You are viewing a plain text version of this content. The canonical link for it is here.
Posted to commits@hbase.apache.org by gi...@apache.org on 2018/08/24 14:47:42 UTC

[28/51] [partial] hbase-site git commit: Published site at a452487a9b82bfd33bc10683c3f8b8ae74d58883.

http://git-wip-us.apache.org/repos/asf/hbase-site/blob/0cf79db0/apidocs/src-html/org/apache/hadoop/hbase/filter/PrefixFilter.html
----------------------------------------------------------------------
diff --git a/apidocs/src-html/org/apache/hadoop/hbase/filter/PrefixFilter.html b/apidocs/src-html/org/apache/hadoop/hbase/filter/PrefixFilter.html
index 96bdd09..2553d09 100644
--- a/apidocs/src-html/org/apache/hadoop/hbase/filter/PrefixFilter.html
+++ b/apidocs/src-html/org/apache/hadoop/hbase/filter/PrefixFilter.html
@@ -28,143 +28,158 @@
 <span class="sourceLineNo">020</span>package org.apache.hadoop.hbase.filter;<a name="line.20"></a>
 <span class="sourceLineNo">021</span><a name="line.21"></a>
 <span class="sourceLineNo">022</span>import java.util.ArrayList;<a name="line.22"></a>
-<span class="sourceLineNo">023</span><a name="line.23"></a>
-<span class="sourceLineNo">024</span>import org.apache.hadoop.hbase.ByteBufferExtendedCell;<a name="line.24"></a>
-<span class="sourceLineNo">025</span>import org.apache.hadoop.hbase.Cell;<a name="line.25"></a>
-<span class="sourceLineNo">026</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.26"></a>
-<span class="sourceLineNo">027</span>import org.apache.hadoop.hbase.exceptions.DeserializationException;<a name="line.27"></a>
-<span class="sourceLineNo">028</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.FilterProtos;<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><a name="line.31"></a>
-<span class="sourceLineNo">032</span>import org.apache.hbase.thirdparty.com.google.common.base.Preconditions;<a name="line.32"></a>
-<span class="sourceLineNo">033</span>import org.apache.hbase.thirdparty.com.google.protobuf.InvalidProtocolBufferException;<a name="line.33"></a>
-<span class="sourceLineNo">034</span>import org.apache.hbase.thirdparty.com.google.protobuf.UnsafeByteOperations;<a 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> * Pass results that have same row prefix.<a name="line.37"></a>
-<span class="sourceLineNo">038</span> */<a name="line.38"></a>
-<span class="sourceLineNo">039</span>@InterfaceAudience.Public<a name="line.39"></a>
-<span class="sourceLineNo">040</span>public class PrefixFilter extends FilterBase {<a name="line.40"></a>
-<span class="sourceLineNo">041</span>  protected byte [] prefix = null;<a name="line.41"></a>
-<span class="sourceLineNo">042</span>  protected boolean passedPrefix = false;<a name="line.42"></a>
-<span class="sourceLineNo">043</span>  protected boolean filterRow = true;<a name="line.43"></a>
-<span class="sourceLineNo">044</span><a name="line.44"></a>
-<span class="sourceLineNo">045</span>  public PrefixFilter(final byte [] prefix) {<a name="line.45"></a>
-<span class="sourceLineNo">046</span>    this.prefix = prefix;<a name="line.46"></a>
-<span class="sourceLineNo">047</span>  }<a name="line.47"></a>
-<span class="sourceLineNo">048</span><a name="line.48"></a>
-<span class="sourceLineNo">049</span>  public byte[] getPrefix() {<a name="line.49"></a>
-<span class="sourceLineNo">050</span>    return prefix;<a name="line.50"></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>  @Override<a name="line.53"></a>
-<span class="sourceLineNo">054</span>  public boolean filterRowKey(Cell firstRowCell) {<a name="line.54"></a>
-<span class="sourceLineNo">055</span>    if (firstRowCell == null || this.prefix == null)<a name="line.55"></a>
-<span class="sourceLineNo">056</span>      return true;<a name="line.56"></a>
-<span class="sourceLineNo">057</span>    if (filterAllRemaining()) return true;<a name="line.57"></a>
-<span class="sourceLineNo">058</span>    int length = firstRowCell.getRowLength();<a name="line.58"></a>
-<span class="sourceLineNo">059</span>    if (length &lt; prefix.length) return true;<a name="line.59"></a>
-<span class="sourceLineNo">060</span>    // if they are equal, return false =&gt; pass row<a name="line.60"></a>
-<span class="sourceLineNo">061</span>    // else return true, filter row<a name="line.61"></a>
-<span class="sourceLineNo">062</span>    // if we are passed the prefix, set flag<a name="line.62"></a>
-<span class="sourceLineNo">063</span>    int cmp;<a name="line.63"></a>
-<span class="sourceLineNo">064</span>    if (firstRowCell instanceof ByteBufferExtendedCell) {<a name="line.64"></a>
-<span class="sourceLineNo">065</span>      cmp = ByteBufferUtils.compareTo(((ByteBufferExtendedCell) firstRowCell).getRowByteBuffer(),<a name="line.65"></a>
-<span class="sourceLineNo">066</span>          ((ByteBufferExtendedCell) firstRowCell).getRowPosition(), this.prefix.length,<a name="line.66"></a>
-<span class="sourceLineNo">067</span>          this.prefix, 0, this.prefix.length);<a name="line.67"></a>
-<span class="sourceLineNo">068</span>    } else {<a name="line.68"></a>
-<span class="sourceLineNo">069</span>      cmp = Bytes.compareTo(firstRowCell.getRowArray(), firstRowCell.getRowOffset(),<a name="line.69"></a>
-<span class="sourceLineNo">070</span>          this.prefix.length, this.prefix, 0, this.prefix.length);<a name="line.70"></a>
-<span class="sourceLineNo">071</span>    }<a name="line.71"></a>
-<span class="sourceLineNo">072</span>    if ((!isReversed() &amp;&amp; cmp &gt; 0) || (isReversed() &amp;&amp; cmp &lt; 0)) {<a name="line.72"></a>
-<span class="sourceLineNo">073</span>      passedPrefix = true;<a name="line.73"></a>
-<span class="sourceLineNo">074</span>    }<a name="line.74"></a>
-<span class="sourceLineNo">075</span>    filterRow = (cmp != 0);<a name="line.75"></a>
-<span class="sourceLineNo">076</span>    return filterRow;<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>  @Deprecated<a name="line.79"></a>
-<span class="sourceLineNo">080</span>  @Override<a name="line.80"></a>
-<span class="sourceLineNo">081</span>  public ReturnCode filterKeyValue(final Cell c) {<a name="line.81"></a>
-<span class="sourceLineNo">082</span>    return filterCell(c);<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>  @Override<a name="line.85"></a>
-<span class="sourceLineNo">086</span>  public ReturnCode filterCell(final Cell c) {<a name="line.86"></a>
-<span class="sourceLineNo">087</span>    if (filterRow) return ReturnCode.NEXT_ROW;<a name="line.87"></a>
-<span class="sourceLineNo">088</span>    return ReturnCode.INCLUDE;<a name="line.88"></a>
-<span class="sourceLineNo">089</span>  }<a name="line.89"></a>
-<span class="sourceLineNo">090</span><a name="line.90"></a>
-<span class="sourceLineNo">091</span>  @Override<a name="line.91"></a>
-<span class="sourceLineNo">092</span>  public boolean filterRow() {<a name="line.92"></a>
-<span class="sourceLineNo">093</span>    return filterRow;<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>  @Override<a name="line.96"></a>
-<span class="sourceLineNo">097</span>  public void reset() {<a name="line.97"></a>
-<span class="sourceLineNo">098</span>    filterRow = true;<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>  @Override<a name="line.101"></a>
-<span class="sourceLineNo">102</span>  public boolean filterAllRemaining() {<a name="line.102"></a>
-<span class="sourceLineNo">103</span>    return passedPrefix;<a name="line.103"></a>
-<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>  public static Filter createFilterFromArguments(ArrayList&lt;byte []&gt; filterArguments) {<a name="line.106"></a>
-<span class="sourceLineNo">107</span>    Preconditions.checkArgument(filterArguments.size() == 1,<a name="line.107"></a>
-<span class="sourceLineNo">108</span>                                "Expected 1 but got: %s", filterArguments.size());<a name="line.108"></a>
-<span class="sourceLineNo">109</span>    byte [] prefix = ParseFilter.removeQuotesFromByteArray(filterArguments.get(0));<a name="line.109"></a>
-<span class="sourceLineNo">110</span>    return new PrefixFilter(prefix);<a name="line.110"></a>
-<span class="sourceLineNo">111</span>  }<a name="line.111"></a>
-<span class="sourceLineNo">112</span><a name="line.112"></a>
-<span class="sourceLineNo">113</span>  /**<a name="line.113"></a>
-<span class="sourceLineNo">114</span>   * @return The filter serialized using pb<a name="line.114"></a>
-<span class="sourceLineNo">115</span>   */<a name="line.115"></a>
-<span class="sourceLineNo">116</span>  @Override<a name="line.116"></a>
-<span class="sourceLineNo">117</span>  public byte [] toByteArray() {<a name="line.117"></a>
-<span class="sourceLineNo">118</span>    FilterProtos.PrefixFilter.Builder builder =<a name="line.118"></a>
-<span class="sourceLineNo">119</span>      FilterProtos.PrefixFilter.newBuilder();<a name="line.119"></a>
-<span class="sourceLineNo">120</span>    if (this.prefix != null) builder.setPrefix(UnsafeByteOperations.unsafeWrap(this.prefix));<a name="line.120"></a>
-<span class="sourceLineNo">121</span>    return builder.build().toByteArray();<a name="line.121"></a>
-<span class="sourceLineNo">122</span>  }<a name="line.122"></a>
-<span class="sourceLineNo">123</span><a name="line.123"></a>
-<span class="sourceLineNo">124</span>  /**<a name="line.124"></a>
-<span class="sourceLineNo">125</span>   * @param pbBytes A pb serialized {@link PrefixFilter} instance<a name="line.125"></a>
-<span class="sourceLineNo">126</span>   * @return An instance of {@link PrefixFilter} made from &lt;code&gt;bytes&lt;/code&gt;<a name="line.126"></a>
-<span class="sourceLineNo">127</span>   * @throws org.apache.hadoop.hbase.exceptions.DeserializationException<a name="line.127"></a>
-<span class="sourceLineNo">128</span>   * @see #toByteArray<a name="line.128"></a>
-<span class="sourceLineNo">129</span>   */<a name="line.129"></a>
-<span class="sourceLineNo">130</span>  public static PrefixFilter parseFrom(final byte [] pbBytes)<a name="line.130"></a>
-<span class="sourceLineNo">131</span>  throws DeserializationException {<a name="line.131"></a>
-<span class="sourceLineNo">132</span>    FilterProtos.PrefixFilter proto;<a name="line.132"></a>
-<span class="sourceLineNo">133</span>    try {<a name="line.133"></a>
-<span class="sourceLineNo">134</span>      proto = FilterProtos.PrefixFilter.parseFrom(pbBytes);<a name="line.134"></a>
-<span class="sourceLineNo">135</span>    } catch (InvalidProtocolBufferException e) {<a name="line.135"></a>
-<span class="sourceLineNo">136</span>      throw new DeserializationException(e);<a name="line.136"></a>
-<span class="sourceLineNo">137</span>    }<a name="line.137"></a>
-<span class="sourceLineNo">138</span>    return new PrefixFilter(proto.hasPrefix()?proto.getPrefix().toByteArray():null);<a name="line.138"></a>
-<span class="sourceLineNo">139</span>  }<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>   * @param o the other filter to compare with<a name="line.142"></a>
-<span class="sourceLineNo">143</span>   * @return true if and only if the fields of the filter that are serialized<a name="line.143"></a>
-<span class="sourceLineNo">144</span>   * are equal to the corresponding fields in other.  Used for testing.<a name="line.144"></a>
-<span class="sourceLineNo">145</span>   */<a name="line.145"></a>
-<span class="sourceLineNo">146</span>  @Override<a name="line.146"></a>
-<span class="sourceLineNo">147</span>  boolean areSerializedFieldsEqual(Filter o) {<a name="line.147"></a>
-<span class="sourceLineNo">148</span>    if (o == this) return true;<a name="line.148"></a>
-<span class="sourceLineNo">149</span>    if (!(o instanceof PrefixFilter)) return false;<a name="line.149"></a>
-<span class="sourceLineNo">150</span><a name="line.150"></a>
-<span class="sourceLineNo">151</span>    PrefixFilter other = (PrefixFilter)o;<a name="line.151"></a>
-<span class="sourceLineNo">152</span>    return Bytes.equals(this.getPrefix(), other.getPrefix());<a name="line.152"></a>
-<span class="sourceLineNo">153</span>  }<a name="line.153"></a>
-<span class="sourceLineNo">154</span><a name="line.154"></a>
-<span class="sourceLineNo">155</span>  @Override<a name="line.155"></a>
-<span class="sourceLineNo">156</span>  public String toString() {<a name="line.156"></a>
-<span class="sourceLineNo">157</span>    return this.getClass().getSimpleName() + " " + Bytes.toStringBinary(this.prefix);<a name="line.157"></a>
-<span class="sourceLineNo">158</span>  }<a name="line.158"></a>
-<span class="sourceLineNo">159</span>}<a name="line.159"></a>
+<span class="sourceLineNo">023</span>import java.util.Objects;<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.ByteBufferExtendedCell;<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.yetus.audience.InterfaceAudience;<a name="line.27"></a>
+<span class="sourceLineNo">028</span>import org.apache.hadoop.hbase.exceptions.DeserializationException;<a name="line.28"></a>
+<span class="sourceLineNo">029</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.FilterProtos;<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><a name="line.32"></a>
+<span class="sourceLineNo">033</span>import org.apache.hbase.thirdparty.com.google.common.base.Preconditions;<a name="line.33"></a>
+<span class="sourceLineNo">034</span>import org.apache.hbase.thirdparty.com.google.protobuf.InvalidProtocolBufferException;<a name="line.34"></a>
+<span class="sourceLineNo">035</span>import org.apache.hbase.thirdparty.com.google.protobuf.UnsafeByteOperations;<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> * Pass results that have same row prefix.<a name="line.38"></a>
+<span class="sourceLineNo">039</span> */<a name="line.39"></a>
+<span class="sourceLineNo">040</span>@InterfaceAudience.Public<a name="line.40"></a>
+<span class="sourceLineNo">041</span>public class PrefixFilter extends FilterBase {<a name="line.41"></a>
+<span class="sourceLineNo">042</span>  protected byte [] prefix = null;<a name="line.42"></a>
+<span class="sourceLineNo">043</span>  protected boolean passedPrefix = false;<a name="line.43"></a>
+<span class="sourceLineNo">044</span>  protected boolean filterRow = true;<a name="line.44"></a>
+<span class="sourceLineNo">045</span><a name="line.45"></a>
+<span class="sourceLineNo">046</span>  public PrefixFilter(final byte [] prefix) {<a name="line.46"></a>
+<span class="sourceLineNo">047</span>    this.prefix = prefix;<a name="line.47"></a>
+<span class="sourceLineNo">048</span>  }<a name="line.48"></a>
+<span class="sourceLineNo">049</span><a name="line.49"></a>
+<span class="sourceLineNo">050</span>  public byte[] getPrefix() {<a name="line.50"></a>
+<span class="sourceLineNo">051</span>    return prefix;<a name="line.51"></a>
+<span class="sourceLineNo">052</span>  }<a name="line.52"></a>
+<span class="sourceLineNo">053</span><a name="line.53"></a>
+<span class="sourceLineNo">054</span>  @Override<a name="line.54"></a>
+<span class="sourceLineNo">055</span>  public boolean filterRowKey(Cell firstRowCell) {<a name="line.55"></a>
+<span class="sourceLineNo">056</span>    if (firstRowCell == null || this.prefix == null)<a name="line.56"></a>
+<span class="sourceLineNo">057</span>      return true;<a name="line.57"></a>
+<span class="sourceLineNo">058</span>    if (filterAllRemaining()) return true;<a name="line.58"></a>
+<span class="sourceLineNo">059</span>    int length = firstRowCell.getRowLength();<a name="line.59"></a>
+<span class="sourceLineNo">060</span>    if (length &lt; prefix.length) return true;<a name="line.60"></a>
+<span class="sourceLineNo">061</span>    // if they are equal, return false =&gt; pass row<a name="line.61"></a>
+<span class="sourceLineNo">062</span>    // else return true, filter row<a name="line.62"></a>
+<span class="sourceLineNo">063</span>    // if we are passed the prefix, set flag<a name="line.63"></a>
+<span class="sourceLineNo">064</span>    int cmp;<a name="line.64"></a>
+<span class="sourceLineNo">065</span>    if (firstRowCell instanceof ByteBufferExtendedCell) {<a name="line.65"></a>
+<span class="sourceLineNo">066</span>      cmp = ByteBufferUtils.compareTo(((ByteBufferExtendedCell) firstRowCell).getRowByteBuffer(),<a name="line.66"></a>
+<span class="sourceLineNo">067</span>          ((ByteBufferExtendedCell) firstRowCell).getRowPosition(), this.prefix.length,<a name="line.67"></a>
+<span class="sourceLineNo">068</span>          this.prefix, 0, this.prefix.length);<a name="line.68"></a>
+<span class="sourceLineNo">069</span>    } else {<a name="line.69"></a>
+<span class="sourceLineNo">070</span>      cmp = Bytes.compareTo(firstRowCell.getRowArray(), firstRowCell.getRowOffset(),<a name="line.70"></a>
+<span class="sourceLineNo">071</span>          this.prefix.length, this.prefix, 0, this.prefix.length);<a name="line.71"></a>
+<span class="sourceLineNo">072</span>    }<a name="line.72"></a>
+<span class="sourceLineNo">073</span>    if ((!isReversed() &amp;&amp; cmp &gt; 0) || (isReversed() &amp;&amp; cmp &lt; 0)) {<a name="line.73"></a>
+<span class="sourceLineNo">074</span>      passedPrefix = true;<a name="line.74"></a>
+<span class="sourceLineNo">075</span>    }<a name="line.75"></a>
+<span class="sourceLineNo">076</span>    filterRow = (cmp != 0);<a name="line.76"></a>
+<span class="sourceLineNo">077</span>    return filterRow;<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>  @Deprecated<a name="line.80"></a>
+<span class="sourceLineNo">081</span>  @Override<a name="line.81"></a>
+<span class="sourceLineNo">082</span>  public ReturnCode filterKeyValue(final Cell c) {<a name="line.82"></a>
+<span class="sourceLineNo">083</span>    return filterCell(c);<a name="line.83"></a>
+<span class="sourceLineNo">084</span>  }<a name="line.84"></a>
+<span class="sourceLineNo">085</span><a name="line.85"></a>
+<span class="sourceLineNo">086</span>  @Override<a name="line.86"></a>
+<span class="sourceLineNo">087</span>  public ReturnCode filterCell(final Cell c) {<a name="line.87"></a>
+<span class="sourceLineNo">088</span>    if (filterRow) return ReturnCode.NEXT_ROW;<a name="line.88"></a>
+<span class="sourceLineNo">089</span>    return ReturnCode.INCLUDE;<a name="line.89"></a>
+<span class="sourceLineNo">090</span>  }<a name="line.90"></a>
+<span class="sourceLineNo">091</span><a name="line.91"></a>
+<span class="sourceLineNo">092</span>  @Override<a name="line.92"></a>
+<span class="sourceLineNo">093</span>  public boolean filterRow() {<a name="line.93"></a>
+<span class="sourceLineNo">094</span>    return filterRow;<a name="line.94"></a>
+<span class="sourceLineNo">095</span>  }<a name="line.95"></a>
+<span class="sourceLineNo">096</span><a name="line.96"></a>
+<span class="sourceLineNo">097</span>  @Override<a name="line.97"></a>
+<span class="sourceLineNo">098</span>  public void reset() {<a name="line.98"></a>
+<span class="sourceLineNo">099</span>    filterRow = true;<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>  @Override<a name="line.102"></a>
+<span class="sourceLineNo">103</span>  public boolean filterAllRemaining() {<a name="line.103"></a>
+<span class="sourceLineNo">104</span>    return passedPrefix;<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 Filter createFilterFromArguments(ArrayList&lt;byte []&gt; filterArguments) {<a name="line.107"></a>
+<span class="sourceLineNo">108</span>    Preconditions.checkArgument(filterArguments.size() == 1,<a name="line.108"></a>
+<span class="sourceLineNo">109</span>                                "Expected 1 but got: %s", filterArguments.size());<a name="line.109"></a>
+<span class="sourceLineNo">110</span>    byte [] prefix = ParseFilter.removeQuotesFromByteArray(filterArguments.get(0));<a name="line.110"></a>
+<span class="sourceLineNo">111</span>    return new PrefixFilter(prefix);<a name="line.111"></a>
+<span class="sourceLineNo">112</span>  }<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>   * @return The filter serialized using pb<a name="line.115"></a>
+<span class="sourceLineNo">116</span>   */<a name="line.116"></a>
+<span class="sourceLineNo">117</span>  @Override<a name="line.117"></a>
+<span class="sourceLineNo">118</span>  public byte [] toByteArray() {<a name="line.118"></a>
+<span class="sourceLineNo">119</span>    FilterProtos.PrefixFilter.Builder builder =<a name="line.119"></a>
+<span class="sourceLineNo">120</span>      FilterProtos.PrefixFilter.newBuilder();<a name="line.120"></a>
+<span class="sourceLineNo">121</span>    if (this.prefix != null) builder.setPrefix(UnsafeByteOperations.unsafeWrap(this.prefix));<a name="line.121"></a>
+<span class="sourceLineNo">122</span>    return builder.build().toByteArray();<a name="line.122"></a>
+<span class="sourceLineNo">123</span>  }<a name="line.123"></a>
+<span class="sourceLineNo">124</span><a name="line.124"></a>
+<span class="sourceLineNo">125</span>  /**<a name="line.125"></a>
+<span class="sourceLineNo">126</span>   * @param pbBytes A pb serialized {@link PrefixFilter} instance<a name="line.126"></a>
+<span class="sourceLineNo">127</span>   * @return An instance of {@link PrefixFilter} made from &lt;code&gt;bytes&lt;/code&gt;<a name="line.127"></a>
+<span class="sourceLineNo">128</span>   * @throws org.apache.hadoop.hbase.exceptions.DeserializationException<a name="line.128"></a>
+<span class="sourceLineNo">129</span>   * @see #toByteArray<a name="line.129"></a>
+<span class="sourceLineNo">130</span>   */<a name="line.130"></a>
+<span class="sourceLineNo">131</span>  public static PrefixFilter parseFrom(final byte [] pbBytes)<a name="line.131"></a>
+<span class="sourceLineNo">132</span>  throws DeserializationException {<a name="line.132"></a>
+<span class="sourceLineNo">133</span>    FilterProtos.PrefixFilter proto;<a name="line.133"></a>
+<span class="sourceLineNo">134</span>    try {<a name="line.134"></a>
+<span class="sourceLineNo">135</span>      proto = FilterProtos.PrefixFilter.parseFrom(pbBytes);<a name="line.135"></a>
+<span class="sourceLineNo">136</span>    } catch (InvalidProtocolBufferException e) {<a name="line.136"></a>
+<span class="sourceLineNo">137</span>      throw new DeserializationException(e);<a name="line.137"></a>
+<span class="sourceLineNo">138</span>    }<a name="line.138"></a>
+<span class="sourceLineNo">139</span>    return new PrefixFilter(proto.hasPrefix()?proto.getPrefix().toByteArray():null);<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>  /**<a name="line.142"></a>
+<span class="sourceLineNo">143</span>   * @param o the other filter to compare with<a name="line.143"></a>
+<span class="sourceLineNo">144</span>   * @return true if and only if the fields of the filter that are serialized<a name="line.144"></a>
+<span class="sourceLineNo">145</span>   * are equal to the corresponding fields in other.  Used for testing.<a name="line.145"></a>
+<span class="sourceLineNo">146</span>   */<a name="line.146"></a>
+<span class="sourceLineNo">147</span>  @Override<a name="line.147"></a>
+<span class="sourceLineNo">148</span>  boolean areSerializedFieldsEqual(Filter o) {<a name="line.148"></a>
+<span class="sourceLineNo">149</span>    if (o == this) return true;<a name="line.149"></a>
+<span class="sourceLineNo">150</span>    if (!(o instanceof PrefixFilter)) return false;<a name="line.150"></a>
+<span class="sourceLineNo">151</span><a name="line.151"></a>
+<span class="sourceLineNo">152</span>    PrefixFilter other = (PrefixFilter)o;<a name="line.152"></a>
+<span class="sourceLineNo">153</span>    return Bytes.equals(this.getPrefix(), other.getPrefix());<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>  @Override<a name="line.156"></a>
+<span class="sourceLineNo">157</span>  public String toString() {<a name="line.157"></a>
+<span class="sourceLineNo">158</span>    return this.getClass().getSimpleName() + " " + Bytes.toStringBinary(this.prefix);<a name="line.158"></a>
+<span class="sourceLineNo">159</span>  }<a name="line.159"></a>
+<span class="sourceLineNo">160</span><a name="line.160"></a>
+<span class="sourceLineNo">161</span>  @Override<a name="line.161"></a>
+<span class="sourceLineNo">162</span>  public boolean equals(Object obj) {<a name="line.162"></a>
+<span class="sourceLineNo">163</span>    if (obj == null || (!(obj instanceof PrefixFilter))) {<a name="line.163"></a>
+<span class="sourceLineNo">164</span>      return false;<a name="line.164"></a>
+<span class="sourceLineNo">165</span>    }<a name="line.165"></a>
+<span class="sourceLineNo">166</span>    PrefixFilter f = (PrefixFilter) obj;<a name="line.166"></a>
+<span class="sourceLineNo">167</span>    return this.areSerializedFieldsEqual(f);<a name="line.167"></a>
+<span class="sourceLineNo">168</span>  }<a name="line.168"></a>
+<span class="sourceLineNo">169</span><a name="line.169"></a>
+<span class="sourceLineNo">170</span>  @Override<a name="line.170"></a>
+<span class="sourceLineNo">171</span>  public int hashCode() {<a name="line.171"></a>
+<span class="sourceLineNo">172</span>    return Objects.hash(Bytes.hashCode(this.getPrefix()));<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>
 
 
 

http://git-wip-us.apache.org/repos/asf/hbase-site/blob/0cf79db0/apidocs/src-html/org/apache/hadoop/hbase/filter/QualifierFilter.html
----------------------------------------------------------------------
diff --git a/apidocs/src-html/org/apache/hadoop/hbase/filter/QualifierFilter.html b/apidocs/src-html/org/apache/hadoop/hbase/filter/QualifierFilter.html
index b4299f1..3f90c7c 100644
--- a/apidocs/src-html/org/apache/hadoop/hbase/filter/QualifierFilter.html
+++ b/apidocs/src-html/org/apache/hadoop/hbase/filter/QualifierFilter.html
@@ -29,129 +29,144 @@
 <span class="sourceLineNo">021</span><a name="line.21"></a>
 <span class="sourceLineNo">022</span>import java.io.IOException;<a name="line.22"></a>
 <span class="sourceLineNo">023</span>import java.util.ArrayList;<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.Cell;<a name="line.25"></a>
-<span class="sourceLineNo">026</span>import org.apache.hadoop.hbase.CompareOperator;<a name="line.26"></a>
-<span class="sourceLineNo">027</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.27"></a>
-<span class="sourceLineNo">028</span>import org.apache.hadoop.hbase.exceptions.DeserializationException;<a name="line.28"></a>
-<span class="sourceLineNo">029</span>import org.apache.hadoop.hbase.shaded.protobuf.ProtobufUtil;<a name="line.29"></a>
-<span class="sourceLineNo">030</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.FilterProtos;<a name="line.30"></a>
-<span class="sourceLineNo">031</span>import org.apache.hbase.thirdparty.com.google.protobuf.InvalidProtocolBufferException;<a name="line.31"></a>
-<span class="sourceLineNo">032</span><a name="line.32"></a>
-<span class="sourceLineNo">033</span>/**<a name="line.33"></a>
-<span class="sourceLineNo">034</span> * This filter is used to filter based on the column qualifier. It takes an<a name="line.34"></a>
-<span class="sourceLineNo">035</span> * operator (equal, greater, not equal, etc) and a byte [] comparator for the<a name="line.35"></a>
-<span class="sourceLineNo">036</span> * column qualifier portion of a key.<a name="line.36"></a>
-<span class="sourceLineNo">037</span> * &lt;p&gt;<a name="line.37"></a>
-<span class="sourceLineNo">038</span> * This filter can be wrapped with {@link WhileMatchFilter} and {@link SkipFilter}<a name="line.38"></a>
-<span class="sourceLineNo">039</span> * to add more control.<a name="line.39"></a>
-<span class="sourceLineNo">040</span> * &lt;p&gt;<a name="line.40"></a>
-<span class="sourceLineNo">041</span> * Multiple filters can be combined using {@link FilterList}.<a name="line.41"></a>
-<span class="sourceLineNo">042</span> * &lt;p&gt;<a name="line.42"></a>
-<span class="sourceLineNo">043</span> * If an already known column qualifier is looked for, <a name="line.43"></a>
-<span class="sourceLineNo">044</span> * use {@link org.apache.hadoop.hbase.client.Get#addColumn}<a name="line.44"></a>
-<span class="sourceLineNo">045</span> * directly rather than a filter.<a name="line.45"></a>
-<span class="sourceLineNo">046</span> */<a name="line.46"></a>
-<span class="sourceLineNo">047</span>@InterfaceAudience.Public<a name="line.47"></a>
-<span class="sourceLineNo">048</span>public class QualifierFilter extends CompareFilter {<a name="line.48"></a>
-<span class="sourceLineNo">049</span><a name="line.49"></a>
-<span class="sourceLineNo">050</span>  /**<a name="line.50"></a>
-<span class="sourceLineNo">051</span>   * Constructor.<a name="line.51"></a>
-<span class="sourceLineNo">052</span>   * @param op the compare op for column qualifier matching<a name="line.52"></a>
-<span class="sourceLineNo">053</span>   * @param qualifierComparator the comparator for column qualifier matching<a name="line.53"></a>
-<span class="sourceLineNo">054</span>   * @deprecated Since 2.0.0. Will be removed in 3.0.0.<a name="line.54"></a>
-<span class="sourceLineNo">055</span>   * Use {@link #QualifierFilter(CompareOperator, ByteArrayComparable)} instead.<a name="line.55"></a>
-<span class="sourceLineNo">056</span>   */<a name="line.56"></a>
-<span class="sourceLineNo">057</span>  @Deprecated<a name="line.57"></a>
-<span class="sourceLineNo">058</span>  public QualifierFilter(final CompareOp op,<a name="line.58"></a>
-<span class="sourceLineNo">059</span>      final ByteArrayComparable qualifierComparator) {<a name="line.59"></a>
-<span class="sourceLineNo">060</span>    super(op, qualifierComparator);<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>  /**<a name="line.63"></a>
-<span class="sourceLineNo">064</span>   * Constructor.<a name="line.64"></a>
-<span class="sourceLineNo">065</span>   * @param op the compare op for column qualifier matching<a name="line.65"></a>
-<span class="sourceLineNo">066</span>   * @param qualifierComparator the comparator for column qualifier matching<a name="line.66"></a>
-<span class="sourceLineNo">067</span>   */<a name="line.67"></a>
-<span class="sourceLineNo">068</span>  public QualifierFilter(final CompareOperator op,<a name="line.68"></a>
-<span class="sourceLineNo">069</span>                         final ByteArrayComparable qualifierComparator) {<a name="line.69"></a>
-<span class="sourceLineNo">070</span>    super(op, qualifierComparator);<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>  @Deprecated<a name="line.73"></a>
-<span class="sourceLineNo">074</span>  @Override<a name="line.74"></a>
-<span class="sourceLineNo">075</span>  public ReturnCode filterKeyValue(final Cell c) {<a name="line.75"></a>
-<span class="sourceLineNo">076</span>    return filterCell(c);<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>  @Override<a name="line.79"></a>
-<span class="sourceLineNo">080</span>  public ReturnCode filterCell(final Cell c) {<a name="line.80"></a>
-<span class="sourceLineNo">081</span>    int qualifierLength = c.getQualifierLength();<a name="line.81"></a>
-<span class="sourceLineNo">082</span>    if (qualifierLength &gt; 0) {<a name="line.82"></a>
-<span class="sourceLineNo">083</span>      if (compareQualifier(getCompareOperator(), this.comparator, c)) {<a name="line.83"></a>
-<span class="sourceLineNo">084</span>        return ReturnCode.SKIP;<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>    return ReturnCode.INCLUDE;<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 Filter createFilterFromArguments(ArrayList&lt;byte []&gt; filterArguments) {<a name="line.90"></a>
-<span class="sourceLineNo">091</span>    ArrayList&lt;?&gt; arguments = CompareFilter.extractArguments(filterArguments);<a name="line.91"></a>
-<span class="sourceLineNo">092</span>    CompareOperator compareOp = (CompareOperator)arguments.get(0);<a name="line.92"></a>
-<span class="sourceLineNo">093</span>    ByteArrayComparable comparator = (ByteArrayComparable)arguments.get(1);<a name="line.93"></a>
-<span class="sourceLineNo">094</span>    return new QualifierFilter(compareOp, comparator);<a name="line.94"></a>
-<span class="sourceLineNo">095</span>  }<a name="line.95"></a>
-<span class="sourceLineNo">096</span><a name="line.96"></a>
-<span class="sourceLineNo">097</span>  /**<a name="line.97"></a>
-<span class="sourceLineNo">098</span>   * @return The filter serialized using pb<a name="line.98"></a>
-<span class="sourceLineNo">099</span>   */<a name="line.99"></a>
-<span class="sourceLineNo">100</span>  @Override<a name="line.100"></a>
-<span class="sourceLineNo">101</span>  public byte [] toByteArray() {<a name="line.101"></a>
-<span class="sourceLineNo">102</span>    FilterProtos.QualifierFilter.Builder builder =<a name="line.102"></a>
-<span class="sourceLineNo">103</span>      FilterProtos.QualifierFilter.newBuilder();<a name="line.103"></a>
-<span class="sourceLineNo">104</span>    builder.setCompareFilter(super.convert());<a name="line.104"></a>
-<span class="sourceLineNo">105</span>    return builder.build().toByteArray();<a name="line.105"></a>
-<span class="sourceLineNo">106</span>  }<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>   * @param pbBytes A pb serialized {@link QualifierFilter} instance<a name="line.109"></a>
-<span class="sourceLineNo">110</span>   * @return An instance of {@link QualifierFilter} made from &lt;code&gt;bytes&lt;/code&gt;<a name="line.110"></a>
-<span class="sourceLineNo">111</span>   * @throws org.apache.hadoop.hbase.exceptions.DeserializationException<a name="line.111"></a>
-<span class="sourceLineNo">112</span>   * @see #toByteArray<a name="line.112"></a>
-<span class="sourceLineNo">113</span>   */<a name="line.113"></a>
-<span class="sourceLineNo">114</span>  public static QualifierFilter parseFrom(final byte [] pbBytes)<a name="line.114"></a>
-<span class="sourceLineNo">115</span>  throws DeserializationException {<a name="line.115"></a>
-<span class="sourceLineNo">116</span>    FilterProtos.QualifierFilter proto;<a name="line.116"></a>
-<span class="sourceLineNo">117</span>    try {<a name="line.117"></a>
-<span class="sourceLineNo">118</span>      proto = FilterProtos.QualifierFilter.parseFrom(pbBytes);<a name="line.118"></a>
-<span class="sourceLineNo">119</span>    } catch (InvalidProtocolBufferException e) {<a name="line.119"></a>
-<span class="sourceLineNo">120</span>      throw new DeserializationException(e);<a name="line.120"></a>
-<span class="sourceLineNo">121</span>    }<a name="line.121"></a>
-<span class="sourceLineNo">122</span>    final CompareOperator valueCompareOp =<a name="line.122"></a>
-<span class="sourceLineNo">123</span>      CompareOperator.valueOf(proto.getCompareFilter().getCompareOp().name());<a name="line.123"></a>
-<span class="sourceLineNo">124</span>    ByteArrayComparable valueComparator = null;<a name="line.124"></a>
-<span class="sourceLineNo">125</span>    try {<a name="line.125"></a>
-<span class="sourceLineNo">126</span>      if (proto.getCompareFilter().hasComparator()) {<a name="line.126"></a>
-<span class="sourceLineNo">127</span>        valueComparator = ProtobufUtil.toComparator(proto.getCompareFilter().getComparator());<a name="line.127"></a>
-<span class="sourceLineNo">128</span>      }<a name="line.128"></a>
-<span class="sourceLineNo">129</span>    } catch (IOException ioe) {<a name="line.129"></a>
-<span class="sourceLineNo">130</span>      throw new DeserializationException(ioe);<a name="line.130"></a>
-<span class="sourceLineNo">131</span>    }<a name="line.131"></a>
-<span class="sourceLineNo">132</span>    return new QualifierFilter(valueCompareOp,valueComparator);<a name="line.132"></a>
-<span class="sourceLineNo">133</span>  }<a name="line.133"></a>
-<span class="sourceLineNo">134</span><a name="line.134"></a>
-<span class="sourceLineNo">135</span>  /**<a name="line.135"></a>
-<span class="sourceLineNo">136</span>   * @return true if and only if the fields of the filter that are serialized<a name="line.136"></a>
-<span class="sourceLineNo">137</span>   * are equal to the corresponding fields in other.  Used for testing.<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>  boolean areSerializedFieldsEqual(Filter o) {<a name="line.140"></a>
-<span class="sourceLineNo">141</span>    if (o == this) return true;<a name="line.141"></a>
-<span class="sourceLineNo">142</span>    if (!(o instanceof QualifierFilter)) return false;<a name="line.142"></a>
-<span class="sourceLineNo">143</span><a name="line.143"></a>
-<span class="sourceLineNo">144</span>    return super.areSerializedFieldsEqual(o);<a name="line.144"></a>
-<span class="sourceLineNo">145</span>  }<a name="line.145"></a>
-<span class="sourceLineNo">146</span>}<a name="line.146"></a>
+<span class="sourceLineNo">024</span>import java.util.Objects;<a name="line.24"></a>
+<span class="sourceLineNo">025</span><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.CompareOperator;<a name="line.27"></a>
+<span class="sourceLineNo">028</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.28"></a>
+<span class="sourceLineNo">029</span>import org.apache.hadoop.hbase.exceptions.DeserializationException;<a name="line.29"></a>
+<span class="sourceLineNo">030</span>import org.apache.hadoop.hbase.shaded.protobuf.ProtobufUtil;<a name="line.30"></a>
+<span class="sourceLineNo">031</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.FilterProtos;<a name="line.31"></a>
+<span class="sourceLineNo">032</span>import org.apache.hbase.thirdparty.com.google.protobuf.InvalidProtocolBufferException;<a name="line.32"></a>
+<span class="sourceLineNo">033</span><a name="line.33"></a>
+<span class="sourceLineNo">034</span>/**<a name="line.34"></a>
+<span class="sourceLineNo">035</span> * This filter is used to filter based on the column qualifier. It takes an<a name="line.35"></a>
+<span class="sourceLineNo">036</span> * operator (equal, greater, not equal, etc) and a byte [] comparator for the<a name="line.36"></a>
+<span class="sourceLineNo">037</span> * column qualifier portion of a key.<a name="line.37"></a>
+<span class="sourceLineNo">038</span> * &lt;p&gt;<a name="line.38"></a>
+<span class="sourceLineNo">039</span> * This filter can be wrapped with {@link WhileMatchFilter} and {@link SkipFilter}<a name="line.39"></a>
+<span class="sourceLineNo">040</span> * to add more control.<a name="line.40"></a>
+<span class="sourceLineNo">041</span> * &lt;p&gt;<a name="line.41"></a>
+<span class="sourceLineNo">042</span> * Multiple filters can be combined using {@link FilterList}.<a name="line.42"></a>
+<span class="sourceLineNo">043</span> * &lt;p&gt;<a name="line.43"></a>
+<span class="sourceLineNo">044</span> * If an already known column qualifier is looked for, <a name="line.44"></a>
+<span class="sourceLineNo">045</span> * use {@link org.apache.hadoop.hbase.client.Get#addColumn}<a name="line.45"></a>
+<span class="sourceLineNo">046</span> * directly rather than a filter.<a name="line.46"></a>
+<span class="sourceLineNo">047</span> */<a name="line.47"></a>
+<span class="sourceLineNo">048</span>@InterfaceAudience.Public<a name="line.48"></a>
+<span class="sourceLineNo">049</span>public class QualifierFilter extends CompareFilter {<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>   * Constructor.<a name="line.52"></a>
+<span class="sourceLineNo">053</span>   * @param op the compare op for column qualifier matching<a name="line.53"></a>
+<span class="sourceLineNo">054</span>   * @param qualifierComparator the comparator for column qualifier matching<a name="line.54"></a>
+<span class="sourceLineNo">055</span>   * @deprecated Since 2.0.0. Will be removed in 3.0.0.<a name="line.55"></a>
+<span class="sourceLineNo">056</span>   * Use {@link #QualifierFilter(CompareOperator, ByteArrayComparable)} instead.<a name="line.56"></a>
+<span class="sourceLineNo">057</span>   */<a name="line.57"></a>
+<span class="sourceLineNo">058</span>  @Deprecated<a name="line.58"></a>
+<span class="sourceLineNo">059</span>  public QualifierFilter(final CompareOp op,<a name="line.59"></a>
+<span class="sourceLineNo">060</span>      final ByteArrayComparable qualifierComparator) {<a name="line.60"></a>
+<span class="sourceLineNo">061</span>    super(op, qualifierComparator);<a name="line.61"></a>
+<span class="sourceLineNo">062</span>  }<a name="line.62"></a>
+<span class="sourceLineNo">063</span><a name="line.63"></a>
+<span class="sourceLineNo">064</span>  /**<a name="line.64"></a>
+<span class="sourceLineNo">065</span>   * Constructor.<a name="line.65"></a>
+<span class="sourceLineNo">066</span>   * @param op the compare op for column qualifier matching<a name="line.66"></a>
+<span class="sourceLineNo">067</span>   * @param qualifierComparator the comparator for column qualifier matching<a name="line.67"></a>
+<span class="sourceLineNo">068</span>   */<a name="line.68"></a>
+<span class="sourceLineNo">069</span>  public QualifierFilter(final CompareOperator op,<a name="line.69"></a>
+<span class="sourceLineNo">070</span>                         final ByteArrayComparable qualifierComparator) {<a name="line.70"></a>
+<span class="sourceLineNo">071</span>    super(op, qualifierComparator);<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>  @Deprecated<a name="line.74"></a>
+<span class="sourceLineNo">075</span>  @Override<a name="line.75"></a>
+<span class="sourceLineNo">076</span>  public ReturnCode filterKeyValue(final Cell c) {<a name="line.76"></a>
+<span class="sourceLineNo">077</span>    return filterCell(c);<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>  @Override<a name="line.80"></a>
+<span class="sourceLineNo">081</span>  public ReturnCode filterCell(final Cell c) {<a name="line.81"></a>
+<span class="sourceLineNo">082</span>    int qualifierLength = c.getQualifierLength();<a name="line.82"></a>
+<span class="sourceLineNo">083</span>    if (qualifierLength &gt; 0) {<a name="line.83"></a>
+<span class="sourceLineNo">084</span>      if (compareQualifier(getCompareOperator(), this.comparator, c)) {<a name="line.84"></a>
+<span class="sourceLineNo">085</span>        return ReturnCode.SKIP;<a name="line.85"></a>
+<span class="sourceLineNo">086</span>      }<a name="line.86"></a>
+<span class="sourceLineNo">087</span>    }<a name="line.87"></a>
+<span class="sourceLineNo">088</span>    return ReturnCode.INCLUDE;<a name="line.88"></a>
+<span class="sourceLineNo">089</span>  }<a name="line.89"></a>
+<span class="sourceLineNo">090</span><a name="line.90"></a>
+<span class="sourceLineNo">091</span>  public static Filter createFilterFromArguments(ArrayList&lt;byte []&gt; filterArguments) {<a name="line.91"></a>
+<span class="sourceLineNo">092</span>    ArrayList&lt;?&gt; arguments = CompareFilter.extractArguments(filterArguments);<a name="line.92"></a>
+<span class="sourceLineNo">093</span>    CompareOperator compareOp = (CompareOperator)arguments.get(0);<a name="line.93"></a>
+<span class="sourceLineNo">094</span>    ByteArrayComparable comparator = (ByteArrayComparable)arguments.get(1);<a name="line.94"></a>
+<span class="sourceLineNo">095</span>    return new QualifierFilter(compareOp, comparator);<a name="line.95"></a>
+<span class="sourceLineNo">096</span>  }<a name="line.96"></a>
+<span class="sourceLineNo">097</span><a name="line.97"></a>
+<span class="sourceLineNo">098</span>  /**<a name="line.98"></a>
+<span class="sourceLineNo">099</span>   * @return The filter serialized using pb<a name="line.99"></a>
+<span class="sourceLineNo">100</span>   */<a name="line.100"></a>
+<span class="sourceLineNo">101</span>  @Override<a name="line.101"></a>
+<span class="sourceLineNo">102</span>  public byte [] toByteArray() {<a name="line.102"></a>
+<span class="sourceLineNo">103</span>    FilterProtos.QualifierFilter.Builder builder =<a name="line.103"></a>
+<span class="sourceLineNo">104</span>      FilterProtos.QualifierFilter.newBuilder();<a name="line.104"></a>
+<span class="sourceLineNo">105</span>    builder.setCompareFilter(super.convert());<a name="line.105"></a>
+<span class="sourceLineNo">106</span>    return builder.build().toByteArray();<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>  /**<a name="line.109"></a>
+<span class="sourceLineNo">110</span>   * @param pbBytes A pb serialized {@link QualifierFilter} instance<a name="line.110"></a>
+<span class="sourceLineNo">111</span>   * @return An instance of {@link QualifierFilter} made from &lt;code&gt;bytes&lt;/code&gt;<a name="line.111"></a>
+<span class="sourceLineNo">112</span>   * @throws org.apache.hadoop.hbase.exceptions.DeserializationException<a name="line.112"></a>
+<span class="sourceLineNo">113</span>   * @see #toByteArray<a name="line.113"></a>
+<span class="sourceLineNo">114</span>   */<a name="line.114"></a>
+<span class="sourceLineNo">115</span>  public static QualifierFilter parseFrom(final byte [] pbBytes)<a name="line.115"></a>
+<span class="sourceLineNo">116</span>  throws DeserializationException {<a name="line.116"></a>
+<span class="sourceLineNo">117</span>    FilterProtos.QualifierFilter proto;<a name="line.117"></a>
+<span class="sourceLineNo">118</span>    try {<a name="line.118"></a>
+<span class="sourceLineNo">119</span>      proto = FilterProtos.QualifierFilter.parseFrom(pbBytes);<a name="line.119"></a>
+<span class="sourceLineNo">120</span>    } catch (InvalidProtocolBufferException e) {<a name="line.120"></a>
+<span class="sourceLineNo">121</span>      throw new DeserializationException(e);<a name="line.121"></a>
+<span class="sourceLineNo">122</span>    }<a name="line.122"></a>
+<span class="sourceLineNo">123</span>    final CompareOperator valueCompareOp =<a name="line.123"></a>
+<span class="sourceLineNo">124</span>      CompareOperator.valueOf(proto.getCompareFilter().getCompareOp().name());<a name="line.124"></a>
+<span class="sourceLineNo">125</span>    ByteArrayComparable valueComparator = null;<a name="line.125"></a>
+<span class="sourceLineNo">126</span>    try {<a name="line.126"></a>
+<span class="sourceLineNo">127</span>      if (proto.getCompareFilter().hasComparator()) {<a name="line.127"></a>
+<span class="sourceLineNo">128</span>        valueComparator = ProtobufUtil.toComparator(proto.getCompareFilter().getComparator());<a name="line.128"></a>
+<span class="sourceLineNo">129</span>      }<a name="line.129"></a>
+<span class="sourceLineNo">130</span>    } catch (IOException ioe) {<a name="line.130"></a>
+<span class="sourceLineNo">131</span>      throw new DeserializationException(ioe);<a name="line.131"></a>
+<span class="sourceLineNo">132</span>    }<a name="line.132"></a>
+<span class="sourceLineNo">133</span>    return new QualifierFilter(valueCompareOp,valueComparator);<a name="line.133"></a>
+<span class="sourceLineNo">134</span>  }<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>   * @return true if and only if the fields of the filter that are serialized<a name="line.137"></a>
+<span class="sourceLineNo">138</span>   * are equal to the corresponding fields in other.  Used for testing.<a name="line.138"></a>
+<span class="sourceLineNo">139</span>   */<a name="line.139"></a>
+<span class="sourceLineNo">140</span>  @Override<a name="line.140"></a>
+<span class="sourceLineNo">141</span>  boolean areSerializedFieldsEqual(Filter o) {<a name="line.141"></a>
+<span class="sourceLineNo">142</span>    if (o == this) return true;<a name="line.142"></a>
+<span class="sourceLineNo">143</span>    if (!(o instanceof QualifierFilter)) return false;<a name="line.143"></a>
+<span class="sourceLineNo">144</span><a name="line.144"></a>
+<span class="sourceLineNo">145</span>    return super.areSerializedFieldsEqual(o);<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>  @Override<a name="line.148"></a>
+<span class="sourceLineNo">149</span>  public boolean equals(Object obj) {<a name="line.149"></a>
+<span class="sourceLineNo">150</span>    if (obj == null || (!(obj instanceof QualifierFilter))) {<a name="line.150"></a>
+<span class="sourceLineNo">151</span>      return false;<a name="line.151"></a>
+<span class="sourceLineNo">152</span>    }<a name="line.152"></a>
+<span class="sourceLineNo">153</span>    QualifierFilter f = (QualifierFilter) obj;<a name="line.153"></a>
+<span class="sourceLineNo">154</span>    return this.areSerializedFieldsEqual(f);<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>  @Override<a name="line.157"></a>
+<span class="sourceLineNo">158</span>  public int hashCode() {<a name="line.158"></a>
+<span class="sourceLineNo">159</span>    return Objects.hash(this.getComparator(), this.getCompareOperator());<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>
 
 
 

http://git-wip-us.apache.org/repos/asf/hbase-site/blob/0cf79db0/apidocs/src-html/org/apache/hadoop/hbase/filter/RandomRowFilter.html
----------------------------------------------------------------------
diff --git a/apidocs/src-html/org/apache/hadoop/hbase/filter/RandomRowFilter.html b/apidocs/src-html/org/apache/hadoop/hbase/filter/RandomRowFilter.html
index 3cf2e83..c5cdc25 100644
--- a/apidocs/src-html/org/apache/hadoop/hbase/filter/RandomRowFilter.html
+++ b/apidocs/src-html/org/apache/hadoop/hbase/filter/RandomRowFilter.html
@@ -27,142 +27,157 @@
 <span class="sourceLineNo">019</span><a name="line.19"></a>
 <span class="sourceLineNo">020</span>package org.apache.hadoop.hbase.filter;<a name="line.20"></a>
 <span class="sourceLineNo">021</span><a name="line.21"></a>
-<span class="sourceLineNo">022</span>import java.util.Random;<a name="line.22"></a>
-<span class="sourceLineNo">023</span><a name="line.23"></a>
-<span class="sourceLineNo">024</span>import org.apache.hadoop.hbase.Cell;<a name="line.24"></a>
-<span class="sourceLineNo">025</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.25"></a>
-<span class="sourceLineNo">026</span>import org.apache.hadoop.hbase.exceptions.DeserializationException;<a name="line.26"></a>
-<span class="sourceLineNo">027</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.FilterProtos;<a name="line.27"></a>
-<span class="sourceLineNo">028</span><a name="line.28"></a>
-<span class="sourceLineNo">029</span>import org.apache.hbase.thirdparty.com.google.protobuf.InvalidProtocolBufferException;<a name="line.29"></a>
-<span class="sourceLineNo">030</span><a name="line.30"></a>
-<span class="sourceLineNo">031</span>/**<a name="line.31"></a>
-<span class="sourceLineNo">032</span> * A filter that includes rows based on a chance.<a name="line.32"></a>
-<span class="sourceLineNo">033</span> * <a name="line.33"></a>
-<span class="sourceLineNo">034</span> */<a name="line.34"></a>
-<span class="sourceLineNo">035</span>@InterfaceAudience.Public<a name="line.35"></a>
-<span class="sourceLineNo">036</span>public class RandomRowFilter extends FilterBase {<a name="line.36"></a>
-<span class="sourceLineNo">037</span>  protected static final Random random = new Random();<a name="line.37"></a>
-<span class="sourceLineNo">038</span><a name="line.38"></a>
-<span class="sourceLineNo">039</span>  protected float chance;<a name="line.39"></a>
-<span class="sourceLineNo">040</span>  protected boolean filterOutRow;<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>   * Create a new filter with a specified chance for a row to be included.<a name="line.43"></a>
-<span class="sourceLineNo">044</span>   * <a name="line.44"></a>
-<span class="sourceLineNo">045</span>   * @param chance<a name="line.45"></a>
-<span class="sourceLineNo">046</span>   */<a name="line.46"></a>
-<span class="sourceLineNo">047</span>  public RandomRowFilter(float chance) {<a name="line.47"></a>
-<span class="sourceLineNo">048</span>    this.chance = chance;<a name="line.48"></a>
-<span class="sourceLineNo">049</span>  }<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>   * @return The chance that a row gets included.<a name="line.52"></a>
-<span class="sourceLineNo">053</span>   */<a name="line.53"></a>
-<span class="sourceLineNo">054</span>  public float getChance() {<a name="line.54"></a>
-<span class="sourceLineNo">055</span>    return chance;<a name="line.55"></a>
-<span class="sourceLineNo">056</span>  }<a name="line.56"></a>
-<span class="sourceLineNo">057</span><a name="line.57"></a>
-<span class="sourceLineNo">058</span>  /**<a name="line.58"></a>
-<span class="sourceLineNo">059</span>   * Set the chance that a row is included.<a name="line.59"></a>
-<span class="sourceLineNo">060</span>   * <a name="line.60"></a>
-<span class="sourceLineNo">061</span>   * @param chance<a name="line.61"></a>
-<span class="sourceLineNo">062</span>   */<a name="line.62"></a>
-<span class="sourceLineNo">063</span>  public void setChance(float chance) {<a name="line.63"></a>
-<span class="sourceLineNo">064</span>    this.chance = chance;<a name="line.64"></a>
-<span class="sourceLineNo">065</span>  }<a name="line.65"></a>
-<span class="sourceLineNo">066</span><a name="line.66"></a>
-<span class="sourceLineNo">067</span>  @Override<a name="line.67"></a>
-<span class="sourceLineNo">068</span>  public boolean filterAllRemaining() {<a name="line.68"></a>
-<span class="sourceLineNo">069</span>    return false;<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>  @Deprecated<a name="line.72"></a>
-<span class="sourceLineNo">073</span>  @Override<a name="line.73"></a>
-<span class="sourceLineNo">074</span>  public ReturnCode filterKeyValue(final Cell c) {<a name="line.74"></a>
-<span class="sourceLineNo">075</span>    return filterCell(c);<a name="line.75"></a>
-<span class="sourceLineNo">076</span>  }<a name="line.76"></a>
-<span class="sourceLineNo">077</span><a name="line.77"></a>
-<span class="sourceLineNo">078</span>  @Override<a name="line.78"></a>
-<span class="sourceLineNo">079</span>  public ReturnCode filterCell(final Cell c) {<a name="line.79"></a>
-<span class="sourceLineNo">080</span>    if (filterOutRow) {<a name="line.80"></a>
-<span class="sourceLineNo">081</span>      return ReturnCode.NEXT_ROW;<a name="line.81"></a>
-<span class="sourceLineNo">082</span>    }<a name="line.82"></a>
-<span class="sourceLineNo">083</span>    return ReturnCode.INCLUDE;<a name="line.83"></a>
-<span class="sourceLineNo">084</span>  }<a name="line.84"></a>
-<span class="sourceLineNo">085</span><a name="line.85"></a>
-<span class="sourceLineNo">086</span>  @Override<a name="line.86"></a>
-<span class="sourceLineNo">087</span>  public boolean filterRow() {<a name="line.87"></a>
-<span class="sourceLineNo">088</span>    return filterOutRow;<a name="line.88"></a>
-<span class="sourceLineNo">089</span>  }<a name="line.89"></a>
-<span class="sourceLineNo">090</span><a name="line.90"></a>
-<span class="sourceLineNo">091</span>  @Override<a name="line.91"></a>
-<span class="sourceLineNo">092</span>  public boolean hasFilterRow() {<a name="line.92"></a>
-<span class="sourceLineNo">093</span>    return true;<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>  @Override<a name="line.96"></a>
-<span class="sourceLineNo">097</span>  public boolean filterRowKey(Cell firstRowCell) {<a name="line.97"></a>
-<span class="sourceLineNo">098</span>    if (chance &lt; 0) {<a name="line.98"></a>
-<span class="sourceLineNo">099</span>      // with a zero chance, the rows is always excluded<a name="line.99"></a>
-<span class="sourceLineNo">100</span>      filterOutRow = true;<a name="line.100"></a>
-<span class="sourceLineNo">101</span>    } else if (chance &gt; 1) {<a name="line.101"></a>
-<span class="sourceLineNo">102</span>      // always included<a name="line.102"></a>
-<span class="sourceLineNo">103</span>      filterOutRow = false;<a name="line.103"></a>
-<span class="sourceLineNo">104</span>    } else {<a name="line.104"></a>
-<span class="sourceLineNo">105</span>      // roll the dice<a name="line.105"></a>
-<span class="sourceLineNo">106</span>      filterOutRow = !(random.nextFloat() &lt; chance);<a name="line.106"></a>
-<span class="sourceLineNo">107</span>    }<a name="line.107"></a>
-<span class="sourceLineNo">108</span>    return filterOutRow;<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>  @Override<a name="line.111"></a>
-<span class="sourceLineNo">112</span>  public void reset() {<a name="line.112"></a>
-<span class="sourceLineNo">113</span>    filterOutRow = false;<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>   * @return The filter serialized using pb<a name="line.117"></a>
-<span class="sourceLineNo">118</span>   */<a name="line.118"></a>
-<span class="sourceLineNo">119</span>  @Override<a name="line.119"></a>
-<span class="sourceLineNo">120</span>  public byte [] toByteArray() {<a name="line.120"></a>
-<span class="sourceLineNo">121</span>    FilterProtos.RandomRowFilter.Builder builder =<a name="line.121"></a>
-<span class="sourceLineNo">122</span>      FilterProtos.RandomRowFilter.newBuilder();<a name="line.122"></a>
-<span class="sourceLineNo">123</span>    builder.setChance(this.chance);<a name="line.123"></a>
-<span class="sourceLineNo">124</span>    return builder.build().toByteArray();<a name="line.124"></a>
-<span class="sourceLineNo">125</span>  }<a name="line.125"></a>
-<span class="sourceLineNo">126</span><a name="line.126"></a>
-<span class="sourceLineNo">127</span>  /**<a name="line.127"></a>
-<span class="sourceLineNo">128</span>   * @param pbBytes A pb serialized {@link RandomRowFilter} instance<a name="line.128"></a>
-<span class="sourceLineNo">129</span>   * @return An instance of {@link RandomRowFilter} made from &lt;code&gt;bytes&lt;/code&gt;<a name="line.129"></a>
-<span class="sourceLineNo">130</span>   * @throws DeserializationException<a name="line.130"></a>
-<span class="sourceLineNo">131</span>   * @see #toByteArray<a name="line.131"></a>
-<span class="sourceLineNo">132</span>   */<a name="line.132"></a>
-<span class="sourceLineNo">133</span>  public static RandomRowFilter parseFrom(final byte [] pbBytes)<a name="line.133"></a>
-<span class="sourceLineNo">134</span>  throws DeserializationException {<a name="line.134"></a>
-<span class="sourceLineNo">135</span>    FilterProtos.RandomRowFilter proto;<a name="line.135"></a>
-<span class="sourceLineNo">136</span>    try {<a name="line.136"></a>
-<span class="sourceLineNo">137</span>      proto = FilterProtos.RandomRowFilter.parseFrom(pbBytes);<a name="line.137"></a>
-<span class="sourceLineNo">138</span>    } catch (InvalidProtocolBufferException e) {<a name="line.138"></a>
-<span class="sourceLineNo">139</span>      throw new DeserializationException(e);<a name="line.139"></a>
-<span class="sourceLineNo">140</span>    }<a name="line.140"></a>
-<span class="sourceLineNo">141</span>    return new RandomRowFilter(proto.getChance());<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>  /**<a name="line.144"></a>
-<span class="sourceLineNo">145</span>   * @param o the other filter to compare with<a name="line.145"></a>
-<span class="sourceLineNo">146</span>   * @return true if and only if the fields of the filter that are serialized<a name="line.146"></a>
-<span class="sourceLineNo">147</span>   * are equal to the corresponding fields in other.  Used for testing.<a name="line.147"></a>
-<span class="sourceLineNo">148</span>   */<a name="line.148"></a>
-<span class="sourceLineNo">149</span>  @Override<a name="line.149"></a>
-<span class="sourceLineNo">150</span>  boolean areSerializedFieldsEqual(Filter o) {<a name="line.150"></a>
-<span class="sourceLineNo">151</span>    if (o == this) return true;<a name="line.151"></a>
-<span class="sourceLineNo">152</span>    if (!(o instanceof RandomRowFilter)) return false;<a name="line.152"></a>
-<span class="sourceLineNo">153</span><a name="line.153"></a>
-<span class="sourceLineNo">154</span>    RandomRowFilter other = (RandomRowFilter)o;<a name="line.154"></a>
-<span class="sourceLineNo">155</span>    return this.getChance() == other.getChance();<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">022</span>import java.util.Objects;<a name="line.22"></a>
+<span class="sourceLineNo">023</span>import java.util.Random;<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.Cell;<a name="line.25"></a>
+<span class="sourceLineNo">026</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.26"></a>
+<span class="sourceLineNo">027</span>import org.apache.hadoop.hbase.exceptions.DeserializationException;<a name="line.27"></a>
+<span class="sourceLineNo">028</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.FilterProtos;<a name="line.28"></a>
+<span class="sourceLineNo">029</span><a name="line.29"></a>
+<span class="sourceLineNo">030</span>import org.apache.hbase.thirdparty.com.google.protobuf.InvalidProtocolBufferException;<a name="line.30"></a>
+<span class="sourceLineNo">031</span><a name="line.31"></a>
+<span class="sourceLineNo">032</span>/**<a name="line.32"></a>
+<span class="sourceLineNo">033</span> * A filter that includes rows based on a chance.<a name="line.33"></a>
+<span class="sourceLineNo">034</span> * <a name="line.34"></a>
+<span class="sourceLineNo">035</span> */<a name="line.35"></a>
+<span class="sourceLineNo">036</span>@InterfaceAudience.Public<a name="line.36"></a>
+<span class="sourceLineNo">037</span>public class RandomRowFilter extends FilterBase {<a name="line.37"></a>
+<span class="sourceLineNo">038</span>  protected static final Random random = new Random();<a name="line.38"></a>
+<span class="sourceLineNo">039</span><a name="line.39"></a>
+<span class="sourceLineNo">040</span>  protected float chance;<a name="line.40"></a>
+<span class="sourceLineNo">041</span>  protected boolean filterOutRow;<a name="line.41"></a>
+<span class="sourceLineNo">042</span><a name="line.42"></a>
+<span class="sourceLineNo">043</span>  /**<a name="line.43"></a>
+<span class="sourceLineNo">044</span>   * Create a new filter with a specified chance for a row to be included.<a name="line.44"></a>
+<span class="sourceLineNo">045</span>   * <a name="line.45"></a>
+<span class="sourceLineNo">046</span>   * @param chance<a name="line.46"></a>
+<span class="sourceLineNo">047</span>   */<a name="line.47"></a>
+<span class="sourceLineNo">048</span>  public RandomRowFilter(float chance) {<a name="line.48"></a>
+<span class="sourceLineNo">049</span>    this.chance = chance;<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>  /**<a name="line.52"></a>
+<span class="sourceLineNo">053</span>   * @return The chance that a row gets included.<a name="line.53"></a>
+<span class="sourceLineNo">054</span>   */<a name="line.54"></a>
+<span class="sourceLineNo">055</span>  public float getChance() {<a name="line.55"></a>
+<span class="sourceLineNo">056</span>    return chance;<a name="line.56"></a>
+<span class="sourceLineNo">057</span>  }<a name="line.57"></a>
+<span class="sourceLineNo">058</span><a name="line.58"></a>
+<span class="sourceLineNo">059</span>  /**<a name="line.59"></a>
+<span class="sourceLineNo">060</span>   * Set the chance that a row is included.<a name="line.60"></a>
+<span class="sourceLineNo">061</span>   * <a name="line.61"></a>
+<span class="sourceLineNo">062</span>   * @param chance<a name="line.62"></a>
+<span class="sourceLineNo">063</span>   */<a name="line.63"></a>
+<span class="sourceLineNo">064</span>  public void setChance(float chance) {<a name="line.64"></a>
+<span class="sourceLineNo">065</span>    this.chance = chance;<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>  @Override<a name="line.68"></a>
+<span class="sourceLineNo">069</span>  public boolean filterAllRemaining() {<a name="line.69"></a>
+<span class="sourceLineNo">070</span>    return false;<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>  @Deprecated<a name="line.73"></a>
+<span class="sourceLineNo">074</span>  @Override<a name="line.74"></a>
+<span class="sourceLineNo">075</span>  public ReturnCode filterKeyValue(final Cell c) {<a name="line.75"></a>
+<span class="sourceLineNo">076</span>    return filterCell(c);<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>  @Override<a name="line.79"></a>
+<span class="sourceLineNo">080</span>  public ReturnCode filterCell(final Cell c) {<a name="line.80"></a>
+<span class="sourceLineNo">081</span>    if (filterOutRow) {<a name="line.81"></a>
+<span class="sourceLineNo">082</span>      return ReturnCode.NEXT_ROW;<a name="line.82"></a>
+<span class="sourceLineNo">083</span>    }<a name="line.83"></a>
+<span class="sourceLineNo">084</span>    return ReturnCode.INCLUDE;<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>  @Override<a name="line.87"></a>
+<span class="sourceLineNo">088</span>  public boolean filterRow() {<a name="line.88"></a>
+<span class="sourceLineNo">089</span>    return filterOutRow;<a name="line.89"></a>
+<span class="sourceLineNo">090</span>  }<a name="line.90"></a>
+<span class="sourceLineNo">091</span><a name="line.91"></a>
+<span class="sourceLineNo">092</span>  @Override<a name="line.92"></a>
+<span class="sourceLineNo">093</span>  public boolean hasFilterRow() {<a name="line.93"></a>
+<span class="sourceLineNo">094</span>    return true;<a name="line.94"></a>
+<span class="sourceLineNo">095</span>  }<a name="line.95"></a>
+<span class="sourceLineNo">096</span><a name="line.96"></a>
+<span class="sourceLineNo">097</span>  @Override<a name="line.97"></a>
+<span class="sourceLineNo">098</span>  public boolean filterRowKey(Cell firstRowCell) {<a name="line.98"></a>
+<span class="sourceLineNo">099</span>    if (chance &lt; 0) {<a name="line.99"></a>
+<span class="sourceLineNo">100</span>      // with a zero chance, the rows is always excluded<a name="line.100"></a>
+<span class="sourceLineNo">101</span>      filterOutRow = true;<a name="line.101"></a>
+<span class="sourceLineNo">102</span>    } else if (chance &gt; 1) {<a name="line.102"></a>
+<span class="sourceLineNo">103</span>      // always included<a name="line.103"></a>
+<span class="sourceLineNo">104</span>      filterOutRow = false;<a name="line.104"></a>
+<span class="sourceLineNo">105</span>    } else {<a name="line.105"></a>
+<span class="sourceLineNo">106</span>      // roll the dice<a name="line.106"></a>
+<span class="sourceLineNo">107</span>      filterOutRow = !(random.nextFloat() &lt; chance);<a name="line.107"></a>
+<span class="sourceLineNo">108</span>    }<a name="line.108"></a>
+<span class="sourceLineNo">109</span>    return filterOutRow;<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>  @Override<a name="line.112"></a>
+<span class="sourceLineNo">113</span>  public void reset() {<a name="line.113"></a>
+<span class="sourceLineNo">114</span>    filterOutRow = false;<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>  /**<a name="line.117"></a>
+<span class="sourceLineNo">118</span>   * @return The filter serialized using pb<a name="line.118"></a>
+<span class="sourceLineNo">119</span>   */<a name="line.119"></a>
+<span class="sourceLineNo">120</span>  @Override<a name="line.120"></a>
+<span class="sourceLineNo">121</span>  public byte [] toByteArray() {<a name="line.121"></a>
+<span class="sourceLineNo">122</span>    FilterProtos.RandomRowFilter.Builder builder =<a name="line.122"></a>
+<span class="sourceLineNo">123</span>      FilterProtos.RandomRowFilter.newBuilder();<a name="line.123"></a>
+<span class="sourceLineNo">124</span>    builder.setChance(this.chance);<a name="line.124"></a>
+<span class="sourceLineNo">125</span>    return builder.build().toByteArray();<a name="line.125"></a>
+<span class="sourceLineNo">126</span>  }<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>   * @param pbBytes A pb serialized {@link RandomRowFilter} instance<a name="line.129"></a>
+<span class="sourceLineNo">130</span>   * @return An instance of {@link RandomRowFilter} made from &lt;code&gt;bytes&lt;/code&gt;<a name="line.130"></a>
+<span class="sourceLineNo">131</span>   * @throws DeserializationException<a name="line.131"></a>
+<span class="sourceLineNo">132</span>   * @see #toByteArray<a name="line.132"></a>
+<span class="sourceLineNo">133</span>   */<a name="line.133"></a>
+<span class="sourceLineNo">134</span>  public static RandomRowFilter parseFrom(final byte [] pbBytes)<a name="line.134"></a>
+<span class="sourceLineNo">135</span>  throws DeserializationException {<a name="line.135"></a>
+<span class="sourceLineNo">136</span>    FilterProtos.RandomRowFilter proto;<a name="line.136"></a>
+<span class="sourceLineNo">137</span>    try {<a name="line.137"></a>
+<span class="sourceLineNo">138</span>      proto = FilterProtos.RandomRowFilter.parseFrom(pbBytes);<a name="line.138"></a>
+<span class="sourceLineNo">139</span>    } catch (InvalidProtocolBufferException e) {<a name="line.139"></a>
+<span class="sourceLineNo">140</span>      throw new DeserializationException(e);<a name="line.140"></a>
+<span class="sourceLineNo">141</span>    }<a name="line.141"></a>
+<span class="sourceLineNo">142</span>    return new RandomRowFilter(proto.getChance());<a name="line.142"></a>
+<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>  /**<a name="line.145"></a>
+<span class="sourceLineNo">146</span>   * @param o the other filter to compare with<a name="line.146"></a>
+<span class="sourceLineNo">147</span>   * @return true if and only if the fields of the filter that are serialized<a name="line.147"></a>
+<span class="sourceLineNo">148</span>   * are equal to the corresponding fields in other.  Used for testing.<a name="line.148"></a>
+<span class="sourceLineNo">149</span>   */<a name="line.149"></a>
+<span class="sourceLineNo">150</span>  @Override<a name="line.150"></a>
+<span class="sourceLineNo">151</span>  boolean areSerializedFieldsEqual(Filter o) {<a name="line.151"></a>
+<span class="sourceLineNo">152</span>    if (o == this) return true;<a name="line.152"></a>
+<span class="sourceLineNo">153</span>    if (!(o instanceof RandomRowFilter)) return false;<a name="line.153"></a>
+<span class="sourceLineNo">154</span><a name="line.154"></a>
+<span class="sourceLineNo">155</span>    RandomRowFilter other = (RandomRowFilter)o;<a name="line.155"></a>
+<span class="sourceLineNo">156</span>    return this.getChance() == other.getChance();<a name="line.156"></a>
+<span class="sourceLineNo">157</span>  }<a name="line.157"></a>
+<span class="sourceLineNo">158</span><a name="line.158"></a>
+<span class="sourceLineNo">159</span>  @Override<a name="line.159"></a>
+<span class="sourceLineNo">160</span>  public boolean equals(Object obj) {<a name="line.160"></a>
+<span class="sourceLineNo">161</span>    if (obj == null || (!(obj instanceof RandomRowFilter))) {<a name="line.161"></a>
+<span class="sourceLineNo">162</span>      return false;<a name="line.162"></a>
+<span class="sourceLineNo">163</span>    }<a name="line.163"></a>
+<span class="sourceLineNo">164</span>    RandomRowFilter f = (RandomRowFilter) obj;<a name="line.164"></a>
+<span class="sourceLineNo">165</span>    return this.areSerializedFieldsEqual(f);<a name="line.165"></a>
+<span class="sourceLineNo">166</span>  }<a name="line.166"></a>
+<span class="sourceLineNo">167</span><a name="line.167"></a>
+<span class="sourceLineNo">168</span>  @Override<a name="line.168"></a>
+<span class="sourceLineNo">169</span>  public int hashCode() {<a name="line.169"></a>
+<span class="sourceLineNo">170</span>    return Objects.hash(this.getChance());<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>