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 < prefix.length) return true;<a name="line.59"></a> -<span class="sourceLineNo">060</span> // if they are equal, return false => 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() && cmp > 0) || (isReversed() && cmp < 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<byte []> 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 <code>bytes</code><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 < prefix.length) return true;<a name="line.60"></a> +<span class="sourceLineNo">061</span> // if they are equal, return false => 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() && cmp > 0) || (isReversed() && cmp < 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<byte []> 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 <code>bytes</code><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> * <p><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> * <p><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> * <p><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 > 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<byte []> filterArguments) {<a name="line.90"></a> -<span class="sourceLineNo">091</span> ArrayList<?> 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 <code>bytes</code><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> * <p><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> * <p><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> * <p><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 > 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<byte []> filterArguments) {<a name="line.91"></a> +<span class="sourceLineNo">092</span> ArrayList<?> 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 <code>bytes</code><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 < 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 > 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() < 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 <code>bytes</code><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 < 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 > 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() < 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 <code>bytes</code><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. 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