http://git-wip-us.apache.org/repos/asf/hbase-site/blob/dad9a249/devapidocs/src-html/org/apache/hadoop/hbase/Cell.DataType.html ---------------------------------------------------------------------- diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/Cell.DataType.html b/devapidocs/src-html/org/apache/hadoop/hbase/Cell.DataType.html new file mode 100644 index 0000000..a494b20 --- /dev/null +++ b/devapidocs/src-html/org/apache/hadoop/hbase/Cell.DataType.html @@ -0,0 +1,305 @@ +<!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><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 org.apache.yetus.audience.InterfaceAudience;<a name="line.21"></a> +<span class="sourceLineNo">022</span><a name="line.22"></a> +<span class="sourceLineNo">023</span><a name="line.23"></a> +<span class="sourceLineNo">024</span>/**<a name="line.24"></a> +<span class="sourceLineNo">025</span> * The unit of storage in HBase consisting of the following fields:<a name="line.25"></a> +<span class="sourceLineNo">026</span> * <br><a name="line.26"></a> +<span class="sourceLineNo">027</span> * <pre><a name="line.27"></a> +<span class="sourceLineNo">028</span> * 1) row<a name="line.28"></a> +<span class="sourceLineNo">029</span> * 2) column family<a name="line.29"></a> +<span class="sourceLineNo">030</span> * 3) column qualifier<a name="line.30"></a> +<span class="sourceLineNo">031</span> * 4) timestamp<a name="line.31"></a> +<span class="sourceLineNo">032</span> * 5) type<a name="line.32"></a> +<span class="sourceLineNo">033</span> * 6) MVCC version<a name="line.33"></a> +<span class="sourceLineNo">034</span> * 7) value<a name="line.34"></a> +<span class="sourceLineNo">035</span> * </pre><a name="line.35"></a> +<span class="sourceLineNo">036</span> * <p><a name="line.36"></a> +<span class="sourceLineNo">037</span> * Uniqueness is determined by the combination of row, column family, column qualifier,<a name="line.37"></a> +<span class="sourceLineNo">038</span> * timestamp, and type.<a name="line.38"></a> +<span class="sourceLineNo">039</span> * </p><a name="line.39"></a> +<span class="sourceLineNo">040</span> * <p><a name="line.40"></a> +<span class="sourceLineNo">041</span> * The natural comparator will perform a bitwise comparison on row, column family, and column<a name="line.41"></a> +<span class="sourceLineNo">042</span> * qualifier. Less intuitively, it will then treat the greater timestamp as the lesser value with<a name="line.42"></a> +<span class="sourceLineNo">043</span> * the goal of sorting newer cells first.<a name="line.43"></a> +<span class="sourceLineNo">044</span> * </p><a name="line.44"></a> +<span class="sourceLineNo">045</span> * <p><a name="line.45"></a> +<span class="sourceLineNo">046</span> * Cell implements Comparable&lt;Cell&gt; which is only meaningful when<a name="line.46"></a> +<span class="sourceLineNo">047</span> * comparing to other keys in the<a name="line.47"></a> +<span class="sourceLineNo">048</span> * same table. It uses CellComparator which does not work on the -ROOT- and hbase:meta tables.<a name="line.48"></a> +<span class="sourceLineNo">049</span> * </p><a name="line.49"></a> +<span class="sourceLineNo">050</span> * <p><a name="line.50"></a> +<span class="sourceLineNo">051</span> * In the future, we may consider adding a boolean isOnHeap() method and a getValueBuffer() method<a name="line.51"></a> +<span class="sourceLineNo">052</span> * that can be used to pass a value directly from an off-heap ByteBuffer to the network without<a name="line.52"></a> +<span class="sourceLineNo">053</span> * copying into an on-heap byte[].<a name="line.53"></a> +<span class="sourceLineNo">054</span> * </p><a name="line.54"></a> +<span class="sourceLineNo">055</span> * <p><a name="line.55"></a> +<span class="sourceLineNo">056</span> * Historic note: the original Cell implementation (KeyValue) requires that all fields be encoded as<a name="line.56"></a> +<span class="sourceLineNo">057</span> * consecutive bytes in the same byte[], whereas this interface allows fields to reside in separate<a name="line.57"></a> +<span class="sourceLineNo">058</span> * byte[]'s.<a name="line.58"></a> +<span class="sourceLineNo">059</span> * </p><a name="line.59"></a> +<span class="sourceLineNo">060</span> */<a name="line.60"></a> +<span class="sourceLineNo">061</span>@InterfaceAudience.Public<a name="line.61"></a> +<span class="sourceLineNo">062</span>public interface Cell {<a name="line.62"></a> +<span class="sourceLineNo">063</span><a name="line.63"></a> +<span class="sourceLineNo">064</span> //1) Row<a name="line.64"></a> +<span class="sourceLineNo">065</span><a name="line.65"></a> +<span class="sourceLineNo">066</span> /**<a name="line.66"></a> +<span class="sourceLineNo">067</span> * Contiguous raw bytes that may start at any index in the containing array. Max length is<a name="line.67"></a> +<span class="sourceLineNo">068</span> * Short.MAX_VALUE which is 32,767 bytes.<a name="line.68"></a> +<span class="sourceLineNo">069</span> * @return The array containing the row bytes.<a name="line.69"></a> +<span class="sourceLineNo">070</span> */<a name="line.70"></a> +<span class="sourceLineNo">071</span> byte[] getRowArray();<a name="line.71"></a> +<span class="sourceLineNo">072</span><a name="line.72"></a> +<span class="sourceLineNo">073</span> /**<a name="line.73"></a> +<span class="sourceLineNo">074</span> * @return Array index of first row byte<a name="line.74"></a> +<span class="sourceLineNo">075</span> */<a name="line.75"></a> +<span class="sourceLineNo">076</span> int getRowOffset();<a name="line.76"></a> +<span class="sourceLineNo">077</span><a name="line.77"></a> +<span class="sourceLineNo">078</span> /**<a name="line.78"></a> +<span class="sourceLineNo">079</span> * @return Number of row bytes. Must be &lt; rowArray.length - offset.<a name="line.79"></a> +<span class="sourceLineNo">080</span> */<a name="line.80"></a> +<span class="sourceLineNo">081</span> short getRowLength();<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> //2) Family<a name="line.84"></a> +<span class="sourceLineNo">085</span><a name="line.85"></a> +<span class="sourceLineNo">086</span> /**<a name="line.86"></a> +<span class="sourceLineNo">087</span> * Contiguous bytes composed of legal HDFS filename characters which may start at any index in the<a name="line.87"></a> +<span class="sourceLineNo">088</span> * containing array. Max length is Byte.MAX_VALUE, which is 127 bytes.<a name="line.88"></a> +<span class="sourceLineNo">089</span> * @return the array containing the family bytes.<a name="line.89"></a> +<span class="sourceLineNo">090</span> */<a name="line.90"></a> +<span class="sourceLineNo">091</span> byte[] getFamilyArray();<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> * @return Array index of first family byte<a name="line.94"></a> +<span class="sourceLineNo">095</span> */<a name="line.95"></a> +<span class="sourceLineNo">096</span> int getFamilyOffset();<a name="line.96"></a> +<span class="sourceLineNo">097</span><a name="line.97"></a> +<span class="sourceLineNo">098</span> /**<a name="line.98"></a> +<span class="sourceLineNo">099</span> * @return Number of family bytes. Must be &lt; familyArray.length - offset.<a name="line.99"></a> +<span class="sourceLineNo">100</span> */<a name="line.100"></a> +<span class="sourceLineNo">101</span> byte getFamilyLength();<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> //3) Qualifier<a name="line.104"></a> +<span class="sourceLineNo">105</span><a name="line.105"></a> +<span class="sourceLineNo">106</span> /**<a name="line.106"></a> +<span class="sourceLineNo">107</span> * Contiguous raw bytes that may start at any index in the containing array.<a name="line.107"></a> +<span class="sourceLineNo">108</span> * @return The array containing the qualifier bytes.<a name="line.108"></a> +<span class="sourceLineNo">109</span> */<a name="line.109"></a> +<span class="sourceLineNo">110</span> byte[] getQualifierArray();<a name="line.110"></a> +<span class="sourceLineNo">111</span><a name="line.111"></a> +<span class="sourceLineNo">112</span> /**<a name="line.112"></a> +<span class="sourceLineNo">113</span> * @return Array index of first qualifier byte<a name="line.113"></a> +<span class="sourceLineNo">114</span> */<a name="line.114"></a> +<span class="sourceLineNo">115</span> int getQualifierOffset();<a name="line.115"></a> +<span class="sourceLineNo">116</span><a name="line.116"></a> +<span class="sourceLineNo">117</span> /**<a name="line.117"></a> +<span class="sourceLineNo">118</span> * @return Number of qualifier bytes. Must be &lt; qualifierArray.length - offset.<a name="line.118"></a> +<span class="sourceLineNo">119</span> */<a name="line.119"></a> +<span class="sourceLineNo">120</span> int getQualifierLength();<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> //4) Timestamp<a name="line.123"></a> +<span class="sourceLineNo">124</span><a name="line.124"></a> +<span class="sourceLineNo">125</span> /**<a name="line.125"></a> +<span class="sourceLineNo">126</span> * @return Long value representing time at which this cell was "Put" into the row. Typically<a name="line.126"></a> +<span class="sourceLineNo">127</span> * represents the time of insertion, but can be any value from 0 to Long.MAX_VALUE.<a name="line.127"></a> +<span class="sourceLineNo">128</span> */<a name="line.128"></a> +<span class="sourceLineNo">129</span> long getTimestamp();<a name="line.129"></a> +<span class="sourceLineNo">130</span><a name="line.130"></a> +<span class="sourceLineNo">131</span><a name="line.131"></a> +<span class="sourceLineNo">132</span> //5) Type<a name="line.132"></a> +<span class="sourceLineNo">133</span><a name="line.133"></a> +<span class="sourceLineNo">134</span> /**<a name="line.134"></a> +<span class="sourceLineNo">135</span> * @return The byte representation of the KeyValue.TYPE of this cell: one of Put, Delete, etc<a name="line.135"></a> +<span class="sourceLineNo">136</span> * @deprecated As of HBase-2.0. Will be removed in HBase-3.0. Use {@link #getType()}.<a name="line.136"></a> +<span class="sourceLineNo">137</span> */<a name="line.137"></a> +<span class="sourceLineNo">138</span> @Deprecated<a name="line.138"></a> +<span class="sourceLineNo">139</span> byte getTypeByte();<a name="line.139"></a> +<span class="sourceLineNo">140</span><a name="line.140"></a> +<span class="sourceLineNo">141</span><a name="line.141"></a> +<span class="sourceLineNo">142</span> //6) SequenceId<a name="line.142"></a> +<span class="sourceLineNo">143</span><a name="line.143"></a> +<span class="sourceLineNo">144</span> /**<a name="line.144"></a> +<span class="sourceLineNo">145</span> * A region-specific unique monotonically increasing sequence ID given to each Cell. It always<a name="line.145"></a> +<span class="sourceLineNo">146</span> * exists for cells in the memstore but is not retained forever. It will be kept for<a name="line.146"></a> +<span class="sourceLineNo">147</span> * {@link HConstants#KEEP_SEQID_PERIOD} days, but generally becomes irrelevant after the cell's<a name="line.147"></a> +<span class="sourceLineNo">148</span> * row is no longer involved in any operations that require strict consistency.<a name="line.148"></a> +<span class="sourceLineNo">149</span> * @return seqId (always &gt; 0 if exists), or 0 if it no longer exists<a name="line.149"></a> +<span class="sourceLineNo">150</span> * @deprecated As of HBase-2.0. Will be removed in HBase-3.0.<a name="line.150"></a> +<span class="sourceLineNo">151</span> */<a name="line.151"></a> +<span class="sourceLineNo">152</span> @Deprecated<a name="line.152"></a> +<span class="sourceLineNo">153</span> long getSequenceId();<a name="line.153"></a> +<span class="sourceLineNo">154</span><a name="line.154"></a> +<span class="sourceLineNo">155</span> //7) Value<a name="line.155"></a> +<span class="sourceLineNo">156</span><a name="line.156"></a> +<span class="sourceLineNo">157</span> /**<a name="line.157"></a> +<span class="sourceLineNo">158</span> * Contiguous raw bytes that may start at any index in the containing array. Max length is<a name="line.158"></a> +<span class="sourceLineNo">159</span> * Integer.MAX_VALUE which is 2,147,483,647 bytes.<a name="line.159"></a> +<span class="sourceLineNo">160</span> * @return The array containing the value bytes.<a name="line.160"></a> +<span class="sourceLineNo">161</span> */<a name="line.161"></a> +<span class="sourceLineNo">162</span> byte[] getValueArray();<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> * @return Array index of first value byte<a name="line.165"></a> +<span class="sourceLineNo">166</span> */<a name="line.166"></a> +<span class="sourceLineNo">167</span> int getValueOffset();<a name="line.167"></a> +<span class="sourceLineNo">168</span><a name="line.168"></a> +<span class="sourceLineNo">169</span> /**<a name="line.169"></a> +<span class="sourceLineNo">170</span> * @return Number of value bytes. Must be &lt; valueArray.length - offset.<a name="line.170"></a> +<span class="sourceLineNo">171</span> */<a name="line.171"></a> +<span class="sourceLineNo">172</span> int getValueLength();<a name="line.172"></a> +<span class="sourceLineNo">173</span><a name="line.173"></a> +<span class="sourceLineNo">174</span> /**<a name="line.174"></a> +<span class="sourceLineNo">175</span> * Contiguous raw bytes representing tags that may start at any index in the containing array.<a name="line.175"></a> +<span class="sourceLineNo">176</span> * @return the tags byte array<a name="line.176"></a> +<span class="sourceLineNo">177</span> * @deprecated As of HBase-2.0. Will be removed in HBase-3.0. Tags are are now internal.<a name="line.177"></a> +<span class="sourceLineNo">178</span> */<a name="line.178"></a> +<span class="sourceLineNo">179</span> @Deprecated<a name="line.179"></a> +<span class="sourceLineNo">180</span> byte[] getTagsArray();<a name="line.180"></a> +<span class="sourceLineNo">181</span><a name="line.181"></a> +<span class="sourceLineNo">182</span> /**<a name="line.182"></a> +<span class="sourceLineNo">183</span> * @return the first offset where the tags start in the Cell<a name="line.183"></a> +<span class="sourceLineNo">184</span> * @deprecated As of HBase-2.0. Will be removed in HBase-3.0. Tags are are now internal.<a name="line.184"></a> +<span class="sourceLineNo">185</span> */<a name="line.185"></a> +<span class="sourceLineNo">186</span> @Deprecated<a name="line.186"></a> +<span class="sourceLineNo">187</span> int getTagsOffset();<a name="line.187"></a> +<span class="sourceLineNo">188</span><a name="line.188"></a> +<span class="sourceLineNo">189</span> /**<a name="line.189"></a> +<span class="sourceLineNo">190</span> * HBase internally uses 2 bytes to store tags length in Cell.<a name="line.190"></a> +<span class="sourceLineNo">191</span> * As the tags length is always a non-negative number, to make good use of the sign bit,<a name="line.191"></a> +<span class="sourceLineNo">192</span> * the max of tags length is defined 2 * Short.MAX_VALUE + 1 = 65535.<a name="line.192"></a> +<span class="sourceLineNo">193</span> * As a result, the return type is int, because a short is not capable of handling that.<a name="line.193"></a> +<span class="sourceLineNo">194</span> * Please note that even if the return type is int, the max tags length is far<a name="line.194"></a> +<span class="sourceLineNo">195</span> * less than Integer.MAX_VALUE.<a name="line.195"></a> +<span class="sourceLineNo">196</span> *<a name="line.196"></a> +<span class="sourceLineNo">197</span> * @return the total length of the tags in the Cell.<a name="line.197"></a> +<span class="sourceLineNo">198</span> * @deprecated As of HBase-2.0. Will be removed in HBase-3.0. Tags are are now internal.<a name="line.198"></a> +<span class="sourceLineNo">199</span> */<a name="line.199"></a> +<span class="sourceLineNo">200</span> @Deprecated<a name="line.200"></a> +<span class="sourceLineNo">201</span> int getTagsLength();<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> * Returns the type of cell in a human readable format using {@link DataType}<a name="line.204"></a> +<span class="sourceLineNo">205</span> * @return The data type this cell: one of Put, Delete, etc<a name="line.205"></a> +<span class="sourceLineNo">206</span> */<a name="line.206"></a> +<span class="sourceLineNo">207</span> DataType getType();<a name="line.207"></a> +<span class="sourceLineNo">208</span><a name="line.208"></a> +<span class="sourceLineNo">209</span> /**<a name="line.209"></a> +<span class="sourceLineNo">210</span> * The valid types for user to build the cell. Currently, This is subset of {@link KeyValue.Type}.<a name="line.210"></a> +<span class="sourceLineNo">211</span> */<a name="line.211"></a> +<span class="sourceLineNo">212</span> public enum DataType {<a name="line.212"></a> +<span class="sourceLineNo">213</span> Put((byte) 4),<a name="line.213"></a> +<span class="sourceLineNo">214</span><a name="line.214"></a> +<span class="sourceLineNo">215</span> Delete((byte) 8),<a name="line.215"></a> +<span class="sourceLineNo">216</span><a name="line.216"></a> +<span class="sourceLineNo">217</span> DeleteFamilyVersion((byte) 10),<a name="line.217"></a> +<span class="sourceLineNo">218</span><a name="line.218"></a> +<span class="sourceLineNo">219</span> DeleteColumn((byte) 12),<a name="line.219"></a> +<span class="sourceLineNo">220</span><a name="line.220"></a> +<span class="sourceLineNo">221</span> DeleteFamily((byte) 14);<a name="line.221"></a> +<span class="sourceLineNo">222</span><a name="line.222"></a> +<span class="sourceLineNo">223</span> private final byte code;<a name="line.223"></a> +<span class="sourceLineNo">224</span><a name="line.224"></a> +<span class="sourceLineNo">225</span> DataType(final byte c) {<a name="line.225"></a> +<span class="sourceLineNo">226</span> this.code = c;<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> public byte getCode() {<a name="line.229"></a> +<span class="sourceLineNo">230</span> return this.code;<a name="line.230"></a> +<span class="sourceLineNo">231</span> }<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> + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +</pre> +</div> +</body> +</html>
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/dad9a249/devapidocs/src-html/org/apache/hadoop/hbase/Cell.html ---------------------------------------------------------------------- diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/Cell.html b/devapidocs/src-html/org/apache/hadoop/hbase/Cell.html index 2d020e2..a494b20 100644 --- a/devapidocs/src-html/org/apache/hadoop/hbase/Cell.html +++ b/devapidocs/src-html/org/apache/hadoop/hbase/Cell.html @@ -141,66 +141,104 @@ <span class="sourceLineNo">133</span><a name="line.133"></a> <span class="sourceLineNo">134</span> /**<a name="line.134"></a> <span class="sourceLineNo">135</span> * @return The byte representation of the KeyValue.TYPE of this cell: one of Put, Delete, etc<a name="line.135"></a> -<span class="sourceLineNo">136</span> * @deprecated since 2.0.0, use appropriate {@link CellUtil#isDelete} or<a name="line.136"></a> -<span class="sourceLineNo">137</span> * {@link CellUtil#isPut(Cell)} methods instead. This will be removed in 3.0.0.<a name="line.137"></a> -<span class="sourceLineNo">138</span> */<a name="line.138"></a> -<span class="sourceLineNo">139</span> @Deprecated<a name="line.139"></a> -<span class="sourceLineNo">140</span> byte getTypeByte();<a name="line.140"></a> +<span class="sourceLineNo">136</span> * @deprecated As of HBase-2.0. Will be removed in HBase-3.0. Use {@link #getType()}.<a name="line.136"></a> +<span class="sourceLineNo">137</span> */<a name="line.137"></a> +<span class="sourceLineNo">138</span> @Deprecated<a name="line.138"></a> +<span class="sourceLineNo">139</span> byte getTypeByte();<a name="line.139"></a> +<span class="sourceLineNo">140</span><a name="line.140"></a> <span class="sourceLineNo">141</span><a name="line.141"></a> -<span class="sourceLineNo">142</span><a name="line.142"></a> -<span class="sourceLineNo">143</span> //6) SequenceId<a name="line.143"></a> -<span class="sourceLineNo">144</span><a name="line.144"></a> -<span class="sourceLineNo">145</span> /**<a name="line.145"></a> -<span class="sourceLineNo">146</span> * A region-specific unique monotonically increasing sequence ID given to each Cell. It always<a name="line.146"></a> -<span class="sourceLineNo">147</span> * exists for cells in the memstore but is not retained forever. It will be kept for<a name="line.147"></a> -<span class="sourceLineNo">148</span> * {@link HConstants#KEEP_SEQID_PERIOD} days, but generally becomes irrelevant after the cell's<a name="line.148"></a> -<span class="sourceLineNo">149</span> * row is no longer involved in any operations that require strict consistency.<a name="line.149"></a> -<span class="sourceLineNo">150</span> * @return seqId (always &gt; 0 if exists), or 0 if it no longer exists<a name="line.150"></a> +<span class="sourceLineNo">142</span> //6) SequenceId<a name="line.142"></a> +<span class="sourceLineNo">143</span><a name="line.143"></a> +<span class="sourceLineNo">144</span> /**<a name="line.144"></a> +<span class="sourceLineNo">145</span> * A region-specific unique monotonically increasing sequence ID given to each Cell. It always<a name="line.145"></a> +<span class="sourceLineNo">146</span> * exists for cells in the memstore but is not retained forever. It will be kept for<a name="line.146"></a> +<span class="sourceLineNo">147</span> * {@link HConstants#KEEP_SEQID_PERIOD} days, but generally becomes irrelevant after the cell's<a name="line.147"></a> +<span class="sourceLineNo">148</span> * row is no longer involved in any operations that require strict consistency.<a name="line.148"></a> +<span class="sourceLineNo">149</span> * @return seqId (always &gt; 0 if exists), or 0 if it no longer exists<a name="line.149"></a> +<span class="sourceLineNo">150</span> * @deprecated As of HBase-2.0. Will be removed in HBase-3.0.<a name="line.150"></a> <span class="sourceLineNo">151</span> */<a name="line.151"></a> -<span class="sourceLineNo">152</span> long getSequenceId();<a name="line.152"></a> -<span class="sourceLineNo">153</span><a name="line.153"></a> -<span class="sourceLineNo">154</span> //7) Value<a name="line.154"></a> -<span class="sourceLineNo">155</span><a name="line.155"></a> -<span class="sourceLineNo">156</span> /**<a name="line.156"></a> -<span class="sourceLineNo">157</span> * Contiguous raw bytes that may start at any index in the containing array. Max length is<a name="line.157"></a> -<span class="sourceLineNo">158</span> * Integer.MAX_VALUE which is 2,147,483,647 bytes.<a name="line.158"></a> -<span class="sourceLineNo">159</span> * @return The array containing the value bytes.<a name="line.159"></a> -<span class="sourceLineNo">160</span> */<a name="line.160"></a> -<span class="sourceLineNo">161</span> byte[] getValueArray();<a name="line.161"></a> -<span class="sourceLineNo">162</span><a name="line.162"></a> -<span class="sourceLineNo">163</span> /**<a name="line.163"></a> -<span class="sourceLineNo">164</span> * @return Array index of first value byte<a name="line.164"></a> -<span class="sourceLineNo">165</span> */<a name="line.165"></a> -<span class="sourceLineNo">166</span> int getValueOffset();<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> * @return Number of value bytes. Must be &lt; valueArray.length - offset.<a name="line.169"></a> -<span class="sourceLineNo">170</span> */<a name="line.170"></a> -<span class="sourceLineNo">171</span> int getValueLength();<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> * Contiguous raw bytes representing tags that may start at any index in the containing array.<a name="line.174"></a> -<span class="sourceLineNo">175</span> * @return the tags byte array<a name="line.175"></a> -<span class="sourceLineNo">176</span> */<a name="line.176"></a> -<span class="sourceLineNo">177</span> byte[] getTagsArray();<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> * @return the first offset where the tags start in the Cell<a name="line.180"></a> -<span class="sourceLineNo">181</span> */<a name="line.181"></a> -<span class="sourceLineNo">182</span> int getTagsOffset();<a name="line.182"></a> -<span class="sourceLineNo">183</span><a name="line.183"></a> -<span class="sourceLineNo">184</span> /**<a name="line.184"></a> -<span class="sourceLineNo">185</span> * HBase internally uses 2 bytes to store tags length in Cell.<a name="line.185"></a> -<span class="sourceLineNo">186</span> * As the tags length is always a non-negative number, to make good use of the sign bit,<a name="line.186"></a> -<span class="sourceLineNo">187</span> * the max of tags length is defined 2 * Short.MAX_VALUE + 1 = 65535.<a name="line.187"></a> -<span class="sourceLineNo">188</span> * As a result, the return type is int, because a short is not capable of handling that.<a name="line.188"></a> -<span class="sourceLineNo">189</span> * Please note that even if the return type is int, the max tags length is far<a name="line.189"></a> -<span class="sourceLineNo">190</span> * less than Integer.MAX_VALUE.<a name="line.190"></a> -<span class="sourceLineNo">191</span> *<a name="line.191"></a> -<span class="sourceLineNo">192</span> * @return the total length of the tags in the Cell.<a name="line.192"></a> -<span class="sourceLineNo">193</span> */<a name="line.193"></a> -<span class="sourceLineNo">194</span> int getTagsLength();<a name="line.194"></a> -<span class="sourceLineNo">195</span>}<a name="line.195"></a> +<span class="sourceLineNo">152</span> @Deprecated<a name="line.152"></a> +<span class="sourceLineNo">153</span> long getSequenceId();<a name="line.153"></a> +<span class="sourceLineNo">154</span><a name="line.154"></a> +<span class="sourceLineNo">155</span> //7) Value<a name="line.155"></a> +<span class="sourceLineNo">156</span><a name="line.156"></a> +<span class="sourceLineNo">157</span> /**<a name="line.157"></a> +<span class="sourceLineNo">158</span> * Contiguous raw bytes that may start at any index in the containing array. Max length is<a name="line.158"></a> +<span class="sourceLineNo">159</span> * Integer.MAX_VALUE which is 2,147,483,647 bytes.<a name="line.159"></a> +<span class="sourceLineNo">160</span> * @return The array containing the value bytes.<a name="line.160"></a> +<span class="sourceLineNo">161</span> */<a name="line.161"></a> +<span class="sourceLineNo">162</span> byte[] getValueArray();<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> * @return Array index of first value byte<a name="line.165"></a> +<span class="sourceLineNo">166</span> */<a name="line.166"></a> +<span class="sourceLineNo">167</span> int getValueOffset();<a name="line.167"></a> +<span class="sourceLineNo">168</span><a name="line.168"></a> +<span class="sourceLineNo">169</span> /**<a name="line.169"></a> +<span class="sourceLineNo">170</span> * @return Number of value bytes. Must be &lt; valueArray.length - offset.<a name="line.170"></a> +<span class="sourceLineNo">171</span> */<a name="line.171"></a> +<span class="sourceLineNo">172</span> int getValueLength();<a name="line.172"></a> +<span class="sourceLineNo">173</span><a name="line.173"></a> +<span class="sourceLineNo">174</span> /**<a name="line.174"></a> +<span class="sourceLineNo">175</span> * Contiguous raw bytes representing tags that may start at any index in the containing array.<a name="line.175"></a> +<span class="sourceLineNo">176</span> * @return the tags byte array<a name="line.176"></a> +<span class="sourceLineNo">177</span> * @deprecated As of HBase-2.0. Will be removed in HBase-3.0. Tags are are now internal.<a name="line.177"></a> +<span class="sourceLineNo">178</span> */<a name="line.178"></a> +<span class="sourceLineNo">179</span> @Deprecated<a name="line.179"></a> +<span class="sourceLineNo">180</span> byte[] getTagsArray();<a name="line.180"></a> +<span class="sourceLineNo">181</span><a name="line.181"></a> +<span class="sourceLineNo">182</span> /**<a name="line.182"></a> +<span class="sourceLineNo">183</span> * @return the first offset where the tags start in the Cell<a name="line.183"></a> +<span class="sourceLineNo">184</span> * @deprecated As of HBase-2.0. Will be removed in HBase-3.0. Tags are are now internal.<a name="line.184"></a> +<span class="sourceLineNo">185</span> */<a name="line.185"></a> +<span class="sourceLineNo">186</span> @Deprecated<a name="line.186"></a> +<span class="sourceLineNo">187</span> int getTagsOffset();<a name="line.187"></a> +<span class="sourceLineNo">188</span><a name="line.188"></a> +<span class="sourceLineNo">189</span> /**<a name="line.189"></a> +<span class="sourceLineNo">190</span> * HBase internally uses 2 bytes to store tags length in Cell.<a name="line.190"></a> +<span class="sourceLineNo">191</span> * As the tags length is always a non-negative number, to make good use of the sign bit,<a name="line.191"></a> +<span class="sourceLineNo">192</span> * the max of tags length is defined 2 * Short.MAX_VALUE + 1 = 65535.<a name="line.192"></a> +<span class="sourceLineNo">193</span> * As a result, the return type is int, because a short is not capable of handling that.<a name="line.193"></a> +<span class="sourceLineNo">194</span> * Please note that even if the return type is int, the max tags length is far<a name="line.194"></a> +<span class="sourceLineNo">195</span> * less than Integer.MAX_VALUE.<a name="line.195"></a> +<span class="sourceLineNo">196</span> *<a name="line.196"></a> +<span class="sourceLineNo">197</span> * @return the total length of the tags in the Cell.<a name="line.197"></a> +<span class="sourceLineNo">198</span> * @deprecated As of HBase-2.0. Will be removed in HBase-3.0. Tags are are now internal.<a name="line.198"></a> +<span class="sourceLineNo">199</span> */<a name="line.199"></a> +<span class="sourceLineNo">200</span> @Deprecated<a name="line.200"></a> +<span class="sourceLineNo">201</span> int getTagsLength();<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> * Returns the type of cell in a human readable format using {@link DataType}<a name="line.204"></a> +<span class="sourceLineNo">205</span> * @return The data type this cell: one of Put, Delete, etc<a name="line.205"></a> +<span class="sourceLineNo">206</span> */<a name="line.206"></a> +<span class="sourceLineNo">207</span> DataType getType();<a name="line.207"></a> +<span class="sourceLineNo">208</span><a name="line.208"></a> +<span class="sourceLineNo">209</span> /**<a name="line.209"></a> +<span class="sourceLineNo">210</span> * The valid types for user to build the cell. Currently, This is subset of {@link KeyValue.Type}.<a name="line.210"></a> +<span class="sourceLineNo">211</span> */<a name="line.211"></a> +<span class="sourceLineNo">212</span> public enum DataType {<a name="line.212"></a> +<span class="sourceLineNo">213</span> Put((byte) 4),<a name="line.213"></a> +<span class="sourceLineNo">214</span><a name="line.214"></a> +<span class="sourceLineNo">215</span> Delete((byte) 8),<a name="line.215"></a> +<span class="sourceLineNo">216</span><a name="line.216"></a> +<span class="sourceLineNo">217</span> DeleteFamilyVersion((byte) 10),<a name="line.217"></a> +<span class="sourceLineNo">218</span><a name="line.218"></a> +<span class="sourceLineNo">219</span> DeleteColumn((byte) 12),<a name="line.219"></a> +<span class="sourceLineNo">220</span><a name="line.220"></a> +<span class="sourceLineNo">221</span> DeleteFamily((byte) 14);<a name="line.221"></a> +<span class="sourceLineNo">222</span><a name="line.222"></a> +<span class="sourceLineNo">223</span> private final byte code;<a name="line.223"></a> +<span class="sourceLineNo">224</span><a name="line.224"></a> +<span class="sourceLineNo">225</span> DataType(final byte c) {<a name="line.225"></a> +<span class="sourceLineNo">226</span> this.code = c;<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> public byte getCode() {<a name="line.229"></a> +<span class="sourceLineNo">230</span> return this.code;<a name="line.230"></a> +<span class="sourceLineNo">231</span> }<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> http://git-wip-us.apache.org/repos/asf/hbase-site/blob/dad9a249/devapidocs/src-html/org/apache/hadoop/hbase/CellBuilder.DataType.html ---------------------------------------------------------------------- diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/CellBuilder.DataType.html b/devapidocs/src-html/org/apache/hadoop/hbase/CellBuilder.DataType.html deleted file mode 100644 index 69b6d44..0000000 --- a/devapidocs/src-html/org/apache/hadoop/hbase/CellBuilder.DataType.html +++ /dev/null @@ -1,136 +0,0 @@ -<!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><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 org.apache.yetus.audience.InterfaceAudience;<a name="line.21"></a> -<span class="sourceLineNo">022</span><a name="line.22"></a> -<span class="sourceLineNo">023</span>/**<a name="line.23"></a> -<span class="sourceLineNo">024</span> * Use {@link CellBuilderFactory} to get CellBuilder instance.<a name="line.24"></a> -<span class="sourceLineNo">025</span> */<a name="line.25"></a> -<span class="sourceLineNo">026</span>@InterfaceAudience.Public<a name="line.26"></a> -<span class="sourceLineNo">027</span>public interface CellBuilder {<a name="line.27"></a> -<span class="sourceLineNo">028</span><a name="line.28"></a> -<span class="sourceLineNo">029</span> /**<a name="line.29"></a> -<span class="sourceLineNo">030</span> * The valid types for user to build the cell.<a name="line.30"></a> -<span class="sourceLineNo">031</span> * Currently, This is subset of {@link KeyValue.Type}.<a name="line.31"></a> -<span class="sourceLineNo">032</span> */<a name="line.32"></a> -<span class="sourceLineNo">033</span> enum DataType {<a name="line.33"></a> -<span class="sourceLineNo">034</span> Put,<a name="line.34"></a> -<span class="sourceLineNo">035</span> Delete,<a name="line.35"></a> -<span class="sourceLineNo">036</span> DeleteFamilyVersion,<a name="line.36"></a> -<span class="sourceLineNo">037</span> DeleteColumn,<a name="line.37"></a> -<span class="sourceLineNo">038</span> DeleteFamily<a name="line.38"></a> -<span class="sourceLineNo">039</span> }<a name="line.39"></a> -<span class="sourceLineNo">040</span><a name="line.40"></a> -<span class="sourceLineNo">041</span> CellBuilder setRow(final byte[] row);<a name="line.41"></a> -<span class="sourceLineNo">042</span> CellBuilder setRow(final byte[] row, final int rOffset, final int rLength);<a name="line.42"></a> -<span class="sourceLineNo">043</span><a name="line.43"></a> -<span class="sourceLineNo">044</span> CellBuilder setFamily(final byte[] family);<a name="line.44"></a> -<span class="sourceLineNo">045</span> CellBuilder setFamily(final byte[] family, final int fOffset, final int fLength);<a name="line.45"></a> -<span class="sourceLineNo">046</span><a name="line.46"></a> -<span class="sourceLineNo">047</span> CellBuilder setQualifier(final byte[] qualifier);<a name="line.47"></a> -<span class="sourceLineNo">048</span> CellBuilder setQualifier(final byte[] qualifier, final int qOffset, final int qLength);<a name="line.48"></a> -<span class="sourceLineNo">049</span><a name="line.49"></a> -<span class="sourceLineNo">050</span> CellBuilder setTimestamp(final long timestamp);<a name="line.50"></a> -<span class="sourceLineNo">051</span><a name="line.51"></a> -<span class="sourceLineNo">052</span> CellBuilder setType(final DataType type);<a name="line.52"></a> -<span class="sourceLineNo">053</span><a name="line.53"></a> -<span class="sourceLineNo">054</span> CellBuilder setValue(final byte[] value);<a name="line.54"></a> -<span class="sourceLineNo">055</span> CellBuilder setValue(final byte[] value, final int vOffset, final int vLength);<a name="line.55"></a> -<span class="sourceLineNo">056</span><a name="line.56"></a> -<span class="sourceLineNo">057</span> Cell build();<a name="line.57"></a> -<span class="sourceLineNo">058</span><a name="line.58"></a> -<span class="sourceLineNo">059</span> /**<a name="line.59"></a> -<span class="sourceLineNo">060</span> * Remove all internal elements from builder.<a name="line.60"></a> -<span class="sourceLineNo">061</span> * @return this<a name="line.61"></a> -<span class="sourceLineNo">062</span> */<a name="line.62"></a> -<span class="sourceLineNo">063</span> CellBuilder clear();<a name="line.63"></a> -<span class="sourceLineNo">064</span>}<a name="line.64"></a> - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -</pre> -</div> -</body> -</html> http://git-wip-us.apache.org/repos/asf/hbase-site/blob/dad9a249/devapidocs/src-html/org/apache/hadoop/hbase/CellBuilder.html ---------------------------------------------------------------------- diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/CellBuilder.html b/devapidocs/src-html/org/apache/hadoop/hbase/CellBuilder.html index 69b6d44..783da41 100644 --- a/devapidocs/src-html/org/apache/hadoop/hbase/CellBuilder.html +++ b/devapidocs/src-html/org/apache/hadoop/hbase/CellBuilder.html @@ -34,42 +34,30 @@ <span class="sourceLineNo">026</span>@InterfaceAudience.Public<a name="line.26"></a> <span class="sourceLineNo">027</span>public interface CellBuilder {<a name="line.27"></a> <span class="sourceLineNo">028</span><a name="line.28"></a> -<span class="sourceLineNo">029</span> /**<a name="line.29"></a> -<span class="sourceLineNo">030</span> * The valid types for user to build the cell.<a name="line.30"></a> -<span class="sourceLineNo">031</span> * Currently, This is subset of {@link KeyValue.Type}.<a name="line.31"></a> -<span class="sourceLineNo">032</span> */<a name="line.32"></a> -<span class="sourceLineNo">033</span> enum DataType {<a name="line.33"></a> -<span class="sourceLineNo">034</span> Put,<a name="line.34"></a> -<span class="sourceLineNo">035</span> Delete,<a name="line.35"></a> -<span class="sourceLineNo">036</span> DeleteFamilyVersion,<a name="line.36"></a> -<span class="sourceLineNo">037</span> DeleteColumn,<a name="line.37"></a> -<span class="sourceLineNo">038</span> DeleteFamily<a name="line.38"></a> -<span class="sourceLineNo">039</span> }<a name="line.39"></a> -<span class="sourceLineNo">040</span><a name="line.40"></a> -<span class="sourceLineNo">041</span> CellBuilder setRow(final byte[] row);<a name="line.41"></a> -<span class="sourceLineNo">042</span> CellBuilder setRow(final byte[] row, final int rOffset, final int rLength);<a 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