http://git-wip-us.apache.org/repos/asf/hbase-site/blob/e11cf2cb/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/wal/WALCellCodec.CompressedKvDecoder.html
----------------------------------------------------------------------
diff --git
a/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/wal/WALCellCodec.CompressedKvDecoder.html
b/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/wal/WALCellCodec.CompressedKvDecoder.html
index 83c17c0..9df0225 100644
---
a/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/wal/WALCellCodec.CompressedKvDecoder.html
+++
b/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/wal/WALCellCodec.CompressedKvDecoder.html
@@ -54,323 +54,362 @@
<span class="sourceLineNo">046</span>import org.apache.hadoop.io.IOUtils;<a
name="line.46"></a>
<span class="sourceLineNo">047</span><a name="line.47"></a>
<span class="sourceLineNo">048</span>import
org.apache.hbase.thirdparty.com.google.protobuf.ByteString;<a
name="line.48"></a>
-<span class="sourceLineNo">049</span><a name="line.49"></a>
+<span class="sourceLineNo">049</span>import
org.apache.hbase.thirdparty.com.google.protobuf.UnsafeByteOperations;<a
name="line.49"></a>
<span class="sourceLineNo">050</span><a name="line.50"></a>
-<span class="sourceLineNo">051</span>/**<a name="line.51"></a>
-<span class="sourceLineNo">052</span> * Compression in this class is lifted
off Compressor/KeyValueCompression.<a name="line.52"></a>
-<span class="sourceLineNo">053</span> * This is a pure coincidence... they are
independent and don't have to be compatible.<a name="line.53"></a>
-<span class="sourceLineNo">054</span> *<a name="line.54"></a>
-<span class="sourceLineNo">055</span> * This codec is used at server side for
writing cells to WAL as well as for sending edits<a name="line.55"></a>
-<span class="sourceLineNo">056</span> * as part of the distributed splitting
process.<a name="line.56"></a>
-<span class="sourceLineNo">057</span> */<a name="line.57"></a>
-<span
class="sourceLineNo">058</span>@InterfaceAudience.LimitedPrivate({HBaseInterfaceAudience.COPROC,<a
name="line.58"></a>
-<span class="sourceLineNo">059</span> HBaseInterfaceAudience.PHOENIX,
HBaseInterfaceAudience.CONFIG})<a name="line.59"></a>
-<span class="sourceLineNo">060</span>public class WALCellCodec implements
Codec {<a name="line.60"></a>
-<span class="sourceLineNo">061</span> /** Configuration key for the class to
use when encoding cells in the WAL */<a name="line.61"></a>
-<span class="sourceLineNo">062</span> public static final String
WAL_CELL_CODEC_CLASS_KEY = "hbase.regionserver.wal.codec";<a name="line.62"></a>
-<span class="sourceLineNo">063</span><a name="line.63"></a>
-<span class="sourceLineNo">064</span> protected final CompressionContext
compression;<a name="line.64"></a>
-<span class="sourceLineNo">065</span> protected final ByteStringUncompressor
statelessUncompressor = new ByteStringUncompressor() {<a name="line.65"></a>
-<span class="sourceLineNo">066</span> @Override<a name="line.66"></a>
-<span class="sourceLineNo">067</span> public byte[] uncompress(ByteString
data, Dictionary dict) throws IOException {<a name="line.67"></a>
-<span class="sourceLineNo">068</span> return
WALCellCodec.uncompressByteString(data, dict);<a name="line.68"></a>
-<span class="sourceLineNo">069</span> }<a name="line.69"></a>
-<span class="sourceLineNo">070</span> };<a name="line.70"></a>
-<span class="sourceLineNo">071</span><a name="line.71"></a>
-<span class="sourceLineNo">072</span> /**<a name="line.72"></a>
-<span class="sourceLineNo">073</span> * <b>All subclasses must
implement a no argument constructor</b><a name="line.73"></a>
-<span class="sourceLineNo">074</span> */<a name="line.74"></a>
-<span class="sourceLineNo">075</span> public WALCellCodec() {<a
name="line.75"></a>
-<span class="sourceLineNo">076</span> this.compression = null;<a
name="line.76"></a>
-<span class="sourceLineNo">077</span> }<a name="line.77"></a>
-<span class="sourceLineNo">078</span><a name="line.78"></a>
-<span class="sourceLineNo">079</span> /**<a name="line.79"></a>
-<span class="sourceLineNo">080</span> * Default constructor - <b>all
subclasses must implement a constructor with this signature </b><a
name="line.80"></a>
-<span class="sourceLineNo">081</span> * if they are to be dynamically loaded
from the {@link Configuration}.<a name="line.81"></a>
-<span class="sourceLineNo">082</span> * @param conf configuration to
configure <tt>this</tt><a name="line.82"></a>
-<span class="sourceLineNo">083</span> * @param compression compression the
codec should support, can be <tt>null</tt> to indicate no<a
name="line.83"></a>
-<span class="sourceLineNo">084</span> * compression<a
name="line.84"></a>
-<span class="sourceLineNo">085</span> */<a name="line.85"></a>
-<span class="sourceLineNo">086</span> public WALCellCodec(Configuration conf,
CompressionContext compression) {<a name="line.86"></a>
-<span class="sourceLineNo">087</span> this.compression = compression;<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> public static String
getWALCellCodecClass(Configuration conf) {<a name="line.90"></a>
-<span class="sourceLineNo">091</span> return
conf.get(WAL_CELL_CODEC_CLASS_KEY, WALCellCodec.class.getName());<a
name="line.91"></a>
-<span class="sourceLineNo">092</span> }<a name="line.92"></a>
-<span class="sourceLineNo">093</span><a name="line.93"></a>
-<span class="sourceLineNo">094</span> /**<a name="line.94"></a>
-<span class="sourceLineNo">095</span> * Create and setup a {@link
WALCellCodec} from the {@code cellCodecClsName} and<a name="line.95"></a>
-<span class="sourceLineNo">096</span> * CompressionContext, if {@code
cellCodecClsName} is specified.<a name="line.96"></a>
-<span class="sourceLineNo">097</span> * Otherwise Cell Codec classname is
read from {@link Configuration}.<a name="line.97"></a>
-<span class="sourceLineNo">098</span> * Fully prepares the codec for use.<a
name="line.98"></a>
-<span class="sourceLineNo">099</span> * @param conf {@link Configuration} to
read for the user-specified codec. If none is specified,<a name="line.99"></a>
-<span class="sourceLineNo">100</span> * uses a {@link
WALCellCodec}.<a name="line.100"></a>
-<span class="sourceLineNo">101</span> * @param cellCodecClsName name of
codec<a name="line.101"></a>
-<span class="sourceLineNo">102</span> * @param compression compression the
codec should use<a name="line.102"></a>
-<span class="sourceLineNo">103</span> * @return a {@link WALCellCodec} ready
for use.<a name="line.103"></a>
-<span class="sourceLineNo">104</span> * @throws
UnsupportedOperationException if the codec cannot be instantiated<a
name="line.104"></a>
-<span class="sourceLineNo">105</span> */<a name="line.105"></a>
-<span class="sourceLineNo">106</span><a name="line.106"></a>
-<span class="sourceLineNo">107</span> public static WALCellCodec
create(Configuration conf, String cellCodecClsName,<a name="line.107"></a>
-<span class="sourceLineNo">108</span> CompressionContext compression)
throws UnsupportedOperationException {<a name="line.108"></a>
-<span class="sourceLineNo">109</span> if (cellCodecClsName == null) {<a
name="line.109"></a>
-<span class="sourceLineNo">110</span> cellCodecClsName =
getWALCellCodecClass(conf);<a name="line.110"></a>
-<span class="sourceLineNo">111</span> }<a name="line.111"></a>
-<span class="sourceLineNo">112</span> return
ReflectionUtils.instantiateWithCustomCtor(cellCodecClsName, new Class[]<a
name="line.112"></a>
-<span class="sourceLineNo">113</span> { Configuration.class,
CompressionContext.class }, new Object[] { conf, compression });<a
name="line.113"></a>
-<span class="sourceLineNo">114</span> }<a name="line.114"></a>
-<span class="sourceLineNo">115</span><a name="line.115"></a>
-<span class="sourceLineNo">116</span> /**<a name="line.116"></a>
-<span class="sourceLineNo">117</span> * Create and setup a {@link
WALCellCodec} from the<a name="line.117"></a>
-<span class="sourceLineNo">118</span> * CompressionContext.<a
name="line.118"></a>
-<span class="sourceLineNo">119</span> * Cell Codec classname is read from
{@link Configuration}.<a name="line.119"></a>
-<span class="sourceLineNo">120</span> * Fully prepares the codec for use.<a
name="line.120"></a>
-<span class="sourceLineNo">121</span> * @param conf {@link Configuration} to
read for the user-specified codec. If none is specified,<a name="line.121"></a>
-<span class="sourceLineNo">122</span> * uses a {@link
WALCellCodec}.<a name="line.122"></a>
-<span class="sourceLineNo">123</span> * @param compression compression the
codec should use<a name="line.123"></a>
-<span class="sourceLineNo">124</span> * @return a {@link WALCellCodec} ready
for use.<a name="line.124"></a>
-<span class="sourceLineNo">125</span> * @throws
UnsupportedOperationException if the codec cannot be instantiated<a
name="line.125"></a>
-<span class="sourceLineNo">126</span> */<a name="line.126"></a>
-<span class="sourceLineNo">127</span> public static WALCellCodec
create(Configuration conf,<a name="line.127"></a>
-<span class="sourceLineNo">128</span> CompressionContext compression)
throws UnsupportedOperationException {<a name="line.128"></a>
-<span class="sourceLineNo">129</span> String cellCodecClsName =
getWALCellCodecClass(conf);<a name="line.129"></a>
-<span class="sourceLineNo">130</span> return
ReflectionUtils.instantiateWithCustomCtor(cellCodecClsName, new Class[]<a
name="line.130"></a>
-<span class="sourceLineNo">131</span> { Configuration.class,
CompressionContext.class }, new Object[] { conf, compression });<a
name="line.131"></a>
-<span class="sourceLineNo">132</span> }<a name="line.132"></a>
-<span class="sourceLineNo">133</span><a name="line.133"></a>
-<span class="sourceLineNo">134</span> public interface ByteStringCompressor
{<a name="line.134"></a>
-<span class="sourceLineNo">135</span> ByteString compress(byte[] data,
Dictionary dict) throws IOException;<a name="line.135"></a>
-<span class="sourceLineNo">136</span> }<a name="line.136"></a>
-<span class="sourceLineNo">137</span><a name="line.137"></a>
-<span class="sourceLineNo">138</span> public interface ByteStringUncompressor
{<a name="line.138"></a>
-<span class="sourceLineNo">139</span> byte[] uncompress(ByteString data,
Dictionary dict) throws IOException;<a name="line.139"></a>
-<span class="sourceLineNo">140</span> }<a name="line.140"></a>
-<span class="sourceLineNo">141</span><a name="line.141"></a>
-<span class="sourceLineNo">142</span> // TODO: it sucks that compression
context is in WAL.Entry. It'd be nice if it was here.<a name="line.142"></a>
-<span class="sourceLineNo">143</span> // Dictionary could be gotten by
enum; initially, based on enum, context would create<a name="line.143"></a>
-<span class="sourceLineNo">144</span> // an array of dictionaries.<a
name="line.144"></a>
-<span class="sourceLineNo">145</span> static class BaosAndCompressor extends
ByteArrayOutputStream implements ByteStringCompressor {<a name="line.145"></a>
-<span class="sourceLineNo">146</span> public ByteString toByteString() {<a
name="line.146"></a>
-<span class="sourceLineNo">147</span> // We need this copy to create the
ByteString as the byte[] 'buf' is not immutable. We reuse<a name="line.147"></a>
-<span class="sourceLineNo">148</span> // them.<a name="line.148"></a>
-<span class="sourceLineNo">149</span> return
ByteString.copyFrom(this.buf, 0, this.count);<a name="line.149"></a>
-<span class="sourceLineNo">150</span> }<a name="line.150"></a>
-<span class="sourceLineNo">151</span><a name="line.151"></a>
-<span class="sourceLineNo">152</span> @Override<a name="line.152"></a>
-<span class="sourceLineNo">153</span> public ByteString compress(byte[]
data, Dictionary dict) throws IOException {<a name="line.153"></a>
-<span class="sourceLineNo">154</span> writeCompressed(data, dict);<a
name="line.154"></a>
-<span class="sourceLineNo">155</span> // We need this copy to create the
ByteString as the byte[] 'buf' is not immutable. We reuse<a name="line.155"></a>
-<span class="sourceLineNo">156</span> // them.<a name="line.156"></a>
-<span class="sourceLineNo">157</span> ByteString result =
ByteString.copyFrom(this.buf, 0, this.count);<a name="line.157"></a>
-<span class="sourceLineNo">158</span> reset(); // Only resets the count -
we reuse the byte array.<a name="line.158"></a>
-<span class="sourceLineNo">159</span> return result;<a
name="line.159"></a>
+<span class="sourceLineNo">051</span><a name="line.51"></a>
+<span class="sourceLineNo">052</span>/**<a name="line.52"></a>
+<span class="sourceLineNo">053</span> * Compression in this class is lifted
off Compressor/KeyValueCompression.<a name="line.53"></a>
+<span class="sourceLineNo">054</span> * This is a pure coincidence... they are
independent and don't have to be compatible.<a name="line.54"></a>
+<span class="sourceLineNo">055</span> *<a name="line.55"></a>
+<span class="sourceLineNo">056</span> * This codec is used at server side for
writing cells to WAL as well as for sending edits<a name="line.56"></a>
+<span class="sourceLineNo">057</span> * as part of the distributed splitting
process.<a name="line.57"></a>
+<span class="sourceLineNo">058</span> */<a name="line.58"></a>
+<span
class="sourceLineNo">059</span>@InterfaceAudience.LimitedPrivate({HBaseInterfaceAudience.COPROC,<a
name="line.59"></a>
+<span class="sourceLineNo">060</span> HBaseInterfaceAudience.PHOENIX,
HBaseInterfaceAudience.CONFIG})<a name="line.60"></a>
+<span class="sourceLineNo">061</span>public class WALCellCodec implements
Codec {<a name="line.61"></a>
+<span class="sourceLineNo">062</span> /** Configuration key for the class to
use when encoding cells in the WAL */<a name="line.62"></a>
+<span class="sourceLineNo">063</span> public static final String
WAL_CELL_CODEC_CLASS_KEY = "hbase.regionserver.wal.codec";<a name="line.63"></a>
+<span class="sourceLineNo">064</span><a name="line.64"></a>
+<span class="sourceLineNo">065</span> protected final CompressionContext
compression;<a name="line.65"></a>
+<span class="sourceLineNo">066</span><a name="line.66"></a>
+<span class="sourceLineNo">067</span> /**<a name="line.67"></a>
+<span class="sourceLineNo">068</span> * <b>All subclasses must
implement a no argument constructor</b><a name="line.68"></a>
+<span class="sourceLineNo">069</span> */<a name="line.69"></a>
+<span class="sourceLineNo">070</span> public WALCellCodec() {<a
name="line.70"></a>
+<span class="sourceLineNo">071</span> this.compression = null;<a
name="line.71"></a>
+<span class="sourceLineNo">072</span> }<a name="line.72"></a>
+<span class="sourceLineNo">073</span><a name="line.73"></a>
+<span class="sourceLineNo">074</span> /**<a name="line.74"></a>
+<span class="sourceLineNo">075</span> * Default constructor - <b>all
subclasses must implement a constructor with this signature </b><a
name="line.75"></a>
+<span class="sourceLineNo">076</span> * if they are to be dynamically loaded
from the {@link Configuration}.<a name="line.76"></a>
+<span class="sourceLineNo">077</span> * @param conf configuration to
configure <tt>this</tt><a name="line.77"></a>
+<span class="sourceLineNo">078</span> * @param compression compression the
codec should support, can be <tt>null</tt> to indicate no<a
name="line.78"></a>
+<span class="sourceLineNo">079</span> * compression<a
name="line.79"></a>
+<span class="sourceLineNo">080</span> */<a name="line.80"></a>
+<span class="sourceLineNo">081</span> public WALCellCodec(Configuration conf,
CompressionContext compression) {<a name="line.81"></a>
+<span class="sourceLineNo">082</span> this.compression = compression;<a
name="line.82"></a>
+<span class="sourceLineNo">083</span> }<a name="line.83"></a>
+<span class="sourceLineNo">084</span><a name="line.84"></a>
+<span class="sourceLineNo">085</span> public static String
getWALCellCodecClass(Configuration conf) {<a name="line.85"></a>
+<span class="sourceLineNo">086</span> return
conf.get(WAL_CELL_CODEC_CLASS_KEY, WALCellCodec.class.getName());<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> * Create and setup a {@link
WALCellCodec} from the {@code cellCodecClsName} and<a name="line.90"></a>
+<span class="sourceLineNo">091</span> * CompressionContext, if {@code
cellCodecClsName} is specified.<a name="line.91"></a>
+<span class="sourceLineNo">092</span> * Otherwise Cell Codec classname is
read from {@link Configuration}.<a name="line.92"></a>
+<span class="sourceLineNo">093</span> * Fully prepares the codec for use.<a
name="line.93"></a>
+<span class="sourceLineNo">094</span> * @param conf {@link Configuration} to
read for the user-specified codec. If none is specified,<a name="line.94"></a>
+<span class="sourceLineNo">095</span> * uses a {@link
WALCellCodec}.<a name="line.95"></a>
+<span class="sourceLineNo">096</span> * @param cellCodecClsName name of
codec<a name="line.96"></a>
+<span class="sourceLineNo">097</span> * @param compression compression the
codec should use<a name="line.97"></a>
+<span class="sourceLineNo">098</span> * @return a {@link WALCellCodec} ready
for use.<a name="line.98"></a>
+<span class="sourceLineNo">099</span> * @throws
UnsupportedOperationException if the codec cannot be instantiated<a
name="line.99"></a>
+<span class="sourceLineNo">100</span> */<a name="line.100"></a>
+<span class="sourceLineNo">101</span><a name="line.101"></a>
+<span class="sourceLineNo">102</span> public static WALCellCodec
create(Configuration conf, String cellCodecClsName,<a name="line.102"></a>
+<span class="sourceLineNo">103</span> CompressionContext compression)
throws UnsupportedOperationException {<a name="line.103"></a>
+<span class="sourceLineNo">104</span> if (cellCodecClsName == null) {<a
name="line.104"></a>
+<span class="sourceLineNo">105</span> cellCodecClsName =
getWALCellCodecClass(conf);<a name="line.105"></a>
+<span class="sourceLineNo">106</span> }<a name="line.106"></a>
+<span class="sourceLineNo">107</span> return
ReflectionUtils.instantiateWithCustomCtor(cellCodecClsName, new Class[]<a
name="line.107"></a>
+<span class="sourceLineNo">108</span> { Configuration.class,
CompressionContext.class }, new Object[] { conf, compression });<a
name="line.108"></a>
+<span class="sourceLineNo">109</span> }<a name="line.109"></a>
+<span class="sourceLineNo">110</span><a name="line.110"></a>
+<span class="sourceLineNo">111</span> /**<a name="line.111"></a>
+<span class="sourceLineNo">112</span> * Create and setup a {@link
WALCellCodec} from the<a name="line.112"></a>
+<span class="sourceLineNo">113</span> * CompressionContext.<a
name="line.113"></a>
+<span class="sourceLineNo">114</span> * Cell Codec classname is read from
{@link Configuration}.<a name="line.114"></a>
+<span class="sourceLineNo">115</span> * Fully prepares the codec for use.<a
name="line.115"></a>
+<span class="sourceLineNo">116</span> * @param conf {@link Configuration} to
read for the user-specified codec. If none is specified,<a name="line.116"></a>
+<span class="sourceLineNo">117</span> * uses a {@link
WALCellCodec}.<a name="line.117"></a>
+<span class="sourceLineNo">118</span> * @param compression compression the
codec should use<a name="line.118"></a>
+<span class="sourceLineNo">119</span> * @return a {@link WALCellCodec} ready
for use.<a name="line.119"></a>
+<span class="sourceLineNo">120</span> * @throws
UnsupportedOperationException if the codec cannot be instantiated<a
name="line.120"></a>
+<span class="sourceLineNo">121</span> */<a name="line.121"></a>
+<span class="sourceLineNo">122</span> public static WALCellCodec
create(Configuration conf,<a name="line.122"></a>
+<span class="sourceLineNo">123</span> CompressionContext compression)
throws UnsupportedOperationException {<a name="line.123"></a>
+<span class="sourceLineNo">124</span> String cellCodecClsName =
getWALCellCodecClass(conf);<a name="line.124"></a>
+<span class="sourceLineNo">125</span> return
ReflectionUtils.instantiateWithCustomCtor(cellCodecClsName, new Class[]<a
name="line.125"></a>
+<span class="sourceLineNo">126</span> { Configuration.class,
CompressionContext.class }, new Object[] { conf, compression });<a
name="line.126"></a>
+<span class="sourceLineNo">127</span> }<a name="line.127"></a>
+<span class="sourceLineNo">128</span><a name="line.128"></a>
+<span class="sourceLineNo">129</span> public interface ByteStringCompressor
{<a name="line.129"></a>
+<span class="sourceLineNo">130</span> ByteString compress(byte[] data, Enum
dictIndex) throws IOException;<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> public interface ByteStringUncompressor
{<a name="line.133"></a>
+<span class="sourceLineNo">134</span> byte[] uncompress(ByteString data,
Enum dictIndex) throws IOException;<a name="line.134"></a>
+<span class="sourceLineNo">135</span> }<a name="line.135"></a>
+<span class="sourceLineNo">136</span><a name="line.136"></a>
+<span class="sourceLineNo">137</span> static class StatelessUncompressor
implements ByteStringUncompressor {<a name="line.137"></a>
+<span class="sourceLineNo">138</span> CompressionContext
compressionContext;<a name="line.138"></a>
+<span class="sourceLineNo">139</span><a name="line.139"></a>
+<span class="sourceLineNo">140</span> public
StatelessUncompressor(CompressionContext compressionContext) {<a
name="line.140"></a>
+<span class="sourceLineNo">141</span> this.compressionContext =
compressionContext;<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> @Override<a name="line.144"></a>
+<span class="sourceLineNo">145</span> public byte[] uncompress(ByteString
data, Enum dictIndex) throws IOException {<a name="line.145"></a>
+<span class="sourceLineNo">146</span> return
WALCellCodec.uncompressByteString(data,
compressionContext.getDictionary(dictIndex));<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><a name="line.149"></a>
+<span class="sourceLineNo">150</span> static class BaosAndCompressor extends
ByteArrayOutputStream implements ByteStringCompressor {<a name="line.150"></a>
+<span class="sourceLineNo">151</span> private CompressionContext
compressionContext;<a name="line.151"></a>
+<span class="sourceLineNo">152</span><a name="line.152"></a>
+<span class="sourceLineNo">153</span> public
BaosAndCompressor(CompressionContext compressionContext) {<a
name="line.153"></a>
+<span class="sourceLineNo">154</span> this.compressionContext =
compressionContext;<a name="line.154"></a>
+<span class="sourceLineNo">155</span> }<a name="line.155"></a>
+<span class="sourceLineNo">156</span> public ByteString toByteString() {<a
name="line.156"></a>
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ByteString as the byte[] 'buf' is not immutable. We reuse<a name="line.157"></a>
+<span class="sourceLineNo">158</span> // them.<a name="line.158"></a>
+<span class="sourceLineNo">159</span> return
ByteString.copyFrom(this.buf, 0, this.count);<a name="line.159"></a>
<span class="sourceLineNo">160</span> }<a name="line.160"></a>
<span class="sourceLineNo">161</span><a name="line.161"></a>
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data, Dictionary dict) throws IOException {<a name="line.162"></a>
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name="line.163"></a>
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write(Dictionary.NOT_IN_DICTIONARY);<a name="line.166"></a>
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data.length);<a name="line.167"></a>
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name="line.168"></a>
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dictIdx);<a name="line.170"></a>
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name="line.175"></a>
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name="line.176"></a>
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name="line.177"></a>
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name="line.180"></a>
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name="line.181"></a>
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StreamUtils.toShort(status, (byte)in.read());<a name="line.188"></a>
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dict.getEntry(dictIdx);<a name="line.189"></a>
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name="line.190"></a>
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-<span class="sourceLineNo">195</span> }<a name="line.195"></a>
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extends BaseEncoder {<a name="line.197"></a>
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name="line.199"></a>
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name="line.201"></a>
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infrastructure as VInts.<a name="line.206"></a>
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KeyValueUtil.keyLength(cell));<a name="line.207"></a>
-<span class="sourceLineNo">208</span> StreamUtils.writeRawVInt32(out,
cell.getValueLength());<a name="line.208"></a>
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name="line.209"></a>
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cell.getTagsLength();<a name="line.210"></a>
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tagsLength);<a name="line.211"></a>
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cell, compression.rowDict);<a name="line.212"></a>
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cell, compression.familyDict);<a name="line.213"></a>
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PrivateCellUtil.compressQualifier(out, cell, compression.qualifierDict);<a
name="line.214"></a>
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as uncompressed.<a name="line.215"></a>
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cell.getTimestamp());<a name="line.216"></a>
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name="line.217"></a>
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cell, cell.getValueLength());<a name="line.218"></a>
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name="line.219"></a>
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(compression.tagCompressionContext != null) {<a name="line.220"></a>
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compression<a name="line.221"></a>
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PrivateCellUtil.compressTags(out, cell, compression.tagCompressionContext);<a
name="line.222"></a>
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within the WAL compression. Just write the tags bytes as<a name="line.224"></a>
-<span class="sourceLineNo">225</span> // it is.<a name="line.225"></a>
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cell, tagsLength);<a name="line.226"></a>
-<span class="sourceLineNo">227</span> }<a name="line.227"></a>
-<span class="sourceLineNo">228</span> }<a name="line.228"></a>
+<span class="sourceLineNo">162</span> @Override<a name="line.162"></a>
+<span class="sourceLineNo">163</span> public ByteString compress(byte[]
data, Enum dictIndex) throws IOException {<a name="line.163"></a>
+<span class="sourceLineNo">164</span> writeCompressed(data, dictIndex);<a
name="line.164"></a>
+<span class="sourceLineNo">165</span> // We need this copy to create the
ByteString as the byte[] 'buf' is not immutable. We reuse<a name="line.165"></a>
+<span class="sourceLineNo">166</span> // them.<a name="line.166"></a>
+<span class="sourceLineNo">167</span> ByteString result =
ByteString.copyFrom(this.buf, 0, this.count);<a name="line.167"></a>
+<span class="sourceLineNo">168</span> reset(); // Only resets the count -
we reuse the byte array.<a name="line.168"></a>
+<span class="sourceLineNo">169</span> return result;<a
name="line.169"></a>
+<span class="sourceLineNo">170</span> }<a name="line.170"></a>
+<span class="sourceLineNo">171</span><a name="line.171"></a>
+<span class="sourceLineNo">172</span> private void writeCompressed(byte[]
data, Enum dictIndex) throws IOException {<a name="line.172"></a>
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compressionContext.getDictionary(dictIndex);<a name="line.173"></a>
+<span class="sourceLineNo">174</span> assert dict != null;<a
name="line.174"></a>
+<span class="sourceLineNo">175</span> short dictIdx =
dict.findEntry(data, 0, data.length);<a name="line.175"></a>
+<span class="sourceLineNo">176</span> if (dictIdx ==
Dictionary.NOT_IN_DICTIONARY) {<a name="line.176"></a>
+<span class="sourceLineNo">177</span>
write(Dictionary.NOT_IN_DICTIONARY);<a name="line.177"></a>
+<span class="sourceLineNo">178</span> StreamUtils.writeRawVInt32(this,
data.length);<a name="line.178"></a>
+<span class="sourceLineNo">179</span> write(data, 0, data.length);<a
name="line.179"></a>
+<span class="sourceLineNo">180</span> } else {<a name="line.180"></a>
+<span class="sourceLineNo">181</span> StreamUtils.writeShort(this,
dictIdx);<a name="line.181"></a>
+<span class="sourceLineNo">182</span> }<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> static class NoneCompressor implements
ByteStringCompressor {<a name="line.186"></a>
+<span class="sourceLineNo">187</span><a name="line.187"></a>
+<span class="sourceLineNo">188</span> @Override<a name="line.188"></a>
+<span class="sourceLineNo">189</span> public ByteString compress(byte[]
data, Enum dictIndex) {<a name="line.189"></a>
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UnsafeByteOperations.unsafeWrap(data);<a name="line.190"></a>
+<span class="sourceLineNo">191</span> }<a name="line.191"></a>
+<span class="sourceLineNo">192</span> }<a name="line.192"></a>
+<span class="sourceLineNo">193</span><a name="line.193"></a>
+<span class="sourceLineNo">194</span> static class NoneUncompressor
implements ByteStringUncompressor {<a name="line.194"></a>
+<span class="sourceLineNo">195</span><a name="line.195"></a>
+<span class="sourceLineNo">196</span> @Override<a name="line.196"></a>
+<span class="sourceLineNo">197</span> public byte[] uncompress(ByteString
data, Enum dictIndex) {<a name="line.197"></a>
+<span class="sourceLineNo">198</span> return data.toByteArray();<a
name="line.198"></a>
+<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> private static byte[]
uncompressByteString(ByteString bs, Dictionary dict) throws IOException {<a
name="line.202"></a>
+<span class="sourceLineNo">203</span> InputStream in = bs.newInput();<a
name="line.203"></a>
+<span class="sourceLineNo">204</span> byte status = (byte)in.read();<a
name="line.204"></a>
+<span class="sourceLineNo">205</span> if (status ==
Dictionary.NOT_IN_DICTIONARY) {<a name="line.205"></a>
+<span class="sourceLineNo">206</span> byte[] arr = new
byte[StreamUtils.readRawVarint32(in)];<a name="line.206"></a>
+<span class="sourceLineNo">207</span> int bytesRead = in.read(arr);<a
name="line.207"></a>
+<span class="sourceLineNo">208</span> if (bytesRead != arr.length) {<a
name="line.208"></a>
+<span class="sourceLineNo">209</span> throw new IOException("Cannot
read; wanted " + arr.length + ", but got " + bytesRead);<a name="line.209"></a>
+<span class="sourceLineNo">210</span> }<a name="line.210"></a>
+<span class="sourceLineNo">211</span> if (dict != null)
dict.addEntry(arr, 0, arr.length);<a name="line.211"></a>
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+<span class="sourceLineNo">213</span> } else {<a name="line.213"></a>
+<span class="sourceLineNo">214</span> // Status here is the higher-order
byte of index of the dictionary entry.<a name="line.214"></a>
+<span class="sourceLineNo">215</span> short dictIdx =
StreamUtils.toShort(status, (byte)in.read());<a name="line.215"></a>
+<span class="sourceLineNo">216</span> byte[] entry =
dict.getEntry(dictIdx);<a name="line.216"></a>
+<span class="sourceLineNo">217</span> if (entry == null) {<a
name="line.217"></a>
+<span class="sourceLineNo">218</span> throw new IOException("Missing
dictionary entry for index " + dictIdx);<a name="line.218"></a>
+<span class="sourceLineNo">219</span> }<a name="line.219"></a>
+<span class="sourceLineNo">220</span> return entry;<a name="line.220"></a>
+<span class="sourceLineNo">221</span> }<a name="line.221"></a>
+<span class="sourceLineNo">222</span> }<a name="line.222"></a>
+<span class="sourceLineNo">223</span><a name="line.223"></a>
+<span class="sourceLineNo">224</span> static class CompressedKvEncoder
extends BaseEncoder {<a name="line.224"></a>
+<span class="sourceLineNo">225</span> private final CompressionContext
compression;<a name="line.225"></a>
+<span class="sourceLineNo">226</span> public
CompressedKvEncoder(OutputStream out, CompressionContext compression) {<a
name="line.226"></a>
+<span class="sourceLineNo">227</span> super(out);<a name="line.227"></a>
+<span class="sourceLineNo">228</span> this.compression = compression;<a
name="line.228"></a>
<span class="sourceLineNo">229</span> }<a name="line.229"></a>
-<span class="sourceLineNo">230</span> }<a name="line.230"></a>
-<span class="sourceLineNo">231</span><a name="line.231"></a>
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extends BaseDecoder {<a name="line.232"></a>
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compression;<a name="line.233"></a>
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CompressedKvDecoder(InputStream in, CompressionContext compression) {<a
name="line.234"></a>
-<span class="sourceLineNo">235</span> super(in);<a name="line.235"></a>
-<span class="sourceLineNo">236</span> this.compression = compression;<a
name="line.236"></a>
-<span class="sourceLineNo">237</span> }<a name="line.237"></a>
-<span class="sourceLineNo">238</span><a name="line.238"></a>
-<span class="sourceLineNo">239</span> @Override<a name="line.239"></a>
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IOException {<a name="line.240"></a>
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StreamUtils.readRawVarint32(in);<a name="line.241"></a>
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StreamUtils.readRawVarint32(in);<a name="line.242"></a>
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StreamUtils.readRawVarint32(in);<a name="line.244"></a>
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name="line.245"></a>
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name="line.246"></a>
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KeyValue.KEYVALUE_INFRASTRUCTURE_SIZE + keylength + vlength;<a
name="line.247"></a>
-<span class="sourceLineNo">248</span> } else {<a name="line.248"></a>
-<span class="sourceLineNo">249</span> length =
KeyValue.KEYVALUE_WITH_TAGS_INFRASTRUCTURE_SIZE + keylength + vlength +
tagsLength;<a name="line.249"></a>
-<span class="sourceLineNo">250</span> }<a name="line.250"></a>
-<span class="sourceLineNo">251</span><a name="line.251"></a>
-<span class="sourceLineNo">252</span> byte[] backingArray = new
byte[length];<a name="line.252"></a>
-<span class="sourceLineNo">253</span> int pos = 0;<a name="line.253"></a>
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pos, keylength);<a name="line.254"></a>
-<span class="sourceLineNo">255</span> pos = Bytes.putInt(backingArray,
pos, vlength);<a name="line.255"></a>
-<span class="sourceLineNo">256</span><a name="line.256"></a>
-<span class="sourceLineNo">257</span> // the row<a name="line.257"></a>
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readIntoArray(backingArray, pos + Bytes.SIZEOF_SHORT, compression.rowDict);<a
name="line.258"></a>
-<span class="sourceLineNo">259</span> checkLength(elemLen,
Short.MAX_VALUE);<a name="line.259"></a>
-<span class="sourceLineNo">260</span> pos = Bytes.putShort(backingArray,
pos, (short)elemLen);<a name="line.260"></a>
-<span class="sourceLineNo">261</span> pos += elemLen;<a
name="line.261"></a>
-<span class="sourceLineNo">262</span><a name="line.262"></a>
-<span class="sourceLineNo">263</span> // family<a name="line.263"></a>
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readIntoArray(backingArray, pos + Bytes.SIZEOF_BYTE, compression.familyDict);<a
name="line.264"></a>
-<span class="sourceLineNo">265</span> checkLength(elemLen,
Byte.MAX_VALUE);<a name="line.265"></a>
-<span class="sourceLineNo">266</span> pos = Bytes.putByte(backingArray,
pos, (byte)elemLen);<a name="line.266"></a>
-<span class="sourceLineNo">267</span> pos += elemLen;<a
name="line.267"></a>
+<span class="sourceLineNo">230</span><a name="line.230"></a>
+<span class="sourceLineNo">231</span> @Override<a name="line.231"></a>
+<span class="sourceLineNo">232</span> public void write(Cell cell) throws
IOException {<a name="line.232"></a>
+<span class="sourceLineNo">233</span> // We first write the KeyValue
infrastructure as VInts.<a name="line.233"></a>
+<span class="sourceLineNo">234</span> StreamUtils.writeRawVInt32(out,
KeyValueUtil.keyLength(cell));<a name="line.234"></a>
+<span class="sourceLineNo">235</span> StreamUtils.writeRawVInt32(out,
cell.getValueLength());<a name="line.235"></a>
+<span class="sourceLineNo">236</span> // To support tags<a
name="line.236"></a>
+<span class="sourceLineNo">237</span> int tagsLength =
cell.getTagsLength();<a name="line.237"></a>
+<span class="sourceLineNo">238</span> StreamUtils.writeRawVInt32(out,
tagsLength);<a name="line.238"></a>
+<span class="sourceLineNo">239</span> PrivateCellUtil.compressRow(out,
cell,<a name="line.239"></a>
+<span class="sourceLineNo">240</span>
compression.getDictionary(CompressionContext.DictionaryIndex.ROW));<a
name="line.240"></a>
+<span class="sourceLineNo">241</span> PrivateCellUtil.compressFamily(out,
cell,<a name="line.241"></a>
+<span class="sourceLineNo">242</span>
compression.getDictionary(CompressionContext.DictionaryIndex.FAMILY));<a
name="line.242"></a>
+<span class="sourceLineNo">243</span>
PrivateCellUtil.compressQualifier(out, cell,<a name="line.243"></a>
+<span class="sourceLineNo">244</span>
compression.getDictionary(CompressionContext.DictionaryIndex.QUALIFIER));<a
name="line.244"></a>
+<span class="sourceLineNo">245</span> // Write timestamp, type and value
as uncompressed.<a name="line.245"></a>
+<span class="sourceLineNo">246</span> StreamUtils.writeLong(out,
cell.getTimestamp());<a name="line.246"></a>
+<span class="sourceLineNo">247</span> out.write(cell.getTypeByte());<a
name="line.247"></a>
+<span class="sourceLineNo">248</span> PrivateCellUtil.writeValue(out,
cell, cell.getValueLength());<a name="line.248"></a>
+<span class="sourceLineNo">249</span> if (tagsLength > 0) {<a
name="line.249"></a>
+<span class="sourceLineNo">250</span> if
(compression.tagCompressionContext != null) {<a name="line.250"></a>
+<span class="sourceLineNo">251</span> // Write tags using Dictionary
compression<a name="line.251"></a>
+<span class="sourceLineNo">252</span>
PrivateCellUtil.compressTags(out, cell, compression.tagCompressionContext);<a
name="line.252"></a>
+<span class="sourceLineNo">253</span> } else {<a name="line.253"></a>
+<span class="sourceLineNo">254</span> // Tag compression is disabled
within the WAL compression. Just write the tags bytes as<a name="line.254"></a>
+<span class="sourceLineNo">255</span> // it is.<a name="line.255"></a>
+<span class="sourceLineNo">256</span> PrivateCellUtil.writeTags(out,
cell, tagsLength);<a name="line.256"></a>
+<span class="sourceLineNo">257</span> }<a name="line.257"></a>
+<span class="sourceLineNo">258</span> }<a name="line.258"></a>
+<span class="sourceLineNo">259</span> }<a name="line.259"></a>
+<span class="sourceLineNo">260</span> }<a name="line.260"></a>
+<span class="sourceLineNo">261</span><a name="line.261"></a>
+<span class="sourceLineNo">262</span> static class CompressedKvDecoder
extends BaseDecoder {<a name="line.262"></a>
+<span class="sourceLineNo">263</span> private final CompressionContext
compression;<a name="line.263"></a>
+<span class="sourceLineNo">264</span> public
CompressedKvDecoder(InputStream in, CompressionContext compression) {<a
name="line.264"></a>
+<span class="sourceLineNo">265</span> super(in);<a name="line.265"></a>
+<span class="sourceLineNo">266</span> this.compression = compression;<a
name="line.266"></a>
+<span class="sourceLineNo">267</span> }<a name="line.267"></a>
<span class="sourceLineNo">268</span><a name="line.268"></a>
-<span class="sourceLineNo">269</span> // qualifier<a name="line.269"></a>
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readIntoArray(backingArray, pos, compression.qualifierDict);<a
name="line.270"></a>
-<span class="sourceLineNo">271</span> pos += elemLen;<a
name="line.271"></a>
-<span class="sourceLineNo">272</span><a name="line.272"></a>
-<span class="sourceLineNo">273</span> // timestamp, type and value<a
name="line.273"></a>
-<span class="sourceLineNo">274</span> int tsTypeValLen = length - pos;<a
name="line.274"></a>
-<span class="sourceLineNo">275</span> if (tagsLength > 0) {<a
name="line.275"></a>
-<span class="sourceLineNo">276</span> tsTypeValLen = tsTypeValLen -
tagsLength - KeyValue.TAGS_LENGTH_SIZE;<a name="line.276"></a>
-<span class="sourceLineNo">277</span> }<a name="line.277"></a>
-<span class="sourceLineNo">278</span> IOUtils.readFully(in, backingArray,
pos, tsTypeValLen);<a name="line.278"></a>
-<span class="sourceLineNo">279</span> pos += tsTypeValLen;<a
name="line.279"></a>
-<span class="sourceLineNo">280</span><a name="line.280"></a>
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StreamUtils.readRawVarint32(in);<a name="line.272"></a>
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readIntoArray(backingArray, pos + Bytes.SIZEOF_SHORT,<a name="line.288"></a>
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compression.getDictionary(CompressionContext.DictionaryIndex.ROW));<a
name="line.289"></a>
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Short.MAX_VALUE);<a name="line.290"></a>
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pos, (short)elemLen);<a name="line.291"></a>
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name="line.292"></a>
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readIntoArray(backingArray, pos + Bytes.SIZEOF_BYTE,<a name="line.295"></a>
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compression.getDictionary(CompressionContext.DictionaryIndex.FAMILY));<a
name="line.296"></a>
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Byte.MAX_VALUE);<a name="line.297"></a>
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readIntoArray(backingArray, pos,<a name="line.302"></a>
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compression.getDictionary(CompressionContext.DictionaryIndex.QUALIFIER));<a
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name="line.304"></a>
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name="line.308"></a>
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compression.tagCompressionContext.uncompressTags(in, backingArray, pos,
tagsLength);<a name="line.318"></a>
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name="line.327"></a>
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Dictionary.NOT_IN_DICTIONARY) {<a name="line.328"></a>
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data to be read is not in dictionary.<a name="line.329"></a>
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dictionary, we need to add to the dictionary.<a name="line.330"></a>
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StreamUtils.readRawVarint32(in);<a name="line.331"></a>
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length);<a name="line.332"></a>
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length);<a name="line.333"></a>
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name="line.334"></a>
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StreamUtils.toShort(status, (byte)in.read());<a name="line.337"></a>
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dict.getEntry(dictIdx);<a name="line.338"></a>
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name="line.339"></a>
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name="line.349"></a>
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name="line.363"></a>
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extends BaseEncoder {<a name="line.355"></a>
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out) {<a name="line.356"></a>
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IOException {<a name="line.360"></a>
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name="line.361"></a>
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this.out, true);<a name="line.364"></a>
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is) {<a name="line.369"></a>
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name="line.370"></a>
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KeyValueCodecWithTags.KeyValueDecoder(is) : new CompressedKvDecoder(is,
compression);<a name="line.371"></a>
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{<a name="line.375"></a>
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ByteBuffInputStream(buf));<a name="line.376"></a>
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os) {<a name="line.380"></a>
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? os<a name="line.381"></a>
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ByteBufferWriterOutputStream(os);<a name="line.382"></a>
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name="line.383"></a>
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name="line.384"></a>
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compression);<a name="line.386"></a>
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getByteStringCompressor() {<a name="line.389"></a>
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BaosAndCompressor(compression);<a name="line.390"></a>
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getByteStringUncompressor() {<a name="line.393"></a>
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StatelessUncompressor(compression);<a name="line.394"></a>
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getNoneCompressor() {<a name="line.397"></a>
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name="line.398"></a>
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getNoneUncompressor() {<a name="line.401"></a>
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name="line.402"></a>
+<span class="sourceLineNo">403</span> }<a name="line.403"></a>
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