http://git-wip-us.apache.org/repos/asf/hbase-site/blob/86fde03b/devapidocs/src-html/org/apache/hadoop/hbase/codec/KeyValueCodec.KeyValueDecoder.html
----------------------------------------------------------------------
diff --git 
a/devapidocs/src-html/org/apache/hadoop/hbase/codec/KeyValueCodec.KeyValueDecoder.html
 
b/devapidocs/src-html/org/apache/hadoop/hbase/codec/KeyValueCodec.KeyValueDecoder.html
index a6ce21d..ee41b19 100644
--- 
a/devapidocs/src-html/org/apache/hadoop/hbase/codec/KeyValueCodec.KeyValueDecoder.html
+++ 
b/devapidocs/src-html/org/apache/hadoop/hbase/codec/KeyValueCodec.KeyValueDecoder.html
@@ -35,132 +35,168 @@
 <span class="sourceLineNo">027</span>import 
org.apache.hadoop.hbase.KeyValue;<a name="line.27"></a>
 <span class="sourceLineNo">028</span>import 
org.apache.hadoop.hbase.KeyValueUtil;<a name="line.28"></a>
 <span class="sourceLineNo">029</span>import 
org.apache.hadoop.hbase.NoTagsKeyValue;<a name="line.29"></a>
-<span class="sourceLineNo">030</span>import 
org.apache.hadoop.hbase.ShareableMemory;<a name="line.30"></a>
-<span class="sourceLineNo">031</span>import 
org.apache.hadoop.hbase.classification.InterfaceAudience;<a name="line.31"></a>
-<span class="sourceLineNo">032</span>import 
org.apache.hadoop.hbase.util.ByteBufferUtils;<a name="line.32"></a>
-<span class="sourceLineNo">033</span>import 
org.apache.hadoop.hbase.util.Bytes;<a name="line.33"></a>
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-<span class="sourceLineNo">035</span>/**<a name="line.35"></a>
-<span class="sourceLineNo">036</span> * Codec that does KeyValue version 1 
serialization.<a name="line.36"></a>
-<span class="sourceLineNo">037</span> * <a name="line.37"></a>
-<span class="sourceLineNo">038</span> * &lt;p&gt;Encodes Cell as serialized in 
KeyValue with total length prefix.<a name="line.38"></a>
-<span class="sourceLineNo">039</span> * This is how KVs were serialized in 
Puts, Deletes and Results pre-0.96.  Its what would<a name="line.39"></a>
-<span class="sourceLineNo">040</span> * happen if you called the 
Writable#write KeyValue implementation.  This encoder will fail<a 
name="line.40"></a>
-<span class="sourceLineNo">041</span> * if the passed Cell is not an 
old-school pre-0.96 KeyValue.  Does not copy bytes writing.<a 
name="line.41"></a>
-<span class="sourceLineNo">042</span> * It just writes them direct to the 
passed stream.<a name="line.42"></a>
-<span class="sourceLineNo">043</span> *<a name="line.43"></a>
-<span class="sourceLineNo">044</span> * &lt;p&gt;If you wrote two KeyValues to 
this encoder, it would look like this in the stream:<a name="line.44"></a>
-<span class="sourceLineNo">045</span> * &lt;pre&gt;<a name="line.45"></a>
-<span class="sourceLineNo">046</span> * length-of-KeyValue1 // A java int with 
the length of KeyValue1 backing array<a name="line.46"></a>
-<span class="sourceLineNo">047</span> * KeyValue1 backing array filled with a 
KeyValue serialized in its particular format<a name="line.47"></a>
-<span class="sourceLineNo">048</span> * length-of-KeyValue2<a 
name="line.48"></a>
-<span class="sourceLineNo">049</span> * KeyValue2 backing array<a 
name="line.49"></a>
-<span class="sourceLineNo">050</span> * &lt;/pre&gt;<a name="line.50"></a>
-<span class="sourceLineNo">051</span> */<a name="line.51"></a>
-<span 
class="sourceLineNo">052</span>@InterfaceAudience.LimitedPrivate(HBaseInterfaceAudience.CONFIG)<a
 name="line.52"></a>
-<span class="sourceLineNo">053</span>public class KeyValueCodec implements 
Codec {<a name="line.53"></a>
-<span class="sourceLineNo">054</span>  public static class KeyValueEncoder 
extends BaseEncoder {<a name="line.54"></a>
-<span class="sourceLineNo">055</span>    public KeyValueEncoder(final 
OutputStream out) {<a name="line.55"></a>
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name="line.61"></a>
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name="line.62"></a>
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KeyValueUtil.getSerializedSize(cell, false));<a name="line.63"></a>
-<span class="sourceLineNo">064</span>      KeyValueUtil.oswrite(cell, out, 
false);<a name="line.64"></a>
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-<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>  public static class KeyValueDecoder 
extends BaseDecoder {<a name="line.68"></a>
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InputStream in) {<a name="line.69"></a>
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IOException {<a name="line.73"></a>
-<span class="sourceLineNo">074</span>      // No tags here<a 
name="line.74"></a>
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false);<a name="line.75"></a>
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-<span class="sourceLineNo">079</span>  public static class 
ByteBufferedKeyValueDecoder implements Codec.Decoder {<a name="line.79"></a>
+<span class="sourceLineNo">030</span>import 
org.apache.hadoop.hbase.OffheapKeyValue;<a name="line.30"></a>
+<span class="sourceLineNo">031</span>import 
org.apache.hadoop.hbase.ShareableMemory;<a name="line.31"></a>
+<span class="sourceLineNo">032</span>import 
org.apache.hadoop.hbase.classification.InterfaceAudience;<a name="line.32"></a>
+<span class="sourceLineNo">033</span>import 
org.apache.hadoop.hbase.nio.ByteBuff;<a name="line.33"></a>
+<span class="sourceLineNo">034</span>import 
org.apache.hadoop.hbase.util.ByteBufferUtils;<a name="line.34"></a>
+<span class="sourceLineNo">035</span>import 
org.apache.hadoop.hbase.util.Bytes;<a name="line.35"></a>
+<span class="sourceLineNo">036</span><a name="line.36"></a>
+<span class="sourceLineNo">037</span>/**<a name="line.37"></a>
+<span class="sourceLineNo">038</span> * Codec that does KeyValue version 1 
serialization.<a name="line.38"></a>
+<span class="sourceLineNo">039</span> * <a name="line.39"></a>
+<span class="sourceLineNo">040</span> * &lt;p&gt;Encodes Cell as serialized in 
KeyValue with total length prefix.<a name="line.40"></a>
+<span class="sourceLineNo">041</span> * This is how KVs were serialized in 
Puts, Deletes and Results pre-0.96.  Its what would<a name="line.41"></a>
+<span class="sourceLineNo">042</span> * happen if you called the 
Writable#write KeyValue implementation.  This encoder will fail<a 
name="line.42"></a>
+<span class="sourceLineNo">043</span> * if the passed Cell is not an 
old-school pre-0.96 KeyValue.  Does not copy bytes writing.<a 
name="line.43"></a>
+<span class="sourceLineNo">044</span> * It just writes them direct to the 
passed stream.<a name="line.44"></a>
+<span class="sourceLineNo">045</span> *<a name="line.45"></a>
+<span class="sourceLineNo">046</span> * &lt;p&gt;If you wrote two KeyValues to 
this encoder, it would look like this in the stream:<a name="line.46"></a>
+<span class="sourceLineNo">047</span> * &lt;pre&gt;<a name="line.47"></a>
+<span class="sourceLineNo">048</span> * length-of-KeyValue1 // A java int with 
the length of KeyValue1 backing array<a name="line.48"></a>
+<span class="sourceLineNo">049</span> * KeyValue1 backing array filled with a 
KeyValue serialized in its particular format<a name="line.49"></a>
+<span class="sourceLineNo">050</span> * length-of-KeyValue2<a 
name="line.50"></a>
+<span class="sourceLineNo">051</span> * KeyValue2 backing array<a 
name="line.51"></a>
+<span class="sourceLineNo">052</span> * &lt;/pre&gt;<a name="line.52"></a>
+<span class="sourceLineNo">053</span> */<a name="line.53"></a>
+<span 
class="sourceLineNo">054</span>@InterfaceAudience.LimitedPrivate(HBaseInterfaceAudience.CONFIG)<a
 name="line.54"></a>
+<span class="sourceLineNo">055</span>public class KeyValueCodec implements 
Codec {<a name="line.55"></a>
+<span class="sourceLineNo">056</span>  public static class KeyValueEncoder 
extends BaseEncoder {<a name="line.56"></a>
+<span class="sourceLineNo">057</span>    public KeyValueEncoder(final 
OutputStream out) {<a name="line.57"></a>
+<span class="sourceLineNo">058</span>      super(out);<a name="line.58"></a>
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+<span class="sourceLineNo">060</span><a name="line.60"></a>
+<span class="sourceLineNo">061</span>    @Override<a name="line.61"></a>
+<span class="sourceLineNo">062</span>    public void write(Cell cell) throws 
IOException {<a name="line.62"></a>
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name="line.63"></a>
+<span class="sourceLineNo">064</span>      // Do not write tags over RPC<a 
name="line.64"></a>
+<span class="sourceLineNo">065</span>      ByteBufferUtils.putInt(this.out, 
KeyValueUtil.getSerializedSize(cell, false));<a name="line.65"></a>
+<span class="sourceLineNo">066</span>      KeyValueUtil.oswrite(cell, out, 
false);<a name="line.66"></a>
+<span class="sourceLineNo">067</span>    }<a name="line.67"></a>
+<span class="sourceLineNo">068</span>  }<a name="line.68"></a>
+<span class="sourceLineNo">069</span><a name="line.69"></a>
+<span class="sourceLineNo">070</span>  public static class KeyValueDecoder 
extends BaseDecoder {<a name="line.70"></a>
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InputStream in) {<a name="line.71"></a>
+<span class="sourceLineNo">072</span>      super(in);<a name="line.72"></a>
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+<span class="sourceLineNo">074</span><a name="line.74"></a>
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IOException {<a name="line.75"></a>
+<span class="sourceLineNo">076</span>      // No tags here<a 
name="line.76"></a>
+<span class="sourceLineNo">077</span>      return KeyValueUtil.iscreate(in, 
false);<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><a name="line.80"></a>
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ByteBufferUtils.toInt(buf);<a name="line.93"></a>
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createCell(buf.array(), buf.arrayOffset() + buf.position(), len);<a 
name="line.95"></a>
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len);<a name="line.96"></a>
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int offset, int len) {<a name="line.105"></a>
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ShareableMemoryNoTagsKeyValue(buf, offset, len);<a name="line.106"></a>
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ShareableMemoryKeyValue(byte[] bytes, int offset, int length) {<a 
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Bytes.copy(this.bytes, this.offset, this.length);<a name="line.116"></a>
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0, copy.length);<a name="line.117"></a>
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kv.setSequenceId(this.getSequenceId());<a name="line.118"></a>
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ShareableMemoryNoTagsKeyValue(byte[] bytes, int offset, int length) {<a 
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Bytes.copy(this.bytes, this.offset, this.length);<a name="line.130"></a>
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NoTagsKeyValue(copy, 0, copy.length);<a name="line.131"></a>
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kv.setSequenceId(this.getSequenceId());<a name="line.132"></a>
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+<span class="sourceLineNo">082</span><a name="line.82"></a>
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ByteBuffKeyValueDecoder(ByteBuff buf) {<a name="line.86"></a>
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int offset, int len) {<a name="line.111"></a>
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ShareableMemoryNoTagsKeyValue(buf, offset, len);<a name="line.112"></a>
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bb, int pos, int len) {<a name="line.115"></a>
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any tags.<a name="line.116"></a>
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ShareableMemoryOffheapKeyValue(bb, pos, len, false, 0);<a name="line.117"></a>
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extends KeyValue implements ShareableMemory {<a name="line.120"></a>
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ShareableMemoryKeyValue(byte[] bytes, int offset, int length) {<a 
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Bytes.copy(this.bytes, this.offset, this.length);<a name="line.127"></a>
+<span class="sourceLineNo">128</span>        KeyValue kv = new KeyValue(copy, 
0, copy.length);<a name="line.128"></a>
+<span class="sourceLineNo">129</span>        
kv.setSequenceId(this.getSequenceId());<a name="line.129"></a>
+<span class="sourceLineNo">130</span>        return kv;<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><a name="line.133"></a>
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ShareableMemoryNoTagsKeyValue extends NoTagsKeyValue implements ShareableMemory 
{<a name="line.134"></a>
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ShareableMemoryNoTagsKeyValue(byte[] bytes, int offset, int length) {<a 
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Bytes.copy(this.bytes, this.offset, this.length);<a name="line.141"></a>
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NoTagsKeyValue(copy, 0, copy.length);<a name="line.142"></a>
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kv.setSequenceId(this.getSequenceId());<a name="line.143"></a>
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ShareableMemoryOffheapKeyValue extends OffheapKeyValue implements 
ShareableMemory {<a name="line.148"></a>
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ShareableMemoryOffheapKeyValue(ByteBuffer buf, int offset, int length) {<a 
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ShareableMemoryOffheapKeyValue(ByteBuffer buf, int offset, int length, boolean 
hasTags,<a name="line.153"></a>
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byte[this.length];<a name="line.160"></a>
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ByteBufferUtils.copyFromBufferToArray(copy, this.buf, this.offset, 0, 
this.length);<a name="line.161"></a>
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0, copy.length);<a name="line.166"></a>
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kv.setSequenceId(this.getSequenceId());<a name="line.168"></a>
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+<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>   * Implementation depends on {@link 
InputStream#available()}<a name="line.175"></a>
+<span class="sourceLineNo">176</span>   */<a name="line.176"></a>
+<span class="sourceLineNo">177</span>  @Override<a name="line.177"></a>
+<span class="sourceLineNo">178</span>  public Decoder getDecoder(final 
InputStream is) {<a name="line.178"></a>
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+<span class="sourceLineNo">181</span><a name="line.181"></a>
+<span class="sourceLineNo">182</span>  @Override<a name="line.182"></a>
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{<a name="line.183"></a>
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ByteBuffKeyValueDecoder(buf);<a name="line.184"></a>
+<span class="sourceLineNo">185</span>  }<a name="line.185"></a>
+<span class="sourceLineNo">186</span><a name="line.186"></a>
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+<span class="sourceLineNo">188</span>  public Encoder getEncoder(OutputStream 
os) {<a name="line.188"></a>
+<span class="sourceLineNo">189</span>    return new KeyValueEncoder(os);<a 
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+<span class="sourceLineNo">191</span>}<a name="line.191"></a>
 
 
 

http://git-wip-us.apache.org/repos/asf/hbase-site/blob/86fde03b/devapidocs/src-html/org/apache/hadoop/hbase/codec/KeyValueCodec.KeyValueEncoder.html
----------------------------------------------------------------------
diff --git 
a/devapidocs/src-html/org/apache/hadoop/hbase/codec/KeyValueCodec.KeyValueEncoder.html
 
b/devapidocs/src-html/org/apache/hadoop/hbase/codec/KeyValueCodec.KeyValueEncoder.html
index a6ce21d..ee41b19 100644
--- 
a/devapidocs/src-html/org/apache/hadoop/hbase/codec/KeyValueCodec.KeyValueEncoder.html
+++ 
b/devapidocs/src-html/org/apache/hadoop/hbase/codec/KeyValueCodec.KeyValueEncoder.html
@@ -35,132 +35,168 @@
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org.apache.hadoop.hbase.KeyValue;<a name="line.27"></a>
 <span class="sourceLineNo">028</span>import 
org.apache.hadoop.hbase.KeyValueUtil;<a name="line.28"></a>
 <span class="sourceLineNo">029</span>import 
org.apache.hadoop.hbase.NoTagsKeyValue;<a name="line.29"></a>
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org.apache.hadoop.hbase.ShareableMemory;<a name="line.30"></a>
-<span class="sourceLineNo">031</span>import 
org.apache.hadoop.hbase.classification.InterfaceAudience;<a name="line.31"></a>
-<span class="sourceLineNo">032</span>import 
org.apache.hadoop.hbase.util.ByteBufferUtils;<a name="line.32"></a>
-<span class="sourceLineNo">033</span>import 
org.apache.hadoop.hbase.util.Bytes;<a name="line.33"></a>
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-<span class="sourceLineNo">035</span>/**<a name="line.35"></a>
-<span class="sourceLineNo">036</span> * Codec that does KeyValue version 1 
serialization.<a name="line.36"></a>
-<span class="sourceLineNo">037</span> * <a name="line.37"></a>
-<span class="sourceLineNo">038</span> * &lt;p&gt;Encodes Cell as serialized in 
KeyValue with total length prefix.<a name="line.38"></a>
-<span class="sourceLineNo">039</span> * This is how KVs were serialized in 
Puts, Deletes and Results pre-0.96.  Its what would<a name="line.39"></a>
-<span class="sourceLineNo">040</span> * happen if you called the 
Writable#write KeyValue implementation.  This encoder will fail<a 
name="line.40"></a>
-<span class="sourceLineNo">041</span> * if the passed Cell is not an 
old-school pre-0.96 KeyValue.  Does not copy bytes writing.<a 
name="line.41"></a>
-<span class="sourceLineNo">042</span> * It just writes them direct to the 
passed stream.<a name="line.42"></a>
-<span class="sourceLineNo">043</span> *<a name="line.43"></a>
-<span class="sourceLineNo">044</span> * &lt;p&gt;If you wrote two KeyValues to 
this encoder, it would look like this in the stream:<a name="line.44"></a>
-<span class="sourceLineNo">045</span> * &lt;pre&gt;<a name="line.45"></a>
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the length of KeyValue1 backing array<a name="line.46"></a>
-<span class="sourceLineNo">047</span> * KeyValue1 backing array filled with a 
KeyValue serialized in its particular format<a name="line.47"></a>
-<span class="sourceLineNo">048</span> * length-of-KeyValue2<a 
name="line.48"></a>
-<span class="sourceLineNo">049</span> * KeyValue2 backing array<a 
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-<span class="sourceLineNo">050</span> * &lt;/pre&gt;<a name="line.50"></a>
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class="sourceLineNo">052</span>@InterfaceAudience.LimitedPrivate(HBaseInterfaceAudience.CONFIG)<a
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Codec {<a name="line.53"></a>
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extends BaseEncoder {<a name="line.54"></a>
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OutputStream out) {<a name="line.55"></a>
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KeyValueUtil.getSerializedSize(cell, false));<a name="line.63"></a>
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false);<a name="line.64"></a>
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ByteBufferedKeyValueDecoder implements Codec.Decoder {<a name="line.79"></a>
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org.apache.hadoop.hbase.OffheapKeyValue;<a name="line.30"></a>
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org.apache.hadoop.hbase.ShareableMemory;<a name="line.31"></a>
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org.apache.hadoop.hbase.classification.InterfaceAudience;<a name="line.32"></a>
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org.apache.hadoop.hbase.nio.ByteBuff;<a name="line.33"></a>
+<span class="sourceLineNo">034</span>import 
org.apache.hadoop.hbase.util.ByteBufferUtils;<a name="line.34"></a>
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org.apache.hadoop.hbase.util.Bytes;<a name="line.35"></a>
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+<span class="sourceLineNo">037</span>/**<a name="line.37"></a>
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old-school pre-0.96 KeyValue.  Does not copy bytes writing.<a 
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+<span class="sourceLineNo">044</span> * It just writes them direct to the 
passed stream.<a name="line.44"></a>
+<span class="sourceLineNo">045</span> *<a name="line.45"></a>
+<span class="sourceLineNo">046</span> * &lt;p&gt;If you wrote two KeyValues to 
this encoder, it would look like this in the stream:<a name="line.46"></a>
+<span class="sourceLineNo">047</span> * &lt;pre&gt;<a name="line.47"></a>
+<span class="sourceLineNo">048</span> * length-of-KeyValue1 // A java int with 
the length of KeyValue1 backing array<a name="line.48"></a>
+<span class="sourceLineNo">049</span> * KeyValue1 backing array filled with a 
KeyValue serialized in its particular format<a name="line.49"></a>
+<span class="sourceLineNo">050</span> * length-of-KeyValue2<a 
name="line.50"></a>
+<span class="sourceLineNo">051</span> * KeyValue2 backing array<a 
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+<span class="sourceLineNo">052</span> * &lt;/pre&gt;<a name="line.52"></a>
+<span class="sourceLineNo">053</span> */<a name="line.53"></a>
+<span 
class="sourceLineNo">054</span>@InterfaceAudience.LimitedPrivate(HBaseInterfaceAudience.CONFIG)<a
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+<span class="sourceLineNo">055</span>public class KeyValueCodec implements 
Codec {<a name="line.55"></a>
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KeyValueUtil.getSerializedSize(cell, false));<a name="line.65"></a>
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ShareableMemoryKeyValue(byte[] bytes, int offset, int length) {<a 
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ShareableMemoryNoTagsKeyValue extends NoTagsKeyValue implements ShareableMemory 
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ShareableMemoryNoTagsKeyValue(byte[] bytes, int offset, int length) {<a 
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kv.setSequenceId(this.getSequenceId());<a name="line.143"></a>
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ShareableMemoryOffheapKeyValue(ByteBuffer buf, int offset, int length) {<a 
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ShareableMemoryOffheapKeyValue(ByteBuffer buf, int offset, int length, boolean 
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byte[this.length];<a name="line.160"></a>
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ByteBufferUtils.copyFromBufferToArray(copy, this.buf, this.offset, 0, 
this.length);<a name="line.161"></a>
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kv.setSequenceId(this.getSequenceId());<a name="line.168"></a>
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+<span class="sourceLineNo">175</span>   * Implementation depends on {@link 
InputStream#available()}<a name="line.175"></a>
+<span class="sourceLineNo">176</span>   */<a name="line.176"></a>
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http://git-wip-us.apache.org/repos/asf/hbase-site/blob/86fde03b/devapidocs/src-html/org/apache/hadoop/hbase/codec/KeyValueCodec.html
----------------------------------------------------------------------
diff --git 
a/devapidocs/src-html/org/apache/hadoop/hbase/codec/KeyValueCodec.html 
b/devapidocs/src-html/org/apache/hadoop/hbase/codec/KeyValueCodec.html
index a6ce21d..ee41b19 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/codec/KeyValueCodec.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/codec/KeyValueCodec.html
@@ -35,132 +35,168 @@
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 <span class="sourceLineNo">028</span>import 
org.apache.hadoop.hbase.KeyValueUtil;<a name="line.28"></a>
 <span class="sourceLineNo">029</span>import 
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org.apache.hadoop.hbase.util.Bytes;<a name="line.33"></a>
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KeyValue with total length prefix.<a name="line.38"></a>
-<span class="sourceLineNo">039</span> * This is how KVs were serialized in 
Puts, Deletes and Results pre-0.96.  Its what would<a name="line.39"></a>
-<span class="sourceLineNo">040</span> * happen if you called the 
Writable#write KeyValue implementation.  This encoder will fail<a 
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old-school pre-0.96 KeyValue.  Does not copy bytes writing.<a 
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-<span class="sourceLineNo">042</span> * It just writes them direct to the 
passed stream.<a name="line.42"></a>
-<span class="sourceLineNo">043</span> *<a name="line.43"></a>
-<span class="sourceLineNo">044</span> * &lt;p&gt;If you wrote two KeyValues to 
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the length of KeyValue1 backing array<a name="line.46"></a>
-<span class="sourceLineNo">047</span> * KeyValue1 backing array filled with a 
KeyValue serialized in its particular format<a name="line.47"></a>
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-<span class="sourceLineNo">049</span> * KeyValue2 backing array<a 
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class="sourceLineNo">052</span>@InterfaceAudience.LimitedPrivate(HBaseInterfaceAudience.CONFIG)<a
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Codec {<a name="line.53"></a>
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extends BaseEncoder {<a name="line.54"></a>
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KeyValueUtil.getSerializedSize(cell, false));<a name="line.63"></a>
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false);<a name="line.64"></a>
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ByteBufferedKeyValueDecoder implements Codec.Decoder {<a name="line.79"></a>
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org.apache.hadoop.hbase.OffheapKeyValue;<a name="line.30"></a>
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org.apache.hadoop.hbase.ShareableMemory;<a name="line.31"></a>
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org.apache.hadoop.hbase.nio.ByteBuff;<a name="line.33"></a>
+<span class="sourceLineNo">034</span>import 
org.apache.hadoop.hbase.util.ByteBufferUtils;<a name="line.34"></a>
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org.apache.hadoop.hbase.util.Bytes;<a name="line.35"></a>
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Writable#write KeyValue implementation.  This encoder will fail<a 
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old-school pre-0.96 KeyValue.  Does not copy bytes writing.<a 
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+<span class="sourceLineNo">044</span> * It just writes them direct to the 
passed stream.<a name="line.44"></a>
+<span class="sourceLineNo">045</span> *<a name="line.45"></a>
+<span class="sourceLineNo">046</span> * &lt;p&gt;If you wrote two KeyValues to 
this encoder, it would look like this in the stream:<a name="line.46"></a>
+<span class="sourceLineNo">047</span> * &lt;pre&gt;<a name="line.47"></a>
+<span class="sourceLineNo">048</span> * length-of-KeyValue1 // A java int with 
the length of KeyValue1 backing array<a name="line.48"></a>
+<span class="sourceLineNo">049</span> * KeyValue1 backing array filled with a 
KeyValue serialized in its particular format<a name="line.49"></a>
+<span class="sourceLineNo">050</span> * length-of-KeyValue2<a 
name="line.50"></a>
+<span class="sourceLineNo">051</span> * KeyValue2 backing array<a 
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+<span class="sourceLineNo">052</span> * &lt;/pre&gt;<a name="line.52"></a>
+<span class="sourceLineNo">053</span> */<a name="line.53"></a>
+<span 
class="sourceLineNo">054</span>@InterfaceAudience.LimitedPrivate(HBaseInterfaceAudience.CONFIG)<a
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+<span class="sourceLineNo">055</span>public class KeyValueCodec implements 
Codec {<a name="line.55"></a>
+<span class="sourceLineNo">056</span>  public static class KeyValueEncoder 
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createCell(buf.array(), buf.arrayOffset() + buf.position(), len);<a 
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int offset, int len) {<a name="line.105"></a>
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Bytes.copy(this.bytes, this.offset, this.length);<a name="line.116"></a>
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0, copy.length);<a name="line.117"></a>
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kv.setSequenceId(this.getSequenceId());<a name="line.118"></a>
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name="line.125"></a>
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kv.setSequenceId(this.getSequenceId());<a name="line.132"></a>
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os) {<a name="line.152"></a>
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name="line.153"></a>
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name="line.84"></a>
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ByteBuffKeyValueDecoder(ByteBuff buf) {<a name="line.86"></a>
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IOException {<a name="line.91"></a>
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name="line.92"></a>
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name="line.95"></a>
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buf.asSubByteBuffer(len);<a name="line.96"></a>
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name="line.97"></a>
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bb.position(), len);<a name="line.98"></a>
+<span class="sourceLineNo">099</span>      } else {<a name="line.99"></a>
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createCell(bb.array(), bb.arrayOffset() + bb.position(), len);<a 
name="line.100"></a>
+<span class="sourceLineNo">101</span>      }<a name="line.101"></a>
+<span class="sourceLineNo">102</span>      buf.skip(len);<a 
name="line.102"></a>
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+<span class="sourceLineNo">104</span>    }<a name="line.104"></a>
+<span class="sourceLineNo">105</span><a name="line.105"></a>
+<span class="sourceLineNo">106</span>    @Override<a name="line.106"></a>
+<span class="sourceLineNo">107</span>    public Cell current() {<a 
name="line.107"></a>
+<span class="sourceLineNo">108</span>      return this.current;<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>    protected Cell createCell(byte[] buf, 
int offset, int len) {<a name="line.111"></a>
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ShareableMemoryNoTagsKeyValue(buf, offset, len);<a name="line.112"></a>
+<span class="sourceLineNo">113</span>    }<a name="line.113"></a>
+<span class="sourceLineNo">114</span><a name="line.114"></a>
+<span class="sourceLineNo">115</span>    protected Cell createCell(ByteBuffer 
bb, int pos, int len) {<a name="line.115"></a>
+<span class="sourceLineNo">116</span>      // We know there is not going to be 
any tags.<a name="line.116"></a>
+<span class="sourceLineNo">117</span>      return new 
ShareableMemoryOffheapKeyValue(bb, pos, len, false, 0);<a name="line.117"></a>
+<span class="sourceLineNo">118</span>    }<a name="line.118"></a>
+<span class="sourceLineNo">119</span><a name="line.119"></a>
+<span class="sourceLineNo">120</span>    static class ShareableMemoryKeyValue 
extends KeyValue implements ShareableMemory {<a name="line.120"></a>
+<span class="sourceLineNo">121</span>      public 
ShareableMemoryKeyValue(byte[] bytes, int offset, int length) {<a 
name="line.121"></a>
+<span class="sourceLineNo">122</span>        super(bytes, offset, length);<a 
name="line.122"></a>
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+<span class="sourceLineNo">124</span><a name="line.124"></a>
+<span class="sourceLineNo">125</span>      @Override<a name="line.125"></a>
+<span class="sourceLineNo">126</span>      public Cell cloneToCell() {<a 
name="line.126"></a>
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Bytes.copy(this.bytes, this.offset, this.length);<a name="line.127"></a>
+<span class="sourceLineNo">128</span>        KeyValue kv = new KeyValue(copy, 
0, copy.length);<a name="line.128"></a>
+<span class="sourceLineNo">129</span>        
kv.setSequenceId(this.getSequenceId());<a name="line.129"></a>
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+<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><a name="line.133"></a>
+<span class="sourceLineNo">134</span>    static class 
ShareableMemoryNoTagsKeyValue extends NoTagsKeyValue implements ShareableMemory 
{<a name="line.134"></a>
+<span class="sourceLineNo">135</span>      public 
ShareableMemoryNoTagsKeyValue(byte[] bytes, int offset, int length) {<a 
name="line.135"></a>
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name="line.136"></a>
+<span class="sourceLineNo">137</span>      }<a name="line.137"></a>
+<span class="sourceLineNo">138</span><a name="line.138"></a>
+<span class="sourceLineNo">139</span>      @Override<a name="line.139"></a>
+<span class="sourceLineNo">140</span>      public Cell cloneToCell() {<a 
name="line.140"></a>
+<span class="sourceLineNo">141</span>        byte[] copy = 
Bytes.copy(this.bytes, this.offset, this.length);<a name="line.141"></a>
+<span class="sourceLineNo">142</span>        KeyValue kv = new 
NoTagsKeyValue(copy, 0, copy.length);<a name="line.142"></a>
+<span class="sourceLineNo">143</span>        
kv.setSequenceId(this.getSequenceId());<a name="line.143"></a>
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+<span class="sourceLineNo">145</span>      }<a name="line.145"></a>
+<span class="sourceLineNo">146</span>    }<a name="line.146"></a>
+<span class="sourceLineNo">147</span><a name="line.147"></a>
+<span class="sourceLineNo">148</span>    static class 
ShareableMemoryOffheapKeyValue extends OffheapKeyValue implements 
ShareableMemory {<a name="line.148"></a>
+<span class="sourceLineNo">149</span>      public 
ShareableMemoryOffheapKeyValue(ByteBuffer buf, int offset, int length) {<a 
name="line.149"></a>
+<span class="sourceLineNo">150</span>        super(buf, offset, length);<a 
name="line.150"></a>
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+<span class="sourceLineNo">152</span><a name="line.152"></a>
+<span class="sourceLineNo">153</span>      public 
ShareableMemoryOffheapKeyValue(ByteBuffer buf, int offset, int length, boolean 
hasTags,<a name="line.153"></a>
+<span class="sourceLineNo">154</span>          long seqId) {<a 
name="line.154"></a>
+<span class="sourceLineNo">155</span>        super(buf, offset, length, 
hasTags, seqId);<a name="line.155"></a>
+<span class="sourceLineNo">156</span>      }<a name="line.156"></a>
+<span class="sourceLineNo">157</span><a name="line.157"></a>
+<span class="sourceLineNo">158</span>      @Override<a name="line.158"></a>
+<span class="sourceLineNo">159</span>      public Cell cloneToCell() {<a 
name="line.159"></a>
+<span class="sourceLineNo">160</span>        byte[] copy = new 
byte[this.length];<a name="line.160"></a>
+<span class="sourceLineNo">161</span>        
ByteBufferUtils.copyFromBufferToArray(copy, this.buf, this.offset, 0, 
this.length);<a name="line.161"></a>
+<span class="sourceLineNo">162</span>        KeyValue kv;<a 
name="line.162"></a>
+<span class="sourceLineNo">163</span>        if (this.hasTags) {<a 
name="line.163"></a>
+<span class="sourceLineNo">164</span>          kv = new KeyValue(copy, 0, 
copy.length);<a name="line.164"></a>
+<span class="sourceLineNo">165</span>        } else {<a name="line.165"></a>
+<span class="sourceLineNo">166</span>          kv = new NoTagsKeyValue(copy, 
0, copy.length);<a name="line.166"></a>
+<span class="sourceLineNo">167</span>        }<a name="line.167"></a>
+<span class="sourceLineNo">168</span>        
kv.setSequenceId(this.getSequenceId());<a name="line.168"></a>
+<span class="sourceLineNo">169</span>        return kv;<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>  }<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>   * Implementation depends on {@link 
InputStream#available()}<a name="line.175"></a>
+<span class="sourceLineNo">176</span>   */<a name="line.176"></a>
+<span class="sourceLineNo">177</span>  @Override<a name="line.177"></a>
+<span class="sourceLineNo">178</span>  public Decoder getDecoder(final 
InputStream is) {<a name="line.178"></a>
+<span class="sourceLineNo">179</span>    return new KeyValueDecoder(is);<a 
name="line.179"></a>
+<span class="sourceLineNo">180</span>  }<a name="line.180"></a>
+<span class="sourceLineNo">181</span><a name="line.181"></a>
+<span class="sourceLineNo">182</span>  @Override<a name="line.182"></a>
+<span class="sourceLineNo">183</span>  public Decoder getDecoder(ByteBuff buf) 
{<a name="line.183"></a>
+<span class="sourceLineNo">184</span>    return new 
ByteBuffKeyValueDecoder(buf);<a name="line.184"></a>
+<span class="sourceLineNo">185</span>  }<a name="line.185"></a>
+<span class="sourceLineNo">186</span><a name="line.186"></a>
+<span class="sourceLineNo">187</span>  @Override<a name="line.187"></a>
+<span class="sourceLineNo">188</span>  public Encoder getEncoder(OutputStream 
os) {<a name="line.188"></a>
+<span class="sourceLineNo">189</span>    return new KeyValueEncoder(os);<a 
name="line.189"></a>
+<span class="sourceLineNo">190</span>  }<a name="line.190"></a>
+<span class="sourceLineNo">191</span>}<a name="line.191"></a>
 
 
 

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