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Posted to commits@hbase.apache.org by mi...@apache.org on 2015/12/16 17:59:56 UTC
[10/30] hbase-site git commit: Updated 0.94 docs to
0f35a32ab123ee299f4aaaea02b4ba2d2b43cff2
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/ecb8d8ba/0.94/devapidocs/src-html/org/apache/hadoop/hbase/io/encoding/DiffKeyDeltaEncoder.DiffSeekerState.html
----------------------------------------------------------------------
diff --git a/0.94/devapidocs/src-html/org/apache/hadoop/hbase/io/encoding/DiffKeyDeltaEncoder.DiffSeekerState.html b/0.94/devapidocs/src-html/org/apache/hadoop/hbase/io/encoding/DiffKeyDeltaEncoder.DiffSeekerState.html
index 014b293..da0f54b 100644
--- a/0.94/devapidocs/src-html/org/apache/hadoop/hbase/io/encoding/DiffKeyDeltaEncoder.DiffSeekerState.html
+++ b/0.94/devapidocs/src-html/org/apache/hadoop/hbase/io/encoding/DiffKeyDeltaEncoder.DiffSeekerState.html
@@ -34,527 +34,530 @@
<span class="sourceLineNo">026</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.26"></a>
<span class="sourceLineNo">027</span>import org.apache.hadoop.io.RawComparator;<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> * Compress using:<a name="line.30"></a>
-<span class="sourceLineNo">031</span> * - store size of common prefix<a name="line.31"></a>
-<span class="sourceLineNo">032</span> * - save column family once, it is same within HFile<a name="line.32"></a>
-<span class="sourceLineNo">033</span> * - use integer compression for key, value and prefix (7-bit encoding)<a name="line.33"></a>
-<span class="sourceLineNo">034</span> * - use bits to avoid duplication key length, value length<a name="line.34"></a>
-<span class="sourceLineNo">035</span> * and type if it same as previous<a name="line.35"></a>
-<span class="sourceLineNo">036</span> * - store in 3 bits length of timestamp field<a name="line.36"></a>
-<span class="sourceLineNo">037</span> * - allow diff in timestamp instead of actual value<a name="line.37"></a>
-<span class="sourceLineNo">038</span> *<a name="line.38"></a>
-<span class="sourceLineNo">039</span> * Format:<a name="line.39"></a>
-<span class="sourceLineNo">040</span> * - 1 byte: flag<a name="line.40"></a>
-<span class="sourceLineNo">041</span> * - 1-5 bytes: key length (only if FLAG_SAME_KEY_LENGTH is not set in flag)<a name="line.41"></a>
-<span class="sourceLineNo">042</span> * - 1-5 bytes: value length (only if FLAG_SAME_VALUE_LENGTH is not set in flag)<a name="line.42"></a>
-<span class="sourceLineNo">043</span> * - 1-5 bytes: prefix length<a name="line.43"></a>
-<span class="sourceLineNo">044</span> * - ... bytes: rest of the row (if prefix length is small enough)<a name="line.44"></a>
-<span class="sourceLineNo">045</span> * - ... bytes: qualifier (or suffix depending on prefix length)<a name="line.45"></a>
-<span class="sourceLineNo">046</span> * - 1-8 bytes: timestamp or diff<a name="line.46"></a>
-<span class="sourceLineNo">047</span> * - 1 byte: type (only if FLAG_SAME_TYPE is not set in the flag)<a name="line.47"></a>
-<span class="sourceLineNo">048</span> * - ... bytes: value<a name="line.48"></a>
-<span class="sourceLineNo">049</span> */<a name="line.49"></a>
-<span class="sourceLineNo">050</span>public class DiffKeyDeltaEncoder extends BufferedDataBlockEncoder {<a name="line.50"></a>
-<span class="sourceLineNo">051</span> static final int FLAG_SAME_KEY_LENGTH = 1;<a name="line.51"></a>
-<span class="sourceLineNo">052</span> static final int FLAG_SAME_VALUE_LENGTH = 1 << 1;<a name="line.52"></a>
-<span class="sourceLineNo">053</span> static final int FLAG_SAME_TYPE = 1 << 2;<a name="line.53"></a>
-<span class="sourceLineNo">054</span> static final int FLAG_TIMESTAMP_IS_DIFF = 1 << 3;<a name="line.54"></a>
-<span class="sourceLineNo">055</span> static final int MASK_TIMESTAMP_LENGTH = (1 << 4) | (1 << 5) | (1 << 6);<a name="line.55"></a>
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-<span class="sourceLineNo">095</span> timestamp = currentState.timestamp;<a name="line.95"></a>
-<span class="sourceLineNo">096</span> if (timestamp < 0) {<a name="line.96"></a>
-<span class="sourceLineNo">097</span> flag |= FLAG_TIMESTAMP_SIGN;<a name="line.97"></a>
-<span class="sourceLineNo">098</span> timestamp = -timestamp;<a name="line.98"></a>
-<span class="sourceLineNo">099</span> }<a name="line.99"></a>
-<span class="sourceLineNo">100</span> timestampFitsInBytes = ByteBufferUtils.longFitsIn(timestamp);<a name="line.100"></a>
-<span class="sourceLineNo">101</span><a name="line.101"></a>
-<span class="sourceLineNo">102</span> flag |= (timestampFitsInBytes - 1) << SHIFT_TIMESTAMP_LENGTH;<a name="line.102"></a>
-<span class="sourceLineNo">103</span> commonPrefix = 0;<a name="line.103"></a>
+<span class="sourceLineNo">029</span>import org.apache.hadoop.classification.InterfaceAudience;<a name="line.29"></a>
+<span class="sourceLineNo">030</span><a name="line.30"></a>
+<span class="sourceLineNo">031</span>/**<a name="line.31"></a>
+<span class="sourceLineNo">032</span> * Compress using:<a name="line.32"></a>
+<span class="sourceLineNo">033</span> * - store size of common prefix<a name="line.33"></a>
+<span class="sourceLineNo">034</span> * - save column family once, it is same within HFile<a name="line.34"></a>
+<span class="sourceLineNo">035</span> * - use integer compression for key, value and prefix (7-bit encoding)<a name="line.35"></a>
+<span class="sourceLineNo">036</span> * - use bits to avoid duplication key length, value length<a name="line.36"></a>
+<span class="sourceLineNo">037</span> * and type if it same as previous<a name="line.37"></a>
+<span class="sourceLineNo">038</span> * - store in 3 bits length of timestamp field<a name="line.38"></a>
+<span class="sourceLineNo">039</span> * - allow diff in timestamp instead of actual value<a name="line.39"></a>
+<span class="sourceLineNo">040</span> *<a name="line.40"></a>
+<span class="sourceLineNo">041</span> * Format:<a name="line.41"></a>
+<span class="sourceLineNo">042</span> * - 1 byte: flag<a name="line.42"></a>
+<span class="sourceLineNo">043</span> * - 1-5 bytes: key length (only if FLAG_SAME_KEY_LENGTH is not set in flag)<a name="line.43"></a>
+<span class="sourceLineNo">044</span> * - 1-5 bytes: value length (only if FLAG_SAME_VALUE_LENGTH is not set in flag)<a name="line.44"></a>
+<span class="sourceLineNo">045</span> * - 1-5 bytes: prefix length<a name="line.45"></a>
+<span class="sourceLineNo">046</span> * - ... bytes: rest of the row (if prefix length is small enough)<a name="line.46"></a>
+<span class="sourceLineNo">047</span> * - ... bytes: qualifier (or suffix depending on prefix length)<a name="line.47"></a>
+<span class="sourceLineNo">048</span> * - 1-8 bytes: timestamp or diff<a name="line.48"></a>
+<span class="sourceLineNo">049</span> * - 1 byte: type (only if FLAG_SAME_TYPE is not set in the flag)<a name="line.49"></a>
+<span class="sourceLineNo">050</span> * - ... bytes: value<a name="line.50"></a>
+<span class="sourceLineNo">051</span> */<a name="line.51"></a>
+<span class="sourceLineNo">052</span>@InterfaceAudience.Private<a name="line.52"></a>
+<span class="sourceLineNo">053</span>public class DiffKeyDeltaEncoder extends BufferedDataBlockEncoder {<a name="line.53"></a>
+<span class="sourceLineNo">054</span> static final int FLAG_SAME_KEY_LENGTH = 1;<a name="line.54"></a>
+<span class="sourceLineNo">055</span> static final int FLAG_SAME_VALUE_LENGTH = 1 << 1;<a name="line.55"></a>
+<span class="sourceLineNo">056</span> static final int FLAG_SAME_TYPE = 1 << 2;<a name="line.56"></a>
+<span class="sourceLineNo">057</span> static final int FLAG_TIMESTAMP_IS_DIFF = 1 << 3;<a name="line.57"></a>
+<span class="sourceLineNo">058</span> static final int MASK_TIMESTAMP_LENGTH = (1 << 4) | (1 << 5) | (1 << 6);<a name="line.58"></a>
+<span class="sourceLineNo">059</span> static final int SHIFT_TIMESTAMP_LENGTH = 4;<a name="line.59"></a>
+<span class="sourceLineNo">060</span> static final int FLAG_TIMESTAMP_SIGN = 1 << 7;<a name="line.60"></a>
+<span class="sourceLineNo">061</span><a name="line.61"></a>
+<span class="sourceLineNo">062</span> protected static class DiffCompressionState extends CompressionState {<a name="line.62"></a>
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+<span class="sourceLineNo">071</span> @Override<a name="line.71"></a>
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+<span class="sourceLineNo">073</span> super.copyFrom(state);<a name="line.73"></a>
+<span class="sourceLineNo">074</span> DiffCompressionState state2 = (DiffCompressionState) state;<a name="line.74"></a>
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+<span class="sourceLineNo">077</span> }<a name="line.77"></a>
+<span class="sourceLineNo">078</span><a name="line.78"></a>
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+<span class="sourceLineNo">081</span> ByteBuffer in) throws IOException {<a name="line.81"></a>
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<span class="sourceLineNo">104</span><a name="line.104"></a>
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+<span class="sourceLineNo">110</span> ByteBufferUtils.skip(in, currentState.rowLength<a name="line.110"></a>
+<span class="sourceLineNo">111</span> + KeyValue.ROW_LENGTH_SIZE);<a name="line.111"></a>
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+<span class="sourceLineNo">113</span> + KeyValue.FAMILY_LENGTH_SIZE);<a name="line.113"></a>
+<span class="sourceLineNo">114</span> in.reset();<a name="line.114"></a>
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+<span class="sourceLineNo">117</span> commonPrefix =<a name="line.117"></a>
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+<span class="sourceLineNo">133</span> if (keyLength == previousState.keyLength) {<a name="line.133"></a>
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+<span class="sourceLineNo">161</span> }<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>
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