http://git-wip-us.apache.org/repos/asf/hbase-site/blob/e11cf2cb/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/wal/WALCellCodec.html ---------------------------------------------------------------------- diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/wal/WALCellCodec.html b/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/wal/WALCellCodec.html index 83c17c0..9df0225 100644 --- a/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/wal/WALCellCodec.html +++ b/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/wal/WALCellCodec.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> +<span class="sourceLineNo">157</span> // We need this copy to create the 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> -<span class="sourceLineNo">162</span> private void writeCompressed(byte[] data, Dictionary dict) throws IOException {<a name="line.162"></a> -<span class="sourceLineNo">163</span> assert dict != null;<a name="line.163"></a> -<span class="sourceLineNo">164</span> short dictIdx = dict.findEntry(data, 0, data.length);<a name="line.164"></a> -<span class="sourceLineNo">165</span> if (dictIdx == Dictionary.NOT_IN_DICTIONARY) {<a name="line.165"></a> -<span class="sourceLineNo">166</span> write(Dictionary.NOT_IN_DICTIONARY);<a name="line.166"></a> -<span class="sourceLineNo">167</span> StreamUtils.writeRawVInt32(this, data.length);<a name="line.167"></a> -<span class="sourceLineNo">168</span> write(data, 0, data.length);<a name="line.168"></a> -<span class="sourceLineNo">169</span> } else {<a name="line.169"></a> -<span class="sourceLineNo">170</span> StreamUtils.writeShort(this, dictIdx);<a name="line.170"></a> -<span class="sourceLineNo">171</span> }<a name="line.171"></a> -<span class="sourceLineNo">172</span> }<a name="line.172"></a> -<span class="sourceLineNo">173</span> }<a name="line.173"></a> -<span class="sourceLineNo">174</span><a name="line.174"></a> -<span class="sourceLineNo">175</span> private static byte[] uncompressByteString(ByteString bs, Dictionary dict) throws IOException {<a name="line.175"></a> -<span class="sourceLineNo">176</span> InputStream in = bs.newInput();<a name="line.176"></a> -<span class="sourceLineNo">177</span> byte status = (byte)in.read();<a name="line.177"></a> -<span class="sourceLineNo">178</span> if (status == Dictionary.NOT_IN_DICTIONARY) {<a name="line.178"></a> -<span class="sourceLineNo">179</span> byte[] arr = new byte[StreamUtils.readRawVarint32(in)];<a name="line.179"></a> -<span class="sourceLineNo">180</span> int bytesRead = in.read(arr);<a name="line.180"></a> -<span class="sourceLineNo">181</span> if (bytesRead != arr.length) {<a name="line.181"></a> -<span class="sourceLineNo">182</span> throw new IOException("Cannot read; wanted " + arr.length + ", but got " + bytesRead);<a name="line.182"></a> -<span class="sourceLineNo">183</span> }<a name="line.183"></a> -<span class="sourceLineNo">184</span> if (dict != null) dict.addEntry(arr, 0, arr.length);<a name="line.184"></a> -<span class="sourceLineNo">185</span> return arr;<a name="line.185"></a> -<span class="sourceLineNo">186</span> } else {<a name="line.186"></a> -<span class="sourceLineNo">187</span> // Status here is the higher-order byte of index of the dictionary entry.<a name="line.187"></a> -<span class="sourceLineNo">188</span> short dictIdx = StreamUtils.toShort(status, (byte)in.read());<a name="line.188"></a> -<span class="sourceLineNo">189</span> byte[] entry = dict.getEntry(dictIdx);<a name="line.189"></a> -<span class="sourceLineNo">190</span> if (entry == null) {<a name="line.190"></a> -<span class="sourceLineNo">191</span> throw new IOException("Missing dictionary entry for index " + dictIdx);<a name="line.191"></a> -<span class="sourceLineNo">192</span> }<a name="line.192"></a> -<span class="sourceLineNo">193</span> return entry;<a name="line.193"></a> -<span class="sourceLineNo">194</span> }<a name="line.194"></a> -<span class="sourceLineNo">195</span> }<a name="line.195"></a> -<span class="sourceLineNo">196</span><a name="line.196"></a> -<span class="sourceLineNo">197</span> static class CompressedKvEncoder extends BaseEncoder {<a name="line.197"></a> -<span class="sourceLineNo">198</span> private final CompressionContext compression;<a name="line.198"></a> -<span class="sourceLineNo">199</span> public CompressedKvEncoder(OutputStream out, CompressionContext compression) {<a name="line.199"></a> -<span class="sourceLineNo">200</span> super(out);<a name="line.200"></a> -<span class="sourceLineNo">201</span> this.compression = compression;<a name="line.201"></a> -<span class="sourceLineNo">202</span> }<a name="line.202"></a> -<span class="sourceLineNo">203</span><a name="line.203"></a> -<span class="sourceLineNo">204</span> @Override<a name="line.204"></a> -<span class="sourceLineNo">205</span> public void write(Cell cell) throws IOException {<a name="line.205"></a> -<span class="sourceLineNo">206</span> // We first write the KeyValue infrastructure as VInts.<a name="line.206"></a> -<span class="sourceLineNo">207</span> StreamUtils.writeRawVInt32(out, KeyValueUtil.keyLength(cell));<a name="line.207"></a> -<span class="sourceLineNo">208</span> StreamUtils.writeRawVInt32(out, cell.getValueLength());<a name="line.208"></a> -<span class="sourceLineNo">209</span> // To support tags<a name="line.209"></a> -<span class="sourceLineNo">210</span> int tagsLength = cell.getTagsLength();<a name="line.210"></a> -<span class="sourceLineNo">211</span> StreamUtils.writeRawVInt32(out, tagsLength);<a name="line.211"></a> -<span class="sourceLineNo">212</span> PrivateCellUtil.compressRow(out, cell, compression.rowDict);<a name="line.212"></a> -<span class="sourceLineNo">213</span> PrivateCellUtil.compressFamily(out, cell, compression.familyDict);<a name="line.213"></a> -<span class="sourceLineNo">214</span> PrivateCellUtil.compressQualifier(out, cell, compression.qualifierDict);<a name="line.214"></a> -<span class="sourceLineNo">215</span> // Write timestamp, type and value as uncompressed.<a name="line.215"></a> -<span class="sourceLineNo">216</span> StreamUtils.writeLong(out, cell.getTimestamp());<a name="line.216"></a> -<span class="sourceLineNo">217</span> out.write(cell.getTypeByte());<a name="line.217"></a> -<span class="sourceLineNo">218</span> PrivateCellUtil.writeValue(out, cell, cell.getValueLength());<a name="line.218"></a> -<span class="sourceLineNo">219</span> if (tagsLength > 0) {<a name="line.219"></a> -<span class="sourceLineNo">220</span> if (compression.tagCompressionContext != null) {<a name="line.220"></a> -<span class="sourceLineNo">221</span> // Write tags using Dictionary compression<a name="line.221"></a> -<span class="sourceLineNo">222</span> PrivateCellUtil.compressTags(out, cell, compression.tagCompressionContext);<a name="line.222"></a> -<span class="sourceLineNo">223</span> } else {<a name="line.223"></a> -<span class="sourceLineNo">224</span> // Tag compression is disabled 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> -<span class="sourceLineNo">226</span> PrivateCellUtil.writeTags(out, 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> +<span class="sourceLineNo">173</span> Dictionary dict = 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> +<span class="sourceLineNo">190</span> return 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 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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> +<span class="sourceLineNo">212</span> return arr;<a name="line.212"></a> +<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> -<span class="sourceLineNo">232</span> static class CompressedKvDecoder extends BaseDecoder {<a name="line.232"></a> -<span class="sourceLineNo">233</span> private final CompressionContext compression;<a name="line.233"></a> -<span class="sourceLineNo">234</span> public 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> -<span class="sourceLineNo">240</span> protected Cell parseCell() throws IOException {<a name="line.240"></a> -<span class="sourceLineNo">241</span> int keylength = StreamUtils.readRawVarint32(in);<a name="line.241"></a> -<span class="sourceLineNo">242</span> int vlength = StreamUtils.readRawVarint32(in);<a name="line.242"></a> -<span class="sourceLineNo">243</span><a name="line.243"></a> -<span class="sourceLineNo">244</span> int tagsLength = StreamUtils.readRawVarint32(in);<a name="line.244"></a> -<span class="sourceLineNo">245</span> int length = 0;<a name="line.245"></a> -<span class="sourceLineNo">246</span> if(tagsLength == 0) {<a name="line.246"></a> -<span class="sourceLineNo">247</span> length = 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> -<span class="sourceLineNo">254</span> pos = Bytes.putInt(backingArray, 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> -<span class="sourceLineNo">258</span> int elemLen = 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> -<span class="sourceLineNo">264</span> elemLen = 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> -<span class="sourceLineNo">270</span> elemLen = 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> -<span class="sourceLineNo">281</span> // tags<a name="line.281"></a> -<span class="sourceLineNo">282</span> if (tagsLength > 0) {<a name="line.282"></a> -<span class="sourceLineNo">283</span> pos = Bytes.putAsShort(backingArray, pos, tagsLength);<a name="line.283"></a> -<span class="sourceLineNo">284</span> if (compression.tagCompressionContext != null) {<a name="line.284"></a> -<span class="sourceLineNo">285</span> compression.tagCompressionContext.uncompressTags(in, backingArray, pos, tagsLength);<a name="line.285"></a> -<span class="sourceLineNo">286</span> } else {<a name="line.286"></a> -<span class="sourceLineNo">287</span> IOUtils.readFully(in, backingArray, pos, tagsLength);<a name="line.287"></a> -<span class="sourceLineNo">288</span> }<a name="line.288"></a> -<span class="sourceLineNo">289</span> }<a name="line.289"></a> -<span class="sourceLineNo">290</span> return new KeyValue(backingArray, 0, length);<a name="line.290"></a> -<span class="sourceLineNo">291</span> }<a name="line.291"></a> -<span class="sourceLineNo">292</span><a name="line.292"></a> -<span class="sourceLineNo">293</span> private int readIntoArray(byte[] to, int offset, Dictionary dict) throws IOException {<a name="line.293"></a> -<span class="sourceLineNo">294</span> byte status = (byte)in.read();<a name="line.294"></a> -<span class="sourceLineNo">295</span> if (status == Dictionary.NOT_IN_DICTIONARY) {<a name="line.295"></a> -<span class="sourceLineNo">296</span> // status byte indicating that data to be read is not in dictionary.<a name="line.296"></a> -<span class="sourceLineNo">297</span> // if this isn't in the dictionary, we need to add to the dictionary.<a name="line.297"></a> 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class="sourceLineNo">318</span> }<a name="line.318"></a> -<span class="sourceLineNo">319</span> }<a name="line.319"></a> -<span class="sourceLineNo">320</span> }<a name="line.320"></a> -<span class="sourceLineNo">321</span><a name="line.321"></a> -<span class="sourceLineNo">322</span> public static class EnsureKvEncoder extends BaseEncoder {<a name="line.322"></a> -<span class="sourceLineNo">323</span> public EnsureKvEncoder(OutputStream out) {<a name="line.323"></a> -<span class="sourceLineNo">324</span> super(out);<a name="line.324"></a> -<span class="sourceLineNo">325</span> }<a name="line.325"></a> -<span class="sourceLineNo">326</span> @Override<a name="line.326"></a> -<span class="sourceLineNo">327</span> public void write(Cell cell) throws IOException {<a name="line.327"></a> -<span class="sourceLineNo">328</span> checkFlushed();<a name="line.328"></a> -<span class="sourceLineNo">329</span> // Make sure to write tags into WAL<a name="line.329"></a> -<span class="sourceLineNo">330</span> ByteBufferUtils.putInt(this.out, KeyValueUtil.getSerializedSize(cell, true));<a name="line.330"></a> -<span class="sourceLineNo">331</span> KeyValueUtil.oswrite(cell, this.out, true);<a name="line.331"></a> -<span class="sourceLineNo">332</span> }<a name="line.332"></a> -<span class="sourceLineNo">333</span> }<a name="line.333"></a> -<span class="sourceLineNo">334</span><a name="line.334"></a> -<span class="sourceLineNo">335</span> @Override<a name="line.335"></a> -<span class="sourceLineNo">336</span> public Decoder getDecoder(InputStream is) {<a name="line.336"></a> -<span class="sourceLineNo">337</span> return (compression == null)<a name="line.337"></a> -<span class="sourceLineNo">338</span> ? new KeyValueCodecWithTags.KeyValueDecoder(is) : new CompressedKvDecoder(is, compression);<a name="line.338"></a> -<span class="sourceLineNo">339</span> }<a name="line.339"></a> -<span class="sourceLineNo">340</span><a name="line.340"></a> -<span class="sourceLineNo">341</span> @Override<a name="line.341"></a> -<span class="sourceLineNo">342</span> public Decoder getDecoder(ByteBuff buf) {<a name="line.342"></a> -<span class="sourceLineNo">343</span> return getDecoder(new ByteBuffInputStream(buf));<a name="line.343"></a> -<span class="sourceLineNo">344</span> }<a name="line.344"></a> -<span class="sourceLineNo">345</span><a name="line.345"></a> -<span class="sourceLineNo">346</span> @Override<a name="line.346"></a> -<span class="sourceLineNo">347</span> public Encoder getEncoder(OutputStream os) {<a name="line.347"></a> -<span class="sourceLineNo">348</span> os = (os instanceof ByteBufferWriter) ? os<a name="line.348"></a> -<span class="sourceLineNo">349</span> : new ByteBufferWriterOutputStream(os);<a name="line.349"></a> -<span class="sourceLineNo">350</span> if (compression == null) {<a name="line.350"></a> -<span class="sourceLineNo">351</span> return new EnsureKvEncoder(os);<a name="line.351"></a> +<span class="sourceLineNo">269</span> @Override<a name="line.269"></a> +<span class="sourceLineNo">270</span> protected Cell parseCell() throws IOException {<a name="line.270"></a> +<span class="sourceLineNo">271</span> int keylength = StreamUtils.readRawVarint32(in);<a name="line.271"></a> +<span class="sourceLineNo">272</span> int vlength = StreamUtils.readRawVarint32(in);<a name="line.272"></a> +<span class="sourceLineNo">273</span><a name="line.273"></a> +<span class="sourceLineNo">274</span> int tagsLength = StreamUtils.readRawVarint32(in);<a name="line.274"></a> +<span class="sourceLineNo">275</span> int length = 0;<a name="line.275"></a> +<span class="sourceLineNo">276</span> if(tagsLength == 0) {<a name="line.276"></a> +<span class="sourceLineNo">277</span> length = KeyValue.KEYVALUE_INFRASTRUCTURE_SIZE + keylength + vlength;<a name="line.277"></a> +<span class="sourceLineNo">278</span> } else {<a name="line.278"></a> +<span class="sourceLineNo">279</span> length = KeyValue.KEYVALUE_WITH_TAGS_INFRASTRUCTURE_SIZE + keylength + vlength + tagsLength;<a name="line.279"></a> +<span class="sourceLineNo">280</span> }<a name="line.280"></a> +<span class="sourceLineNo">281</span><a name="line.281"></a> +<span class="sourceLineNo">282</span> byte[] backingArray = new byte[length];<a name="line.282"></a> +<span class="sourceLineNo">283</span> int pos = 0;<a name="line.283"></a> +<span class="sourceLineNo">284</span> pos = Bytes.putInt(backingArray, pos, keylength);<a name="line.284"></a> +<span class="sourceLineNo">285</span> pos = Bytes.putInt(backingArray, pos, vlength);<a name="line.285"></a> +<span class="sourceLineNo">286</span><a name="line.286"></a> +<span class="sourceLineNo">287</span> // the row<a name="line.287"></a> +<span class="sourceLineNo">288</span> int elemLen = readIntoArray(backingArray, pos + Bytes.SIZEOF_SHORT,<a name="line.288"></a> +<span class="sourceLineNo">289</span> compression.getDictionary(CompressionContext.DictionaryIndex.ROW));<a name="line.289"></a> +<span class="sourceLineNo">290</span> checkLength(elemLen, Short.MAX_VALUE);<a name="line.290"></a> +<span class="sourceLineNo">291</span> pos = Bytes.putShort(backingArray, pos, (short)elemLen);<a name="line.291"></a> +<span class="sourceLineNo">292</span> pos += elemLen;<a name="line.292"></a> +<span class="sourceLineNo">293</span><a name="line.293"></a> +<span class="sourceLineNo">294</span> // family<a name="line.294"></a> +<span class="sourceLineNo">295</span> elemLen = readIntoArray(backingArray, pos + Bytes.SIZEOF_BYTE,<a name="line.295"></a> +<span class="sourceLineNo">296</span> compression.getDictionary(CompressionContext.DictionaryIndex.FAMILY));<a name="line.296"></a> +<span class="sourceLineNo">297</span> checkLength(elemLen, Byte.MAX_VALUE);<a name="line.297"></a> +<span class="sourceLineNo">298</span> pos = Bytes.putByte(backingArray, pos, (byte)elemLen);<a name="line.298"></a> +<span class="sourceLineNo">299</span> pos += elemLen;<a name="line.299"></a> +<span class="sourceLineNo">300</span><a name="line.300"></a> +<span class="sourceLineNo">301</span> // qualifier<a name="line.301"></a> +<span class="sourceLineNo">302</span> elemLen = readIntoArray(backingArray, pos,<a name="line.302"></a> +<span class="sourceLineNo">303</span> compression.getDictionary(CompressionContext.DictionaryIndex.QUALIFIER));<a name="line.303"></a> +<span class="sourceLineNo">304</span> pos += elemLen;<a name="line.304"></a> +<span class="sourceLineNo">305</span><a name="line.305"></a> +<span class="sourceLineNo">306</span> // timestamp, type and value<a name="line.306"></a> +<span class="sourceLineNo">307</span> int tsTypeValLen = length - pos;<a name="line.307"></a> +<span class="sourceLineNo">308</span> if (tagsLength > 0) {<a name="line.308"></a> +<span class="sourceLineNo">309</span> tsTypeValLen = tsTypeValLen - tagsLength - KeyValue.TAGS_LENGTH_SIZE;<a name="line.309"></a> +<span class="sourceLineNo">310</span> }<a name="line.310"></a> +<span class="sourceLineNo">311</span> IOUtils.readFully(in, backingArray, pos, tsTypeValLen);<a name="line.311"></a> +<span class="sourceLineNo">312</span> pos += tsTypeValLen;<a name="line.312"></a> +<span class="sourceLineNo">313</span><a name="line.313"></a> +<span class="sourceLineNo">314</span> // tags<a name="line.314"></a> +<span class="sourceLineNo">315</span> if (tagsLength > 0) {<a name="line.315"></a> +<span class="sourceLineNo">316</span> pos = Bytes.putAsShort(backingArray, pos, tagsLength);<a name="line.316"></a> +<span class="sourceLineNo">317</span> if (compression.tagCompressionContext != null) {<a name="line.317"></a> +<span class="sourceLineNo">318</span> compression.tagCompressionContext.uncompressTags(in, backingArray, pos, tagsLength);<a name="line.318"></a> +<span class="sourceLineNo">319</span> } else {<a name="line.319"></a> +<span class="sourceLineNo">320</span> IOUtils.readFully(in, backingArray, pos, tagsLength);<a name="line.320"></a> +<span class="sourceLineNo">321</span> }<a name="line.321"></a> +<span class="sourceLineNo">322</span> }<a name="line.322"></a> +<span class="sourceLineNo">323</span> return new KeyValue(backingArray, 0, length);<a name="line.323"></a> +<span class="sourceLineNo">324</span> }<a name="line.324"></a> +<span class="sourceLineNo">325</span><a name="line.325"></a> +<span class="sourceLineNo">326</span> private int readIntoArray(byte[] to, int offset, Dictionary dict) throws IOException {<a name="line.326"></a> +<span class="sourceLineNo">327</span> byte status = (byte)in.read();<a name="line.327"></a> +<span class="sourceLineNo">328</span> if (status == Dictionary.NOT_IN_DICTIONARY) {<a name="line.328"></a> +<span class="sourceLineNo">329</span> // status byte indicating that data to be read is not in dictionary.<a name="line.329"></a> +<span class="sourceLineNo">330</span> // if this isn't in the dictionary, we need to add to the dictionary.<a name="line.330"></a> +<span class="sourceLineNo">331</span> int length = StreamUtils.readRawVarint32(in);<a name="line.331"></a> +<span class="sourceLineNo">332</span> IOUtils.readFully(in, to, offset, length);<a name="line.332"></a> +<span class="sourceLineNo">333</span> dict.addEntry(to, offset, length);<a name="line.333"></a> +<span class="sourceLineNo">334</span> return length;<a name="line.334"></a> +<span class="sourceLineNo">335</span> } else {<a name="line.335"></a> +<span class="sourceLineNo">336</span> // the status byte also acts as the higher order byte of the dictionary entry.<a name="line.336"></a> +<span class="sourceLineNo">337</span> short dictIdx = StreamUtils.toShort(status, (byte)in.read());<a name="line.337"></a> +<span class="sourceLineNo">338</span> byte[] entry = dict.getEntry(dictIdx);<a name="line.338"></a> +<span class="sourceLineNo">339</span> if (entry == null) {<a name="line.339"></a> +<span class="sourceLineNo">340</span> throw new IOException("Missing dictionary entry for index " + dictIdx);<a name="line.340"></a> +<span class="sourceLineNo">341</span> }<a name="line.341"></a> +<span class="sourceLineNo">342</span> // now we write the uncompressed value.<a name="line.342"></a> +<span class="sourceLineNo">343</span> Bytes.putBytes(to, offset, entry, 0, entry.length);<a name="line.343"></a> +<span class="sourceLineNo">344</span> return entry.length;<a name="line.344"></a> +<span class="sourceLineNo">345</span> }<a name="line.345"></a> +<span class="sourceLineNo">346</span> }<a name="line.346"></a> +<span class="sourceLineNo">347</span><a name="line.347"></a> +<span class="sourceLineNo">348</span> private static void checkLength(int len, int max) throws IOException {<a name="line.348"></a> +<span class="sourceLineNo">349</span> if (len < 0 || len > max) {<a name="line.349"></a> +<span class="sourceLineNo">350</span> throw new IOException("Invalid length for compresesed portion of keyvalue: " + len);<a name="line.350"></a> +<span class="sourceLineNo">351</span> }<a name="line.351"></a> <span class="sourceLineNo">352</span> }<a name="line.352"></a> -<span class="sourceLineNo">353</span> return new CompressedKvEncoder(os, compression);<a name="line.353"></a> -<span class="sourceLineNo">354</span> }<a name="line.354"></a> -<span class="sourceLineNo">355</span><a name="line.355"></a> -<span class="sourceLineNo">356</span> public ByteStringCompressor getByteStringCompressor() {<a name="line.356"></a> -<span class="sourceLineNo">357</span> // TODO: ideally this should also encapsulate compressionContext<a name="line.357"></a> -<span class="sourceLineNo">358</span> return new BaosAndCompressor();<a name="line.358"></a> -<span class="sourceLineNo">359</span> }<a name="line.359"></a> -<span class="sourceLineNo">360</span><a name="line.360"></a> -<span class="sourceLineNo">361</span> public ByteStringUncompressor getByteStringUncompressor() {<a name="line.361"></a> -<span class="sourceLineNo">362</span> // TODO: ideally this should also encapsulate compressionContext<a name="line.362"></a> -<span class="sourceLineNo">363</span> return this.statelessUncompressor;<a name="line.363"></a> -<span class="sourceLineNo">364</span> }<a name="line.364"></a> -<span class="sourceLineNo">365</span>}<a name="line.365"></a> +<span class="sourceLineNo">353</span> }<a name="line.353"></a> +<span class="sourceLineNo">354</span><a name="line.354"></a> +<span class="sourceLineNo">355</span> public static class EnsureKvEncoder extends BaseEncoder {<a name="line.355"></a> +<span class="sourceLineNo">356</span> public EnsureKvEncoder(OutputStream out) {<a name="line.356"></a> +<span class="sourceLineNo">357</span> super(out);<a name="line.357"></a> +<span class="sourceLineNo">358</span> }<a name="line.358"></a> +<span class="sourceLineNo">359</span> @Override<a name="line.359"></a> +<span class="sourceLineNo">360</span> public void write(Cell cell) throws IOException {<a 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