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Posted to commits@hbase.apache.org by mi...@apache.org on 2016/03/04 18:51:00 UTC

[16/51] [partial] hbase-site git commit: Published site at 7dabcf23e8dd53f563981e1e03f82336fc0a44da.

http://git-wip-us.apache.org/repos/asf/hbase-site/blob/3e48e84d/devapidocs/src-html/org/apache/hadoop/hbase/io/encoding/BufferedDataBlockEncoder.OnheapDecodedCell.html
----------------------------------------------------------------------
diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/io/encoding/BufferedDataBlockEncoder.OnheapDecodedCell.html b/devapidocs/src-html/org/apache/hadoop/hbase/io/encoding/BufferedDataBlockEncoder.OnheapDecodedCell.html
index d8b6ca7..66dbcf3 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/io/encoding/BufferedDataBlockEncoder.OnheapDecodedCell.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/io/encoding/BufferedDataBlockEncoder.OnheapDecodedCell.html
@@ -31,12 +31,12 @@
 <span class="sourceLineNo">023</span>import java.nio.ByteBuffer;<a name="line.23"></a>
 <span class="sourceLineNo">024</span><a name="line.24"></a>
 <span class="sourceLineNo">025</span>import org.apache.hadoop.hbase.ByteBufferedCell;<a name="line.25"></a>
-<span class="sourceLineNo">026</span>import org.apache.hadoop.hbase.Cell;<a name="line.26"></a>
-<span class="sourceLineNo">027</span>import org.apache.hadoop.hbase.CellComparator;<a name="line.27"></a>
-<span class="sourceLineNo">028</span>import org.apache.hadoop.hbase.CellUtil;<a name="line.28"></a>
-<span class="sourceLineNo">029</span>import org.apache.hadoop.hbase.HConstants;<a name="line.29"></a>
-<span class="sourceLineNo">030</span>import org.apache.hadoop.hbase.KeyValue;<a name="line.30"></a>
-<span class="sourceLineNo">031</span>import org.apache.hadoop.hbase.ByteBufferedKeyOnlyKeyValue;<a name="line.31"></a>
+<span class="sourceLineNo">026</span>import org.apache.hadoop.hbase.ByteBufferedKeyOnlyKeyValue;<a name="line.26"></a>
+<span class="sourceLineNo">027</span>import org.apache.hadoop.hbase.Cell;<a name="line.27"></a>
+<span class="sourceLineNo">028</span>import org.apache.hadoop.hbase.CellComparator;<a name="line.28"></a>
+<span class="sourceLineNo">029</span>import org.apache.hadoop.hbase.CellUtil;<a name="line.29"></a>
+<span class="sourceLineNo">030</span>import org.apache.hadoop.hbase.HConstants;<a name="line.30"></a>
+<span class="sourceLineNo">031</span>import org.apache.hadoop.hbase.KeyValue;<a name="line.31"></a>
 <span class="sourceLineNo">032</span>import org.apache.hadoop.hbase.KeyValue.Type;<a name="line.32"></a>
 <span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.KeyValueUtil;<a name="line.33"></a>
 <span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.SettableSequenceId;<a name="line.34"></a>
@@ -60,1113 +60,1115 @@
 <span class="sourceLineNo">052</span> */<a name="line.52"></a>
 <span class="sourceLineNo">053</span>@InterfaceAudience.Private<a name="line.53"></a>
 <span class="sourceLineNo">054</span>abstract class BufferedDataBlockEncoder implements DataBlockEncoder {<a name="line.54"></a>
-<span class="sourceLineNo">055</span><a name="line.55"></a>
-<span class="sourceLineNo">056</span>  private static int INITIAL_KEY_BUFFER_SIZE = 512;<a name="line.56"></a>
-<span class="sourceLineNo">057</span><a name="line.57"></a>
-<span class="sourceLineNo">058</span>  @Override<a name="line.58"></a>
-<span class="sourceLineNo">059</span>  public ByteBuffer decodeKeyValues(DataInputStream source,<a name="line.59"></a>
-<span class="sourceLineNo">060</span>      HFileBlockDecodingContext blkDecodingCtx) throws IOException {<a name="line.60"></a>
-<span class="sourceLineNo">061</span>    if (blkDecodingCtx.getClass() != HFileBlockDefaultDecodingContext.class) {<a name="line.61"></a>
-<span class="sourceLineNo">062</span>      throw new IOException(this.getClass().getName() + " only accepts "<a name="line.62"></a>
-<span class="sourceLineNo">063</span>          + HFileBlockDefaultDecodingContext.class.getName() + " as the decoding context.");<a name="line.63"></a>
-<span class="sourceLineNo">064</span>    }<a name="line.64"></a>
-<span class="sourceLineNo">065</span><a name="line.65"></a>
-<span class="sourceLineNo">066</span>    HFileBlockDefaultDecodingContext decodingCtx =<a name="line.66"></a>
-<span class="sourceLineNo">067</span>        (HFileBlockDefaultDecodingContext) blkDecodingCtx;<a name="line.67"></a>
-<span class="sourceLineNo">068</span>    if (decodingCtx.getHFileContext().isIncludesTags()<a name="line.68"></a>
-<span class="sourceLineNo">069</span>        &amp;&amp; decodingCtx.getHFileContext().isCompressTags()) {<a name="line.69"></a>
-<span class="sourceLineNo">070</span>      if (decodingCtx.getTagCompressionContext() != null) {<a name="line.70"></a>
-<span class="sourceLineNo">071</span>        // It will be overhead to create the TagCompressionContext again and again for every block<a name="line.71"></a>
-<span class="sourceLineNo">072</span>        // decoding.<a name="line.72"></a>
-<span class="sourceLineNo">073</span>        decodingCtx.getTagCompressionContext().clear();<a name="line.73"></a>
-<span class="sourceLineNo">074</span>      } else {<a name="line.74"></a>
-<span class="sourceLineNo">075</span>        try {<a name="line.75"></a>
-<span class="sourceLineNo">076</span>          TagCompressionContext tagCompressionContext = new TagCompressionContext(<a name="line.76"></a>
-<span class="sourceLineNo">077</span>              LRUDictionary.class, Byte.MAX_VALUE);<a name="line.77"></a>
-<span class="sourceLineNo">078</span>          decodingCtx.setTagCompressionContext(tagCompressionContext);<a name="line.78"></a>
-<span class="sourceLineNo">079</span>        } catch (Exception e) {<a name="line.79"></a>
-<span class="sourceLineNo">080</span>          throw new IOException("Failed to initialize TagCompressionContext", e);<a name="line.80"></a>
-<span class="sourceLineNo">081</span>        }<a name="line.81"></a>
-<span class="sourceLineNo">082</span>      }<a name="line.82"></a>
-<span class="sourceLineNo">083</span>    }<a name="line.83"></a>
-<span class="sourceLineNo">084</span>    return internalDecodeKeyValues(source, 0, 0, decodingCtx);<a name="line.84"></a>
-<span class="sourceLineNo">085</span>  }<a name="line.85"></a>
-<span class="sourceLineNo">086</span><a name="line.86"></a>
-<span class="sourceLineNo">087</span>  /********************* common prefixes *************************/<a name="line.87"></a>
-<span class="sourceLineNo">088</span>  // Having this as static is fine but if META is having DBE then we should<a name="line.88"></a>
-<span class="sourceLineNo">089</span>  // change this.<a name="line.89"></a>
-<span class="sourceLineNo">090</span>  public static int compareCommonRowPrefix(Cell left, Cell right, int rowCommonPrefix) {<a name="line.90"></a>
-<span class="sourceLineNo">091</span>    return Bytes.compareTo(left.getRowArray(), left.getRowOffset() + rowCommonPrefix,<a name="line.91"></a>
-<span class="sourceLineNo">092</span>        left.getRowLength() - rowCommonPrefix, right.getRowArray(), right.getRowOffset()<a name="line.92"></a>
-<span class="sourceLineNo">093</span>            + rowCommonPrefix, right.getRowLength() - rowCommonPrefix);<a name="line.93"></a>
-<span class="sourceLineNo">094</span>  }<a name="line.94"></a>
-<span class="sourceLineNo">095</span><a name="line.95"></a>
-<span class="sourceLineNo">096</span>  public static int compareCommonFamilyPrefix(Cell left, Cell right, int familyCommonPrefix) {<a name="line.96"></a>
-<span class="sourceLineNo">097</span>    return Bytes.compareTo(left.getFamilyArray(), left.getFamilyOffset() + familyCommonPrefix,<a name="line.97"></a>
-<span class="sourceLineNo">098</span>        left.getFamilyLength() - familyCommonPrefix, right.getFamilyArray(),<a name="line.98"></a>
-<span class="sourceLineNo">099</span>        right.getFamilyOffset() + familyCommonPrefix, right.getFamilyLength() - familyCommonPrefix);<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 int compareCommonQualifierPrefix(Cell left, Cell right, int qualCommonPrefix) {<a name="line.102"></a>
-<span class="sourceLineNo">103</span>    return Bytes.compareTo(left.getQualifierArray(), left.getQualifierOffset() + qualCommonPrefix,<a name="line.103"></a>
-<span class="sourceLineNo">104</span>        left.getQualifierLength() - qualCommonPrefix, right.getQualifierArray(),<a name="line.104"></a>
-<span class="sourceLineNo">105</span>        right.getQualifierOffset() + qualCommonPrefix, right.getQualifierLength()<a name="line.105"></a>
-<span class="sourceLineNo">106</span>            - qualCommonPrefix);<a name="line.106"></a>
-<span class="sourceLineNo">107</span>  }<a name="line.107"></a>
-<span class="sourceLineNo">108</span><a name="line.108"></a>
-<span class="sourceLineNo">109</span>  protected static class SeekerState {<a name="line.109"></a>
-<span class="sourceLineNo">110</span>    protected ByteBuff currentBuffer;<a name="line.110"></a>
-<span class="sourceLineNo">111</span>    protected TagCompressionContext tagCompressionContext;<a name="line.111"></a>
-<span class="sourceLineNo">112</span>    protected int valueOffset = -1;<a name="line.112"></a>
-<span class="sourceLineNo">113</span>    protected int keyLength;<a name="line.113"></a>
-<span class="sourceLineNo">114</span>    protected int valueLength;<a name="line.114"></a>
-<span class="sourceLineNo">115</span>    protected int lastCommonPrefix;<a name="line.115"></a>
-<span class="sourceLineNo">116</span>    protected int tagsLength = 0;<a name="line.116"></a>
-<span class="sourceLineNo">117</span>    protected int tagsOffset = -1;<a name="line.117"></a>
-<span class="sourceLineNo">118</span>    protected int tagsCompressedLength = 0;<a name="line.118"></a>
-<span class="sourceLineNo">119</span>    protected boolean uncompressTags = true;<a name="line.119"></a>
-<span class="sourceLineNo">120</span><a name="line.120"></a>
-<span class="sourceLineNo">121</span>    /** We need to store a copy of the key. */<a name="line.121"></a>
-<span class="sourceLineNo">122</span>    protected byte[] keyBuffer = new byte[INITIAL_KEY_BUFFER_SIZE];<a name="line.122"></a>
-<span class="sourceLineNo">123</span>    protected byte[] tagsBuffer = new byte[INITIAL_KEY_BUFFER_SIZE];<a name="line.123"></a>
-<span class="sourceLineNo">124</span><a name="line.124"></a>
-<span class="sourceLineNo">125</span>    protected long memstoreTS;<a name="line.125"></a>
-<span class="sourceLineNo">126</span>    protected int nextKvOffset;<a name="line.126"></a>
-<span class="sourceLineNo">127</span>    protected KeyValue.KeyOnlyKeyValue currentKey = new KeyValue.KeyOnlyKeyValue();<a name="line.127"></a>
-<span class="sourceLineNo">128</span>    // A temp pair object which will be reused by ByteBuff#asSubByteBuffer calls. This avoids too<a name="line.128"></a>
-<span class="sourceLineNo">129</span>    // many object creations.<a name="line.129"></a>
-<span class="sourceLineNo">130</span>    private final ObjectIntPair&lt;ByteBuffer&gt; tmpPair;<a name="line.130"></a>
-<span class="sourceLineNo">131</span>    private final boolean includeTags;<a name="line.131"></a>
-<span class="sourceLineNo">132</span><a name="line.132"></a>
-<span class="sourceLineNo">133</span>    public SeekerState(ObjectIntPair&lt;ByteBuffer&gt; tmpPair, boolean includeTags) {<a name="line.133"></a>
-<span class="sourceLineNo">134</span>      this.tmpPair = tmpPair;<a name="line.134"></a>
-<span class="sourceLineNo">135</span>      this.includeTags = includeTags;<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>    protected boolean isValid() {<a name="line.138"></a>
-<span class="sourceLineNo">139</span>      return valueOffset != -1;<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>    protected void invalidate() {<a name="line.142"></a>
-<span class="sourceLineNo">143</span>      valueOffset = -1;<a name="line.143"></a>
-<span class="sourceLineNo">144</span>      tagsCompressedLength = 0;<a name="line.144"></a>
-<span class="sourceLineNo">145</span>      currentKey = new KeyValue.KeyOnlyKeyValue();<a name="line.145"></a>
-<span class="sourceLineNo">146</span>      uncompressTags = true;<a name="line.146"></a>
-<span class="sourceLineNo">147</span>      currentBuffer = null;<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>    protected void ensureSpaceForKey() {<a name="line.150"></a>
-<span class="sourceLineNo">151</span>      if (keyLength &gt; keyBuffer.length) {<a name="line.151"></a>
-<span class="sourceLineNo">152</span>        // rare case, but we need to handle arbitrary length of key<a name="line.152"></a>
-<span class="sourceLineNo">153</span>        int newKeyBufferLength = Math.max(keyBuffer.length, 1) * 2;<a name="line.153"></a>
-<span class="sourceLineNo">154</span>        while (keyLength &gt; newKeyBufferLength) {<a name="line.154"></a>
-<span class="sourceLineNo">155</span>          newKeyBufferLength *= 2;<a name="line.155"></a>
-<span class="sourceLineNo">156</span>        }<a name="line.156"></a>
-<span class="sourceLineNo">157</span>        byte[] newKeyBuffer = new byte[newKeyBufferLength];<a name="line.157"></a>
-<span class="sourceLineNo">158</span>        System.arraycopy(keyBuffer, 0, newKeyBuffer, 0, keyBuffer.length);<a name="line.158"></a>
-<span class="sourceLineNo">159</span>        keyBuffer = newKeyBuffer;<a name="line.159"></a>
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-<span class="sourceLineNo">165</span>        // rare case, but we need to handle arbitrary length of tags<a name="line.165"></a>
-<span class="sourceLineNo">166</span>        int newTagsBufferLength = Math.max(tagsBuffer.length, 1) * 2;<a name="line.166"></a>
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-<span class="sourceLineNo">171</span>        System.arraycopy(tagsBuffer, 0, newTagsBuffer, 0, tagsBuffer.length);<a name="line.171"></a>
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-<span class="sourceLineNo">181</span>    /**<a name="line.181"></a>
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-<span class="sourceLineNo">183</span>     * placeholder). Used to save the previous state when we are advancing the<a name="line.183"></a>
-<span class="sourceLineNo">184</span>     * seeker to the next key/value.<a name="line.184"></a>
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-<span class="sourceLineNo">247</span>              + tagsLenSerializationSize;<a name="line.247"></a>
-<span class="sourceLineNo">248</span>        } else {<a name="line.248"></a>
-<span class="sourceLineNo">249</span>          tagsArray = Bytes.copy(tagsBuffer, 0, this.tagsLength);<a name="line.249"></a>
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