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From mi...@apache.org
Subject [22/51] [partial] hbase-site git commit: Published site at 7dabcf23e8dd53f563981e1e03f82336fc0a44da.
Date Fri, 04 Mar 2016 17:51:06 GMT
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/3e48e84d/devapidocs/src-html/org/apache/hadoop/hbase/codec/prefixtree/PrefixTreeSeeker.OffheapPrefixTreeCell.html
----------------------------------------------------------------------
diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/codec/prefixtree/PrefixTreeSeeker.OffheapPrefixTreeCell.html b/devapidocs/src-html/org/apache/hadoop/hbase/codec/prefixtree/PrefixTreeSeeker.OffheapPrefixTreeCell.html
index 8e94eb6..6e7cf22 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/codec/prefixtree/PrefixTreeSeeker.OffheapPrefixTreeCell.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/codec/prefixtree/PrefixTreeSeeker.OffheapPrefixTreeCell.html
@@ -33,566 +33,565 @@
 <span class="sourceLineNo">025</span>import org.apache.hadoop.hbase.CellComparator;<a name="line.25"></a>
 <span class="sourceLineNo">026</span>import org.apache.hadoop.hbase.CellUtil;<a name="line.26"></a>
 <span class="sourceLineNo">027</span>import org.apache.hadoop.hbase.KeyValue.Type;<a name="line.27"></a>
-<span class="sourceLineNo">028</span>import org.apache.hadoop.hbase.KeyValueUtil;<a name="line.28"></a>
-<span class="sourceLineNo">029</span>import org.apache.hadoop.hbase.SettableSequenceId;<a name="line.29"></a>
-<span class="sourceLineNo">030</span>import org.apache.hadoop.hbase.classification.InterfaceAudience;<a name="line.30"></a>
-<span class="sourceLineNo">031</span>import org.apache.hadoop.hbase.codec.prefixtree.decode.DecoderFactory;<a name="line.31"></a>
-<span class="sourceLineNo">032</span>import org.apache.hadoop.hbase.codec.prefixtree.decode.PrefixTreeArraySearcher;<a name="line.32"></a>
-<span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.codec.prefixtree.scanner.CellScannerPosition;<a name="line.33"></a>
-<span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.io.HeapSize;<a name="line.34"></a>
-<span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.io.encoding.DataBlockEncoder.EncodedSeeker;<a name="line.35"></a>
-<span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.nio.ByteBuff;<a name="line.36"></a>
-<span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.util.ByteBufferUtils;<a name="line.37"></a>
-<span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.38"></a>
-<span class="sourceLineNo">039</span>import org.apache.hadoop.hbase.util.ClassSize;<a name="line.39"></a>
-<span class="sourceLineNo">040</span><a name="line.40"></a>
-<span class="sourceLineNo">041</span>/**<a name="line.41"></a>
-<span class="sourceLineNo">042</span> * These methods have the same definition as any implementation of the EncodedSeeker.<a name="line.42"></a>
-<span class="sourceLineNo">043</span> *<a name="line.43"></a>
-<span class="sourceLineNo">044</span> * In the future, the EncodedSeeker could be modified to work with the Cell interface directly.  It<a name="line.44"></a>
-<span class="sourceLineNo">045</span> * currently returns a new KeyValue object each time getKeyValue is called.  This is not horrible,<a name="line.45"></a>
-<span class="sourceLineNo">046</span> * but in order to create a new KeyValue object, we must first allocate a new byte[] and copy in<a name="line.46"></a>
-<span class="sourceLineNo">047</span> * the data from the PrefixTreeCell.  It is somewhat heavyweight right now.<a name="line.47"></a>
-<span class="sourceLineNo">048</span> */<a name="line.48"></a>
-<span class="sourceLineNo">049</span>@InterfaceAudience.Private<a name="line.49"></a>
-<span class="sourceLineNo">050</span>public class PrefixTreeSeeker implements EncodedSeeker {<a name="line.50"></a>
-<span class="sourceLineNo">051</span><a name="line.51"></a>
-<span class="sourceLineNo">052</span>  protected ByteBuffer block;<a name="line.52"></a>
-<span class="sourceLineNo">053</span>  protected boolean includeMvccVersion;<a name="line.53"></a>
-<span class="sourceLineNo">054</span>  protected PrefixTreeArraySearcher ptSearcher;<a name="line.54"></a>
-<span class="sourceLineNo">055</span><a name="line.55"></a>
-<span class="sourceLineNo">056</span>  public PrefixTreeSeeker(boolean includeMvccVersion) {<a name="line.56"></a>
-<span class="sourceLineNo">057</span>    this.includeMvccVersion = includeMvccVersion;<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>  @Override<a name="line.60"></a>
-<span class="sourceLineNo">061</span>  public void setCurrentBuffer(ByteBuff fullBlockBuffer) {<a name="line.61"></a>
-<span class="sourceLineNo">062</span>    ptSearcher = DecoderFactory.checkOut(fullBlockBuffer, includeMvccVersion);<a name="line.62"></a>
-<span class="sourceLineNo">063</span>    rewind();<a name="line.63"></a>
-<span class="sourceLineNo">064</span>  }<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>   * &lt;p&gt;<a name="line.67"></a>
-<span class="sourceLineNo">068</span>   * Currently unused.<a name="line.68"></a>
-<span class="sourceLineNo">069</span>   * &lt;/p&gt;<a name="line.69"></a>
-<span class="sourceLineNo">070</span>   * TODO performance leak. should reuse the searchers. hbase does not currently have a hook where<a name="line.70"></a>
-<span class="sourceLineNo">071</span>   * this can be called<a name="line.71"></a>
-<span class="sourceLineNo">072</span>   */<a name="line.72"></a>
-<span class="sourceLineNo">073</span>  public void releaseCurrentSearcher(){<a name="line.73"></a>
-<span class="sourceLineNo">074</span>    DecoderFactory.checkIn(ptSearcher);<a name="line.74"></a>
-<span class="sourceLineNo">075</span>  }<a name="line.75"></a>
+<span class="sourceLineNo">028</span>import org.apache.hadoop.hbase.SettableSequenceId;<a name="line.28"></a>
+<span class="sourceLineNo">029</span>import org.apache.hadoop.hbase.classification.InterfaceAudience;<a name="line.29"></a>
+<span class="sourceLineNo">030</span>import org.apache.hadoop.hbase.codec.prefixtree.decode.DecoderFactory;<a name="line.30"></a>
+<span class="sourceLineNo">031</span>import org.apache.hadoop.hbase.codec.prefixtree.decode.PrefixTreeArraySearcher;<a name="line.31"></a>
+<span class="sourceLineNo">032</span>import org.apache.hadoop.hbase.codec.prefixtree.scanner.CellScannerPosition;<a name="line.32"></a>
+<span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.io.HeapSize;<a name="line.33"></a>
+<span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.io.encoding.DataBlockEncoder.EncodedSeeker;<a name="line.34"></a>
+<span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.nio.ByteBuff;<a name="line.35"></a>
+<span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.util.ByteBufferUtils;<a name="line.36"></a>
+<span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.37"></a>
+<span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.util.ClassSize;<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> * These methods have the same definition as any implementation of the EncodedSeeker.<a name="line.41"></a>
+<span class="sourceLineNo">042</span> *<a name="line.42"></a>
+<span class="sourceLineNo">043</span> * In the future, the EncodedSeeker could be modified to work with the Cell interface directly.  It<a name="line.43"></a>
+<span class="sourceLineNo">044</span> * currently returns a new KeyValue object each time getKeyValue is called.  This is not horrible,<a name="line.44"></a>
+<span class="sourceLineNo">045</span> * but in order to create a new KeyValue object, we must first allocate a new byte[] and copy in<a name="line.45"></a>
+<span class="sourceLineNo">046</span> * the data from the PrefixTreeCell.  It is somewhat heavyweight right now.<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 PrefixTreeSeeker implements EncodedSeeker {<a name="line.49"></a>
+<span class="sourceLineNo">050</span><a name="line.50"></a>
+<span class="sourceLineNo">051</span>  protected ByteBuffer block;<a name="line.51"></a>
+<span class="sourceLineNo">052</span>  protected boolean includeMvccVersion;<a name="line.52"></a>
+<span class="sourceLineNo">053</span>  protected PrefixTreeArraySearcher ptSearcher;<a name="line.53"></a>
+<span class="sourceLineNo">054</span><a name="line.54"></a>
+<span class="sourceLineNo">055</span>  public PrefixTreeSeeker(boolean includeMvccVersion) {<a name="line.55"></a>
+<span class="sourceLineNo">056</span>    this.includeMvccVersion = includeMvccVersion;<a name="line.56"></a>
+<span class="sourceLineNo">057</span>  }<a name="line.57"></a>
+<span class="sourceLineNo">058</span><a name="line.58"></a>
+<span class="sourceLineNo">059</span>  @Override<a name="line.59"></a>
+<span class="sourceLineNo">060</span>  public void setCurrentBuffer(ByteBuff fullBlockBuffer) {<a name="line.60"></a>
+<span class="sourceLineNo">061</span>    ptSearcher = DecoderFactory.checkOut(fullBlockBuffer, includeMvccVersion);<a name="line.61"></a>
+<span class="sourceLineNo">062</span>    rewind();<a name="line.62"></a>
+<span class="sourceLineNo">063</span>  }<a name="line.63"></a>
+<span class="sourceLineNo">064</span><a name="line.64"></a>
+<span class="sourceLineNo">065</span>  /**<a name="line.65"></a>
+<span class="sourceLineNo">066</span>   * &lt;p&gt;<a name="line.66"></a>
+<span class="sourceLineNo">067</span>   * Currently unused.<a name="line.67"></a>
+<span class="sourceLineNo">068</span>   * &lt;/p&gt;<a name="line.68"></a>
+<span class="sourceLineNo">069</span>   * TODO performance leak. should reuse the searchers. hbase does not currently have a hook where<a name="line.69"></a>
+<span class="sourceLineNo">070</span>   * this can be called<a name="line.70"></a>
+<span class="sourceLineNo">071</span>   */<a name="line.71"></a>
+<span class="sourceLineNo">072</span>  public void releaseCurrentSearcher(){<a name="line.72"></a>
+<span class="sourceLineNo">073</span>    DecoderFactory.checkIn(ptSearcher);<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><a name="line.76"></a>
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-<span class="sourceLineNo">078</span>  @Override<a name="line.78"></a>
-<span class="sourceLineNo">079</span>  public Cell getKey() {<a name="line.79"></a>
-<span class="sourceLineNo">080</span>    return ptSearcher.current();<a name="line.80"></a>
-<span class="sourceLineNo">081</span>  }<a name="line.81"></a>
+<span class="sourceLineNo">077</span>  @Override<a name="line.77"></a>
+<span class="sourceLineNo">078</span>  public Cell getKey() {<a name="line.78"></a>
+<span class="sourceLineNo">079</span>    return ptSearcher.current();<a name="line.79"></a>
+<span class="sourceLineNo">080</span>  }<a name="line.80"></a>
+<span class="sourceLineNo">081</span><a name="line.81"></a>
 <span class="sourceLineNo">082</span><a name="line.82"></a>
-<span class="sourceLineNo">083</span><a name="line.83"></a>
-<span class="sourceLineNo">084</span>  @Override<a name="line.84"></a>
-<span class="sourceLineNo">085</span>  public ByteBuffer getValueShallowCopy() {<a name="line.85"></a>
-<span class="sourceLineNo">086</span>    return CellUtil.getValueBufferShallowCopy(ptSearcher.current());<a 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>  /**<a name="line.89"></a>
-<span class="sourceLineNo">090</span>   * currently must do deep copy into new array<a name="line.90"></a>
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-<span class="sourceLineNo">092</span>  @Override<a name="line.92"></a>
-<span class="sourceLineNo">093</span>  public Cell getCell() {<a name="line.93"></a>
-<span class="sourceLineNo">094</span>    // The PrefixTreecell is of type BytebufferedCell and the value part of the cell<a name="line.94"></a>
-<span class="sourceLineNo">095</span>    // determines whether we are offheap cell or onheap cell.  All other parts of the cell-<a name="line.95"></a>
-<span class="sourceLineNo">096</span>    // row, fam and col are all represented as onheap byte[]<a name="line.96"></a>
-<span class="sourceLineNo">097</span>    ByteBufferedCell cell = (ByteBufferedCell)ptSearcher.current();<a name="line.97"></a>
-<span class="sourceLineNo">098</span>    if (cell == null) {<a name="line.98"></a>
-<span class="sourceLineNo">099</span>      return null;<a name="line.99"></a>
-<span class="sourceLineNo">100</span>    }<a name="line.100"></a>
-<span class="sourceLineNo">101</span>    // Use the ByteBuffered cell to see if the Cell is onheap or offheap<a name="line.101"></a>
-<span class="sourceLineNo">102</span>    if (cell.getValueByteBuffer().hasArray()) {<a name="line.102"></a>
-<span class="sourceLineNo">103</span>      return new OnheapPrefixTreeCell(cell.getRowArray(), cell.getRowOffset(), cell.getRowLength(),<a name="line.103"></a>
-<span class="sourceLineNo">104</span>          cell.getFamilyArray(), cell.getFamilyOffset(), cell.getFamilyLength(),<a name="line.104"></a>
-<span class="sourceLineNo">105</span>          cell.getQualifierArray(), cell.getQualifierOffset(), cell.getQualifierLength(),<a name="line.105"></a>
-<span class="sourceLineNo">106</span>          cell.getValueArray(), cell.getValueOffset(), cell.getValueLength(), cell.getTagsArray(),<a name="line.106"></a>
-<span class="sourceLineNo">107</span>          cell.getTagsOffset(), cell.getTagsLength(), cell.getTimestamp(), cell.getTypeByte(),<a name="line.107"></a>
-<span class="sourceLineNo">108</span>          cell.getSequenceId());<a name="line.108"></a>
-<span class="sourceLineNo">109</span>    } else {<a name="line.109"></a>
-<span class="sourceLineNo">110</span>      return new OffheapPrefixTreeCell(cell.getRowArray(), cell.getRowOffset(), cell.getRowLength(),<a name="line.110"></a>
-<span class="sourceLineNo">111</span>          cell.getFamilyArray(), cell.getFamilyOffset(), cell.getFamilyLength(),<a name="line.111"></a>
-<span class="sourceLineNo">112</span>          cell.getQualifierArray(), cell.getQualifierOffset(), cell.getQualifierLength(),<a name="line.112"></a>
-<span class="sourceLineNo">113</span>          cell.getValueByteBuffer(), cell.getValuePosition(), cell.getValueLength(),<a name="line.113"></a>
-<span class="sourceLineNo">114</span>          cell.getTagsArray(), cell.getTagsOffset(), cell.getTagsLength(), cell.getTimestamp(),<a name="line.114"></a>
-<span class="sourceLineNo">115</span>          cell.getTypeByte(), cell.getSequenceId());<a name="line.115"></a>
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-<span class="sourceLineNo">119</span>  /**<a name="line.119"></a>
-<span class="sourceLineNo">120</span>   * &lt;p&gt;<a name="line.120"></a>
-<span class="sourceLineNo">121</span>   * Currently unused.<a name="line.121"></a>
-<span class="sourceLineNo">122</span>   * &lt;/p&gt;&lt;p&gt;<a name="line.122"></a>
-<span class="sourceLineNo">123</span>   * A nice, lightweight reference, though the underlying cell is transient. This method may return<a name="line.123"></a>
-<span class="sourceLineNo">124</span>   * the same reference to the backing PrefixTreeCell repeatedly, while other implementations may<a name="line.124"></a>
-<span class="sourceLineNo">125</span>   * return a different reference for each Cell.<a name="line.125"></a>
-<span class="sourceLineNo">126</span>   * &lt;/p&gt;<a name="line.126"></a>
-<span class="sourceLineNo">127</span>   * The goal will be to transition the upper layers of HBase, like Filters and KeyValueHeap, to<a name="line.127"></a>
-<span class="sourceLineNo">128</span>   * use this method instead of the getKeyValue() methods above.<a name="line.128"></a>
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+<span class="sourceLineNo">087</span><a name="line.87"></a>
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+<span class="sourceLineNo">093</span>    // The PrefixTreecell is of type BytebufferedCell and the value part of the cell<a name="line.93"></a>
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+<span class="sourceLineNo">100</span>    // Use the ByteBuffered cell to see if the Cell is onheap or offheap<a name="line.100"></a>
+<span class="sourceLineNo">101</span>    if (cell.getValueByteBuffer().hasArray()) {<a name="line.101"></a>
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+<span class="sourceLineNo">103</span>          cell.getFamilyArray(), cell.getFamilyOffset(), cell.getFamilyLength(),<a name="line.103"></a>
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+<span class="sourceLineNo">108</span>    } else {<a name="line.108"></a>
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+<span class="sourceLineNo">110</span>          cell.getFamilyArray(), cell.getFamilyOffset(), cell.getFamilyLength(),<a name="line.110"></a>
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+<span class="sourceLineNo">118</span>  /**<a name="line.118"></a>
+<span class="sourceLineNo">119</span>   * &lt;p&gt;<a name="line.119"></a>
+<span class="sourceLineNo">120</span>   * Currently unused.<a name="line.120"></a>
+<span class="sourceLineNo">121</span>   * &lt;/p&gt;&lt;p&gt;<a name="line.121"></a>
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+<span class="sourceLineNo">123</span>   * the same reference to the backing PrefixTreeCell repeatedly, while other implementations may<a name="line.123"></a>
+<span class="sourceLineNo">124</span>   * return a different reference for each Cell.<a name="line.124"></a>
+<span class="sourceLineNo">125</span>   * &lt;/p&gt;<a name="line.125"></a>
+<span class="sourceLineNo">126</span>   * The goal will be to transition the upper layers of HBase, like Filters and KeyValueHeap, to<a name="line.126"></a>
+<span class="sourceLineNo">127</span>   * use this method instead of the getKeyValue() methods above.<a name="line.127"></a>
+<span class="sourceLineNo">128</span>   */<a name="line.128"></a>
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+<span class="sourceLineNo">367</span>          + "/" + timestamp + "/" + Type.codeToType(type);<a name="line.367"></a>
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+<span class="sourceLineNo">369</span><a name="line.369"></a>
+<span class="sourceLineNo">370</span>    @Override<a name="line.370"></a>
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+<span class="sourceLineNo">373</span>    }<a name="line.373"></a>
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+<span class="sourceLineNo">375</span><a name="line.375"></a>
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+<span class="sourceLineNo">377</span>      SettableSequenceId, HeapSize {<a name="line.377"></a>
+<span class="sourceLineNo">378</span>    private static final long FIXED_OVERHEAD = ClassSize.align(ClassSize.OBJECT<a name="line.378"></a>
+<span class="sourceLineNo">379</span>        + (5 * ClassSize.REFERENCE) + (2 * Bytes.SIZEOF_LONG) + (4 * Bytes.SIZEOF_INT)<a name="line.379"></a>
+<span class="sourceLineNo">380</span>        + (Bytes.SIZEOF_SHORT) + (2 * Bytes.SIZEOF_BYTE) + (5 * ClassSize.BYTE_BUFFER));<a name="line.380"></a>
+<span class="sourceLineNo">381</span>    private ByteBuffer rowBuff;<a name="line.381"></a>
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+<span class="sourceLineNo">451</span>  

<TRUNCATED>

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