="sourceLineNo">049</span> private static final Logger LOG = LoggerFactory.getLogger(CompoundBloomFilterWriter.class);<a name="line.49"></a> |
| <span class="sourceLineNo">050</span><a name="line.50"></a> |
| <span class="sourceLineNo">051</span> /** The current chunk being written to */<a name="line.51"></a> |
| <span class="sourceLineNo">052</span> private BloomFilterChunk chunk;<a name="line.52"></a> |
| <span class="sourceLineNo">053</span><a name="line.53"></a> |
| <span class="sourceLineNo">054</span> /** Previous chunk, so that we can create another similar chunk */<a name="line.54"></a> |
| <span class="sourceLineNo">055</span> private BloomFilterChunk prevChunk;<a name="line.55"></a> |
| <span class="sourceLineNo">056</span><a name="line.56"></a> |
| <span class="sourceLineNo">057</span> /** Maximum fold factor */<a name="line.57"></a> |
| <span class="sourceLineNo">058</span> private int maxFold;<a name="line.58"></a> |
| <span class="sourceLineNo">059</span><a name="line.59"></a> |
| <span class="sourceLineNo">060</span> /** The size of individual Bloom filter chunks to create */<a name="line.60"></a> |
| <span class="sourceLineNo">061</span> private int chunkByteSize;<a name="line.61"></a> |
| <span class="sourceLineNo">062</span> /** The prev Cell that was processed */<a name="line.62"></a> |
| <span class="sourceLineNo">063</span> private Cell prevCell;<a name="line.63"></a> |
| <span class="sourceLineNo">064</span><a name="line.64"></a> |
| <span class="sourceLineNo">065</span> /** A Bloom filter chunk enqueued for writing */<a name="line.65"></a> |
| <span class="sourceLineNo">066</span> private static class ReadyChunk {<a name="line.66"></a> |
| <span class="sourceLineNo">067</span> int chunkId;<a name="line.67"></a> |
| <span class="sourceLineNo">068</span> byte[] firstKey;<a name="line.68"></a> |
| <span class="sourceLineNo">069</span> BloomFilterChunk chunk;<a name="line.69"></a> |
| <span class="sourceLineNo">070</span> }<a name="line.70"></a> |
| <span class="sourceLineNo">071</span><a name="line.71"></a> |
| <span class="sourceLineNo">072</span> private Queue<ReadyChunk> readyChunks = new ArrayDeque<>();<a name="line.72"></a> |
| <span class="sourceLineNo">073</span><a name="line.73"></a> |
| <span class="sourceLineNo">074</span> /** The first key in the current Bloom filter chunk. */<a name="line.74"></a> |
| <span class="sourceLineNo">075</span> private byte[] firstKeyInChunk = null;<a name="line.75"></a> |
| <span class="sourceLineNo">076</span><a name="line.76"></a> |
| <span class="sourceLineNo">077</span> private HFileBlockIndex.BlockIndexWriter bloomBlockIndexWriter =<a name="line.77"></a> |
| <span class="sourceLineNo">078</span> new HFileBlockIndex.BlockIndexWriter();<a name="line.78"></a> |
| <span class="sourceLineNo">079</span><a name="line.79"></a> |
| <span class="sourceLineNo">080</span> /** Whether to cache-on-write compound Bloom filter chunks */<a name="line.80"></a> |
| <span class="sourceLineNo">081</span> private boolean cacheOnWrite;<a name="line.81"></a> |
| <span class="sourceLineNo">082</span><a name="line.82"></a> |
| <span class="sourceLineNo">083</span> private BloomType bloomType;<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> * each chunk's size in bytes. The real chunk size might be different as required by the fold<a name="line.86"></a> |
| <span class="sourceLineNo">087</span> * factor. target false positive rate hash function type to use maximum degree of folding allowed<a name="line.87"></a> |
| <span class="sourceLineNo">088</span> * the bloom type<a name="line.88"></a> |
| <span class="sourceLineNo">089</span> */<a name="line.89"></a> |
| <span class="sourceLineNo">090</span> public CompoundBloomFilterWriter(int chunkByteSizeHint, float errorRate, int hashType,<a name="line.90"></a> |
| <span class="sourceLineNo">091</span> int maxFold, boolean cacheOnWrite, CellComparator comparator, BloomType bloomType) {<a name="line.91"></a> |
| <span class="sourceLineNo">092</span> chunkByteSize = BloomFilterUtil.computeFoldableByteSize(chunkByteSizeHint * 8L, maxFold);<a name="line.92"></a> |
| <span class="sourceLineNo">093</span><a name="line.93"></a> |
| <span class="sourceLineNo">094</span> this.errorRate = errorRate;<a name="line.94"></a> |
| <span class="sourceLineNo">095</span> this.hashType = hashType;<a name="line.95"></a> |
| <span class="sourceLineNo">096</span> this.maxFold = maxFold;<a name="line.96"></a> |
| <span class="sourceLineNo">097</span> this.cacheOnWrite = cacheOnWrite;<a name="line.97"></a> |
| <span class="sourceLineNo">098</span> this.comparator = comparator;<a name="line.98"></a> |
| <span class="sourceLineNo">099</span> this.bloomType = bloomType;<a name="line.99"></a> |
| <span class="sourceLineNo">100</span> }<a name="line.100"></a> |
| <span class="sourceLineNo">101</span><a name="line.101"></a> |
| <span class="sourceLineNo">102</span> @Override<a name="line.102"></a> |
| <span class="sourceLineNo">103</span> public boolean shouldWriteBlock(boolean closing) {<a name="line.103"></a> |
| <span class="sourceLineNo">104</span> enqueueReadyChunk(closing);<a name="line.104"></a> |
| <span class="sourceLineNo">105</span> return !readyChunks.isEmpty();<a name="line.105"></a> |
| <span class="sourceLineNo">106</span> }<a name="line.106"></a> |
| <span class="sourceLineNo">107</span><a name="line.107"></a> |
| <span class="sourceLineNo">108</span> /**<a name="line.108"></a> |
| <span class="sourceLineNo">109</span> * Enqueue the current chunk if it is ready to be written out.<a name="line.109"></a> |
| <span class="sourceLineNo">110</span> * @param closing true if we are closing the file, so we do not expect new keys to show up<a name="line.110"></a> |
| <span class="sourceLineNo">111</span> */<a name="line.111"></a> |
| <span class="sourceLineNo">112</span> private void enqueueReadyChunk(boolean closing) {<a name="line.112"></a> |
| <span class="sourceLineNo">113</span> if (chunk == null || (chunk.getKeyCount() < chunk.getMaxKeys() && !closing)) {<a name="line.113"></a> |
| <span class="sourceLineNo">114</span> return;<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> if (firstKeyInChunk == null) {<a name="line.117"></a> |
| <span class="sourceLineNo">118</span> throw new NullPointerException(<a name="line.118"></a> |
| <span class="sourceLineNo">119</span> "Trying to enqueue a chunk, " + "but first key is null: closing=" + closing + ", keyCount="<a name="line.119"></a> |
| <span class="sourceLineNo">120</span> + chunk.getKeyCount() + ", maxKeys=" + chunk.getMaxKeys());<a name="line.120"></a> |
| <span class="sourceLineNo">121</span> }<a name="line.121"></a> |
| <span class="sourceLineNo">122</span><a name="line.122"></a> |
| <span class="sourceLineNo">123</span> ReadyChunk readyChunk = new ReadyChunk();<a name="line.123"></a> |
| <span class="sourceLineNo">124</span> readyChunk.chunkId = numChunks - 1;<a name="line.124"></a> |
| <span class="sourceLineNo">125</span> readyChunk.chunk = chunk;<a name="line.125"></a> |
| <span class="sourceLineNo">126</span> readyChunk.firstKey = firstKeyInChunk;<a name="line.126"></a> |
| <span class="sourceLineNo">127</span> readyChunks.add(readyChunk);<a name="line.127"></a> |
| <span class="sourceLineNo">128</span><a name="line.128"></a> |
| <span class="sourceLineNo">129</span> long prevMaxKeys = chunk.getMaxKeys();<a name="line.129"></a> |
| <span class="sourceLineNo">130</span> long prevByteSize = chunk.getByteSize();<a name="line.130"></a> |
| <span class="sourceLineNo">131</span><a name="line.131"></a> |
| <span class="sourceLineNo">132</span> chunk.compactBloom();<a name="line.132"></a> |
| <span class="sourceLineNo">133</span><a name="line.133"></a> |
| <span class="sourceLineNo">134</span> if (LOG.isTraceEnabled() && prevByteSize != chunk.getByteSize()) {<a name="line.134"></a> |
| <span class="sourceLineNo">135</span> LOG.trace("Compacted Bloom chunk #" + readyChunk.chunkId + " from [" + prevMaxKeys<a name="line.135"></a> |
| <span class="sourceLineNo">136</span> + " max keys, " + prevByteSize + " bytes] to [" + chunk.getMaxKeys() + " max keys, "<a name="line.136"></a> |
| <span class="sourceLineNo">137</span> + chunk.getByteSize() + " bytes]");<a name="line.137"></a> |
| <span class="sourceLineNo">138</span> }<a name="line.138"></a> |
| <span class="sourceLineNo">139</span><a name="line.139"></a> |
| <span class="sourceLineNo">140</span> totalMaxKeys += chunk.getMaxKeys();<a name="line.140"></a> |
| <span class="sourceLineNo">141</span> totalByteSize += chunk.getByteSize();<a name="line.141"></a> |
| <span class="sourceLineNo">142</span><a name="line.142"></a> |
| <span class="sourceLineNo">143</span> firstKeyInChunk = null;<a name="line.143"></a> |
| <span class="sourceLineNo">144</span> prevChunk = chunk;<a name="line.144"></a> |
| <span class="sourceLineNo">145</span> chunk = null;<a name="line.145"></a> |
| <span class="sourceLineNo">146</span> }<a name="line.146"></a> |
| <span class="sourceLineNo">147</span><a name="line.147"></a> |
| <span class="sourceLineNo">148</span> @Override<a name="line.148"></a> |
| <span class="sourceLineNo">149</span> public void append(Cell cell) throws IOException {<a name="line.149"></a> |
| <span class="sourceLineNo">150</span> Objects.requireNonNull(cell);<a name="line.150"></a> |
| <span class="sourceLineNo">151</span><a name="line.151"></a> |
| <span class="sourceLineNo">152</span> enqueueReadyChunk(false);<a name="line.152"></a> |
| <span class="sourceLineNo">153</span><a name="line.153"></a> |
| <span class="sourceLineNo">154</span> if (chunk == null) {<a name="line.154"></a> |
| <span class="sourceLineNo">155</span> if (firstKeyInChunk != null) {<a name="line.155"></a> |
| <span class="sourceLineNo">156</span> throw new IllegalStateException(<a name="line.156"></a> |
| <span class="sourceLineNo">157</span> "First key in chunk already set: " + Bytes.toStringBinary(firstKeyInChunk));<a name="line.157"></a> |
| <span class="sourceLineNo">158</span> }<a name="line.158"></a> |
| <span class="sourceLineNo">159</span> // This will be done only once per chunk<a name="line.159"></a> |
| <span class="sourceLineNo">160</span> if (bloomType == BloomType.ROWCOL) {<a name="line.160"></a> |
| <span class="sourceLineNo">161</span> firstKeyInChunk = PrivateCellUtil<a name="line.161"></a> |
| <span class="sourceLineNo">162</span> .getCellKeySerializedAsKeyValueKey(PrivateCellUtil.createFirstOnRowCol(cell));<a name="line.162"></a> |
| <span class="sourceLineNo">163</span> } else {<a name="line.163"></a> |
| <span class="sourceLineNo">164</span> firstKeyInChunk = CellUtil.copyRow(cell);<a name="line.164"></a> |
| <span class="sourceLineNo">165</span> }<a name="line.165"></a> |
| <span class="sourceLineNo">166</span> allocateNewChunk();<a name="line.166"></a> |
| <span class="sourceLineNo">167</span> }<a name="line.167"></a> |
| <span class="sourceLineNo">168</span><a name="line.168"></a> |
| <span class="sourceLineNo">169</span> chunk.add(cell);<a name="line.169"></a> |
| <span class="sourceLineNo">170</span> this.prevCell = cell;<a name="line.170"></a> |
| <span class="sourceLineNo">171</span> ++totalKeyCount;<a name="line.171"></a> |
| <span class="sourceLineNo">172</span> }<a name="line.172"></a> |
| <span class="sourceLineNo">173</span><a name="line.173"></a> |
| <span class="sourceLineNo">174</span> @Override<a name="line.174"></a> |
| <span class="sourceLineNo">175</span> public void beforeShipped() throws IOException {<a name="line.175"></a> |
| <span class="sourceLineNo">176</span> if (this.prevCell != null) {<a name="line.176"></a> |
| <span class="sourceLineNo">177</span> this.prevCell = KeyValueUtil.toNewKeyCell(this.prevCell);<a name="line.177"></a> |
| <span class="sourceLineNo">178</span> }<a name="line.178"></a> |
| <span class="sourceLineNo">179</span> }<a name="line.179"></a> |
| <span class="sourceLineNo">180</span><a name="line.180"></a> |
| <span class="sourceLineNo">181</span> @Override<a name="line.181"></a> |
| <span class="sourceLineNo">182</span> public Cell getPrevCell() {<a name="line.182"></a> |
| <span class="sourceLineNo">183</span> return this.prevCell;<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> private void allocateNewChunk() {<a name="line.186"></a> |
| <span class="sourceLineNo">187</span> if (prevChunk == null) {<a name="line.187"></a> |
| <span class="sourceLineNo">188</span> // First chunk<a name="line.188"></a> |
| <span class="sourceLineNo">189</span> chunk = BloomFilterUtil.createBySize(chunkByteSize, errorRate, hashType, maxFold, bloomType);<a name="line.189"></a> |
| <span class="sourceLineNo">190</span> } else {<a name="line.190"></a> |
| <span class="sourceLineNo">191</span> // Use the same parameters as the last chunk, but a new array and<a name="line.191"></a> |
| <span class="sourceLineNo">192</span> // a zero key count.<a name="line.192"></a> |
| <span class="sourceLineNo">193</span> chunk = prevChunk.createAnother();<a name="line.193"></a> |
| <span class="sourceLineNo">194</span> }<a name="line.194"></a> |
| <span class="sourceLineNo">195</span><a name="line.195"></a> |
| <span class="sourceLineNo">196</span> if (chunk.getKeyCount() != 0) {<a name="line.196"></a> |
| <span class="sourceLineNo">197</span> throw new IllegalStateException("keyCount=" + chunk.getKeyCount() + " > 0");<a name="line.197"></a> |
| <span class="sourceLineNo">198</span> }<a name="line.198"></a> |
| <span class="sourceLineNo">199</span><a name="line.199"></a> |
| <span class="sourceLineNo">200</span> chunk.allocBloom();<a name="line.200"></a> |
| <span class="sourceLineNo">201</span> ++numChunks;<a name="line.201"></a> |
| <span class="sourceLineNo">202</span> }<a name="line.202"></a> |
| <span class="sourceLineNo">203</span><a name="line.203"></a> |
| <span class="sourceLineNo">204</span> @Override<a name="line.204"></a> |
| <span class="sourceLineNo">205</span> public void writeInlineBlock(DataOutput out) throws IOException {<a name="line.205"></a> |
| <span class="sourceLineNo">206</span> // We don't remove the chunk from the queue here, because we might need it<a name="line.206"></a> |
| <span class="sourceLineNo">207</span> // again for cache-on-write.<a name="line.207"></a> |
| <span class="sourceLineNo">208</span> ReadyChunk readyChunk = readyChunks.peek();<a name="line.208"></a> |
| <span class="sourceLineNo">209</span><a name="line.209"></a> |
| <span class="sourceLineNo">210</span> BloomFilterChunk readyChunkBloom = readyChunk.chunk;<a name="line.210"></a> |
| <span class="sourceLineNo">211</span> readyChunkBloom.writeBloom(out);<a name="line.211"></a> |
| <span class="sourceLineNo">212</span> }<a name="line.212"></a> |
| <span class="sourceLineNo">213</span><a name="line.213"></a> |
| <span class="sourceLineNo">214</span> @Override<a name="line.214"></a> |
| <span class="sourceLineNo">215</span> public void blockWritten(long offset, int onDiskSize, int uncompressedSize) {<a name="line.215"></a> |
| <span class="sourceLineNo">216</span> ReadyChunk readyChunk = readyChunks.remove();<a name="line.216"></a> |
| <span class="sourceLineNo">217</span> bloomBlockIndexWriter.addEntry(readyChunk.firstKey, offset, onDiskSize);<a name="line.217"></a> |
| <span class="sourceLineNo">218</span> }<a name="line.218"></a> |
| <span class="sourceLineNo">219</span><a name="line.219"></a> |
| <span class="sourceLineNo">220</span> @Override<a name="line.220"></a> |
| <span class="sourceLineNo">221</span> public BlockType getInlineBlockType() {<a name="line.221"></a> |
| <span class="sourceLineNo">222</span> return BlockType.BLOOM_CHUNK;<a name="line.222"></a> |
| <span class="sourceLineNo">223</span> }<a name="line.223"></a> |
| <span class="sourceLineNo">224</span><a name="line.224"></a> |
| <span class="sourceLineNo">225</span> private class MetaWriter implements Writable {<a name="line.225"></a> |
| <span class="sourceLineNo">226</span> protected MetaWriter() {<a name="line.226"></a> |
| <span class="sourceLineNo">227</span> }<a name="line.227"></a> |
| <span class="sourceLineNo">228</span><a name="line.228"></a> |
| <span class="sourceLineNo">229</span> @Override<a name="line.229"></a> |
| <span class="sourceLineNo">230</span> public void readFields(DataInput in) throws IOException {<a name="line.230"></a> |
| <span class="sourceLineNo">231</span> throw new IOException("Cant read with this class.");<a name="line.231"></a> |
| <span class="sourceLineNo">232</span> }<a name="line.232"></a> |
| <span class="sourceLineNo">233</span><a name="line.233"></a> |
| <span class="sourceLineNo">234</span> /**<a name="line.234"></a> |
| <span class="sourceLineNo">235</span> * This is modeled after {@link CompoundBloomFilterWriter.MetaWriter} for simplicity, although<a name="line.235"></a> |
| <span class="sourceLineNo">236</span> * the two metadata formats do not have to be consistent. This does have to be consistent with<a name="line.236"></a> |
| <span class="sourceLineNo">237</span> * how<a name="line.237"></a> |
| <span class="sourceLineNo">238</span> * {@link CompoundBloomFilter#CompoundBloomFilter(DataInput, org.apache.hadoop.hbase.io.hfile.HFile.Reader, BloomFilterMetrics)}<a name="line.238"></a> |
| <span class="sourceLineNo">239</span> * reads fields.<a name="line.239"></a> |
| <span class="sourceLineNo">240</span> */<a name="line.240"></a> |
| <span class="sourceLineNo">241</span> @Override<a name="line.241"></a> |
| <span class="sourceLineNo">242</span> public void write(DataOutput out) throws IOException {<a name="line.242"></a> |
| <span class="sourceLineNo">243</span> out.writeInt(VERSION);<a name="line.243"></a> |
| <span class="sourceLineNo">244</span><a name="line.244"></a> |
| <span class="sourceLineNo">245</span> out.writeLong(getByteSize());<a name="line.245"></a> |
| <span class="sourceLineNo">246</span> out.writeInt(prevChunk.getHashCount());<a name="line.246"></a> |
| <span class="sourceLineNo">247</span> out.writeInt(prevChunk.getHashType());<a name="line.247"></a> |
| <span class="sourceLineNo">248</span> out.writeLong(getKeyCount());<a name="line.248"></a> |
| <span class="sourceLineNo">249</span> out.writeLong(getMaxKeys());<a name="line.249"></a> |
| <span class="sourceLineNo">250</span><a name="line.250"></a> |
| <span class="sourceLineNo">251</span> // Fields that don't have equivalents in ByteBloomFilter.<a name="line.251"></a> |
| <span class="sourceLineNo">252</span> out.writeInt(numChunks);<a name="line.252"></a> |
| <span class="sourceLineNo">253</span> if (comparator != null) {<a name="line.253"></a> |
| <span class="sourceLineNo">254</span> Bytes.writeByteArray(out, Bytes.toBytes(comparator.getClass().getName()));<a name="line.254"></a> |
| <span class="sourceLineNo">255</span> } else {<a name="line.255"></a> |
| <span class="sourceLineNo">256</span> // Internally writes a 0 vint if the byte[] is null<a name="line.256"></a> |
| <span class="sourceLineNo">257</span> Bytes.writeByteArray(out, null);<a name="line.257"></a> |
| <span class="sourceLineNo">258</span> }<a name="line.258"></a> |
| <span class="sourceLineNo">259</span><a name="line.259"></a> |
| <span class="sourceLineNo">260</span> // Write a single-level index without compression or block header.<a name="line.260"></a> |
| <span class="sourceLineNo">261</span> bloomBlockIndexWriter.writeSingleLevelIndex(out, "Bloom filter");<a name="line.261"></a> |
| <span class="sourceLineNo">262</span> }<a name="line.262"></a> |
| <span class="sourceLineNo">263</span> }<a name="line.263"></a> |
| <span class="sourceLineNo">264</span><a name="line.264"></a> |
| <span class="sourceLineNo">265</span> @Override<a name="line.265"></a> |
| <span class="sourceLineNo">266</span> public void compactBloom() {<a name="line.266"></a> |
| <span class="sourceLineNo">267</span> }<a name="line.267"></a> |
| <span class="sourceLineNo">268</span><a name="line.268"></a> |
| <span class="sourceLineNo">269</span> @Override<a name="line.269"></a> |
| <span class="sourceLineNo">270</span> public Writable getMetaWriter() {<a name="line.270"></a> |
| <span class="sourceLineNo">271</span> return new MetaWriter();<a name="line.271"></a> |
| <span class="sourceLineNo">272</span> }<a name="line.272"></a> |
| <span class="sourceLineNo">273</span><a name="line.273"></a> |
| <span class="sourceLineNo">274</span> @Override<a name="line.274"></a> |
| <span class="sourceLineNo">275</span> public Writable getDataWriter() {<a name="line.275"></a> |
| <span class="sourceLineNo">276</span> return null;<a name="line.276"></a> |
| <span class="sourceLineNo">277</span> }<a name="line.277"></a> |
| <span class="sourceLineNo">278</span><a name="line.278"></a> |
| <span class="sourceLineNo">279</span> @Override<a name="line.279"></a> |
| <span class="sourceLineNo">280</span> public boolean getCacheOnWrite() {<a name="line.280"></a> |
| <span class="sourceLineNo">281</span> return cacheOnWrite;<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> |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| </pre> |
| </div> |
| </body> |
| </html> |
