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| <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><a name="line.18"></a> |
| <span class="sourceLineNo">019</span>package org.apache.hadoop.hbase;<a name="line.19"></a> |
| <span class="sourceLineNo">020</span><a name="line.20"></a> |
| <span class="sourceLineNo">021</span>import java.io.DataInput;<a name="line.21"></a> |
| <span class="sourceLineNo">022</span>import java.io.DataOutput;<a name="line.22"></a> |
| <span class="sourceLineNo">023</span>import java.io.EOFException;<a name="line.23"></a> |
| <span class="sourceLineNo">024</span>import java.io.IOException;<a name="line.24"></a> |
| <span class="sourceLineNo">025</span>import java.io.InputStream;<a name="line.25"></a> |
| <span class="sourceLineNo">026</span>import java.io.OutputStream;<a name="line.26"></a> |
| <span class="sourceLineNo">027</span>import java.nio.ByteBuffer;<a name="line.27"></a> |
| <span class="sourceLineNo">028</span>import java.util.ArrayList;<a name="line.28"></a> |
| <span class="sourceLineNo">029</span>import java.util.List;<a name="line.29"></a> |
| <span class="sourceLineNo">030</span><a name="line.30"></a> |
| <span class="sourceLineNo">031</span>import org.apache.hadoop.hbase.KeyValue.Type;<a name="line.31"></a> |
| <span class="sourceLineNo">032</span>import org.apache.hadoop.hbase.io.util.StreamUtils;<a name="line.32"></a> |
| <span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.util.ByteBufferUtils;<a name="line.33"></a> |
| <span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.34"></a> |
| <span class="sourceLineNo">035</span>import org.apache.hadoop.io.IOUtils;<a name="line.35"></a> |
| <span class="sourceLineNo">036</span>import org.apache.hadoop.io.WritableUtils;<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>import org.apache.hbase.thirdparty.com.google.common.base.Function;<a name="line.41"></a> |
| <span class="sourceLineNo">042</span>import org.apache.hbase.thirdparty.com.google.common.collect.Lists;<a name="line.42"></a> |
| <span class="sourceLineNo">043</span>import org.apache.hbase.thirdparty.org.apache.commons.collections4.IterableUtils;<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> * static convenience methods for dealing with KeyValues and collections of KeyValues<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>public class KeyValueUtil {<a name="line.49"></a> |
| <span class="sourceLineNo">050</span><a name="line.50"></a> |
| <span class="sourceLineNo">051</span> private static final Logger LOG = LoggerFactory.getLogger(KeyValueUtil.class);<a name="line.51"></a> |
| <span class="sourceLineNo">052</span><a name="line.52"></a> |
| <span class="sourceLineNo">053</span> /**************** length *********************/<a name="line.53"></a> |
| <span class="sourceLineNo">054</span><a name="line.54"></a> |
| <span class="sourceLineNo">055</span> public static int length(short rlen, byte flen, int qlen, int vlen, int tlen, boolean withTags) {<a name="line.55"></a> |
| <span class="sourceLineNo">056</span> if (withTags) {<a name="line.56"></a> |
| <span class="sourceLineNo">057</span> return (int) (KeyValue.getKeyValueDataStructureSize(rlen, flen, qlen, vlen, tlen));<a name="line.57"></a> |
| <span class="sourceLineNo">058</span> }<a name="line.58"></a> |
| <span class="sourceLineNo">059</span> return (int) (KeyValue.getKeyValueDataStructureSize(rlen, flen, qlen, vlen));<a name="line.59"></a> |
| <span class="sourceLineNo">060</span> }<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> * Returns number of bytes this cell's key part would have been used if serialized as in<a name="line.63"></a> |
| <span class="sourceLineNo">064</span> * {@link KeyValue}. Key includes rowkey, family, qualifier, timestamp and type.<a name="line.64"></a> |
| <span class="sourceLineNo">065</span> * @param cell<a name="line.65"></a> |
| <span class="sourceLineNo">066</span> * @return the key length<a name="line.66"></a> |
| <span class="sourceLineNo">067</span> */<a name="line.67"></a> |
| <span class="sourceLineNo">068</span> public static int keyLength(final Cell cell) {<a name="line.68"></a> |
| <span class="sourceLineNo">069</span> return keyLength(cell.getRowLength(), cell.getFamilyLength(), cell.getQualifierLength());<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 static int keyLength(short rlen, byte flen, int qlen) {<a name="line.72"></a> |
| <span class="sourceLineNo">073</span> return (int) KeyValue.getKeyDataStructureSize(rlen, flen, qlen);<a name="line.73"></a> |
| <span class="sourceLineNo">074</span> }<a name="line.74"></a> |
| <span class="sourceLineNo">075</span><a name="line.75"></a> |
| <span class="sourceLineNo">076</span> public static int lengthWithMvccVersion(final KeyValue kv, final boolean includeMvccVersion) {<a name="line.76"></a> |
| <span class="sourceLineNo">077</span> int length = kv.getLength();<a name="line.77"></a> |
| <span class="sourceLineNo">078</span> if (includeMvccVersion) {<a name="line.78"></a> |
| <span class="sourceLineNo">079</span> length += WritableUtils.getVIntSize(kv.getSequenceId());<a name="line.79"></a> |
| <span class="sourceLineNo">080</span> }<a name="line.80"></a> |
| <span class="sourceLineNo">081</span> return length;<a name="line.81"></a> |
| <span class="sourceLineNo">082</span> }<a name="line.82"></a> |
| <span class="sourceLineNo">083</span><a name="line.83"></a> |
| <span class="sourceLineNo">084</span> public static int totalLengthWithMvccVersion(final Iterable<? extends KeyValue> kvs,<a name="line.84"></a> |
| <span class="sourceLineNo">085</span> final boolean includeMvccVersion) {<a name="line.85"></a> |
| <span class="sourceLineNo">086</span> int length = 0;<a name="line.86"></a> |
| <span class="sourceLineNo">087</span> for (KeyValue kv : IterableUtils.emptyIfNull(kvs)) {<a name="line.87"></a> |
| <span class="sourceLineNo">088</span> length += lengthWithMvccVersion(kv, includeMvccVersion);<a name="line.88"></a> |
| <span class="sourceLineNo">089</span> }<a name="line.89"></a> |
| <span class="sourceLineNo">090</span> return length;<a name="line.90"></a> |
| <span class="sourceLineNo">091</span> }<a name="line.91"></a> |
| <span class="sourceLineNo">092</span><a name="line.92"></a> |
| <span class="sourceLineNo">093</span><a name="line.93"></a> |
| <span class="sourceLineNo">094</span> /**************** copy the cell to create a new keyvalue *********************/<a name="line.94"></a> |
| <span class="sourceLineNo">095</span><a name="line.95"></a> |
| <span class="sourceLineNo">096</span> public static KeyValue copyToNewKeyValue(final Cell cell) {<a name="line.96"></a> |
| <span class="sourceLineNo">097</span> byte[] bytes = copyToNewByteArray(cell);<a name="line.97"></a> |
| <span class="sourceLineNo">098</span> KeyValue kvCell = new KeyValue(bytes, 0, bytes.length);<a name="line.98"></a> |
| <span class="sourceLineNo">099</span> kvCell.setSequenceId(cell.getSequenceId());<a name="line.99"></a> |
| <span class="sourceLineNo">100</span> return kvCell;<a name="line.100"></a> |
| <span class="sourceLineNo">101</span> }<a name="line.101"></a> |
| <span class="sourceLineNo">102</span><a name="line.102"></a> |
| <span class="sourceLineNo">103</span> /**<a name="line.103"></a> |
| <span class="sourceLineNo">104</span> * The position will be set to the beginning of the new ByteBuffer<a name="line.104"></a> |
| <span class="sourceLineNo">105</span> * @param cell<a name="line.105"></a> |
| <span class="sourceLineNo">106</span> * @return the Bytebuffer containing the key part of the cell<a name="line.106"></a> |
| <span class="sourceLineNo">107</span> */<a name="line.107"></a> |
| <span class="sourceLineNo">108</span> public static ByteBuffer copyKeyToNewByteBuffer(final Cell cell) {<a name="line.108"></a> |
| <span class="sourceLineNo">109</span> byte[] bytes = new byte[keyLength(cell)];<a name="line.109"></a> |
| <span class="sourceLineNo">110</span> appendKeyTo(cell, bytes, 0);<a name="line.110"></a> |
| <span class="sourceLineNo">111</span> ByteBuffer buffer = ByteBuffer.wrap(bytes);<a name="line.111"></a> |
| <span class="sourceLineNo">112</span> return buffer;<a name="line.112"></a> |
| <span class="sourceLineNo">113</span> }<a name="line.113"></a> |
| <span class="sourceLineNo">114</span><a name="line.114"></a> |
| <span class="sourceLineNo">115</span> /**<a name="line.115"></a> |
| <span class="sourceLineNo">116</span> * Copies the key to a new KeyValue<a name="line.116"></a> |
| <span class="sourceLineNo">117</span> * @param cell<a name="line.117"></a> |
| <span class="sourceLineNo">118</span> * @return the KeyValue that consists only the key part of the incoming cell<a name="line.118"></a> |
| <span class="sourceLineNo">119</span> */<a name="line.119"></a> |
| <span class="sourceLineNo">120</span> public static KeyValue toNewKeyCell(final Cell cell) {<a name="line.120"></a> |
| <span class="sourceLineNo">121</span> byte[] bytes = new byte[keyLength(cell)];<a name="line.121"></a> |
| <span class="sourceLineNo">122</span> appendKeyTo(cell, bytes, 0);<a name="line.122"></a> |
| <span class="sourceLineNo">123</span> KeyValue kv = new KeyValue.KeyOnlyKeyValue(bytes, 0, bytes.length);<a name="line.123"></a> |
| <span class="sourceLineNo">124</span> // Set the seq id. The new key cell could be used in comparisons so it<a name="line.124"></a> |
| <span class="sourceLineNo">125</span> // is important that it uses the seqid also. If not the comparsion would fail<a name="line.125"></a> |
| <span class="sourceLineNo">126</span> kv.setSequenceId(cell.getSequenceId());<a name="line.126"></a> |
| <span class="sourceLineNo">127</span> return kv;<a name="line.127"></a> |
| <span class="sourceLineNo">128</span> }<a name="line.128"></a> |
| <span class="sourceLineNo">129</span><a name="line.129"></a> |
| <span class="sourceLineNo">130</span> public static byte[] copyToNewByteArray(final Cell cell) {<a name="line.130"></a> |
| <span class="sourceLineNo">131</span> int v1Length = cell.getSerializedSize();<a name="line.131"></a> |
| <span class="sourceLineNo">132</span> byte[] backingBytes = new byte[v1Length];<a name="line.132"></a> |
| <span class="sourceLineNo">133</span> appendToByteArray(cell, backingBytes, 0, true);<a name="line.133"></a> |
| <span class="sourceLineNo">134</span> return backingBytes;<a name="line.134"></a> |
| <span class="sourceLineNo">135</span> }<a name="line.135"></a> |
| <span class="sourceLineNo">136</span><a name="line.136"></a> |
| <span class="sourceLineNo">137</span> public static int appendKeyTo(final Cell cell, final byte[] output,<a name="line.137"></a> |
| <span class="sourceLineNo">138</span> final int offset) {<a name="line.138"></a> |
| <span class="sourceLineNo">139</span> int nextOffset = offset;<a name="line.139"></a> |
| <span class="sourceLineNo">140</span> nextOffset = Bytes.putShort(output, nextOffset, cell.getRowLength());<a name="line.140"></a> |
| <span class="sourceLineNo">141</span> nextOffset = CellUtil.copyRowTo(cell, output, nextOffset);<a name="line.141"></a> |
| <span class="sourceLineNo">142</span> nextOffset = Bytes.putByte(output, nextOffset, cell.getFamilyLength());<a name="line.142"></a> |
| <span class="sourceLineNo">143</span> nextOffset = CellUtil.copyFamilyTo(cell, output, nextOffset);<a name="line.143"></a> |
| <span class="sourceLineNo">144</span> nextOffset = CellUtil.copyQualifierTo(cell, output, nextOffset);<a name="line.144"></a> |
| <span class="sourceLineNo">145</span> nextOffset = Bytes.putLong(output, nextOffset, cell.getTimestamp());<a name="line.145"></a> |
| <span class="sourceLineNo">146</span> nextOffset = Bytes.putByte(output, nextOffset, cell.getTypeByte());<a name="line.146"></a> |
| <span class="sourceLineNo">147</span> return nextOffset;<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> /**************** copy key and value *********************/<a name="line.150"></a> |
| <span class="sourceLineNo">151</span><a name="line.151"></a> |
| <span class="sourceLineNo">152</span> public static int appendToByteArray(Cell cell, byte[] output, int offset, boolean withTags) {<a name="line.152"></a> |
| <span class="sourceLineNo">153</span> int pos = offset;<a name="line.153"></a> |
| <span class="sourceLineNo">154</span> pos = Bytes.putInt(output, pos, keyLength(cell));<a name="line.154"></a> |
| <span class="sourceLineNo">155</span> pos = Bytes.putInt(output, pos, cell.getValueLength());<a name="line.155"></a> |
| <span class="sourceLineNo">156</span> pos = appendKeyTo(cell, output, pos);<a name="line.156"></a> |
| <span class="sourceLineNo">157</span> pos = CellUtil.copyValueTo(cell, output, pos);<a name="line.157"></a> |
| <span class="sourceLineNo">158</span> if (withTags && (cell.getTagsLength() > 0)) {<a name="line.158"></a> |
| <span class="sourceLineNo">159</span> pos = Bytes.putAsShort(output, pos, cell.getTagsLength());<a name="line.159"></a> |
| <span class="sourceLineNo">160</span> pos = PrivateCellUtil.copyTagsTo(cell, output, pos);<a name="line.160"></a> |
| <span class="sourceLineNo">161</span> }<a name="line.161"></a> |
| <span class="sourceLineNo">162</span> return pos;<a name="line.162"></a> |
| <span class="sourceLineNo">163</span> }<a name="line.163"></a> |
| <span class="sourceLineNo">164</span><a name="line.164"></a> |
| <span class="sourceLineNo">165</span> /**<a name="line.165"></a> |
| <span class="sourceLineNo">166</span> * Copy the Cell content into the passed buf in KeyValue serialization format.<a name="line.166"></a> |
| <span class="sourceLineNo">167</span> */<a name="line.167"></a> |
| <span class="sourceLineNo">168</span> public static int appendTo(Cell cell, ByteBuffer buf, int offset, boolean withTags) {<a name="line.168"></a> |
| <span class="sourceLineNo">169</span> offset = ByteBufferUtils.putInt(buf, offset, keyLength(cell));// Key length<a name="line.169"></a> |
| <span class="sourceLineNo">170</span> offset = ByteBufferUtils.putInt(buf, offset, cell.getValueLength());// Value length<a name="line.170"></a> |
| <span class="sourceLineNo">171</span> offset = appendKeyTo(cell, buf, offset);<a name="line.171"></a> |
| <span class="sourceLineNo">172</span> offset = CellUtil.copyValueTo(cell, buf, offset);// Value bytes<a name="line.172"></a> |
| <span class="sourceLineNo">173</span> int tagsLength = cell.getTagsLength();<a name="line.173"></a> |
| <span class="sourceLineNo">174</span> if (withTags && (tagsLength > 0)) {<a name="line.174"></a> |
| <span class="sourceLineNo">175</span> offset = ByteBufferUtils.putAsShort(buf, offset, tagsLength);// Tags length<a name="line.175"></a> |
| <span class="sourceLineNo">176</span> offset = PrivateCellUtil.copyTagsTo(cell, buf, offset);// Tags bytes<a name="line.176"></a> |
| <span class="sourceLineNo">177</span> }<a name="line.177"></a> |
| <span class="sourceLineNo">178</span> return offset;<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> public static int appendKeyTo(Cell cell, ByteBuffer buf, int offset) {<a name="line.181"></a> |
| <span class="sourceLineNo">182</span> offset = ByteBufferUtils.putShort(buf, offset, cell.getRowLength());// RK length<a name="line.182"></a> |
| <span class="sourceLineNo">183</span> offset = CellUtil.copyRowTo(cell, buf, offset);// Row bytes<a name="line.183"></a> |
| <span class="sourceLineNo">184</span> offset = ByteBufferUtils.putByte(buf, offset, cell.getFamilyLength());// CF length<a name="line.184"></a> |
| <span class="sourceLineNo">185</span> offset = CellUtil.copyFamilyTo(cell, buf, offset);// CF bytes<a name="line.185"></a> |
| <span class="sourceLineNo">186</span> offset = CellUtil.copyQualifierTo(cell, buf, offset);// Qualifier bytes<a name="line.186"></a> |
| <span class="sourceLineNo">187</span> offset = ByteBufferUtils.putLong(buf, offset, cell.getTimestamp());// TS<a name="line.187"></a> |
| <span class="sourceLineNo">188</span> offset = ByteBufferUtils.putByte(buf, offset, cell.getTypeByte());// Type<a name="line.188"></a> |
| <span class="sourceLineNo">189</span> return offset;<a name="line.189"></a> |
| <span class="sourceLineNo">190</span> }<a name="line.190"></a> |
| <span class="sourceLineNo">191</span><a name="line.191"></a> |
| <span class="sourceLineNo">192</span> public static void appendToByteBuffer(final ByteBuffer bb, final KeyValue kv,<a name="line.192"></a> |
| <span class="sourceLineNo">193</span> final boolean includeMvccVersion) {<a name="line.193"></a> |
| <span class="sourceLineNo">194</span> // keep pushing the limit out. assume enough capacity<a name="line.194"></a> |
| <span class="sourceLineNo">195</span> bb.limit(bb.position() + kv.getLength());<a name="line.195"></a> |
| <span class="sourceLineNo">196</span> bb.put(kv.getBuffer(), kv.getOffset(), kv.getLength());<a name="line.196"></a> |
| <span class="sourceLineNo">197</span> if (includeMvccVersion) {<a name="line.197"></a> |
| <span class="sourceLineNo">198</span> int numMvccVersionBytes = WritableUtils.getVIntSize(kv.getSequenceId());<a name="line.198"></a> |
| <span class="sourceLineNo">199</span> ByteBufferUtils.extendLimit(bb, numMvccVersionBytes);<a name="line.199"></a> |
| <span class="sourceLineNo">200</span> ByteBufferUtils.writeVLong(bb, kv.getSequenceId());<a name="line.200"></a> |
| <span class="sourceLineNo">201</span> }<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><a name="line.204"></a> |
| <span class="sourceLineNo">205</span> /**************** iterating *******************************/<a name="line.205"></a> |
| <span class="sourceLineNo">206</span><a name="line.206"></a> |
| <span class="sourceLineNo">207</span> /**<a name="line.207"></a> |
| <span class="sourceLineNo">208</span> * Creates a new KeyValue object positioned in the supplied ByteBuffer and sets the ByteBuffer's<a name="line.208"></a> |
| <span class="sourceLineNo">209</span> * position to the start of the next KeyValue. Does not allocate a new array or copy data.<a name="line.209"></a> |
| <span class="sourceLineNo">210</span> * @param bb<a name="line.210"></a> |
| <span class="sourceLineNo">211</span> * @param includesMvccVersion<a name="line.211"></a> |
| <span class="sourceLineNo">212</span> * @param includesTags<a name="line.212"></a> |
| <span class="sourceLineNo">213</span> */<a name="line.213"></a> |
| <span class="sourceLineNo">214</span> public static KeyValue nextShallowCopy(final ByteBuffer bb, final boolean includesMvccVersion,<a name="line.214"></a> |
| <span class="sourceLineNo">215</span> boolean includesTags) {<a name="line.215"></a> |
| <span class="sourceLineNo">216</span> if (bb.isDirect()) {<a name="line.216"></a> |
| <span class="sourceLineNo">217</span> throw new IllegalArgumentException("only supports heap buffers");<a name="line.217"></a> |
| <span class="sourceLineNo">218</span> }<a name="line.218"></a> |
| <span class="sourceLineNo">219</span> if (bb.remaining() < 1) {<a name="line.219"></a> |
| <span class="sourceLineNo">220</span> return null;<a name="line.220"></a> |
| <span class="sourceLineNo">221</span> }<a name="line.221"></a> |
| <span class="sourceLineNo">222</span> KeyValue keyValue = null;<a name="line.222"></a> |
| <span class="sourceLineNo">223</span> int underlyingArrayOffset = bb.arrayOffset() + bb.position();<a name="line.223"></a> |
| <span class="sourceLineNo">224</span> int keyLength = bb.getInt();<a name="line.224"></a> |
| <span class="sourceLineNo">225</span> int valueLength = bb.getInt();<a name="line.225"></a> |
| <span class="sourceLineNo">226</span> ByteBufferUtils.skip(bb, keyLength + valueLength);<a name="line.226"></a> |
| <span class="sourceLineNo">227</span> int tagsLength = 0;<a name="line.227"></a> |
| <span class="sourceLineNo">228</span> if (includesTags) {<a name="line.228"></a> |
| <span class="sourceLineNo">229</span> // Read short as unsigned, high byte first<a name="line.229"></a> |
| <span class="sourceLineNo">230</span> tagsLength = ((bb.get() & 0xff) << 8) ^ (bb.get() & 0xff);<a name="line.230"></a> |
| <span class="sourceLineNo">231</span> ByteBufferUtils.skip(bb, tagsLength);<a name="line.231"></a> |
| <span class="sourceLineNo">232</span> }<a name="line.232"></a> |
| <span class="sourceLineNo">233</span> int kvLength = (int) KeyValue.getKeyValueDataStructureSize(keyLength, valueLength, tagsLength);<a name="line.233"></a> |
| <span class="sourceLineNo">234</span> keyValue = new KeyValue(bb.array(), underlyingArrayOffset, kvLength);<a name="line.234"></a> |
| <span class="sourceLineNo">235</span> if (includesMvccVersion) {<a name="line.235"></a> |
| <span class="sourceLineNo">236</span> long mvccVersion = ByteBufferUtils.readVLong(bb);<a name="line.236"></a> |
| <span class="sourceLineNo">237</span> keyValue.setSequenceId(mvccVersion);<a name="line.237"></a> |
| <span class="sourceLineNo">238</span> }<a name="line.238"></a> |
| <span class="sourceLineNo">239</span> return keyValue;<a name="line.239"></a> |
| <span class="sourceLineNo">240</span> }<a name="line.240"></a> |
| <span class="sourceLineNo">241</span><a name="line.241"></a> |
| <span class="sourceLineNo">242</span><a name="line.242"></a> |
| <span class="sourceLineNo">243</span> /*************** next/previous **********************************/<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> * Decrement the timestamp. For tests (currently wasteful)<a name="line.246"></a> |
| <span class="sourceLineNo">247</span> *<a name="line.247"></a> |
| <span class="sourceLineNo">248</span> * Remember timestamps are sorted reverse chronologically.<a name="line.248"></a> |
| <span class="sourceLineNo">249</span> * @param in<a name="line.249"></a> |
| <span class="sourceLineNo">250</span> * @return previous key<a name="line.250"></a> |
| <span class="sourceLineNo">251</span> */<a name="line.251"></a> |
| <span class="sourceLineNo">252</span> public static KeyValue previousKey(final KeyValue in) {<a name="line.252"></a> |
| <span class="sourceLineNo">253</span> return createFirstOnRow(CellUtil.cloneRow(in), CellUtil.cloneFamily(in),<a name="line.253"></a> |
| <span class="sourceLineNo">254</span> CellUtil.cloneQualifier(in), in.getTimestamp() - 1);<a name="line.254"></a> |
| <span class="sourceLineNo">255</span> }<a name="line.255"></a> |
| <span class="sourceLineNo">256</span><a name="line.256"></a> |
| <span class="sourceLineNo">257</span><a name="line.257"></a> |
| <span class="sourceLineNo">258</span> /**<a name="line.258"></a> |
| <span class="sourceLineNo">259</span> * Create a KeyValue for the specified row, family and qualifier that would be<a name="line.259"></a> |
| <span class="sourceLineNo">260</span> * larger than or equal to all other possible KeyValues that have the same<a name="line.260"></a> |
| <span class="sourceLineNo">261</span> * row, family, qualifier. Used for reseeking. Should NEVER be returned to a client.<a name="line.261"></a> |
| <span class="sourceLineNo">262</span> *<a name="line.262"></a> |
| <span class="sourceLineNo">263</span> * @param row<a name="line.263"></a> |
| <span class="sourceLineNo">264</span> * row key<a name="line.264"></a> |
| <span class="sourceLineNo">265</span> * @param roffset<a name="line.265"></a> |
| <span class="sourceLineNo">266</span> * row offset<a name="line.266"></a> |
| <span class="sourceLineNo">267</span> * @param rlength<a name="line.267"></a> |
| <span class="sourceLineNo">268</span> * row length<a name="line.268"></a> |
| <span class="sourceLineNo">269</span> * @param family<a name="line.269"></a> |
| <span class="sourceLineNo">270</span> * family name<a name="line.270"></a> |
| <span class="sourceLineNo">271</span> * @param foffset<a name="line.271"></a> |
| <span class="sourceLineNo">272</span> * family offset<a name="line.272"></a> |
| <span class="sourceLineNo">273</span> * @param flength<a name="line.273"></a> |
| <span class="sourceLineNo">274</span> * family length<a name="line.274"></a> |
| <span class="sourceLineNo">275</span> * @param qualifier<a name="line.275"></a> |
| <span class="sourceLineNo">276</span> * column qualifier<a name="line.276"></a> |
| <span class="sourceLineNo">277</span> * @param qoffset<a name="line.277"></a> |
| <span class="sourceLineNo">278</span> * qualifier offset<a name="line.278"></a> |
| <span class="sourceLineNo">279</span> * @param qlength<a name="line.279"></a> |
| <span class="sourceLineNo">280</span> * qualifier length<a name="line.280"></a> |
| <span class="sourceLineNo">281</span> * @return Last possible key on passed row, family, qualifier.<a name="line.281"></a> |
| <span class="sourceLineNo">282</span> */<a name="line.282"></a> |
| <span class="sourceLineNo">283</span> public static KeyValue createLastOnRow(final byte[] row, final int roffset, final int rlength,<a name="line.283"></a> |
| <span class="sourceLineNo">284</span> final byte[] family, final int foffset, final int flength, final byte[] qualifier,<a name="line.284"></a> |
| <span class="sourceLineNo">285</span> final int qoffset, final int qlength) {<a name="line.285"></a> |
| <span class="sourceLineNo">286</span> return new KeyValue(row, roffset, rlength, family, foffset, flength, qualifier, qoffset,<a name="line.286"></a> |
| <span class="sourceLineNo">287</span> qlength, HConstants.OLDEST_TIMESTAMP, Type.Minimum, null, 0, 0);<a name="line.287"></a> |
| <span class="sourceLineNo">288</span> }<a name="line.288"></a> |
| <span class="sourceLineNo">289</span><a name="line.289"></a> |
| <span class="sourceLineNo">290</span> /**<a name="line.290"></a> |
| <span class="sourceLineNo">291</span> * Create a KeyValue that is smaller than all other possible KeyValues<a name="line.291"></a> |
| <span class="sourceLineNo">292</span> * for the given row. That is any (valid) KeyValue on 'row' would sort<a name="line.292"></a> |
| <span class="sourceLineNo">293</span> * _after_ the result.<a name="line.293"></a> |
| <span class="sourceLineNo">294</span> *<a name="line.294"></a> |
| <span class="sourceLineNo">295</span> * @param row - row key (arbitrary byte array)<a name="line.295"></a> |
| <span class="sourceLineNo">296</span> * @return First possible KeyValue on passed <code>row</code><a name="line.296"></a> |
| <span class="sourceLineNo">297</span> */<a name="line.297"></a> |
| <span class="sourceLineNo">298</span> public static KeyValue createFirstOnRow(final byte [] row, int roffset, short rlength) {<a name="line.298"></a> |
| <span class="sourceLineNo">299</span> return new KeyValue(row, roffset, rlength,<a name="line.299"></a> |
| <span class="sourceLineNo">300</span> null, 0, 0, null, 0, 0, HConstants.LATEST_TIMESTAMP, Type.Maximum, null, 0, 0);<a name="line.300"></a> |
| <span class="sourceLineNo">301</span> }<a name="line.301"></a> |
| <span class="sourceLineNo">302</span><a name="line.302"></a> |
| <span class="sourceLineNo">303</span> /**<a name="line.303"></a> |
| <span class="sourceLineNo">304</span> * Creates a KeyValue that is last on the specified row id. That is,<a name="line.304"></a> |
| <span class="sourceLineNo">305</span> * every other possible KeyValue for the given row would compareTo()<a name="line.305"></a> |
| <span class="sourceLineNo">306</span> * less than the result of this call.<a name="line.306"></a> |
| <span class="sourceLineNo">307</span> * @param row row key<a name="line.307"></a> |
| <span class="sourceLineNo">308</span> * @return Last possible KeyValue on passed <code>row</code><a name="line.308"></a> |
| <span class="sourceLineNo">309</span> */<a name="line.309"></a> |
| <span class="sourceLineNo">310</span> public static KeyValue createLastOnRow(final byte[] row) {<a name="line.310"></a> |
| <span class="sourceLineNo">311</span> return new KeyValue(row, null, null, HConstants.LATEST_TIMESTAMP, Type.Minimum);<a name="line.311"></a> |
| <span class="sourceLineNo">312</span> }<a name="line.312"></a> |
| <span class="sourceLineNo">313</span><a name="line.313"></a> |
| <span class="sourceLineNo">314</span> /**<a name="line.314"></a> |
| <span class="sourceLineNo">315</span> * Create a KeyValue that is smaller than all other possible KeyValues<a name="line.315"></a> |
| <span class="sourceLineNo">316</span> * for the given row. That is any (valid) KeyValue on 'row' would sort<a name="line.316"></a> |
| <span class="sourceLineNo">317</span> * _after_ the result.<a name="line.317"></a> |
| <span class="sourceLineNo">318</span> *<a name="line.318"></a> |
| <span class="sourceLineNo">319</span> * @param row - row key (arbitrary byte array)<a name="line.319"></a> |
| <span class="sourceLineNo">320</span> * @return First possible KeyValue on passed <code>row</code><a name="line.320"></a> |
| <span class="sourceLineNo">321</span> */<a name="line.321"></a> |
| <span class="sourceLineNo">322</span> public static KeyValue createFirstOnRow(final byte [] row) {<a name="line.322"></a> |
| <span class="sourceLineNo">323</span> return createFirstOnRow(row, HConstants.LATEST_TIMESTAMP);<a name="line.323"></a> |
| <span class="sourceLineNo">324</span> }<a name="line.324"></a> |
| <span class="sourceLineNo">325</span><a name="line.325"></a> |
| <span class="sourceLineNo">326</span> /**<a name="line.326"></a> |
| <span class="sourceLineNo">327</span> * Creates a KeyValue that is smaller than all other KeyValues that<a name="line.327"></a> |
| <span class="sourceLineNo">328</span> * are older than the passed timestamp.<a name="line.328"></a> |
| <span class="sourceLineNo">329</span> * @param row - row key (arbitrary byte array)<a name="line.329"></a> |
| <span class="sourceLineNo">330</span> * @param ts - timestamp<a name="line.330"></a> |
| <span class="sourceLineNo">331</span> * @return First possible key on passed <code>row</code> and timestamp.<a name="line.331"></a> |
| <span class="sourceLineNo">332</span> */<a name="line.332"></a> |
| <span class="sourceLineNo">333</span> public static KeyValue createFirstOnRow(final byte [] row,<a name="line.333"></a> |
| <span class="sourceLineNo">334</span> final long ts) {<a name="line.334"></a> |
| <span class="sourceLineNo">335</span> return new KeyValue(row, null, null, ts, Type.Maximum);<a name="line.335"></a> |
| <span class="sourceLineNo">336</span> }<a name="line.336"></a> |
| <span class="sourceLineNo">337</span><a name="line.337"></a> |
| <span class="sourceLineNo">338</span> /**<a name="line.338"></a> |
| <span class="sourceLineNo">339</span> * Create a KeyValue for the specified row, family and qualifier that would be<a name="line.339"></a> |
| <span class="sourceLineNo">340</span> * smaller than all other possible KeyValues that have the same row,family,qualifier.<a name="line.340"></a> |
| <span class="sourceLineNo">341</span> * Used for seeking.<a name="line.341"></a> |
| <span class="sourceLineNo">342</span> * @param row - row key (arbitrary byte array)<a name="line.342"></a> |
| <span class="sourceLineNo">343</span> * @param family - family name<a name="line.343"></a> |
| <span class="sourceLineNo">344</span> * @param qualifier - column qualifier<a name="line.344"></a> |
| <span class="sourceLineNo">345</span> * @return First possible key on passed <code>row</code>, and column.<a name="line.345"></a> |
| <span class="sourceLineNo">346</span> */<a name="line.346"></a> |
| <span class="sourceLineNo">347</span> public static KeyValue createFirstOnRow(final byte [] row, final byte [] family,<a name="line.347"></a> |
| <span class="sourceLineNo">348</span> final byte [] qualifier) {<a name="line.348"></a> |
| <span class="sourceLineNo">349</span> return new KeyValue(row, family, qualifier, HConstants.LATEST_TIMESTAMP, Type.Maximum);<a name="line.349"></a> |
| <span class="sourceLineNo">350</span> }<a name="line.350"></a> |
| <span class="sourceLineNo">351</span><a name="line.351"></a> |
| <span class="sourceLineNo">352</span> /**<a name="line.352"></a> |
| <span class="sourceLineNo">353</span> * @param row - row key (arbitrary byte array)<a name="line.353"></a> |
| <span class="sourceLineNo">354</span> * @param f - family name<a name="line.354"></a> |
| <span class="sourceLineNo">355</span> * @param q - column qualifier<a name="line.355"></a> |
| <span class="sourceLineNo">356</span> * @param ts - timestamp<a name="line.356"></a> |
| <span class="sourceLineNo">357</span> * @return First possible key on passed <code>row</code>, column and timestamp<a name="line.357"></a> |
| <span class="sourceLineNo">358</span> */<a name="line.358"></a> |
| <span class="sourceLineNo">359</span> public static KeyValue createFirstOnRow(final byte [] row, final byte [] f,<a name="line.359"></a> |
| <span class="sourceLineNo">360</span> final byte [] q, final long ts) {<a name="line.360"></a> |
| <span class="sourceLineNo">361</span> return new KeyValue(row, f, q, ts, Type.Maximum);<a name="line.361"></a> |
| <span class="sourceLineNo">362</span> }<a name="line.362"></a> |
| <span class="sourceLineNo">363</span><a name="line.363"></a> |
| <span class="sourceLineNo">364</span> /**<a name="line.364"></a> |
| <span class="sourceLineNo">365</span> * Create a KeyValue for the specified row, family and qualifier that would be<a name="line.365"></a> |
| <span class="sourceLineNo">366</span> * smaller than all other possible KeyValues that have the same row,<a name="line.366"></a> |
| <span class="sourceLineNo">367</span> * family, qualifier.<a name="line.367"></a> |
| <span class="sourceLineNo">368</span> * Used for seeking.<a name="line.368"></a> |
| <span class="sourceLineNo">369</span> * @param row row key<a name="line.369"></a> |
| <span class="sourceLineNo">370</span> * @param roffset row offset<a name="line.370"></a> |
| <span class="sourceLineNo">371</span> * @param rlength row length<a name="line.371"></a> |
| <span class="sourceLineNo">372</span> * @param family family name<a name="line.372"></a> |
| <span class="sourceLineNo">373</span> * @param foffset family offset<a name="line.373"></a> |
| <span class="sourceLineNo">374</span> * @param flength family length<a name="line.374"></a> |
| <span class="sourceLineNo">375</span> * @param qualifier column qualifier<a name="line.375"></a> |
| <span class="sourceLineNo">376</span> * @param qoffset qualifier offset<a name="line.376"></a> |
| <span class="sourceLineNo">377</span> * @param qlength qualifier length<a name="line.377"></a> |
| <span class="sourceLineNo">378</span> * @return First possible key on passed Row, Family, Qualifier.<a name="line.378"></a> |
| <span class="sourceLineNo">379</span> */<a name="line.379"></a> |
| <span class="sourceLineNo">380</span> public static KeyValue createFirstOnRow(final byte [] row,<a name="line.380"></a> |
| <span class="sourceLineNo">381</span> final int roffset, final int rlength, final byte [] family,<a name="line.381"></a> |
| <span class="sourceLineNo">382</span> final int foffset, final int flength, final byte [] qualifier,<a name="line.382"></a> |
| <span class="sourceLineNo">383</span> final int qoffset, final int qlength) {<a name="line.383"></a> |
| <span class="sourceLineNo">384</span> return new KeyValue(row, roffset, rlength, family,<a name="line.384"></a> |
| <span class="sourceLineNo">385</span> foffset, flength, qualifier, qoffset, qlength,<a name="line.385"></a> |
| <span class="sourceLineNo">386</span> HConstants.LATEST_TIMESTAMP, Type.Maximum, null, 0, 0);<a name="line.386"></a> |
| <span class="sourceLineNo">387</span> }<a name="line.387"></a> |
| <span class="sourceLineNo">388</span><a name="line.388"></a> |
| <span class="sourceLineNo">389</span> /**<a name="line.389"></a> |
| <span class="sourceLineNo">390</span> * Create a KeyValue for the specified row, family and qualifier that would be<a name="line.390"></a> |
| <span class="sourceLineNo">391</span> * smaller than all other possible KeyValues that have the same row,<a name="line.391"></a> |
| <span class="sourceLineNo">392</span> * family, qualifier.<a name="line.392"></a> |
| <span class="sourceLineNo">393</span> * Used for seeking.<a name="line.393"></a> |
| <span class="sourceLineNo">394</span> *<a name="line.394"></a> |
| <span class="sourceLineNo">395</span> * @param buffer the buffer to use for the new <code>KeyValue</code> object<a name="line.395"></a> |
| <span class="sourceLineNo">396</span> * @param row the value key<a name="line.396"></a> |
| <span class="sourceLineNo">397</span> * @param family family name<a name="line.397"></a> |
| <span class="sourceLineNo">398</span> * @param qualifier column qualifier<a name="line.398"></a> |
| <span class="sourceLineNo">399</span> *<a name="line.399"></a> |
| <span class="sourceLineNo">400</span> * @return First possible key on passed Row, Family, Qualifier.<a name="line.400"></a> |
| <span class="sourceLineNo">401</span> *<a name="line.401"></a> |
| <span class="sourceLineNo">402</span> * @throws IllegalArgumentException The resulting <code>KeyValue</code> object would be larger<a name="line.402"></a> |
| <span class="sourceLineNo">403</span> * than the provided buffer or than <code>Integer.MAX_VALUE</code><a name="line.403"></a> |
| <span class="sourceLineNo">404</span> */<a name="line.404"></a> |
| <span class="sourceLineNo">405</span> public static KeyValue createFirstOnRow(byte [] buffer, final byte [] row,<a name="line.405"></a> |
| <span class="sourceLineNo">406</span> final byte [] family, final byte [] qualifier)<a name="line.406"></a> |
| <span class="sourceLineNo">407</span> throws IllegalArgumentException {<a name="line.407"></a> |
| <span class="sourceLineNo">408</span> return createFirstOnRow(buffer, 0, row, 0, row.length,<a name="line.408"></a> |
| <span class="sourceLineNo">409</span> family, 0, family.length,<a name="line.409"></a> |
| <span class="sourceLineNo">410</span> qualifier, 0, qualifier.length);<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> /**<a name="line.413"></a> |
| <span class="sourceLineNo">414</span> * Create a KeyValue for the specified row, family and qualifier that would be<a name="line.414"></a> |
| <span class="sourceLineNo">415</span> * smaller than all other possible KeyValues that have the same row,<a name="line.415"></a> |
| <span class="sourceLineNo">416</span> * family, qualifier.<a name="line.416"></a> |
| <span class="sourceLineNo">417</span> * Used for seeking.<a name="line.417"></a> |
| <span class="sourceLineNo">418</span> *<a name="line.418"></a> |
| <span class="sourceLineNo">419</span> * @param buffer the buffer to use for the new <code>KeyValue</code> object<a name="line.419"></a> |
| <span class="sourceLineNo">420</span> * @param boffset buffer offset<a name="line.420"></a> |
| <span class="sourceLineNo">421</span> * @param row the value key<a name="line.421"></a> |
| <span class="sourceLineNo">422</span> * @param roffset row offset<a name="line.422"></a> |
| <span class="sourceLineNo">423</span> * @param rlength row length<a name="line.423"></a> |
| <span class="sourceLineNo">424</span> * @param family family name<a name="line.424"></a> |
| <span class="sourceLineNo">425</span> * @param foffset family offset<a name="line.425"></a> |
| <span class="sourceLineNo">426</span> * @param flength family length<a name="line.426"></a> |
| <span class="sourceLineNo">427</span> * @param qualifier column qualifier<a name="line.427"></a> |
| <span class="sourceLineNo">428</span> * @param qoffset qualifier offset<a name="line.428"></a> |
| <span class="sourceLineNo">429</span> * @param qlength qualifier length<a name="line.429"></a> |
| <span class="sourceLineNo">430</span> *<a name="line.430"></a> |
| <span class="sourceLineNo">431</span> * @return First possible key on passed Row, Family, Qualifier.<a name="line.431"></a> |
| <span class="sourceLineNo">432</span> *<a name="line.432"></a> |
| <span class="sourceLineNo">433</span> * @throws IllegalArgumentException The resulting <code>KeyValue</code> object would be larger<a name="line.433"></a> |
| <span class="sourceLineNo">434</span> * than the provided buffer or than <code>Integer.MAX_VALUE</code><a name="line.434"></a> |
| <span class="sourceLineNo">435</span> */<a name="line.435"></a> |
| <span class="sourceLineNo">436</span> public static KeyValue createFirstOnRow(byte[] buffer, final int boffset, final byte[] row,<a name="line.436"></a> |
| <span class="sourceLineNo">437</span> final int roffset, final int rlength, final byte[] family, final int foffset,<a name="line.437"></a> |
| <span class="sourceLineNo">438</span> final int flength, final byte[] qualifier, final int qoffset, final int qlength)<a name="line.438"></a> |
| <span class="sourceLineNo">439</span> throws IllegalArgumentException {<a name="line.439"></a> |
| <span class="sourceLineNo">440</span><a name="line.440"></a> |
| <span class="sourceLineNo">441</span> long lLength = KeyValue.getKeyValueDataStructureSize(rlength, flength, qlength, 0);<a name="line.441"></a> |
| <span class="sourceLineNo">442</span><a name="line.442"></a> |
| <span class="sourceLineNo">443</span> if (lLength > Integer.MAX_VALUE) {<a name="line.443"></a> |
| <span class="sourceLineNo">444</span> throw new IllegalArgumentException("KeyValue length " + lLength + " > " + Integer.MAX_VALUE);<a name="line.444"></a> |
| <span class="sourceLineNo">445</span> }<a name="line.445"></a> |
| <span class="sourceLineNo">446</span> int iLength = (int) lLength;<a name="line.446"></a> |
| <span class="sourceLineNo">447</span> if (buffer.length - boffset < iLength) {<a name="line.447"></a> |
| <span class="sourceLineNo">448</span> throw new IllegalArgumentException("Buffer size " + (buffer.length - boffset) + " < "<a name="line.448"></a> |
| <span class="sourceLineNo">449</span> + iLength);<a name="line.449"></a> |
| <span class="sourceLineNo">450</span> }<a name="line.450"></a> |
| <span class="sourceLineNo">451</span><a name="line.451"></a> |
| <span class="sourceLineNo">452</span> int len = KeyValue.writeByteArray(buffer, boffset, row, roffset, rlength, family, foffset,<a name="line.452"></a> |
| <span class="sourceLineNo">453</span> flength, qualifier, qoffset, qlength, HConstants.LATEST_TIMESTAMP, KeyValue.Type.Maximum,<a name="line.453"></a> |
| <span class="sourceLineNo">454</span> null, 0, 0, null);<a name="line.454"></a> |
| <span class="sourceLineNo">455</span> return new KeyValue(buffer, boffset, len);<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> /*************** misc **********************************/<a name="line.458"></a> |
| <span class="sourceLineNo">459</span> /**<a name="line.459"></a> |
| <span class="sourceLineNo">460</span> * @param cell<a name="line.460"></a> |
| <span class="sourceLineNo">461</span> * @return <code>cell</code> if it is an object of class {@link KeyValue} else we will return a<a name="line.461"></a> |
| <span class="sourceLineNo">462</span> * new {@link KeyValue} instance made from <code>cell</code> Note: Even if the cell is an<a name="line.462"></a> |
| <span class="sourceLineNo">463</span> * object of any of the subclass of {@link KeyValue}, we will create a new<a name="line.463"></a> |
| <span class="sourceLineNo">464</span> * {@link KeyValue} object wrapping same buffer. This API is used only with MR based tools<a name="line.464"></a> |
| <span class="sourceLineNo">465</span> * which expect the type to be exactly KeyValue. That is the reason for doing this way.<a name="line.465"></a> |
| <span class="sourceLineNo">466</span> * @deprecated without any replacement.<a name="line.466"></a> |
| <span class="sourceLineNo">467</span> */<a name="line.467"></a> |
| <span class="sourceLineNo">468</span> @Deprecated<a name="line.468"></a> |
| <span class="sourceLineNo">469</span> public static KeyValue ensureKeyValue(final Cell cell) {<a name="line.469"></a> |
| <span class="sourceLineNo">470</span> if (cell == null) return null;<a name="line.470"></a> |
| <span class="sourceLineNo">471</span> if (cell instanceof KeyValue) {<a name="line.471"></a> |
| <span class="sourceLineNo">472</span> if (cell.getClass().getName().equals(KeyValue.class.getName())) {<a name="line.472"></a> |
| <span class="sourceLineNo">473</span> return (KeyValue) cell;<a name="line.473"></a> |
| <span class="sourceLineNo">474</span> }<a name="line.474"></a> |
| <span class="sourceLineNo">475</span> // Cell is an Object of any of the sub classes of KeyValue. Make a new KeyValue wrapping the<a name="line.475"></a> |
| <span class="sourceLineNo">476</span> // same byte[]<a name="line.476"></a> |
| <span class="sourceLineNo">477</span> KeyValue kv = (KeyValue) cell;<a name="line.477"></a> |
| <span class="sourceLineNo">478</span> KeyValue newKv = new KeyValue(kv.bytes, kv.offset, kv.length);<a name="line.478"></a> |
| <span class="sourceLineNo">479</span> newKv.setSequenceId(kv.getSequenceId());<a name="line.479"></a> |
| <span class="sourceLineNo">480</span> return newKv;<a name="line.480"></a> |
| <span class="sourceLineNo">481</span> }<a name="line.481"></a> |
| <span class="sourceLineNo">482</span> return copyToNewKeyValue(cell);<a name="line.482"></a> |
| <span class="sourceLineNo">483</span> }<a name="line.483"></a> |
| <span class="sourceLineNo">484</span><a name="line.484"></a> |
| <span class="sourceLineNo">485</span> @Deprecated<a name="line.485"></a> |
| <span class="sourceLineNo">486</span> public static List<KeyValue> ensureKeyValues(List<Cell> cells) {<a name="line.486"></a> |
| <span class="sourceLineNo">487</span> List<KeyValue> lazyList = Lists.transform(cells, new Function<Cell, KeyValue>() {<a name="line.487"></a> |
| <span class="sourceLineNo">488</span> @Override<a name="line.488"></a> |
| <span class="sourceLineNo">489</span> public KeyValue apply(Cell arg0) {<a name="line.489"></a> |
| <span class="sourceLineNo">490</span> return KeyValueUtil.ensureKeyValue(arg0);<a name="line.490"></a> |
| <span class="sourceLineNo">491</span> }<a name="line.491"></a> |
| <span class="sourceLineNo">492</span> });<a name="line.492"></a> |
| <span class="sourceLineNo">493</span> return new ArrayList<>(lazyList);<a name="line.493"></a> |
| <span class="sourceLineNo">494</span> }<a name="line.494"></a> |
| <span class="sourceLineNo">495</span> /**<a name="line.495"></a> |
| <span class="sourceLineNo">496</span> * Write out a KeyValue in the manner in which we used to when KeyValue was a<a name="line.496"></a> |
| <span class="sourceLineNo">497</span> * Writable.<a name="line.497"></a> |
| <span class="sourceLineNo">498</span> *<a name="line.498"></a> |
| <span class="sourceLineNo">499</span> * @param kv<a name="line.499"></a> |
| <span class="sourceLineNo">500</span> * @param out<a name="line.500"></a> |
| <span class="sourceLineNo">501</span> * @return Length written on stream<a name="line.501"></a> |
| <span class="sourceLineNo">502</span> * @throws IOException<a name="line.502"></a> |
| <span class="sourceLineNo">503</span> * @see #create(DataInput) for the inverse function<a name="line.503"></a> |
| <span class="sourceLineNo">504</span> */<a name="line.504"></a> |
| <span class="sourceLineNo">505</span> public static long write(final KeyValue kv, final DataOutput out) throws IOException {<a name="line.505"></a> |
| <span class="sourceLineNo">506</span> // This is how the old Writables write used to serialize KVs. Need to figure<a name="line.506"></a> |
| <span class="sourceLineNo">507</span> // way to make it<a name="line.507"></a> |
| <span class="sourceLineNo">508</span> // work for all implementations.<a name="line.508"></a> |
| <span class="sourceLineNo">509</span> int length = kv.getLength();<a name="line.509"></a> |
| <span class="sourceLineNo">510</span> out.writeInt(length);<a name="line.510"></a> |
| <span class="sourceLineNo">511</span> out.write(kv.getBuffer(), kv.getOffset(), length);<a name="line.511"></a> |
| <span class="sourceLineNo">512</span> return (long) length + Bytes.SIZEOF_INT;<a name="line.512"></a> |
| <span class="sourceLineNo">513</span> }<a name="line.513"></a> |
| <span class="sourceLineNo">514</span><a name="line.514"></a> |
| <span class="sourceLineNo">515</span> static String bytesToHex(byte[] buf, int offset, int length) {<a name="line.515"></a> |
| <span class="sourceLineNo">516</span> String bufferContents = buf != null ? Bytes.toStringBinary(buf, offset, length) : "<null>";<a name="line.516"></a> |
| <span class="sourceLineNo">517</span> return ", KeyValueBytesHex=" + bufferContents + ", offset=" + offset + ", length=" + length;<a name="line.517"></a> |
| <span class="sourceLineNo">518</span> }<a name="line.518"></a> |
| <span class="sourceLineNo">519</span><a name="line.519"></a> |
| <span class="sourceLineNo">520</span> static void checkKeyValueBytes(byte[] buf, int offset, int length, boolean withTags) {<a name="line.520"></a> |
| <span class="sourceLineNo">521</span> if (buf == null) {<a name="line.521"></a> |
| <span class="sourceLineNo">522</span> String msg = "Invalid to have null byte array in KeyValue.";<a name="line.522"></a> |
| <span class="sourceLineNo">523</span> LOG.warn(msg);<a name="line.523"></a> |
| <span class="sourceLineNo">524</span> throw new IllegalArgumentException(msg);<a name="line.524"></a> |
| <span class="sourceLineNo">525</span> }<a name="line.525"></a> |
| <span class="sourceLineNo">526</span><a name="line.526"></a> |
| <span class="sourceLineNo">527</span> int pos = offset, endOffset = offset + length;<a name="line.527"></a> |
| <span class="sourceLineNo">528</span> // check the key<a name="line.528"></a> |
| <span class="sourceLineNo">529</span> if (pos + Bytes.SIZEOF_INT > endOffset) {<a name="line.529"></a> |
| <span class="sourceLineNo">530</span> String msg =<a name="line.530"></a> |
| <span class="sourceLineNo">531</span> "Overflow when reading key length at position=" + pos + bytesToHex(buf, offset, length);<a name="line.531"></a> |
| <span class="sourceLineNo">532</span> LOG.warn(msg);<a name="line.532"></a> |
| <span class="sourceLineNo">533</span> throw new IllegalArgumentException(msg);<a name="line.533"></a> |
| <span class="sourceLineNo">534</span> }<a name="line.534"></a> |
| <span class="sourceLineNo">535</span> int keyLen = Bytes.toInt(buf, pos, Bytes.SIZEOF_INT);<a name="line.535"></a> |
| <span class="sourceLineNo">536</span> pos += Bytes.SIZEOF_INT;<a name="line.536"></a> |
| <span class="sourceLineNo">537</span> if (keyLen <= 0 || pos + keyLen > endOffset) {<a name="line.537"></a> |
| <span class="sourceLineNo">538</span> String msg =<a name="line.538"></a> |
| <span class="sourceLineNo">539</span> "Invalid key length in KeyValue. keyLength=" + keyLen + bytesToHex(buf, offset, length);<a name="line.539"></a> |
| <span class="sourceLineNo">540</span> LOG.warn(msg);<a name="line.540"></a> |
| <span class="sourceLineNo">541</span> throw new IllegalArgumentException(msg);<a name="line.541"></a> |
| <span class="sourceLineNo">542</span> }<a name="line.542"></a> |
| <span class="sourceLineNo">543</span> // check the value<a name="line.543"></a> |
| <span class="sourceLineNo">544</span> if (pos + Bytes.SIZEOF_INT > endOffset) {<a name="line.544"></a> |
| <span class="sourceLineNo">545</span> String msg =<a name="line.545"></a> |
| <span class="sourceLineNo">546</span> "Overflow when reading value length at position=" + pos + bytesToHex(buf, offset, length);<a name="line.546"></a> |
| <span class="sourceLineNo">547</span> LOG.warn(msg);<a name="line.547"></a> |
| <span class="sourceLineNo">548</span> throw new IllegalArgumentException(msg);<a name="line.548"></a> |
| <span class="sourceLineNo">549</span> }<a name="line.549"></a> |
| <span class="sourceLineNo">550</span> int valLen = Bytes.toInt(buf, pos, Bytes.SIZEOF_INT);<a name="line.550"></a> |
| <span class="sourceLineNo">551</span> pos += Bytes.SIZEOF_INT;<a name="line.551"></a> |
| <span class="sourceLineNo">552</span> if (valLen < 0 || pos + valLen > endOffset) {<a name="line.552"></a> |
| <span class="sourceLineNo">553</span> String msg = "Invalid value length in KeyValue, valueLength=" + valLen +<a name="line.553"></a> |
| <span class="sourceLineNo">554</span> bytesToHex(buf, offset, length);<a name="line.554"></a> |
| <span class="sourceLineNo">555</span> LOG.warn(msg);<a name="line.555"></a> |
| <span class="sourceLineNo">556</span> throw new IllegalArgumentException(msg);<a name="line.556"></a> |
| <span class="sourceLineNo">557</span> }<a name="line.557"></a> |
| <span class="sourceLineNo">558</span> // check the row<a name="line.558"></a> |
| <span class="sourceLineNo">559</span> if (pos + Bytes.SIZEOF_SHORT > endOffset) {<a name="line.559"></a> |
| <span class="sourceLineNo">560</span> String msg =<a name="line.560"></a> |
| <span class="sourceLineNo">561</span> "Overflow when reading row length at position=" + pos + bytesToHex(buf, offset, length);<a name="line.561"></a> |
| <span class="sourceLineNo">562</span> LOG.warn(msg);<a name="line.562"></a> |
| <span class="sourceLineNo">563</span> throw new IllegalArgumentException(msg);<a name="line.563"></a> |
| <span class="sourceLineNo">564</span> }<a name="line.564"></a> |
| <span class="sourceLineNo">565</span> short rowLen = Bytes.toShort(buf, pos, Bytes.SIZEOF_SHORT);<a name="line.565"></a> |
| <span class="sourceLineNo">566</span> pos += Bytes.SIZEOF_SHORT;<a name="line.566"></a> |
| <span class="sourceLineNo">567</span> if (rowLen < 0 || pos + rowLen > endOffset) {<a name="line.567"></a> |
| <span class="sourceLineNo">568</span> String msg =<a name="line.568"></a> |
| <span class="sourceLineNo">569</span> "Invalid row length in KeyValue, rowLength=" + rowLen + bytesToHex(buf, offset, length);<a name="line.569"></a> |
| <span class="sourceLineNo">570</span> LOG.warn(msg);<a name="line.570"></a> |
| <span class="sourceLineNo">571</span> throw new IllegalArgumentException(msg);<a name="line.571"></a> |
| <span class="sourceLineNo">572</span> }<a name="line.572"></a> |
| <span class="sourceLineNo">573</span> pos += rowLen;<a name="line.573"></a> |
| <span class="sourceLineNo">574</span> // check the family<a name="line.574"></a> |
| <span class="sourceLineNo">575</span> if (pos + Bytes.SIZEOF_BYTE > endOffset) {<a name="line.575"></a> |
| <span class="sourceLineNo">576</span> String msg = "Overflow when reading family length at position=" + pos +<a name="line.576"></a> |
| <span class="sourceLineNo">577</span> bytesToHex(buf, offset, length);<a name="line.577"></a> |
| <span class="sourceLineNo">578</span> LOG.warn(msg);<a name="line.578"></a> |
| <span class="sourceLineNo">579</span> throw new IllegalArgumentException(msg);<a name="line.579"></a> |
| <span class="sourceLineNo">580</span> }<a name="line.580"></a> |
| <span class="sourceLineNo">581</span> int familyLen = buf[pos];<a name="line.581"></a> |
| <span class="sourceLineNo">582</span> pos += Bytes.SIZEOF_BYTE;<a name="line.582"></a> |
| <span class="sourceLineNo">583</span> if (familyLen < 0 || pos + familyLen > endOffset) {<a name="line.583"></a> |
| <span class="sourceLineNo">584</span> String msg = "Invalid family length in KeyValue, familyLength=" + familyLen +<a name="line.584"></a> |
| <span class="sourceLineNo">585</span> bytesToHex(buf, offset, length);<a name="line.585"></a> |
| <span class="sourceLineNo">586</span> LOG.warn(msg);<a name="line.586"></a> |
| <span class="sourceLineNo">587</span> throw new IllegalArgumentException(msg);<a name="line.587"></a> |
| <span class="sourceLineNo">588</span> }<a name="line.588"></a> |
| <span class="sourceLineNo">589</span> pos += familyLen;<a name="line.589"></a> |
| <span class="sourceLineNo">590</span> // check the qualifier<a name="line.590"></a> |
| <span class="sourceLineNo">591</span> int qualifierLen = keyLen - Bytes.SIZEOF_SHORT - rowLen - Bytes.SIZEOF_BYTE - familyLen<a name="line.591"></a> |
| <span class="sourceLineNo">592</span> - Bytes.SIZEOF_LONG - Bytes.SIZEOF_BYTE;<a name="line.592"></a> |
| <span class="sourceLineNo">593</span> if (qualifierLen < 0 || pos + qualifierLen > endOffset) {<a name="line.593"></a> |
| <span class="sourceLineNo">594</span> String msg = "Invalid qualifier length in KeyValue, qualifierLen=" + qualifierLen +<a name="line.594"></a> |
| <span class="sourceLineNo">595</span> bytesToHex(buf, offset, length);<a name="line.595"></a> |
| <span class="sourceLineNo">596</span> LOG.warn(msg);<a name="line.596"></a> |
| <span class="sourceLineNo">597</span> throw new IllegalArgumentException(msg);<a name="line.597"></a> |
| <span class="sourceLineNo">598</span> }<a name="line.598"></a> |
| <span class="sourceLineNo">599</span> pos += qualifierLen;<a name="line.599"></a> |
| <span class="sourceLineNo">600</span> // check the timestamp<a name="line.600"></a> |
| <span class="sourceLineNo">601</span> if (pos + Bytes.SIZEOF_LONG > endOffset) {<a name="line.601"></a> |
| <span class="sourceLineNo">602</span> String msg =<a name="line.602"></a> |
| <span class="sourceLineNo">603</span> "Overflow when reading timestamp at position=" + pos + bytesToHex(buf, offset, length);<a name="line.603"></a> |
| <span class="sourceLineNo">604</span> LOG.warn(msg);<a name="line.604"></a> |
| <span class="sourceLineNo">605</span> throw new IllegalArgumentException(msg);<a name="line.605"></a> |
| <span class="sourceLineNo">606</span> }<a name="line.606"></a> |
| <span class="sourceLineNo">607</span> long timestamp = Bytes.toLong(buf, pos, Bytes.SIZEOF_LONG);<a name="line.607"></a> |
| <span class="sourceLineNo">608</span> if (timestamp < 0) {<a name="line.608"></a> |
| <span class="sourceLineNo">609</span> String msg =<a name="line.609"></a> |
| <span class="sourceLineNo">610</span> "Timestamp cannot be negative, ts=" + timestamp + bytesToHex(buf, offset, length);<a name="line.610"></a> |
| <span class="sourceLineNo">611</span> LOG.warn(msg);<a name="line.611"></a> |
| <span class="sourceLineNo">612</span> throw new IllegalArgumentException(msg);<a name="line.612"></a> |
| <span class="sourceLineNo">613</span> }<a name="line.613"></a> |
| <span class="sourceLineNo">614</span> pos += Bytes.SIZEOF_LONG;<a name="line.614"></a> |
| <span class="sourceLineNo">615</span> // check the type<a name="line.615"></a> |
| <span class="sourceLineNo">616</span> if (pos + Bytes.SIZEOF_BYTE > endOffset) {<a name="line.616"></a> |
| <span class="sourceLineNo">617</span> String msg =<a name="line.617"></a> |
| <span class="sourceLineNo">618</span> "Overflow when reading type at position=" + pos + bytesToHex(buf, offset, length);<a name="line.618"></a> |
| <span class="sourceLineNo">619</span> LOG.warn(msg);<a name="line.619"></a> |
| <span class="sourceLineNo">620</span> throw new IllegalArgumentException(msg);<a name="line.620"></a> |
| <span class="sourceLineNo">621</span> }<a name="line.621"></a> |
| <span class="sourceLineNo">622</span> byte type = buf[pos];<a name="line.622"></a> |
| <span class="sourceLineNo">623</span> if (!Type.isValidType(type)) {<a name="line.623"></a> |
| <span class="sourceLineNo">624</span> String msg = "Invalid type in KeyValue, type=" + type + bytesToHex(buf, offset, length);<a name="line.624"></a> |
| <span class="sourceLineNo">625</span> LOG.warn(msg);<a name="line.625"></a> |
| <span class="sourceLineNo">626</span> throw new IllegalArgumentException(msg);<a name="line.626"></a> |
| <span class="sourceLineNo">627</span> }<a name="line.627"></a> |
| <span class="sourceLineNo">628</span> pos += Bytes.SIZEOF_BYTE;<a name="line.628"></a> |
| <span class="sourceLineNo">629</span> // check the value<a name="line.629"></a> |
| <span class="sourceLineNo">630</span> if (pos + valLen > endOffset) {<a name="line.630"></a> |
| <span class="sourceLineNo">631</span> String msg =<a name="line.631"></a> |
| <span class="sourceLineNo">632</span> "Overflow when reading value part at position=" + pos + bytesToHex(buf, offset, length);<a name="line.632"></a> |
| <span class="sourceLineNo">633</span> LOG.warn(msg);<a name="line.633"></a> |
| <span class="sourceLineNo">634</span> throw new IllegalArgumentException(msg);<a name="line.634"></a> |
| <span class="sourceLineNo">635</span> }<a name="line.635"></a> |
| <span class="sourceLineNo">636</span> pos += valLen;<a name="line.636"></a> |
| <span class="sourceLineNo">637</span> // check the tags<a name="line.637"></a> |
| <span class="sourceLineNo">638</span> if (withTags) {<a name="line.638"></a> |
| <span class="sourceLineNo">639</span> if (pos == endOffset) {<a name="line.639"></a> |
| <span class="sourceLineNo">640</span> // withTags is true but no tag in the cell.<a name="line.640"></a> |
| <span class="sourceLineNo">641</span> return;<a name="line.641"></a> |
| <span class="sourceLineNo">642</span> }<a name="line.642"></a> |
| <span class="sourceLineNo">643</span> pos = checkKeyValueTagBytes(buf, offset, length, pos, endOffset);<a name="line.643"></a> |
| <span class="sourceLineNo">644</span> }<a name="line.644"></a> |
| <span class="sourceLineNo">645</span> if (pos != endOffset) {<a name="line.645"></a> |
| <span class="sourceLineNo">646</span> String msg = "Some redundant bytes in KeyValue's buffer, startOffset=" + pos + ", endOffset="<a name="line.646"></a> |
| <span class="sourceLineNo">647</span> + endOffset + bytesToHex(buf, offset, length);<a name="line.647"></a> |
| <span class="sourceLineNo">648</span> LOG.warn(msg);<a name="line.648"></a> |
| <span class="sourceLineNo">649</span> throw new IllegalArgumentException(msg);<a name="line.649"></a> |
| <span class="sourceLineNo">650</span> }<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> private static int checkKeyValueTagBytes(byte[] buf, int offset, int length, int pos,<a name="line.653"></a> |
| <span class="sourceLineNo">654</span> int endOffset) {<a name="line.654"></a> |
| <span class="sourceLineNo">655</span> if (pos + Bytes.SIZEOF_SHORT > endOffset) {<a name="line.655"></a> |
| <span class="sourceLineNo">656</span> String msg = "Overflow when reading tags length at position=" + pos +<a name="line.656"></a> |
| <span class="sourceLineNo">657</span> bytesToHex(buf, offset, length);<a name="line.657"></a> |
| <span class="sourceLineNo">658</span> LOG.warn(msg);<a name="line.658"></a> |
| <span class="sourceLineNo">659</span> throw new IllegalArgumentException(msg);<a name="line.659"></a> |
| <span class="sourceLineNo">660</span> }<a name="line.660"></a> |
| <span class="sourceLineNo">661</span> short tagsLen = Bytes.toShort(buf, pos);<a name="line.661"></a> |
| <span class="sourceLineNo">662</span> pos += Bytes.SIZEOF_SHORT;<a name="line.662"></a> |
| <span class="sourceLineNo">663</span> if (tagsLen < 0 || pos + tagsLen > endOffset) {<a name="line.663"></a> |
| <span class="sourceLineNo">664</span> String msg = "Invalid tags length in KeyValue at position=" + (pos - Bytes.SIZEOF_SHORT)<a name="line.664"></a> |
| <span class="sourceLineNo">665</span> + bytesToHex(buf, offset, length);<a name="line.665"></a> |
| <span class="sourceLineNo">666</span> LOG.warn(msg);<a name="line.666"></a> |
| <span class="sourceLineNo">667</span> throw new IllegalArgumentException(msg);<a name="line.667"></a> |
| <span class="sourceLineNo">668</span> }<a name="line.668"></a> |
| <span class="sourceLineNo">669</span> int tagsEndOffset = pos + tagsLen;<a name="line.669"></a> |
| <span class="sourceLineNo">670</span> for (; pos < tagsEndOffset;) {<a name="line.670"></a> |
| <span class="sourceLineNo">671</span> if (pos + Tag.TAG_LENGTH_SIZE > endOffset) {<a name="line.671"></a> |
| <span class="sourceLineNo">672</span> String msg = "Overflow when reading tag length at position=" + pos +<a name="line.672"></a> |
| <span class="sourceLineNo">673</span> bytesToHex(buf, offset, length);<a name="line.673"></a> |
| <span class="sourceLineNo">674</span> LOG.warn(msg);<a name="line.674"></a> |
| <span class="sourceLineNo">675</span> throw new IllegalArgumentException(msg);<a name="line.675"></a> |
| <span class="sourceLineNo">676</span> }<a name="line.676"></a> |
| <span class="sourceLineNo">677</span> short tagLen = Bytes.toShort(buf, pos);<a name="line.677"></a> |
| <span class="sourceLineNo">678</span> pos += Tag.TAG_LENGTH_SIZE;<a name="line.678"></a> |
| <span class="sourceLineNo">679</span> // tagLen contains one byte tag type, so must be not less than 1.<a name="line.679"></a> |
| <span class="sourceLineNo">680</span> if (tagLen < 1 || pos + tagLen > endOffset) {<a name="line.680"></a> |
| <span class="sourceLineNo">681</span> String msg =<a name="line.681"></a> |
| <span class="sourceLineNo">682</span> "Invalid tag length at position=" + (pos - Tag.TAG_LENGTH_SIZE) + ", tagLength="<a name="line.682"></a> |
| <span class="sourceLineNo">683</span> + tagLen + bytesToHex(buf, offset, length);<a name="line.683"></a> |
| <span class="sourceLineNo">684</span> LOG.warn(msg);<a name="line.684"></a> |
| <span class="sourceLineNo">685</span> throw new IllegalArgumentException(msg);<a name="line.685"></a> |
| <span class="sourceLineNo">686</span> }<a name="line.686"></a> |
| <span class="sourceLineNo">687</span> pos += tagLen;<a name="line.687"></a> |
| <span class="sourceLineNo">688</span> }<a name="line.688"></a> |
| <span class="sourceLineNo">689</span> return pos;<a name="line.689"></a> |
| <span class="sourceLineNo">690</span> }<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> * Create a KeyValue reading from the raw InputStream. Named<a name="line.693"></a> |
| <span class="sourceLineNo">694</span> * <code>createKeyValueFromInputStream</code> so doesn't clash with {@link #create(DataInput)}<a name="line.694"></a> |
| <span class="sourceLineNo">695</span> * @param in inputStream to read.<a name="line.695"></a> |
| <span class="sourceLineNo">696</span> * @param withTags whether the keyvalue should include tags are not<a name="line.696"></a> |
| <span class="sourceLineNo">697</span> * @return Created KeyValue OR if we find a length of zero, we will return null which can be<a name="line.697"></a> |
| <span class="sourceLineNo">698</span> * useful marking a stream as done.<a name="line.698"></a> |
| <span class="sourceLineNo">699</span> * @throws IOException<a name="line.699"></a> |
| <span class="sourceLineNo">700</span> */<a name="line.700"></a> |
| <span class="sourceLineNo">701</span> public static KeyValue createKeyValueFromInputStream(InputStream in, boolean withTags)<a name="line.701"></a> |
| <span class="sourceLineNo">702</span> throws IOException {<a name="line.702"></a> |
| <span class="sourceLineNo">703</span> byte[] intBytes = new byte[Bytes.SIZEOF_INT];<a name="line.703"></a> |
| <span class="sourceLineNo">704</span> int bytesRead = 0;<a name="line.704"></a> |
| <span class="sourceLineNo">705</span> while (bytesRead < intBytes.length) {<a name="line.705"></a> |
| <span class="sourceLineNo">706</span> int n = in.read(intBytes, bytesRead, intBytes.length - bytesRead);<a name="line.706"></a> |
| <span class="sourceLineNo">707</span> if (n < 0) {<a name="line.707"></a> |
| <span class="sourceLineNo">708</span> if (bytesRead == 0) {<a name="line.708"></a> |
| <span class="sourceLineNo">709</span> throw new EOFException();<a name="line.709"></a> |
| <span class="sourceLineNo">710</span> }<a name="line.710"></a> |
| <span class="sourceLineNo">711</span> throw new IOException("Failed read of int, read " + bytesRead + " bytes");<a name="line.711"></a> |
| <span class="sourceLineNo">712</span> }<a name="line.712"></a> |
| <span class="sourceLineNo">713</span> bytesRead += n;<a name="line.713"></a> |
| <span class="sourceLineNo">714</span> }<a name="line.714"></a> |
| <span class="sourceLineNo">715</span> byte[] bytes = new byte[Bytes.toInt(intBytes)];<a name="line.715"></a> |
| <span class="sourceLineNo">716</span> IOUtils.readFully(in, bytes, 0, bytes.length);<a name="line.716"></a> |
| <span class="sourceLineNo">717</span> return withTags ? new KeyValue(bytes, 0, bytes.length)<a name="line.717"></a> |
| <span class="sourceLineNo">718</span> : new NoTagsKeyValue(bytes, 0, bytes.length);<a name="line.718"></a> |
| <span class="sourceLineNo">719</span> }<a name="line.719"></a> |
| <span class="sourceLineNo">720</span><a name="line.720"></a> |
| <span class="sourceLineNo">721</span> /**<a name="line.721"></a> |
| <span class="sourceLineNo">722</span> * @param b<a name="line.722"></a> |
| <span class="sourceLineNo">723</span> * @return A KeyValue made of a byte array that holds the key-only part.<a name="line.723"></a> |
| <span class="sourceLineNo">724</span> * Needed to convert hfile index members to KeyValues.<a name="line.724"></a> |
| <span class="sourceLineNo">725</span> */<a name="line.725"></a> |
| <span class="sourceLineNo">726</span> public static KeyValue createKeyValueFromKey(final byte[] b) {<a name="line.726"></a> |
| <span class="sourceLineNo">727</span> return createKeyValueFromKey(b, 0, b.length);<a name="line.727"></a> |
| <span class="sourceLineNo">728</span> }<a name="line.728"></a> |
| <span class="sourceLineNo">729</span><a name="line.729"></a> |
| <span class="sourceLineNo">730</span> /**<a name="line.730"></a> |
| <span class="sourceLineNo">731</span> * @param bb<a name="line.731"></a> |
| <span class="sourceLineNo">732</span> * @return A KeyValue made of a byte buffer that holds the key-only part.<a name="line.732"></a> |
| <span class="sourceLineNo">733</span> * Needed to convert hfile index members to KeyValues.<a name="line.733"></a> |
| <span class="sourceLineNo">734</span> */<a name="line.734"></a> |
| <span class="sourceLineNo">735</span> public static KeyValue createKeyValueFromKey(final ByteBuffer bb) {<a name="line.735"></a> |
| <span class="sourceLineNo">736</span> return createKeyValueFromKey(bb.array(), bb.arrayOffset(), bb.limit());<a name="line.736"></a> |
| <span class="sourceLineNo">737</span> }<a name="line.737"></a> |
| <span class="sourceLineNo">738</span><a name="line.738"></a> |
| <span class="sourceLineNo">739</span> /**<a name="line.739"></a> |
| <span class="sourceLineNo">740</span> * @param b<a name="line.740"></a> |
| <span class="sourceLineNo">741</span> * @param o<a name="line.741"></a> |
| <span class="sourceLineNo">742</span> * @param l<a name="line.742"></a> |
| <span class="sourceLineNo">743</span> * @return A KeyValue made of a byte array that holds the key-only part.<a name="line.743"></a> |
| <span class="sourceLineNo">744</span> * Needed to convert hfile index members to KeyValues.<a name="line.744"></a> |
| <span class="sourceLineNo">745</span> */<a name="line.745"></a> |
| <span class="sourceLineNo">746</span> public static KeyValue createKeyValueFromKey(final byte[] b, final int o, final int l) {<a name="line.746"></a> |
| <span class="sourceLineNo">747</span> byte[] newb = new byte[l + KeyValue.ROW_OFFSET];<a name="line.747"></a> |
| <span class="sourceLineNo">748</span> System.arraycopy(b, o, newb, KeyValue.ROW_OFFSET, l);<a name="line.748"></a> |
| <span class="sourceLineNo">749</span> Bytes.putInt(newb, 0, l);<a name="line.749"></a> |
| <span class="sourceLineNo">750</span> Bytes.putInt(newb, Bytes.SIZEOF_INT, 0);<a name="line.750"></a> |
| <span class="sourceLineNo">751</span> return new KeyValue(newb);<a name="line.751"></a> |
| <span class="sourceLineNo">752</span> }<a name="line.752"></a> |
| <span class="sourceLineNo">753</span><a name="line.753"></a> |
| <span class="sourceLineNo">754</span> /**<a name="line.754"></a> |
| <span class="sourceLineNo">755</span> * @param in<a name="line.755"></a> |
| <span class="sourceLineNo">756</span> * Where to read bytes from. Creates a byte array to hold the<a name="line.756"></a> |
| <span class="sourceLineNo">757</span> * KeyValue backing bytes copied from the steam.<a name="line.757"></a> |
| <span class="sourceLineNo">758</span> * @return KeyValue created by deserializing from <code>in</code> OR if we<a name="line.758"></a> |
| <span class="sourceLineNo">759</span> * find a length of zero, we will return null which can be useful<a name="line.759"></a> |
| <span class="sourceLineNo">760</span> * marking a stream as done.<a name="line.760"></a> |
| <span class="sourceLineNo">761</span> * @throws IOException<a name="line.761"></a> |
| <span class="sourceLineNo">762</span> */<a name="line.762"></a> |
| <span class="sourceLineNo">763</span> public static KeyValue create(final DataInput in) throws IOException {<a name="line.763"></a> |
| <span class="sourceLineNo">764</span> return create(in.readInt(), in);<a name="line.764"></a> |
| <span class="sourceLineNo">765</span> }<a name="line.765"></a> |
| <span class="sourceLineNo">766</span><a name="line.766"></a> |
| <span class="sourceLineNo">767</span> /**<a name="line.767"></a> |
| <span class="sourceLineNo">768</span> * Create a KeyValue reading <code>length</code> from <code>in</code><a name="line.768"></a> |
| <span class="sourceLineNo">769</span> *<a name="line.769"></a> |
| <span class="sourceLineNo">770</span> * @param length<a name="line.770"></a> |
| <span class="sourceLineNo">771</span> * @param in<a name="line.771"></a> |
| <span class="sourceLineNo">772</span> * @return Created KeyValue OR if we find a length of zero, we will return<a name="line.772"></a> |
| <span class="sourceLineNo">773</span> * null which can be useful marking a stream as done.<a name="line.773"></a> |
| <span class="sourceLineNo">774</span> * @throws IOException<a name="line.774"></a> |
| <span class="sourceLineNo">775</span> */<a name="line.775"></a> |
| <span class="sourceLineNo">776</span> public static KeyValue create(int length, final DataInput in) throws IOException {<a name="line.776"></a> |
| <span class="sourceLineNo">777</span><a name="line.777"></a> |
| <span class="sourceLineNo">778</span> if (length <= 0) {<a name="line.778"></a> |
| <span class="sourceLineNo">779</span> if (length == 0)<a name="line.779"></a> |
| <span class="sourceLineNo">780</span> return null;<a name="line.780"></a> |
| <span class="sourceLineNo">781</span> throw new IOException("Failed read " + length + " bytes, stream corrupt?");<a name="line.781"></a> |
| <span class="sourceLineNo">782</span> }<a name="line.782"></a> |
| <span class="sourceLineNo">783</span><a name="line.783"></a> |
| <span class="sourceLineNo">784</span> // This is how the old Writables.readFrom used to deserialize. Didn't even<a name="line.784"></a> |
| <span class="sourceLineNo">785</span> // vint.<a name="line.785"></a> |
| <span class="sourceLineNo">786</span> byte[] bytes = new byte[length];<a name="line.786"></a> |
| <span class="sourceLineNo">787</span> in.readFully(bytes);<a name="line.787"></a> |
| <span class="sourceLineNo">788</span> return new KeyValue(bytes, 0, length);<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> public static int getSerializedSize(Cell cell, boolean withTags) {<a name="line.791"></a> |
| <span class="sourceLineNo">792</span> if (withTags) {<a name="line.792"></a> |
| <span class="sourceLineNo">793</span> return cell.getSerializedSize();<a name="line.793"></a> |
| <span class="sourceLineNo">794</span> }<a name="line.794"></a> |
| <span class="sourceLineNo">795</span> if (cell instanceof ExtendedCell) {<a name="line.795"></a> |
| <span class="sourceLineNo">796</span> return ((ExtendedCell) cell).getSerializedSize(withTags);<a name="line.796"></a> |
| <span class="sourceLineNo">797</span> }<a name="line.797"></a> |
| <span class="sourceLineNo">798</span> return length(cell.getRowLength(), cell.getFamilyLength(), cell.getQualifierLength(),<a name="line.798"></a> |
| <span class="sourceLineNo">799</span> cell.getValueLength(), cell.getTagsLength(), withTags);<a name="line.799"></a> |
| <span class="sourceLineNo">800</span> }<a name="line.800"></a> |
| <span class="sourceLineNo">801</span><a name="line.801"></a> |
| <span class="sourceLineNo">802</span> public static int oswrite(final Cell cell, final OutputStream out, final boolean withTags)<a name="line.802"></a> |
| <span class="sourceLineNo">803</span> throws IOException {<a name="line.803"></a> |
| <span class="sourceLineNo">804</span> if (cell instanceof ExtendedCell) {<a name="line.804"></a> |
| <span class="sourceLineNo">805</span> return ((ExtendedCell)cell).write(out, withTags);<a name="line.805"></a> |
| <span class="sourceLineNo">806</span> } else {<a name="line.806"></a> |
| <span class="sourceLineNo">807</span> short rlen = cell.getRowLength();<a name="line.807"></a> |
| <span class="sourceLineNo">808</span> byte flen = cell.getFamilyLength();<a name="line.808"></a> |
| <span class="sourceLineNo">809</span> int qlen = cell.getQualifierLength();<a name="line.809"></a> |
| <span class="sourceLineNo">810</span> int vlen = cell.getValueLength();<a name="line.810"></a> |
| <span class="sourceLineNo">811</span> int tlen = cell.getTagsLength();<a name="line.811"></a> |
| <span class="sourceLineNo">812</span> int size = 0;<a name="line.812"></a> |
| <span class="sourceLineNo">813</span> // write key length<a name="line.813"></a> |
| <span class="sourceLineNo">814</span> int klen = keyLength(rlen, flen, qlen);<a name="line.814"></a> |
| <span class="sourceLineNo">815</span> ByteBufferUtils.putInt(out, klen);<a name="line.815"></a> |
| <span class="sourceLineNo">816</span> // write value length<a name="line.816"></a> |
| <span class="sourceLineNo">817</span> ByteBufferUtils.putInt(out, vlen);<a name="line.817"></a> |
| <span class="sourceLineNo">818</span> // Write rowkey - 2 bytes rk length followed by rowkey bytes<a name="line.818"></a> |
| <span class="sourceLineNo">819</span> StreamUtils.writeShort(out, rlen);<a name="line.819"></a> |
| <span class="sourceLineNo">820</span> out.write(cell.getRowArray(), cell.getRowOffset(), rlen);<a name="line.820"></a> |
| <span class="sourceLineNo">821</span> // Write cf - 1 byte of cf length followed by the family bytes<a name="line.821"></a> |
| <span class="sourceLineNo">822</span> out.write(flen);<a name="line.822"></a> |
| <span class="sourceLineNo">823</span> out.write(cell.getFamilyArray(), cell.getFamilyOffset(), flen);<a name="line.823"></a> |
| <span class="sourceLineNo">824</span> // write qualifier<a name="line.824"></a> |
| <span class="sourceLineNo">825</span> out.write(cell.getQualifierArray(), cell.getQualifierOffset(), qlen);<a name="line.825"></a> |
| <span class="sourceLineNo">826</span> // write timestamp<a name="line.826"></a> |
| <span class="sourceLineNo">827</span> StreamUtils.writeLong(out, cell.getTimestamp());<a name="line.827"></a> |
| <span class="sourceLineNo">828</span> // write the type<a name="line.828"></a> |
| <span class="sourceLineNo">829</span> out.write(cell.getTypeByte());<a name="line.829"></a> |
| <span class="sourceLineNo">830</span> // write value<a name="line.830"></a> |
| <span class="sourceLineNo">831</span> out.write(cell.getValueArray(), cell.getValueOffset(), vlen);<a name="line.831"></a> |
| <span class="sourceLineNo">832</span> size = klen + vlen + KeyValue.KEYVALUE_INFRASTRUCTURE_SIZE;<a name="line.832"></a> |
| <span class="sourceLineNo">833</span> // write tags if we have to<a name="line.833"></a> |
| <span class="sourceLineNo">834</span> if (withTags && tlen > 0) {<a name="line.834"></a> |
| <span class="sourceLineNo">835</span> // 2 bytes tags length followed by tags bytes<a name="line.835"></a> |
| <span class="sourceLineNo">836</span> // tags length is serialized with 2 bytes only(short way) even if the<a name="line.836"></a> |
| <span class="sourceLineNo">837</span> // type is int. As this<a name="line.837"></a> |
| <span class="sourceLineNo">838</span> // is non -ve numbers, we save the sign bit. See HBASE-11437<a name="line.838"></a> |
| <span class="sourceLineNo">839</span> out.write((byte) (0xff & (tlen >> 8)));<a name="line.839"></a> |
| <span class="sourceLineNo">840</span> out.write((byte) (0xff & tlen));<a name="line.840"></a> |
| <span class="sourceLineNo">841</span> out.write(cell.getTagsArray(), cell.getTagsOffset(), tlen);<a name="line.841"></a> |
| <span class="sourceLineNo">842</span> size += tlen + KeyValue.TAGS_LENGTH_SIZE;<a name="line.842"></a> |
| <span class="sourceLineNo">843</span> }<a name="line.843"></a> |
| <span class="sourceLineNo">844</span> return size;<a name="line.844"></a> |
| <span class="sourceLineNo">845</span> }<a name="line.845"></a> |
| <span class="sourceLineNo">846</span> }<a name="line.846"></a> |
| <span class="sourceLineNo">847</span>}<a name="line.847"></a> |
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| </div> |
| </body> |
| </html> |
