[16/51] [partial] hbase-site git commit: Published site at 2cc48e039d1f800832ac8880bbc820982e0ac8a5.

[misty]

http://git-wip-us.apache.org/repos/asf/hbase-site/blob/a7e5a8ce/devapidocs/src-html/org/apache/hadoop/hbase/TagUtil.html
----------------------------------------------------------------------
diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/TagUtil.html 
b/devapidocs/src-html/org/apache/hadoop/hbase/TagUtil.html
index d999d2f..59e8cf4 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/TagUtil.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/TagUtil.html
@@ -30,201 +30,268 @@
 <span class="sourceLineNo">022</span>import java.io.IOException;<a 
name="line.22"></a>
 <span class="sourceLineNo">023</span>import java.nio.ByteBuffer;<a 
name="line.23"></a>
 <span class="sourceLineNo">024</span>import java.util.ArrayList;<a 
name="line.24"></a>
-<span class="sourceLineNo">025</span>import java.util.List;<a 
name="line.25"></a>
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-<span class="sourceLineNo">027</span>import 
org.apache.hadoop.hbase.classification.InterfaceAudience;<a name="line.27"></a>
-<span class="sourceLineNo">028</span>import 
org.apache.hadoop.hbase.io.util.StreamUtils;<a name="line.28"></a>
-<span class="sourceLineNo">029</span>import 
org.apache.hadoop.hbase.util.ByteBufferUtils;<a name="line.29"></a>
-<span class="sourceLineNo">030</span>import 
org.apache.hadoop.hbase.util.Bytes;<a name="line.30"></a>
-<span class="sourceLineNo">031</span>import 
org.apache.hadoop.hbase.util.Pair;<a name="line.31"></a>
-<span class="sourceLineNo">032</span><a name="line.32"></a>
-<span class="sourceLineNo">033</span>@InterfaceAudience.Private<a 
name="line.33"></a>
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name="line.34"></a>
-<span class="sourceLineNo">035</span><a name="line.35"></a>
-<span class="sourceLineNo">036</span>  /**<a name="line.36"></a>
-<span class="sourceLineNo">037</span>   * Private constructor to keep this 
class from being instantiated.<a name="line.37"></a>
-<span class="sourceLineNo">038</span>   */<a name="line.38"></a>
-<span class="sourceLineNo">039</span>  private TagUtil(){}<a 
name="line.39"></a>
-<span class="sourceLineNo">040</span><a name="line.40"></a>
-<span class="sourceLineNo">041</span>  /**<a name="line.41"></a>
-<span class="sourceLineNo">042</span>   * Returns tag value in a new byte 
array.<a name="line.42"></a>
-<span class="sourceLineNo">043</span>   * Primarily for use client-side. If 
server-side, use<a name="line.43"></a>
-<span class="sourceLineNo">044</span>   * {@link Tag#getValueArray()} with 
appropriate {@link Tag#getValueOffset()}<a name="line.44"></a>
-<span class="sourceLineNo">045</span>   * and {@link Tag#getValueLength()} 
instead to save on allocations.<a name="line.45"></a>
-<span class="sourceLineNo">046</span>   *<a name="line.46"></a>
-<span class="sourceLineNo">047</span>   * @param tag The Tag whose value to be 
returned<a name="line.47"></a>
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array.<a name="line.48"></a>
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tag) {<a name="line.50"></a>
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tag.getValueLength();<a name="line.51"></a>
-<span class="sourceLineNo">052</span>    byte[] tagArr = new 
byte[tagLength];<a name="line.52"></a>
-<span class="sourceLineNo">053</span>    if (tag.hasArray()) {<a 
name="line.53"></a>
-<span class="sourceLineNo">054</span>      Bytes.putBytes(tagArr, 0, 
tag.getValueArray(), tag.getValueOffset(), tagLength);<a name="line.54"></a>
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ByteBufferUtils.copyFromBufferToArray(tagArr, tag.getValueByteBuffer(), 
tag.getValueOffset(),<a name="line.56"></a>
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name="line.57"></a>
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-<span class="sourceLineNo">059</span>    return tagArr;<a name="line.59"></a>
-<span class="sourceLineNo">060</span>  }<a name="line.60"></a>
-<span class="sourceLineNo">061</span><a name="line.61"></a>
-<span class="sourceLineNo">062</span>  /**<a name="line.62"></a>
-<span class="sourceLineNo">063</span>   * Creates list of tags from given byte 
array, expected that it is in the expected tag format.<a name="line.63"></a>
-<span class="sourceLineNo">064</span>   *<a name="line.64"></a>
-<span class="sourceLineNo">065</span>   * @param b The byte array<a 
name="line.65"></a>
-<span class="sourceLineNo">066</span>   * @param offset The offset in array 
where tag bytes begin<a name="line.66"></a>
-<span class="sourceLineNo">067</span>   * @param length Total length of all 
tags bytes<a name="line.67"></a>
-<span class="sourceLineNo">068</span>   * @return List of tags<a 
name="line.68"></a>
-<span class="sourceLineNo">069</span>   */<a name="line.69"></a>
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asList(byte[] b, int offset, int length) {<a name="line.70"></a>
-<span class="sourceLineNo">071</span>    List&lt;Tag&gt; tags = new 
ArrayList&lt;Tag&gt;();<a name="line.71"></a>
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name="line.72"></a>
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name="line.73"></a>
-<span class="sourceLineNo">074</span>      int tagLen = Bytes.readAsInt(b, 
pos, TAG_LENGTH_SIZE);<a name="line.74"></a>
-<span class="sourceLineNo">075</span>      tags.add(new ArrayBackedTag(b, pos, 
tagLen + TAG_LENGTH_SIZE));<a name="line.75"></a>
-<span class="sourceLineNo">076</span>      pos += TAG_LENGTH_SIZE + tagLen;<a 
name="line.76"></a>
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-<span class="sourceLineNo">078</span>    return tags;<a name="line.78"></a>
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-<span class="sourceLineNo">080</span><a name="line.80"></a>
-<span class="sourceLineNo">081</span>  /**<a name="line.81"></a>
-<span class="sourceLineNo">082</span>   * Creates list of tags from given 
ByteBuffer, expected that it is in the expected tag format.<a 
name="line.82"></a>
-<span class="sourceLineNo">083</span>   *<a name="line.83"></a>
-<span class="sourceLineNo">084</span>   * @param b The ByteBuffer<a 
name="line.84"></a>
-<span class="sourceLineNo">085</span>   * @param offset The offset in 
ByteBuffer where tag bytes begin<a name="line.85"></a>
-<span class="sourceLineNo">086</span>   * @param length Total length of all 
tags bytes<a name="line.86"></a>
-<span class="sourceLineNo">087</span>   * @return List of tags<a 
name="line.87"></a>
-<span class="sourceLineNo">088</span>   */<a name="line.88"></a>
-<span class="sourceLineNo">089</span>  public static List&lt;Tag&gt; 
asList(ByteBuffer b, int offset, int length) {<a name="line.89"></a>
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ArrayList&lt;Tag&gt;();<a name="line.90"></a>
-<span class="sourceLineNo">091</span>    int pos = offset;<a 
name="line.91"></a>
-<span class="sourceLineNo">092</span>    while (pos &lt; offset + length) {<a 
name="line.92"></a>
-<span class="sourceLineNo">093</span>      int tagLen = 
ByteBufferUtils.readAsInt(b, pos, TAG_LENGTH_SIZE);<a name="line.93"></a>
-<span class="sourceLineNo">094</span>      tags.add(new OffheapTag(b, pos, 
tagLen + TAG_LENGTH_SIZE));<a name="line.94"></a>
-<span class="sourceLineNo">095</span>      pos += TAG_LENGTH_SIZE + tagLen;<a 
name="line.95"></a>
-<span class="sourceLineNo">096</span>    }<a name="line.96"></a>
-<span class="sourceLineNo">097</span>    return tags;<a name="line.97"></a>
-<span class="sourceLineNo">098</span>  }<a name="line.98"></a>
-<span class="sourceLineNo">099</span><a name="line.99"></a>
-<span class="sourceLineNo">100</span>  /**<a name="line.100"></a>
-<span class="sourceLineNo">101</span>   * Write a list of tags into a byte 
array<a name="line.101"></a>
-<span class="sourceLineNo">102</span>   *<a name="line.102"></a>
-<span class="sourceLineNo">103</span>   * @param tags The list of tags<a 
name="line.103"></a>
-<span class="sourceLineNo">104</span>   * @return the serialized tag data as 
bytes<a name="line.104"></a>
-<span class="sourceLineNo">105</span>   */<a name="line.105"></a>
-<span class="sourceLineNo">106</span>  public static byte[] 
fromList(List&lt;Tag&gt; tags) {<a name="line.106"></a>
-<span class="sourceLineNo">107</span>    if (tags.isEmpty()) {<a 
name="line.107"></a>
-<span class="sourceLineNo">108</span>      return 
HConstants.EMPTY_BYTE_ARRAY;<a name="line.108"></a>
-<span class="sourceLineNo">109</span>    }<a name="line.109"></a>
-<span class="sourceLineNo">110</span>    int length = 0;<a name="line.110"></a>
-<span class="sourceLineNo">111</span>    for (Tag tag : tags) {<a 
name="line.111"></a>
-<span class="sourceLineNo">112</span>      length += tag.getValueLength() + 
Tag.INFRASTRUCTURE_SIZE;<a name="line.112"></a>
-<span class="sourceLineNo">113</span>    }<a name="line.113"></a>
-<span class="sourceLineNo">114</span>    byte[] b = new byte[length];<a 
name="line.114"></a>
-<span class="sourceLineNo">115</span>    int pos = 0;<a name="line.115"></a>
-<span class="sourceLineNo">116</span>    int tlen;<a name="line.116"></a>
-<span class="sourceLineNo">117</span>    for (Tag tag : tags) {<a 
name="line.117"></a>
-<span class="sourceLineNo">118</span>      tlen = tag.getValueLength();<a 
name="line.118"></a>
-<span class="sourceLineNo">119</span>      pos = Bytes.putAsShort(b, pos, tlen 
+ Tag.TYPE_LENGTH_SIZE);<a name="line.119"></a>
-<span class="sourceLineNo">120</span>      pos = Bytes.putByte(b, pos, 
tag.getType());<a name="line.120"></a>
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name="line.121"></a>
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tag.getValueArray(), tag.getValueOffset(), tlen);<a name="line.122"></a>
-<span class="sourceLineNo">123</span>      } else {<a name="line.123"></a>
-<span class="sourceLineNo">124</span>        
ByteBufferUtils.copyFromBufferToArray(b, tag.getValueByteBuffer(), 
tag.getValueOffset(),<a name="line.124"></a>
-<span class="sourceLineNo">125</span>            pos, tlen);<a 
name="line.125"></a>
-<span class="sourceLineNo">126</span>        pos += tlen;<a 
name="line.126"></a>
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-<span class="sourceLineNo">129</span>    return b;<a name="line.129"></a>
-<span class="sourceLineNo">130</span>  }<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>   * Converts the value bytes of the 
given tag into a long value<a name="line.133"></a>
-<span class="sourceLineNo">134</span>   * @param tag The Tag<a 
name="line.134"></a>
-<span class="sourceLineNo">135</span>   * @return value as long<a 
name="line.135"></a>
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tag) {<a name="line.137"></a>
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name="line.138"></a>
-<span class="sourceLineNo">139</span>      return 
Bytes.toLong(tag.getValueArray(), tag.getValueOffset(), 
tag.getValueLength());<a name="line.139"></a>
-<span class="sourceLineNo">140</span>    }<a name="line.140"></a>
-<span class="sourceLineNo">141</span>    return 
ByteBufferUtils.toLong(tag.getValueByteBuffer(), tag.getValueOffset());<a 
name="line.141"></a>
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-<span class="sourceLineNo">143</span><a name="line.143"></a>
-<span class="sourceLineNo">144</span>  /**<a name="line.144"></a>
-<span class="sourceLineNo">145</span>   * Converts the value bytes of the 
given tag into a byte value<a name="line.145"></a>
-<span class="sourceLineNo">146</span>   * @param tag The Tag<a 
name="line.146"></a>
-<span class="sourceLineNo">147</span>   * @return value as byte<a 
name="line.147"></a>
-<span class="sourceLineNo">148</span>   */<a name="line.148"></a>
-<span class="sourceLineNo">149</span>  public static byte getValueAsByte(Tag 
tag) {<a name="line.149"></a>
-<span class="sourceLineNo">150</span>    if (tag.hasArray()) {<a 
name="line.150"></a>
-<span class="sourceLineNo">151</span>      return 
tag.getValueArray()[tag.getValueOffset()];<a name="line.151"></a>
-<span class="sourceLineNo">152</span>    }<a name="line.152"></a>
-<span class="sourceLineNo">153</span>    return 
ByteBufferUtils.toByte(tag.getValueByteBuffer(), tag.getValueOffset());<a 
name="line.153"></a>
-<span class="sourceLineNo">154</span>  }<a name="line.154"></a>
-<span class="sourceLineNo">155</span><a name="line.155"></a>
-<span class="sourceLineNo">156</span>  /**<a name="line.156"></a>
-<span class="sourceLineNo">157</span>   * Converts the value bytes of the 
given tag into a String value<a name="line.157"></a>
-<span class="sourceLineNo">158</span>   * @param tag The Tag<a 
name="line.158"></a>
-<span class="sourceLineNo">159</span>   * @return value as String<a 
name="line.159"></a>
-<span class="sourceLineNo">160</span>   */<a name="line.160"></a>
-<span class="sourceLineNo">161</span>  public static String 
getValueAsString(Tag tag){<a name="line.161"></a>
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name="line.162"></a>
-<span class="sourceLineNo">163</span>      return 
Bytes.toString(tag.getValueArray(), tag.getValueOffset(), 
tag.getValueLength());<a name="line.163"></a>
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-<span class="sourceLineNo">165</span>    return 
Bytes.toString(cloneValue(tag));<a name="line.165"></a>
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-<span class="sourceLineNo">167</span><a name="line.167"></a>
-<span class="sourceLineNo">168</span>  /**<a name="line.168"></a>
-<span class="sourceLineNo">169</span>   * Matches the value part of given 
tags<a name="line.169"></a>
-<span class="sourceLineNo">170</span>   * @param t1 Tag to match the value<a 
name="line.170"></a>
-<span class="sourceLineNo">171</span>   * @param t2 Tag to match the value<a 
name="line.171"></a>
-<span class="sourceLineNo">172</span>   * @return True if values of both tags 
are same.<a name="line.172"></a>
-<span class="sourceLineNo">173</span>   */<a name="line.173"></a>
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t1, Tag t2) {<a name="line.174"></a>
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t2.hasArray()) {<a name="line.175"></a>
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Bytes.equals(t1.getValueArray(), t1.getValueOffset(), t1.getValueLength(),<a 
name="line.176"></a>
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t2.getValueOffset(), t2.getValueLength());<a name="line.177"></a>
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ByteBufferUtils.equals(t2.getValueByteBuffer(), t2.getValueOffset(),<a 
name="line.180"></a>
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t1.getValueArray(), t1.getValueOffset(), t1.getValueLength());<a 
name="line.181"></a>
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ByteBufferUtils.equals(t1.getValueByteBuffer(), t1.getValueOffset(),<a 
name="line.184"></a>
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t2.getValueArray(), t2.getValueOffset(), t2.getValueLength());<a 
name="line.185"></a>
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ByteBufferUtils.equals(t1.getValueByteBuffer(), t1.getValueOffset(), 
t1.getValueLength(),<a name="line.187"></a>
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t2.getValueOffset(), t2.getValueLength());<a name="line.188"></a>
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-<span class="sourceLineNo">190</span><a name="line.190"></a>
-<span class="sourceLineNo">191</span>  /**<a name="line.191"></a>
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given byte array<a name="line.192"></a>
-<span class="sourceLineNo">193</span>   * @param tag The Tag<a 
name="line.193"></a>
-<span class="sourceLineNo">194</span>   * @param out The byte array where to 
copy the Tag value.<a name="line.194"></a>
-<span class="sourceLineNo">195</span>   * @param offset The offset within 
'out' array where to copy the Tag value.<a name="line.195"></a>
-<span class="sourceLineNo">196</span>   */<a name="line.196"></a>
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byte[] out, int offset) {<a name="line.197"></a>
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name="line.198"></a>
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tag.getValueArray(), tag.getValueOffset(), tag.getValueLength());<a 
name="line.199"></a>
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ByteBufferUtils.copyFromBufferToArray(out, tag.getValueByteBuffer(), 
tag.getValueOffset(),<a name="line.201"></a>
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tag.getValueLength());<a name="line.202"></a>
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at tag's given offset.<a name="line.207"></a>
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name="line.208"></a>
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bytes begin<a name="line.209"></a>
-<span class="sourceLineNo">210</span>   * @return A pair of the int value and 
number of bytes taken to store VInt<a name="line.210"></a>
-<span class="sourceLineNo">211</span>   * @throws IOException When varint is 
malformed and not able to be read correctly<a name="line.211"></a>
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Integer&gt; readVIntValuePart(Tag tag, int offset) throws IOException {<a 
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StreamUtils.readRawVarint32(tag.getValueArray(), offset);<a name="line.215"></a>
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StreamUtils.readRawVarint32(tag.getValueByteBuffer(), offset);<a 
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-<span class="sourceLineNo">219</span>}<a name="line.219"></a>
+<span class="sourceLineNo">025</span>import java.util.Iterator;<a 
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+<span class="sourceLineNo">026</span>import java.util.List;<a 
name="line.26"></a>
+<span class="sourceLineNo">027</span><a name="line.27"></a>
+<span class="sourceLineNo">028</span>import 
org.apache.hadoop.hbase.classification.InterfaceAudience;<a name="line.28"></a>
+<span class="sourceLineNo">029</span>import 
org.apache.hadoop.hbase.io.util.StreamUtils;<a name="line.29"></a>
+<span class="sourceLineNo">030</span>import 
org.apache.hadoop.hbase.util.ByteBufferUtils;<a name="line.30"></a>
+<span class="sourceLineNo">031</span>import 
org.apache.hadoop.hbase.util.Bytes;<a name="line.31"></a>
+<span class="sourceLineNo">032</span>import 
org.apache.hadoop.hbase.util.Pair;<a name="line.32"></a>
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+<span class="sourceLineNo">037</span>  /**<a name="line.37"></a>
+<span class="sourceLineNo">038</span>   * Private constructor to keep this 
class from being instantiated.<a name="line.38"></a>
+<span class="sourceLineNo">039</span>   */<a name="line.39"></a>
+<span class="sourceLineNo">040</span>  private TagUtil(){}<a 
name="line.40"></a>
+<span class="sourceLineNo">041</span><a name="line.41"></a>
+<span class="sourceLineNo">042</span>  /**<a name="line.42"></a>
+<span class="sourceLineNo">043</span>   * Returns tag value in a new byte 
array.<a name="line.43"></a>
+<span class="sourceLineNo">044</span>   * Primarily for use client-side. If 
server-side, use<a name="line.44"></a>
+<span class="sourceLineNo">045</span>   * {@link Tag#getValueArray()} with 
appropriate {@link Tag#getValueOffset()}<a name="line.45"></a>
+<span class="sourceLineNo">046</span>   * and {@link Tag#getValueLength()} 
instead to save on allocations.<a name="line.46"></a>
+<span class="sourceLineNo">047</span>   *<a name="line.47"></a>
+<span class="sourceLineNo">048</span>   * @param tag The Tag whose value to be 
returned<a name="line.48"></a>
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ByteBufferUtils.copyFromBufferToArray(out, tag.getValueByteBuffer(), 
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+<span class="sourceLineNo">206</span><a name="line.206"></a>
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number of bytes taken to store VInt<a name="line.211"></a>
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StreamUtils.readRawVarint32(tag.getValueByteBuffer(), offset);<a 
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+<span class="sourceLineNo">220</span><a name="line.220"></a>
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any Tags found in &lt;code&gt;cell&lt;/code&gt; else null.<a 
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carryForwardTags(final Cell cell) {<a name="line.224"></a>
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+<span class="sourceLineNo">227</span><a name="line.227"></a>
+<span class="sourceLineNo">228</span>  /**<a name="line.228"></a>
+<span class="sourceLineNo">229</span>   * Add to 
&lt;code&gt;tagsOrNull&lt;/code&gt; any Tags &lt;code&gt;cell&lt;/code&gt; is 
carrying or null if none.<a name="line.229"></a>
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+<span class="sourceLineNo">246</span><a name="line.246"></a>
+<span class="sourceLineNo">247</span>  /**<a name="line.247"></a>
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+<span class="sourceLineNo">249</span>   */<a name="line.249"></a>
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here, given we are the last thing checked, we'll be only thing<a 
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'1' (I saw this being done in earlier version of<a name="line.256"></a>
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+<span class="sourceLineNo">264</span><a name="line.264"></a>
+<span class="sourceLineNo">265</span>  /**<a name="line.265"></a>
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by CellUtil too.<a name="line.266"></a>
+<span class="sourceLineNo">267</span>   */<a name="line.267"></a>
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EMPTY_TAGS_ITR = new Iterator&lt;Tag&gt;() {<a name="line.268"></a>
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