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Posted to commits@hbase.apache.org by mi...@apache.org on 2016/03/04 18:51:05 UTC
[21/51] [partial] hbase-site git commit: Published site at
7dabcf23e8dd53f563981e1e03f82336fc0a44da.
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/3e48e84d/devapidocs/src-html/org/apache/hadoop/hbase/codec/prefixtree/PrefixTreeSeeker.OnheapPrefixTreeCell.html
----------------------------------------------------------------------
diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/codec/prefixtree/PrefixTreeSeeker.OnheapPrefixTreeCell.html b/devapidocs/src-html/org/apache/hadoop/hbase/codec/prefixtree/PrefixTreeSeeker.OnheapPrefixTreeCell.html
index 8e94eb6..6e7cf22 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/codec/prefixtree/PrefixTreeSeeker.OnheapPrefixTreeCell.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/codec/prefixtree/PrefixTreeSeeker.OnheapPrefixTreeCell.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>
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-<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> * <p><a name="line.67"></a>
-<span class="sourceLineNo">068</span> * Currently unused.<a name="line.68"></a>
-<span class="sourceLineNo">069</span> * </p><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>
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-<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> * <p><a name="line.66"></a>
+<span class="sourceLineNo">067</span> * Currently unused.<a name="line.67"></a>
+<span class="sourceLineNo">068</span> * </p><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>
-<span class="sourceLineNo">077</span><a name="line.77"></a>
-<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">118</span><a name="line.118"></a>
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-<span class="sourceLineNo">121</span> * Currently unused.<a name="line.121"></a>
-<span class="sourceLineNo">122</span> * </p><p><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> * </p><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">130</span> public Cell get() {<a name="line.130"></a>
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+<span class="sourceLineNo">085</span> return CellUtil.getValueBufferShallowCopy(ptSearcher.current());<a name="line.85"></a>
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+<span class="sourceLineNo">087</span><a name="line.87"></a>
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+<span class="sourceLineNo">092</span> public Cell getCell() {<a name="line.92"></a>
+<span class="sourceLineNo">093</span> // The PrefixTreecell is of type BytebufferedCell and the value part of the cell<a name="line.93"></a>
+<span class="sourceLineNo">094</span> // determines whether we are offheap cell or onheap cell. All other parts of the cell-<a name="line.94"></a>
+<span class="sourceLineNo">095</span> // row, fam and col are all represented as onheap byte[]<a name="line.95"></a>
+<span class="sourceLineNo">096</span> ByteBufferedCell cell = (ByteBufferedCell)ptSearcher.current();<a name="line.96"></a>
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+<span class="sourceLineNo">099</span> }<a name="line.99"></a>
+<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">110</span> cell.getFamilyArray(), cell.getFamilyOffset(), cell.getFamilyLength(),<a name="line.110"></a>
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+<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>
+<span class="sourceLineNo">129</span> public Cell get() {<a name="line.129"></a>
+<span class="sourceLineNo">130</span> return ptSearcher.current();<a name="line.130"></a>
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