http://git-wip-us.apache.org/repos/asf/hbase-site/blob/22cff34f/apidocs/src-html/org/apache/hadoop/hbase/client/Result.html
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diff --git a/apidocs/src-html/org/apache/hadoop/hbase/client/Result.html 
b/apidocs/src-html/org/apache/hadoop/hbase/client/Result.html
index 1a6b0c2..c93b1f5 100644
--- a/apidocs/src-html/org/apache/hadoop/hbase/client/Result.html
+++ b/apidocs/src-html/org/apache/hadoop/hbase/client/Result.html
@@ -32,650 +32,650 @@
 <span class="sourceLineNo">024</span>import java.nio.ByteBuffer;<a 
name="line.24"></a>
 <span class="sourceLineNo">025</span>import java.util.ArrayList;<a 
name="line.25"></a>
 <span class="sourceLineNo">026</span>import java.util.Arrays;<a 
name="line.26"></a>
-<span class="sourceLineNo">027</span>import java.util.Comparator;<a 
name="line.27"></a>
-<span class="sourceLineNo">028</span>import java.util.List;<a 
name="line.28"></a>
-<span class="sourceLineNo">029</span>import java.util.Map;<a 
name="line.29"></a>
-<span class="sourceLineNo">030</span>import java.util.NavigableMap;<a 
name="line.30"></a>
-<span class="sourceLineNo">031</span>import java.util.TreeMap;<a 
name="line.31"></a>
-<span class="sourceLineNo">032</span><a name="line.32"></a>
-<span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.Cell;<a 
name="line.33"></a>
-<span class="sourceLineNo">034</span>import 
org.apache.hadoop.hbase.CellComparator;<a name="line.34"></a>
-<span class="sourceLineNo">035</span>import 
org.apache.hadoop.hbase.CellScannable;<a name="line.35"></a>
-<span class="sourceLineNo">036</span>import 
org.apache.hadoop.hbase.CellScanner;<a name="line.36"></a>
-<span class="sourceLineNo">037</span>import 
org.apache.hadoop.hbase.CellUtil;<a name="line.37"></a>
-<span class="sourceLineNo">038</span>import 
org.apache.hadoop.hbase.HConstants;<a name="line.38"></a>
-<span class="sourceLineNo">039</span>import 
org.apache.hadoop.hbase.KeyValue;<a name="line.39"></a>
-<span class="sourceLineNo">040</span>import 
org.apache.hadoop.hbase.KeyValueUtil;<a name="line.40"></a>
-<span class="sourceLineNo">041</span>import 
org.apache.hadoop.hbase.classification.InterfaceAudience;<a name="line.41"></a>
-<span class="sourceLineNo">042</span>import 
org.apache.hadoop.hbase.classification.InterfaceStability;<a name="line.42"></a>
-<span class="sourceLineNo">043</span>import 
org.apache.hadoop.hbase.util.Bytes;<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> * Single row result of a {@link Get} or 
{@link Scan} query.&lt;p&gt;<a name="line.46"></a>
-<span class="sourceLineNo">047</span> *<a name="line.47"></a>
-<span class="sourceLineNo">048</span> * This class is &lt;b&gt;NOT THREAD 
SAFE&lt;/b&gt;.&lt;p&gt;<a name="line.48"></a>
+<span class="sourceLineNo">027</span>import java.util.Collections;<a 
name="line.27"></a>
+<span class="sourceLineNo">028</span>import java.util.Comparator;<a 
name="line.28"></a>
+<span class="sourceLineNo">029</span>import java.util.Iterator;<a 
name="line.29"></a>
+<span class="sourceLineNo">030</span>import java.util.List;<a 
name="line.30"></a>
+<span class="sourceLineNo">031</span>import java.util.Map;<a 
name="line.31"></a>
+<span class="sourceLineNo">032</span>import java.util.NavigableMap;<a 
name="line.32"></a>
+<span class="sourceLineNo">033</span>import java.util.TreeMap;<a 
name="line.33"></a>
+<span class="sourceLineNo">034</span><a name="line.34"></a>
+<span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.Cell;<a 
name="line.35"></a>
+<span class="sourceLineNo">036</span>import 
org.apache.hadoop.hbase.CellComparator;<a name="line.36"></a>
+<span class="sourceLineNo">037</span>import 
org.apache.hadoop.hbase.CellScannable;<a name="line.37"></a>
+<span class="sourceLineNo">038</span>import 
org.apache.hadoop.hbase.CellScanner;<a name="line.38"></a>
+<span class="sourceLineNo">039</span>import 
org.apache.hadoop.hbase.CellUtil;<a name="line.39"></a>
+<span class="sourceLineNo">040</span>import 
org.apache.hadoop.hbase.HConstants;<a name="line.40"></a>
+<span class="sourceLineNo">041</span>import 
org.apache.hadoop.hbase.KeyValue;<a name="line.41"></a>
+<span class="sourceLineNo">042</span>import 
org.apache.hadoop.hbase.KeyValueUtil;<a name="line.42"></a>
+<span class="sourceLineNo">043</span>import 
org.apache.hadoop.hbase.classification.InterfaceAudience;<a name="line.43"></a>
+<span class="sourceLineNo">044</span>import 
org.apache.hadoop.hbase.classification.InterfaceStability;<a name="line.44"></a>
+<span class="sourceLineNo">045</span>import 
org.apache.hadoop.hbase.util.Bytes;<a name="line.45"></a>
+<span class="sourceLineNo">046</span><a name="line.46"></a>
+<span class="sourceLineNo">047</span>/**<a name="line.47"></a>
+<span class="sourceLineNo">048</span> * Single row result of a {@link Get} or 
{@link Scan} query.&lt;p&gt;<a name="line.48"></a>
 <span class="sourceLineNo">049</span> *<a name="line.49"></a>
-<span class="sourceLineNo">050</span> * Convenience methods are available that 
return various {@link Map}<a name="line.50"></a>
-<span class="sourceLineNo">051</span> * structures and values 
directly.&lt;p&gt;<a name="line.51"></a>
-<span class="sourceLineNo">052</span> *<a name="line.52"></a>
-<span class="sourceLineNo">053</span> * To get a complete mapping of all cells 
in the Result, which can include<a name="line.53"></a>
-<span class="sourceLineNo">054</span> * multiple families and multiple 
versions, use {@link #getMap()}.&lt;p&gt;<a name="line.54"></a>
-<span class="sourceLineNo">055</span> *<a name="line.55"></a>
-<span class="sourceLineNo">056</span> * To get a mapping of each family to its 
columns (qualifiers and values),<a name="line.56"></a>
-<span class="sourceLineNo">057</span> * including only the latest version of 
each, use {@link #getNoVersionMap()}.<a name="line.57"></a>
-<span class="sourceLineNo">058</span> *<a name="line.58"></a>
-<span class="sourceLineNo">059</span> * To get a mapping of qualifiers to 
latest values for an individual family use<a name="line.59"></a>
-<span class="sourceLineNo">060</span> * {@link 
#getFamilyMap(byte[])}.&lt;p&gt;<a name="line.60"></a>
-<span class="sourceLineNo">061</span> *<a name="line.61"></a>
-<span class="sourceLineNo">062</span> * To get the latest value for a specific 
family and qualifier use<a name="line.62"></a>
-<span class="sourceLineNo">063</span> * {@link #getValue(byte[], byte[])}.<a 
name="line.63"></a>
-<span class="sourceLineNo">064</span> *<a name="line.64"></a>
-<span class="sourceLineNo">065</span> * A Result is backed by an array of 
{@link Cell} objects, each representing<a name="line.65"></a>
-<span class="sourceLineNo">066</span> * an HBase cell defined by the row, 
family, qualifier, timestamp, and value.&lt;p&gt;<a name="line.66"></a>
-<span class="sourceLineNo">067</span> *<a name="line.67"></a>
-<span class="sourceLineNo">068</span> * The underlying {@link Cell} objects 
can be accessed through the method {@link #listCells()}.<a name="line.68"></a>
-<span class="sourceLineNo">069</span> * This will create a List from the 
internal Cell []. Better is to exploit the fact that<a name="line.69"></a>
-<span class="sourceLineNo">070</span> * a new Result instance is a primed 
{@link CellScanner}; just call {@link #advance()} and<a name="line.70"></a>
-<span class="sourceLineNo">071</span> * {@link #current()} to iterate over 
Cells as you would any {@link CellScanner}.<a name="line.71"></a>
-<span class="sourceLineNo">072</span> * Call {@link #cellScanner()} to reset 
should you need to iterate the same Result over again<a name="line.72"></a>
-<span class="sourceLineNo">073</span> * ({@link CellScanner}s are one-shot).<a 
name="line.73"></a>
-<span class="sourceLineNo">074</span> *<a name="line.74"></a>
-<span class="sourceLineNo">075</span> * If you need to overwrite a Result with 
another Result instance -- as in the old 'mapred'<a name="line.75"></a>
-<span class="sourceLineNo">076</span> * RecordReader next invocations -- then 
create an empty Result with the null constructor and<a name="line.76"></a>
-<span class="sourceLineNo">077</span> * in then use {@link 
#copyFrom(Result)}<a name="line.77"></a>
-<span class="sourceLineNo">078</span> */<a name="line.78"></a>
-<span class="sourceLineNo">079</span>@InterfaceAudience.Public<a 
name="line.79"></a>
-<span class="sourceLineNo">080</span>@InterfaceStability.Stable<a 
name="line.80"></a>
-<span class="sourceLineNo">081</span>public class Result implements 
CellScannable, CellScanner {<a name="line.81"></a>
-<span class="sourceLineNo">082</span>  private Cell[] cells;<a 
name="line.82"></a>
-<span class="sourceLineNo">083</span>  private Boolean exists; // if the query 
was just to check existence.<a name="line.83"></a>
-<span class="sourceLineNo">084</span>  private boolean stale = false;<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>   * See {@link 
#mayHaveMoreCellsInRow()}. And please notice that, The client side 
implementation<a name="line.87"></a>
-<span class="sourceLineNo">088</span>   * should also check for row key change 
to determine if a Result is the last one for a row.<a name="line.88"></a>
-<span class="sourceLineNo">089</span>   */<a name="line.89"></a>
-<span class="sourceLineNo">090</span>  private boolean mayHaveMoreCellsInRow = 
false;<a name="line.90"></a>
-<span class="sourceLineNo">091</span>  // We're not using java serialization.  
Transient here is just a marker to say<a name="line.91"></a>
-<span class="sourceLineNo">092</span>  // that this is where we cache row if 
we're ever asked for it.<a name="line.92"></a>
-<span class="sourceLineNo">093</span>  private transient byte [] row = null;<a 
name="line.93"></a>
-<span class="sourceLineNo">094</span>  // Ditto for familyMap.  It can be 
composed on fly from passed in kvs.<a name="line.94"></a>
-<span class="sourceLineNo">095</span>  private transient 
NavigableMap&lt;byte[], NavigableMap&lt;byte[], NavigableMap&lt;Long, 
byte[]&gt;&gt;&gt;<a name="line.95"></a>
-<span class="sourceLineNo">096</span>      familyMap = null;<a 
name="line.96"></a>
-<span class="sourceLineNo">097</span><a name="line.97"></a>
-<span class="sourceLineNo">098</span>  private static 
ThreadLocal&lt;byte[]&gt; localBuffer = new ThreadLocal&lt;byte[]&gt;();<a 
name="line.98"></a>
-<span class="sourceLineNo">099</span>  private static final int PAD_WIDTH = 
128;<a name="line.99"></a>
-<span class="sourceLineNo">100</span>  public static final Result EMPTY_RESULT 
= new Result(true);<a name="line.100"></a>
-<span class="sourceLineNo">101</span><a name="line.101"></a>
-<span class="sourceLineNo">102</span>  private final static int 
INITIAL_CELLSCANNER_INDEX = -1;<a name="line.102"></a>
-<span class="sourceLineNo">103</span><a name="line.103"></a>
-<span class="sourceLineNo">104</span>  /**<a name="line.104"></a>
-<span class="sourceLineNo">105</span>   * Index for where we are when Result 
is acting as a {@link CellScanner}.<a name="line.105"></a>
-<span class="sourceLineNo">106</span>   */<a name="line.106"></a>
-<span class="sourceLineNo">107</span>  private int cellScannerIndex = 
INITIAL_CELLSCANNER_INDEX;<a name="line.107"></a>
-<span class="sourceLineNo">108</span>  private RegionLoadStats stats;<a 
name="line.108"></a>
-<span class="sourceLineNo">109</span><a name="line.109"></a>
-<span class="sourceLineNo">110</span>  private final boolean readonly;<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>   * Creates an empty Result w/ no 
KeyValue payload; returns null if you call {@link #rawCells()}.<a 
name="line.113"></a>
-<span class="sourceLineNo">114</span>   * Use this to represent no results if 
{@code null} won't do or in old 'mapred' as opposed<a name="line.114"></a>
-<span class="sourceLineNo">115</span>   * to 'mapreduce' package MapReduce 
where you need to overwrite a Result instance with a<a name="line.115"></a>
-<span class="sourceLineNo">116</span>   * {@link #copyFrom(Result)} call.<a 
name="line.116"></a>
-<span class="sourceLineNo">117</span>   */<a name="line.117"></a>
-<span class="sourceLineNo">118</span>  public Result() {<a name="line.118"></a>
-<span class="sourceLineNo">119</span>    this(false);<a name="line.119"></a>
-<span class="sourceLineNo">120</span>  }<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>   * Allows to construct special purpose 
immutable Result objects,<a name="line.123"></a>
-<span class="sourceLineNo">124</span>   * such as EMPTY_RESULT.<a 
name="line.124"></a>
-<span class="sourceLineNo">125</span>   * @param readonly whether this Result 
instance is readonly<a name="line.125"></a>
-<span class="sourceLineNo">126</span>   */<a name="line.126"></a>
-<span class="sourceLineNo">127</span>  private Result(boolean readonly) {<a 
name="line.127"></a>
-<span class="sourceLineNo">128</span>    this.readonly = readonly;<a 
name="line.128"></a>
-<span class="sourceLineNo">129</span>  }<a name="line.129"></a>
-<span class="sourceLineNo">130</span><a name="line.130"></a>
-<span class="sourceLineNo">131</span>  /**<a name="line.131"></a>
-<span class="sourceLineNo">132</span>   * Instantiate a Result with the 
specified List of KeyValues.<a name="line.132"></a>
-<span class="sourceLineNo">133</span>   * 
&lt;br&gt;&lt;strong&gt;Note:&lt;/strong&gt; You must ensure that the keyvalues 
are already sorted.<a name="line.133"></a>
-<span class="sourceLineNo">134</span>   * @param cells List of cells<a 
name="line.134"></a>
-<span class="sourceLineNo">135</span>   */<a name="line.135"></a>
-<span class="sourceLineNo">136</span>  public static Result 
create(List&lt;Cell&gt; cells) {<a name="line.136"></a>
-<span class="sourceLineNo">137</span>    return create(cells, null);<a 
name="line.137"></a>
-<span class="sourceLineNo">138</span>  }<a name="line.138"></a>
-<span class="sourceLineNo">139</span><a name="line.139"></a>
-<span class="sourceLineNo">140</span>  public static Result 
create(List&lt;Cell&gt; cells, Boolean exists) {<a name="line.140"></a>
-<span class="sourceLineNo">141</span>    return create(cells, exists, 
false);<a name="line.141"></a>
-<span class="sourceLineNo">142</span>  }<a name="line.142"></a>
-<span class="sourceLineNo">143</span><a name="line.143"></a>
-<span class="sourceLineNo">144</span>  public static Result 
create(List&lt;Cell&gt; cells, Boolean exists, boolean stale) {<a 
name="line.144"></a>
-<span class="sourceLineNo">145</span>    return create(cells, exists, stale, 
false);<a name="line.145"></a>
-<span class="sourceLineNo">146</span>  }<a name="line.146"></a>
-<span class="sourceLineNo">147</span><a name="line.147"></a>
-<span class="sourceLineNo">148</span>  public static Result 
create(List&lt;Cell&gt; cells, Boolean exists, boolean stale, boolean partial) 
{<a name="line.148"></a>
-<span class="sourceLineNo">149</span>    if (exists != null){<a 
name="line.149"></a>
-<span class="sourceLineNo">150</span>      return new Result(null, exists, 
stale, partial);<a name="line.150"></a>
-<span class="sourceLineNo">151</span>    }<a name="line.151"></a>
-<span class="sourceLineNo">152</span>    return new Result(cells.toArray(new 
Cell[cells.size()]), null, stale, partial);<a name="line.152"></a>
-<span class="sourceLineNo">153</span>  }<a name="line.153"></a>
-<span class="sourceLineNo">154</span><a name="line.154"></a>
-<span class="sourceLineNo">155</span>  /**<a name="line.155"></a>
-<span class="sourceLineNo">156</span>   * Instantiate a Result with the 
specified array of KeyValues.<a name="line.156"></a>
-<span class="sourceLineNo">157</span>   * 
&lt;br&gt;&lt;strong&gt;Note:&lt;/strong&gt; You must ensure that the keyvalues 
are already sorted.<a name="line.157"></a>
-<span class="sourceLineNo">158</span>   * @param cells array of cells<a 
name="line.158"></a>
-<span class="sourceLineNo">159</span>   */<a name="line.159"></a>
-<span class="sourceLineNo">160</span>  public static Result create(Cell[] 
cells) {<a name="line.160"></a>
-<span class="sourceLineNo">161</span>    return create(cells, null, false);<a 
name="line.161"></a>
-<span class="sourceLineNo">162</span>  }<a name="line.162"></a>
-<span class="sourceLineNo">163</span><a name="line.163"></a>
-<span class="sourceLineNo">164</span>  public static Result create(Cell[] 
cells, Boolean exists, boolean stale) {<a name="line.164"></a>
-<span class="sourceLineNo">165</span>    return create(cells, exists, stale, 
false);<a name="line.165"></a>
-<span class="sourceLineNo">166</span>  }<a name="line.166"></a>
-<span class="sourceLineNo">167</span><a name="line.167"></a>
-<span class="sourceLineNo">168</span>  public static Result create(Cell[] 
cells, Boolean exists, boolean stale,<a name="line.168"></a>
-<span class="sourceLineNo">169</span>      boolean mayHaveMoreCellsInRow) {<a 
name="line.169"></a>
-<span class="sourceLineNo">170</span>    if (exists != null) {<a 
name="line.170"></a>
-<span class="sourceLineNo">171</span>      return new Result(null, exists, 
stale, mayHaveMoreCellsInRow);<a name="line.171"></a>
-<span class="sourceLineNo">172</span>    }<a name="line.172"></a>
-<span class="sourceLineNo">173</span>    return new Result(cells, null, stale, 
mayHaveMoreCellsInRow);<a name="line.173"></a>
-<span class="sourceLineNo">174</span>  }<a name="line.174"></a>
-<span class="sourceLineNo">175</span><a name="line.175"></a>
-<span class="sourceLineNo">176</span>  /** Private ctor. Use {@link 
#create(Cell[])}. */<a name="line.176"></a>
-<span class="sourceLineNo">177</span>  private Result(Cell[] cells, Boolean 
exists, boolean stale, boolean mayHaveMoreCellsInRow) {<a name="line.177"></a>
-<span class="sourceLineNo">178</span>    this.cells = cells;<a 
name="line.178"></a>
-<span class="sourceLineNo">179</span>    this.exists = exists;<a 
name="line.179"></a>
-<span class="sourceLineNo">180</span>    this.stale = stale;<a 
name="line.180"></a>
-<span class="sourceLineNo">181</span>    this.mayHaveMoreCellsInRow = 
mayHaveMoreCellsInRow;<a name="line.181"></a>
-<span class="sourceLineNo">182</span>    this.readonly = false;<a 
name="line.182"></a>
-<span class="sourceLineNo">183</span>  }<a name="line.183"></a>
-<span class="sourceLineNo">184</span><a name="line.184"></a>
-<span class="sourceLineNo">185</span>  /**<a name="line.185"></a>
-<span class="sourceLineNo">186</span>   * Method for retrieving the row key 
that corresponds to<a name="line.186"></a>
-<span class="sourceLineNo">187</span>   * the row from which this Result was 
created.<a name="line.187"></a>
-<span class="sourceLineNo">188</span>   * @return row<a name="line.188"></a>
-<span class="sourceLineNo">189</span>   */<a name="line.189"></a>
-<span class="sourceLineNo">190</span>  public byte [] getRow() {<a 
name="line.190"></a>
-<span class="sourceLineNo">191</span>    if (this.row == null) {<a 
name="line.191"></a>
-<span class="sourceLineNo">192</span>      this.row = (this.cells == null || 
this.cells.length == 0) ?<a name="line.192"></a>
-<span class="sourceLineNo">193</span>          null :<a name="line.193"></a>
-<span class="sourceLineNo">194</span>          
CellUtil.cloneRow(this.cells[0]);<a name="line.194"></a>
-<span class="sourceLineNo">195</span>    }<a name="line.195"></a>
-<span class="sourceLineNo">196</span>    return this.row;<a 
name="line.196"></a>
-<span class="sourceLineNo">197</span>  }<a name="line.197"></a>
-<span class="sourceLineNo">198</span><a name="line.198"></a>
-<span class="sourceLineNo">199</span>  /**<a name="line.199"></a>
-<span class="sourceLineNo">200</span>   * Return the array of Cells backing 
this Result instance.<a name="line.200"></a>
-<span class="sourceLineNo">201</span>   *<a name="line.201"></a>
-<span class="sourceLineNo">202</span>   * The array is sorted from smallest 
-&amp;gt; largest using the<a name="line.202"></a>
-<span class="sourceLineNo">203</span>   * {@link CellComparator#COMPARATOR}.<a 
name="line.203"></a>
-<span class="sourceLineNo">204</span>   *<a name="line.204"></a>
-<span class="sourceLineNo">205</span>   * The array only contains what your 
Get or Scan specifies and no more.<a name="line.205"></a>
-<span class="sourceLineNo">206</span>   * For example if you request column 
"A" 1 version you will have at most 1<a name="line.206"></a>
-<span class="sourceLineNo">207</span>   * Cell in the array. If you request 
column "A" with 2 version you will<a name="line.207"></a>
-<span class="sourceLineNo">208</span>   * have at most 2 Cells, with the first 
one being the newer timestamp and<a name="line.208"></a>
-<span class="sourceLineNo">209</span>   * the second being the older timestamp 
(this is the sort order defined by<a name="line.209"></a>
-<span class="sourceLineNo">210</span>   * {@link CellComparator#COMPARATOR}).  
If columns don't exist, they won't be<a name="line.210"></a>
-<span class="sourceLineNo">211</span>   * present in the result. Therefore if 
you ask for 1 version all columns,<a name="line.211"></a>
-<span class="sourceLineNo">212</span>   * it is safe to iterate over this 
array and expect to see 1 Cell for<a name="line.212"></a>
-<span class="sourceLineNo">213</span>   * each column and no more.<a 
name="line.213"></a>
-<span class="sourceLineNo">214</span>   *<a name="line.214"></a>
-<span class="sourceLineNo">215</span>   * This API is faster than using 
getFamilyMap() and getMap()<a name="line.215"></a>
+<span class="sourceLineNo">050</span> * This class is &lt;b&gt;NOT THREAD 
SAFE&lt;/b&gt;.&lt;p&gt;<a name="line.50"></a>
+<span class="sourceLineNo">051</span> *<a name="line.51"></a>
+<span class="sourceLineNo">052</span> * Convenience methods are available that 
return various {@link Map}<a name="line.52"></a>
+<span class="sourceLineNo">053</span> * structures and values 
directly.&lt;p&gt;<a name="line.53"></a>
+<span class="sourceLineNo">054</span> *<a name="line.54"></a>
+<span class="sourceLineNo">055</span> * To get a complete mapping of all cells 
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latest values for an individual family use<a name="line.61"></a>
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#getFamilyMap(byte[])}.&lt;p&gt;<a name="line.62"></a>
+<span class="sourceLineNo">063</span> *<a name="line.63"></a>
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{@link Cell} objects, each representing<a name="line.67"></a>
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family, qualifier, timestamp, and value.&lt;p&gt;<a name="line.68"></a>
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internal Cell []. Better is to exploit the fact that<a name="line.71"></a>
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+<span class="sourceLineNo">074</span> * Call {@link #cellScanner()} to reset 
should you need to iterate the same Result over again<a name="line.74"></a>
+<span class="sourceLineNo">075</span> * ({@link CellScanner}s are one-shot).<a 
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+<span class="sourceLineNo">076</span> *<a name="line.76"></a>
+<span class="sourceLineNo">077</span> * If you need to overwrite a Result with 
another Result instance -- as in the old 'mapred'<a name="line.77"></a>
+<span class="sourceLineNo">078</span> * RecordReader next invocations -- then 
create an empty Result with the null constructor and<a name="line.78"></a>
+<span class="sourceLineNo">079</span> * in then use {@link 
#copyFrom(Result)}<a name="line.79"></a>
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+<span class="sourceLineNo">082</span>@InterfaceStability.Stable<a 
name="line.82"></a>
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CellScannable, CellScanner {<a name="line.83"></a>
+<span class="sourceLineNo">084</span>  private Cell[] cells;<a 
name="line.84"></a>
+<span class="sourceLineNo">085</span>  private Boolean exists; // if the query 
was just to check existence.<a name="line.85"></a>
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name="line.86"></a>
+<span class="sourceLineNo">087</span><a name="line.87"></a>
+<span class="sourceLineNo">088</span>  /**<a name="line.88"></a>
+<span class="sourceLineNo">089</span>   * See {@link 
#mayHaveMoreCellsInRow()}.<a name="line.89"></a>
+<span class="sourceLineNo">090</span>   */<a name="line.90"></a>
+<span class="sourceLineNo">091</span>  private boolean mayHaveMoreCellsInRow = 
false;<a name="line.91"></a>
+<span class="sourceLineNo">092</span>  // We're not using java serialization.  
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+<span class="sourceLineNo">093</span>  // that this is where we cache row if 
we're ever asked for it.<a name="line.93"></a>
+<span class="sourceLineNo">094</span>  private transient byte [] row = null;<a 
name="line.94"></a>
+<span class="sourceLineNo">095</span>  // Ditto for familyMap.  It can be 
composed on fly from passed in kvs.<a name="line.95"></a>
+<span class="sourceLineNo">096</span>  private transient 
NavigableMap&lt;byte[], NavigableMap&lt;byte[], NavigableMap&lt;Long, 
byte[]&gt;&gt;&gt;<a name="line.96"></a>
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name="line.97"></a>
+<span class="sourceLineNo">098</span><a name="line.98"></a>
+<span class="sourceLineNo">099</span>  private static 
ThreadLocal&lt;byte[]&gt; localBuffer = new ThreadLocal&lt;&gt;();<a 
name="line.99"></a>
+<span class="sourceLineNo">100</span>  private static final int PAD_WIDTH = 
128;<a name="line.100"></a>
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= new Result(true);<a name="line.101"></a>
+<span class="sourceLineNo">102</span><a name="line.102"></a>
+<span class="sourceLineNo">103</span>  private final static int 
INITIAL_CELLSCANNER_INDEX = -1;<a name="line.103"></a>
+<span class="sourceLineNo">104</span><a name="line.104"></a>
+<span class="sourceLineNo">105</span>  /**<a name="line.105"></a>
+<span class="sourceLineNo">106</span>   * Index for where we are when Result 
is acting as a {@link CellScanner}.<a name="line.106"></a>
+<span class="sourceLineNo">107</span>   */<a name="line.107"></a>
+<span class="sourceLineNo">108</span>  private int cellScannerIndex = 
INITIAL_CELLSCANNER_INDEX;<a name="line.108"></a>
+<span class="sourceLineNo">109</span>  private RegionLoadStats stats;<a 
name="line.109"></a>
+<span class="sourceLineNo">110</span><a name="line.110"></a>
+<span class="sourceLineNo">111</span>  private final boolean readonly;<a 
name="line.111"></a>
+<span class="sourceLineNo">112</span><a name="line.112"></a>
+<span class="sourceLineNo">113</span>  /**<a name="line.113"></a>
+<span class="sourceLineNo">114</span>   * Creates an empty Result w/ no 
KeyValue payload; returns null if you call {@link #rawCells()}.<a 
name="line.114"></a>
+<span class="sourceLineNo">115</span>   * Use this to represent no results if 
{@code null} won't do or in old 'mapred' as opposed<a name="line.115"></a>
+<span class="sourceLineNo">116</span>   * to 'mapreduce' package MapReduce 
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+<span class="sourceLineNo">117</span>   * {@link #copyFrom(Result)} call.<a 
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+<span class="sourceLineNo">118</span>   */<a name="line.118"></a>
+<span class="sourceLineNo">119</span>  public Result() {<a name="line.119"></a>
+<span class="sourceLineNo">120</span>    this(false);<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>  /**<a name="line.123"></a>
+<span class="sourceLineNo">124</span>   * Allows to construct special purpose 
immutable Result objects,<a name="line.124"></a>
+<span class="sourceLineNo">125</span>   * such as EMPTY_RESULT.<a 
name="line.125"></a>
+<span class="sourceLineNo">126</span>   * @param readonly whether this Result 
instance is readonly<a name="line.126"></a>
+<span class="sourceLineNo">127</span>   */<a name="line.127"></a>
+<span class="sourceLineNo">128</span>  private Result(boolean readonly) {<a 
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+<span class="sourceLineNo">129</span>    this.readonly = readonly;<a 
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+<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>  /**<a name="line.132"></a>
+<span class="sourceLineNo">133</span>   * Instantiate a Result with the 
specified List of KeyValues.<a name="line.133"></a>
+<span class="sourceLineNo">134</span>   * 
&lt;br&gt;&lt;strong&gt;Note:&lt;/strong&gt; You must ensure that the keyvalues 
are already sorted.<a name="line.134"></a>
+<span class="sourceLineNo">135</span>   * @param cells List of cells<a 
name="line.135"></a>
+<span class="sourceLineNo">136</span>   */<a name="line.136"></a>
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create(List&lt;Cell&gt; cells) {<a name="line.137"></a>
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+<span class="sourceLineNo">139</span>  }<a name="line.139"></a>
+<span class="sourceLineNo">140</span><a name="line.140"></a>
+<span class="sourceLineNo">141</span>  public static Result 
create(List&lt;Cell&gt; cells, Boolean exists) {<a name="line.141"></a>
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false);<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>
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create(List&lt;Cell&gt; cells, Boolean exists, boolean stale) {<a 
name="line.145"></a>
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false);<a name="line.146"></a>
+<span class="sourceLineNo">147</span>  }<a name="line.147"></a>
+<span class="sourceLineNo">148</span><a name="line.148"></a>
+<span class="sourceLineNo">149</span>  public static Result 
create(List&lt;Cell&gt; cells, Boolean exists, boolean stale,<a 
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+<span class="sourceLineNo">150</span>      boolean mayHaveMoreCellsInRow) {<a 
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+<span class="sourceLineNo">151</span>    if (exists != null){<a 
name="line.151"></a>
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stale, mayHaveMoreCellsInRow);<a name="line.152"></a>
+<span class="sourceLineNo">153</span>    }<a name="line.153"></a>
+<span class="sourceLineNo">154</span>    return new Result(cells.toArray(new 
Cell[cells.size()]), null, stale, mayHaveMoreCellsInRow);<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>  /**<a name="line.157"></a>
+<span class="sourceLineNo">158</span>   * Instantiate a Result with the 
specified array of KeyValues.<a name="line.158"></a>
+<span class="sourceLineNo">159</span>   * 
&lt;br&gt;&lt;strong&gt;Note:&lt;/strong&gt; You must ensure that the keyvalues 
are already sorted.<a name="line.159"></a>
+<span class="sourceLineNo">160</span>   * @param cells array of cells<a 
name="line.160"></a>
+<span class="sourceLineNo">161</span>   */<a name="line.161"></a>
+<span class="sourceLineNo">162</span>  public static Result create(Cell[] 
cells) {<a name="line.162"></a>
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+<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>  public static Result create(Cell[] 
cells, Boolean exists, boolean stale) {<a name="line.166"></a>
+<span class="sourceLineNo">167</span>    return create(cells, exists, stale, 
false);<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>  public static Result create(Cell[] 
cells, Boolean exists, boolean stale,<a name="line.170"></a>
+<span class="sourceLineNo">171</span>      boolean mayHaveMoreCellsInRow) {<a 
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+<span class="sourceLineNo">172</span>    if (exists != null) {<a 
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stale, mayHaveMoreCellsInRow);<a name="line.173"></a>
+<span class="sourceLineNo">174</span>    }<a name="line.174"></a>
+<span class="sourceLineNo">175</span>    return new Result(cells, null, stale, 
mayHaveMoreCellsInRow);<a name="line.175"></a>
+<span class="sourceLineNo">176</span>  }<a name="line.176"></a>
+<span class="sourceLineNo">177</span><a name="line.177"></a>
+<span class="sourceLineNo">178</span>  /** Private ctor. Use {@link 
#create(Cell[])}. */<a name="line.178"></a>
+<span class="sourceLineNo">179</span>  private Result(Cell[] cells, Boolean 
exists, boolean stale, boolean mayHaveMoreCellsInRow) {<a name="line.179"></a>
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+<span class="sourceLineNo">182</span>    this.stale = stale;<a 
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+<span class="sourceLineNo">183</span>    this.mayHaveMoreCellsInRow = 
mayHaveMoreCellsInRow;<a name="line.183"></a>
+<span class="sourceLineNo">184</span>    this.readonly = false;<a 
name="line.184"></a>
+<span class="sourceLineNo">185</span>  }<a name="line.185"></a>
+<span class="sourceLineNo">186</span><a name="line.186"></a>
+<span class="sourceLineNo">187</span>  /**<a name="line.187"></a>
+<span class="sourceLineNo">188</span>   * Method for retrieving the row key 
that corresponds to<a name="line.188"></a>
+<span class="sourceLineNo">189</span>   * the row from which this Result was 
created.<a name="line.189"></a>
+<span class="sourceLineNo">190</span>   * @return row<a name="line.190"></a>
+<span class="sourceLineNo">191</span>   */<a name="line.191"></a>
+<span class="sourceLineNo">192</span>  public byte [] getRow() {<a 
name="line.192"></a>
+<span class="sourceLineNo">193</span>    if (this.row == null) {<a 
name="line.193"></a>
+<span class="sourceLineNo">194</span>      this.row = (this.cells == null || 
this.cells.length == 0) ?<a name="line.194"></a>
+<span class="sourceLineNo">195</span>          null :<a name="line.195"></a>
+<span class="sourceLineNo">196</span>          
CellUtil.cloneRow(this.cells[0]);<a name="line.196"></a>
+<span class="sourceLineNo">197</span>    }<a name="line.197"></a>
+<span class="sourceLineNo">198</span>    return this.row;<a 
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+<span class="sourceLineNo">199</span>  }<a name="line.199"></a>
+<span class="sourceLineNo">200</span><a name="line.200"></a>
+<span class="sourceLineNo">201</span>  /**<a name="line.201"></a>
+<span class="sourceLineNo">202</span>   * Return the array of Cells backing 
this Result instance.<a name="line.202"></a>
+<span class="sourceLineNo">203</span>   *<a name="line.203"></a>
+<span class="sourceLineNo">204</span>   * The array is sorted from smallest 
-&amp;gt; largest using the<a name="line.204"></a>
+<span class="sourceLineNo">205</span>   * {@link CellComparator#COMPARATOR}.<a 
name="line.205"></a>
+<span class="sourceLineNo">206</span>   *<a name="line.206"></a>
+<span class="sourceLineNo">207</span>   * The array only contains what your 
Get or Scan specifies and no more.<a name="line.207"></a>
+<span class="sourceLineNo">208</span>   * For example if you request column 
"A" 1 version you will have at most 1<a name="line.208"></a>
+<span class="sourceLineNo">209</span>   * Cell in the array. If you request 
column "A" with 2 version you will<a name="line.209"></a>
+<span class="sourceLineNo">210</span>   * have at most 2 Cells, with the first 
one being the newer timestamp and<a name="line.210"></a>
+<span class="sourceLineNo">211</span>   * the second being the older timestamp 
(this is the sort order defined by<a name="line.211"></a>
+<span class="sourceLineNo">212</span>   * {@link CellComparator#COMPARATOR}).  
If columns don't exist, they won't be<a name="line.212"></a>
+<span class="sourceLineNo">213</span>   * present in the result. Therefore if 
you ask for 1 version all columns,<a name="line.213"></a>
+<span class="sourceLineNo">214</span>   * it is safe to iterate over this 
array and expect to see 1 Cell for<a name="line.214"></a>
+<span class="sourceLineNo">215</span>   * each column and no more.<a 
name="line.215"></a>
 <span class="sourceLineNo">216</span>   *<a name="line.216"></a>
-<span class="sourceLineNo">217</span>   * @return array of Cells; can be null 
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-<span class="sourceLineNo">218</span>   */<a name="line.218"></a>
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-<span class="sourceLineNo">222</span><a name="line.222"></a>
-<span class="sourceLineNo">223</span>  /**<a name="line.223"></a>
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in this result.<a name="line.224"></a>
-<span class="sourceLineNo">225</span>   *<a name="line.225"></a>
-<span class="sourceLineNo">226</span>   * Since HBase 0.20.5 this is 
equivalent to raw().<a name="line.226"></a>
+<span class="sourceLineNo">217</span>   * This API is faster than using 
getFamilyMap() and getMap()<a name="line.217"></a>
+<span class="sourceLineNo">218</span>   *<a name="line.218"></a>
+<span class="sourceLineNo">219</span>   * @return array of Cells; can be null 
if nothing in the result<a name="line.219"></a>
+<span class="sourceLineNo">220</span>   */<a name="line.220"></a>
+<span class="sourceLineNo">221</span>  public Cell[] rawCells() {<a 
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+<span class="sourceLineNo">222</span>    return cells;<a name="line.222"></a>
+<span class="sourceLineNo">223</span>  }<a name="line.223"></a>
+<span class="sourceLineNo">224</span><a name="line.224"></a>
+<span class="sourceLineNo">225</span>  /**<a name="line.225"></a>
+<span class="sourceLineNo">226</span>   * Create a sorted list of the Cell's 
in this result.<a name="line.226"></a>
 <span class="sourceLineNo">227</span>   *<a name="line.227"></a>
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-<span class="sourceLineNo">229</span>   */<a name="line.229"></a>
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Arrays.asList(rawCells());<a name="line.231"></a>
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-<span class="sourceLineNo">233</span><a name="line.233"></a>
-<span class="sourceLineNo">234</span>  /**<a name="line.234"></a>
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column.  The Cells are sorted in<a name="line.235"></a>
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name="line.236"></a>
-<span class="sourceLineNo">237</span>   * the list is the most recent column.  
If the query (Scan or Get) only<a name="line.237"></a>
-<span class="sourceLineNo">238</span>   * requested 1 version the list will 
contain at most 1 entry.  If the column<a name="line.238"></a>
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(either the column does not exist<a name="line.239"></a>
-<span class="sourceLineNo">240</span>   * or the column was not selected in 
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-<span class="sourceLineNo">241</span>   *<a name="line.241"></a>
-<span class="sourceLineNo">242</span>   * Also see getColumnLatest which 
returns just a Cell<a name="line.242"></a>
+<span class="sourceLineNo">228</span>   * Since HBase 0.20.5 this is 
equivalent to raw().<a name="line.228"></a>
+<span class="sourceLineNo">229</span>   *<a name="line.229"></a>
+<span class="sourceLineNo">230</span>   * @return sorted List of Cells; can be 
null if no cells in the result<a name="line.230"></a>
+<span class="sourceLineNo">231</span>   */<a name="line.231"></a>
+<span class="sourceLineNo">232</span>  public List&lt;Cell&gt; listCells() {<a 
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+<span class="sourceLineNo">233</span>    return isEmpty()? null: 
Arrays.asList(rawCells());<a name="line.233"></a>
+<span class="sourceLineNo">234</span>  }<a name="line.234"></a>
+<span class="sourceLineNo">235</span><a name="line.235"></a>
+<span class="sourceLineNo">236</span>  /**<a name="line.236"></a>
+<span class="sourceLineNo">237</span>   * Return the Cells for the specific 
column.  The Cells are sorted in<a name="line.237"></a>
+<span class="sourceLineNo">238</span>   * the {@link 
CellComparator#COMPARATOR} order.  That implies the first entry in<a 
name="line.238"></a>
+<span class="sourceLineNo">239</span>   * the list is the most recent column.  
If the query (Scan or Get) only<a name="line.239"></a>
+<span class="sourceLineNo">240</span>   * requested 1 version the list will 
contain at most 1 entry.  If the column<a name="line.240"></a>
+<span class="sourceLineNo">241</span>   * did not exist in the result set 
(either the column does not exist<a name="line.241"></a>
+<span class="sourceLineNo">242</span>   * or the column was not selected in 
the query) the list will be empty.<a name="line.242"></a>
 <span class="sourceLineNo">243</span>   *<a name="line.243"></a>
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-<span class="sourceLineNo">245</span>   * @param qualifier<a 
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column or empty list if the column<a name="line.246"></a>
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-<span class="sourceLineNo">248</span>   */<a name="line.248"></a>
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-<span class="sourceLineNo">251</span><a name="line.251"></a>
-<span class="sourceLineNo">252</span>    Cell [] kvs = rawCells();<a 
name="line.252"></a>
+<span class="sourceLineNo">244</span>   * Also see getColumnLatest which 
returns just a Cell<a name="line.244"></a>
+<span class="sourceLineNo">245</span>   *<a name="line.245"></a>
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CellUtil.createFirstOnRow(kvs[0].getRowArray(),<a name="line.289"></a>
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+<span class="sourceLineNo">475</span>   * @return 
&lt;code&gt;true&lt;/code&gt; if a value was found, 
&lt;code&gt;false&lt;/code&gt; otherwise<a name="line.475"></a>
+<span class="sourceLineNo">476</span>   *<a name="line.476"></a>
+<span class="sourceLineNo">477</span>   * @throws BufferOverflowException 
there is insufficient space remaining in the buffer<a name="line.477"></a>
+<span class="sourceLineNo">478</span>   */<a name="line.478"></a>
+<span class="sourceLineNo">479</span>  public boolean loadValue(byte [] 
family, byte [] qualifier, ByteBuffer dst)<a name="line.479"></a>
+<span class="sourceLineNo">480</span>          throws BufferOverflowException 
{<a name="line.480"></a>
+<span class="sourceLineNo">481</span>    return loadValue(family, 0, 
family.length, qualifier, 0, qualifier.length, dst);<a name="line.481"></a>
+<span class="sourceLineNo">482</span>  }<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>   * Loads the latest version of the 
specified column into the provided &lt;code&gt;ByteBuffer&lt;/code&gt;.<a 
name="line.485"></a>
+<span class="sourceLineNo">486</span>   * &lt;p&gt;<a name="line.486"></a>
+<span class="sourceLineNo">487</span>   * Does not clear or fl

<TRUNCATED>

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