http://git-wip-us.apache.org/repos/asf/hbase-site/blob/293abb17/devapidocs/src-html/org/apache/hadoop/hbase/filter/MultipleColumnPrefixFilter.html ---------------------------------------------------------------------- diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/filter/MultipleColumnPrefixFilter.html b/devapidocs/src-html/org/apache/hadoop/hbase/filter/MultipleColumnPrefixFilter.html index 309387e..11a1dff 100644 --- a/devapidocs/src-html/org/apache/hadoop/hbase/filter/MultipleColumnPrefixFilter.html +++ b/devapidocs/src-html/org/apache/hadoop/hbase/filter/MultipleColumnPrefixFilter.html @@ -27,211 +27,206 @@ <span class="sourceLineNo">019</span><a name="line.19"></a> <span class="sourceLineNo">020</span>import java.io.IOException;<a name="line.20"></a> <span class="sourceLineNo">021</span>import java.util.ArrayList;<a name="line.21"></a> -<span class="sourceLineNo">022</span>import java.util.Arrays;<a name="line.22"></a> -<span class="sourceLineNo">023</span>import java.util.Comparator;<a name="line.23"></a> -<span class="sourceLineNo">024</span>import java.util.Objects;<a name="line.24"></a> -<span class="sourceLineNo">025</span>import java.util.TreeSet;<a name="line.25"></a> -<span class="sourceLineNo">026</span><a name="line.26"></a> -<span class="sourceLineNo">027</span>import org.apache.hadoop.hbase.Cell;<a name="line.27"></a> -<span class="sourceLineNo">028</span>import org.apache.hadoop.hbase.CellUtil;<a name="line.28"></a> -<span class="sourceLineNo">029</span>import org.apache.hadoop.hbase.PrivateCellUtil;<a name="line.29"></a> -<span class="sourceLineNo">030</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.30"></a> -<span class="sourceLineNo">031</span>import org.apache.hadoop.hbase.exceptions.DeserializationException;<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>import org.apache.hbase.thirdparty.com.google.protobuf.UnsafeByteOperations;<a name="line.33"></a> -<span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.FilterProtos;<a name="line.34"></a> -<span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.35"></a> -<span class="sourceLineNo">036</span><a name="line.36"></a> -<span class="sourceLineNo">037</span>/**<a name="line.37"></a> -<span class="sourceLineNo">038</span> * This filter is used for selecting only those keys with columns that matches<a name="line.38"></a> -<span class="sourceLineNo">039</span> * a particular prefix. For example, if prefix is 'an', it will pass keys will<a name="line.39"></a> -<span class="sourceLineNo">040</span> * columns like 'and', 'anti' but not keys with columns like 'ball', 'act'.<a name="line.40"></a> -<span class="sourceLineNo">041</span> */<a name="line.41"></a> -<span class="sourceLineNo">042</span>@InterfaceAudience.Public<a name="line.42"></a> -<span class="sourceLineNo">043</span>public class MultipleColumnPrefixFilter extends FilterBase {<a name="line.43"></a> -<span class="sourceLineNo">044</span> protected byte [] hint = null;<a name="line.44"></a> -<span class="sourceLineNo">045</span> protected TreeSet<byte []> sortedPrefixes = createTreeSet();<a name="line.45"></a> -<span class="sourceLineNo">046</span> private final static int MAX_LOG_PREFIXES = 5;<a name="line.46"></a> -<span class="sourceLineNo">047</span><a name="line.47"></a> -<span class="sourceLineNo">048</span> public MultipleColumnPrefixFilter(final byte [][] prefixes) {<a name="line.48"></a> -<span class="sourceLineNo">049</span> if (prefixes != null) {<a name="line.49"></a> -<span class="sourceLineNo">050</span> for (int i = 0; i < prefixes.length; i++) {<a name="line.50"></a> -<span class="sourceLineNo">051</span> if (!sortedPrefixes.add(prefixes[i]))<a name="line.51"></a> -<span class="sourceLineNo">052</span> throw new IllegalArgumentException ("prefixes must be distinct");<a name="line.52"></a> -<span class="sourceLineNo">053</span> }<a name="line.53"></a> -<span class="sourceLineNo">054</span> }<a name="line.54"></a> -<span class="sourceLineNo">055</span> }<a name="line.55"></a> -<span class="sourceLineNo">056</span><a name="line.56"></a> -<span class="sourceLineNo">057</span> public byte [][] getPrefix() {<a name="line.57"></a> -<span class="sourceLineNo">058</span> int count = 0;<a name="line.58"></a> -<span class="sourceLineNo">059</span> byte [][] temp = new byte [sortedPrefixes.size()][];<a name="line.59"></a> -<span class="sourceLineNo">060</span> for (byte [] prefixes : sortedPrefixes) {<a name="line.60"></a> -<span class="sourceLineNo">061</span> temp [count++] = prefixes;<a name="line.61"></a> -<span class="sourceLineNo">062</span> }<a name="line.62"></a> -<span class="sourceLineNo">063</span> return temp;<a name="line.63"></a> -<span class="sourceLineNo">064</span> }<a name="line.64"></a> -<span class="sourceLineNo">065</span><a name="line.65"></a> -<span class="sourceLineNo">066</span> @Override<a name="line.66"></a> -<span class="sourceLineNo">067</span> public boolean filterRowKey(Cell cell) throws IOException {<a name="line.67"></a> -<span class="sourceLineNo">068</span> // Impl in FilterBase might do unnecessary copy for Off heap backed Cells.<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 (sortedPrefixes.isEmpty()) {<a name="line.80"></a> -<span class="sourceLineNo">081</span> return ReturnCode.INCLUDE;<a name="line.81"></a> -<span class="sourceLineNo">082</span> } else {<a name="line.82"></a> -<span class="sourceLineNo">083</span> return filterColumn(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><a name="line.86"></a> -<span class="sourceLineNo">087</span> public ReturnCode filterColumn(Cell cell) {<a name="line.87"></a> -<span class="sourceLineNo">088</span> byte [] qualifier = CellUtil.cloneQualifier(cell);<a name="line.88"></a> -<span class="sourceLineNo">089</span> TreeSet<byte []> lesserOrEqualPrefixes =<a name="line.89"></a> -<span class="sourceLineNo">090</span> (TreeSet<byte []>) sortedPrefixes.headSet(qualifier, true);<a name="line.90"></a> -<span class="sourceLineNo">091</span><a name="line.91"></a> -<span class="sourceLineNo">092</span> if (lesserOrEqualPrefixes.size() != 0) {<a name="line.92"></a> -<span class="sourceLineNo">093</span> byte [] largestPrefixSmallerThanQualifier = lesserOrEqualPrefixes.last();<a name="line.93"></a> -<span class="sourceLineNo">094</span> <a name="line.94"></a> -<span class="sourceLineNo">095</span> if (Bytes.startsWith(qualifier, largestPrefixSmallerThanQualifier)) {<a name="line.95"></a> -<span class="sourceLineNo">096</span> return ReturnCode.INCLUDE;<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> if (lesserOrEqualPrefixes.size() == sortedPrefixes.size()) {<a name="line.99"></a> -<span class="sourceLineNo">100</span> return ReturnCode.NEXT_ROW;<a name="line.100"></a> -<span class="sourceLineNo">101</span> } else {<a name="line.101"></a> -<span class="sourceLineNo">102</span> hint = sortedPrefixes.higher(largestPrefixSmallerThanQualifier);<a name="line.102"></a> -<span class="sourceLineNo">103</span> return ReturnCode.SEEK_NEXT_USING_HINT;<a name="line.103"></a> -<span class="sourceLineNo">104</span> }<a name="line.104"></a> -<span class="sourceLineNo">105</span> } else {<a name="line.105"></a> -<span class="sourceLineNo">106</span> hint = sortedPrefixes.first();<a name="line.106"></a> -<span class="sourceLineNo">107</span> return ReturnCode.SEEK_NEXT_USING_HINT;<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><a name="line.110"></a> -<span class="sourceLineNo">111</span> public static Filter createFilterFromArguments(ArrayList<byte []> filterArguments) {<a name="line.111"></a> -<span class="sourceLineNo">112</span> byte [][] prefixes = new byte [filterArguments.size()][];<a name="line.112"></a> -<span class="sourceLineNo">113</span> for (int i = 0 ; i < filterArguments.size(); i++) {<a name="line.113"></a> -<span class="sourceLineNo">114</span> byte [] columnPrefix = ParseFilter.removeQuotesFromByteArray(filterArguments.get(i));<a name="line.114"></a> -<span class="sourceLineNo">115</span> prefixes[i] = columnPrefix;<a name="line.115"></a> -<span class="sourceLineNo">116</span> }<a name="line.116"></a> -<span class="sourceLineNo">117</span> return new MultipleColumnPrefixFilter(prefixes);<a name="line.117"></a> -<span class="sourceLineNo">118</span> }<a name="line.118"></a> -<span class="sourceLineNo">119</span><a name="line.119"></a> -<span class="sourceLineNo">120</span> /**<a name="line.120"></a> -<span class="sourceLineNo">121</span> * @return The filter serialized using pb<a name="line.121"></a> -<span class="sourceLineNo">122</span> */<a name="line.122"></a> -<span class="sourceLineNo">123</span> @Override<a name="line.123"></a> -<span class="sourceLineNo">124</span> public byte [] toByteArray() {<a name="line.124"></a> -<span class="sourceLineNo">125</span> FilterProtos.MultipleColumnPrefixFilter.Builder builder =<a name="line.125"></a> -<span class="sourceLineNo">126</span> FilterProtos.MultipleColumnPrefixFilter.newBuilder();<a name="line.126"></a> -<span class="sourceLineNo">127</span> for (byte [] element : sortedPrefixes) {<a name="line.127"></a> -<span class="sourceLineNo">128</span> if (element != null) builder.addSortedPrefixes(UnsafeByteOperations.unsafeWrap(element));<a name="line.128"></a> -<span class="sourceLineNo">129</span> }<a name="line.129"></a> -<span class="sourceLineNo">130</span> return builder.build().toByteArray();<a name="line.130"></a> -<span class="sourceLineNo">131</span> }<a name="line.131"></a> -<span class="sourceLineNo">132</span><a name="line.132"></a> -<span class="sourceLineNo">133</span> /**<a name="line.133"></a> -<span class="sourceLineNo">134</span> * @param pbBytes A pb serialized {@link MultipleColumnPrefixFilter} instance<a name="line.134"></a> -<span class="sourceLineNo">135</span> * @return An instance of {@link MultipleColumnPrefixFilter} made from <code>bytes</code><a name="line.135"></a> -<span class="sourceLineNo">136</span> * @throws DeserializationException<a name="line.136"></a> -<span class="sourceLineNo">137</span> * @see #toByteArray<a name="line.137"></a> -<span class="sourceLineNo">138</span> */<a name="line.138"></a> -<span class="sourceLineNo">139</span> public static MultipleColumnPrefixFilter parseFrom(final byte [] pbBytes)<a name="line.139"></a> -<span class="sourceLineNo">140</span> throws DeserializationException {<a name="line.140"></a> -<span class="sourceLineNo">141</span> FilterProtos.MultipleColumnPrefixFilter proto;<a name="line.141"></a> -<span class="sourceLineNo">142</span> try {<a name="line.142"></a> -<span class="sourceLineNo">143</span> proto = FilterProtos.MultipleColumnPrefixFilter.parseFrom(pbBytes);<a name="line.143"></a> -<span class="sourceLineNo">144</span> } catch (InvalidProtocolBufferException e) {<a name="line.144"></a> -<span class="sourceLineNo">145</span> throw new DeserializationException(e);<a name="line.145"></a> -<span class="sourceLineNo">146</span> }<a name="line.146"></a> -<span class="sourceLineNo">147</span> int numPrefixes = proto.getSortedPrefixesCount();<a name="line.147"></a> -<span class="sourceLineNo">148</span> byte [][] prefixes = new byte[numPrefixes][];<a name="line.148"></a> -<span class="sourceLineNo">149</span> for (int i = 0; i < numPrefixes; ++i) {<a name="line.149"></a> -<span class="sourceLineNo">150</span> prefixes[i] = proto.getSortedPrefixes(i).toByteArray();<a name="line.150"></a> -<span class="sourceLineNo">151</span> }<a name="line.151"></a> -<span class="sourceLineNo">152</span><a name="line.152"></a> -<span class="sourceLineNo">153</span> return new MultipleColumnPrefixFilter(prefixes);<a name="line.153"></a> -<span class="sourceLineNo">154</span> }<a name="line.154"></a> -<span class="sourceLineNo">155</span><a name="line.155"></a> -<span class="sourceLineNo">156</span> /**<a name="line.156"></a> -<span class="sourceLineNo">157</span> * @param o the other filter to compare with<a name="line.157"></a> -<span class="sourceLineNo">158</span> * @return true if and only if the fields of the filter that are serialized<a name="line.158"></a> -<span class="sourceLineNo">159</span> * are equal to the corresponding fields in other. Used for testing.<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> boolean areSerializedFieldsEqual(Filter o) {<a name="line.162"></a> -<span class="sourceLineNo">163</span> if (o == this) return true;<a name="line.163"></a> -<span class="sourceLineNo">164</span> if (!(o instanceof MultipleColumnPrefixFilter)) return false;<a name="line.164"></a> -<span class="sourceLineNo">165</span><a name="line.165"></a> -<span class="sourceLineNo">166</span> MultipleColumnPrefixFilter other = (MultipleColumnPrefixFilter)o;<a name="line.166"></a> -<span class="sourceLineNo">167</span> return this.sortedPrefixes.equals(other.sortedPrefixes);<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 Cell getNextCellHint(Cell cell) {<a name="line.171"></a> -<span class="sourceLineNo">172</span> return PrivateCellUtil.createFirstOnRowCol(cell, hint, 0, hint.length);<a name="line.172"></a> -<span class="sourceLineNo">173</span> }<a name="line.173"></a> -<span class="sourceLineNo">174</span><a name="line.174"></a> -<span class="sourceLineNo">175</span> public TreeSet<byte []> createTreeSet() {<a name="line.175"></a> -<span class="sourceLineNo">176</span> return new TreeSet<>(new Comparator<Object>() {<a name="line.176"></a> -<span class="sourceLineNo">177</span> @Override<a name="line.177"></a> -<span class="sourceLineNo">178</span> public int compare (Object o1, Object o2) {<a name="line.178"></a> -<span class="sourceLineNo">179</span> if (o1 == null || o2 == null)<a name="line.179"></a> -<span class="sourceLineNo">180</span> throw new IllegalArgumentException ("prefixes can't be null");<a name="line.180"></a> -<span class="sourceLineNo">181</span><a name="line.181"></a> -<span class="sourceLineNo">182</span> byte [] b1 = (byte []) o1;<a name="line.182"></a> -<span class="sourceLineNo">183</span> byte [] b2 = (byte []) o2;<a name="line.183"></a> -<span class="sourceLineNo">184</span> return Bytes.compareTo (b1, 0, b1.length, b2, 0, b2.length);<a name="line.184"></a> -<span class="sourceLineNo">185</span> }<a name="line.185"></a> -<span class="sourceLineNo">186</span> });<a name="line.186"></a> -<span class="sourceLineNo">187</span> }<a name="line.187"></a> -<span class="sourceLineNo">188</span><a name="line.188"></a> -<span class="sourceLineNo">189</span> @Override<a name="line.189"></a> -<span class="sourceLineNo">190</span> public String toString() {<a name="line.190"></a> -<span class="sourceLineNo">191</span> return toString(MAX_LOG_PREFIXES);<a name="line.191"></a> -<span class="sourceLineNo">192</span> }<a name="line.192"></a> -<span class="sourceLineNo">193</span><a name="line.193"></a> -<span class="sourceLineNo">194</span> protected String toString(int maxPrefixes) {<a name="line.194"></a> -<span class="sourceLineNo">195</span> StringBuilder prefixes = new StringBuilder();<a name="line.195"></a> -<span class="sourceLineNo">196</span><a name="line.196"></a> -<span class="sourceLineNo">197</span> int count = 0;<a name="line.197"></a> -<span class="sourceLineNo">198</span> for (byte[] ba : this.sortedPrefixes) {<a name="line.198"></a> -<span class="sourceLineNo">199</span> if (count >= maxPrefixes) {<a name="line.199"></a> -<span class="sourceLineNo">200</span> break;<a name="line.200"></a> -<span class="sourceLineNo">201</span> }<a name="line.201"></a> -<span class="sourceLineNo">202</span> ++count;<a name="line.202"></a> -<span class="sourceLineNo">203</span> prefixes.append(Bytes.toStringBinary(ba));<a name="line.203"></a> -<span class="sourceLineNo">204</span> if (count < this.sortedPrefixes.size() && count < maxPrefixes) {<a name="line.204"></a> -<span class="sourceLineNo">205</span> prefixes.append(", ");<a name="line.205"></a> -<span class="sourceLineNo">206</span> }<a name="line.206"></a> -<span class="sourceLineNo">207</span> }<a name="line.207"></a> -<span class="sourceLineNo">208</span><a name="line.208"></a> -<span class="sourceLineNo">209</span> return String.format("%s (%d/%d): [%s]", this.getClass().getSimpleName(),<a name="line.209"></a> -<span class="sourceLineNo">210</span> count, this.sortedPrefixes.size(), prefixes.toString());<a name="line.210"></a> -<span class="sourceLineNo">211</span> }<a name="line.211"></a> -<span class="sourceLineNo">212</span><a name="line.212"></a> -<span class="sourceLineNo">213</span> @Override<a name="line.213"></a> -<span class="sourceLineNo">214</span> public boolean equals(Object obj) {<a name="line.214"></a> -<span class="sourceLineNo">215</span> if (obj == null || (!(obj instanceof MultipleColumnPrefixFilter))) {<a name="line.215"></a> -<span class="sourceLineNo">216</span> return false;<a name="line.216"></a> -<span class="sourceLineNo">217</span> }<a name="line.217"></a> -<span class="sourceLineNo">218</span> MultipleColumnPrefixFilter f = (MultipleColumnPrefixFilter) obj;<a name="line.218"></a> -<span class="sourceLineNo">219</span> return this.areSerializedFieldsEqual(f);<a name="line.219"></a> +<span class="sourceLineNo">022</span>import java.util.Comparator;<a name="line.22"></a> +<span class="sourceLineNo">023</span>import java.util.Objects;<a name="line.23"></a> +<span class="sourceLineNo">024</span>import java.util.TreeSet;<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.CellUtil;<a name="line.27"></a> +<span class="sourceLineNo">028</span>import org.apache.hadoop.hbase.PrivateCellUtil;<a name="line.28"></a> +<span class="sourceLineNo">029</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.29"></a> +<span class="sourceLineNo">030</span>import org.apache.hadoop.hbase.exceptions.DeserializationException;<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>import org.apache.hbase.thirdparty.com.google.protobuf.UnsafeByteOperations;<a name="line.32"></a> +<span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.FilterProtos;<a name="line.33"></a> +<span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.util.Bytes;<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> * This filter is used for selecting only those keys with columns that matches<a name="line.37"></a> +<span class="sourceLineNo">038</span> * a particular prefix. For example, if prefix is 'an', it will pass keys will<a name="line.38"></a> +<span class="sourceLineNo">039</span> * columns like 'and', 'anti' but not keys with columns like 'ball', 'act'.<a name="line.39"></a> +<span class="sourceLineNo">040</span> */<a name="line.40"></a> +<span class="sourceLineNo">041</span>@InterfaceAudience.Public<a name="line.41"></a> +<span class="sourceLineNo">042</span>public class MultipleColumnPrefixFilter extends FilterBase {<a name="line.42"></a> +<span class="sourceLineNo">043</span> protected byte [] hint = null;<a name="line.43"></a> +<span class="sourceLineNo">044</span> protected TreeSet<byte []> sortedPrefixes = createTreeSet();<a name="line.44"></a> +<span class="sourceLineNo">045</span> private final static int MAX_LOG_PREFIXES = 5;<a name="line.45"></a> +<span class="sourceLineNo">046</span><a name="line.46"></a> +<span class="sourceLineNo">047</span> public MultipleColumnPrefixFilter(final byte [][] prefixes) {<a name="line.47"></a> +<span class="sourceLineNo">048</span> if (prefixes != null) {<a name="line.48"></a> +<span class="sourceLineNo">049</span> for (int i = 0; i < prefixes.length; i++) {<a name="line.49"></a> +<span class="sourceLineNo">050</span> if (!sortedPrefixes.add(prefixes[i]))<a name="line.50"></a> +<span class="sourceLineNo">051</span> throw new IllegalArgumentException ("prefixes must be distinct");<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> }<a name="line.54"></a> +<span class="sourceLineNo">055</span><a name="line.55"></a> +<span class="sourceLineNo">056</span> public byte [][] getPrefix() {<a name="line.56"></a> +<span class="sourceLineNo">057</span> int count = 0;<a name="line.57"></a> +<span class="sourceLineNo">058</span> byte [][] temp = new byte [sortedPrefixes.size()][];<a name="line.58"></a> +<span class="sourceLineNo">059</span> for (byte [] prefixes : sortedPrefixes) {<a name="line.59"></a> +<span class="sourceLineNo">060</span> temp [count++] = prefixes;<a name="line.60"></a> +<span class="sourceLineNo">061</span> }<a name="line.61"></a> +<span class="sourceLineNo">062</span> return temp;<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> @Override<a name="line.65"></a> +<span class="sourceLineNo">066</span> public boolean filterRowKey(Cell cell) throws IOException {<a name="line.66"></a> +<span class="sourceLineNo">067</span> // Impl in FilterBase might do unnecessary copy for Off heap backed Cells.<a name="line.67"></a> +<span class="sourceLineNo">068</span> return false;<a name="line.68"></a> +<span class="sourceLineNo">069</span> }<a name="line.69"></a> +<span class="sourceLineNo">070</span><a name="line.70"></a> +<span class="sourceLineNo">071</span> @Deprecated<a name="line.71"></a> +<span class="sourceLineNo">072</span> @Override<a name="line.72"></a> +<span class="sourceLineNo">073</span> public ReturnCode filterKeyValue(final Cell c) {<a name="line.73"></a> +<span class="sourceLineNo">074</span> return filterCell(c);<a name="line.74"></a> +<span class="sourceLineNo">075</span> }<a name="line.75"></a> +<span class="sourceLineNo">076</span><a name="line.76"></a> +<span class="sourceLineNo">077</span> @Override<a name="line.77"></a> +<span class="sourceLineNo">078</span> public ReturnCode filterCell(final Cell c) {<a name="line.78"></a> +<span class="sourceLineNo">079</span> if (sortedPrefixes.isEmpty()) {<a name="line.79"></a> +<span class="sourceLineNo">080</span> return ReturnCode.INCLUDE;<a name="line.80"></a> +<span class="sourceLineNo">081</span> } else {<a name="line.81"></a> +<span class="sourceLineNo">082</span> return filterColumn(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><a name="line.85"></a> +<span class="sourceLineNo">086</span> public ReturnCode filterColumn(Cell cell) {<a name="line.86"></a> +<span class="sourceLineNo">087</span> byte [] qualifier = CellUtil.cloneQualifier(cell);<a name="line.87"></a> +<span class="sourceLineNo">088</span> TreeSet<byte []> lesserOrEqualPrefixes =<a name="line.88"></a> +<span class="sourceLineNo">089</span> (TreeSet<byte []>) sortedPrefixes.headSet(qualifier, true);<a name="line.89"></a> +<span class="sourceLineNo">090</span><a name="line.90"></a> +<span class="sourceLineNo">091</span> if (lesserOrEqualPrefixes.size() != 0) {<a name="line.91"></a> +<span class="sourceLineNo">092</span> byte [] largestPrefixSmallerThanQualifier = lesserOrEqualPrefixes.last();<a name="line.92"></a> +<span class="sourceLineNo">093</span> <a name="line.93"></a> +<span class="sourceLineNo">094</span> if (Bytes.startsWith(qualifier, largestPrefixSmallerThanQualifier)) {<a name="line.94"></a> +<span class="sourceLineNo">095</span> return ReturnCode.INCLUDE;<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> if (lesserOrEqualPrefixes.size() == sortedPrefixes.size()) {<a name="line.98"></a> +<span class="sourceLineNo">099</span> return ReturnCode.NEXT_ROW;<a name="line.99"></a> +<span class="sourceLineNo">100</span> } else {<a name="line.100"></a> +<span class="sourceLineNo">101</span> hint = sortedPrefixes.higher(largestPrefixSmallerThanQualifier);<a name="line.101"></a> +<span class="sourceLineNo">102</span> return ReturnCode.SEEK_NEXT_USING_HINT;<a name="line.102"></a> +<span class="sourceLineNo">103</span> }<a name="line.103"></a> +<span class="sourceLineNo">104</span> } else {<a name="line.104"></a> +<span class="sourceLineNo">105</span> hint = sortedPrefixes.first();<a name="line.105"></a> +<span class="sourceLineNo">106</span> return ReturnCode.SEEK_NEXT_USING_HINT;<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> public static Filter createFilterFromArguments(ArrayList<byte []> filterArguments) {<a name="line.110"></a> +<span class="sourceLineNo">111</span> byte [][] prefixes = new byte [filterArguments.size()][];<a name="line.111"></a> +<span class="sourceLineNo">112</span> for (int i = 0 ; i < filterArguments.size(); i++) {<a name="line.112"></a> +<span class="sourceLineNo">113</span> byte [] columnPrefix = ParseFilter.removeQuotesFromByteArray(filterArguments.get(i));<a name="line.113"></a> +<span class="sourceLineNo">114</span> prefixes[i] = columnPrefix;<a name="line.114"></a> +<span class="sourceLineNo">115</span> }<a name="line.115"></a> +<span class="sourceLineNo">116</span> return new MultipleColumnPrefixFilter(prefixes);<a name="line.116"></a> +<span class="sourceLineNo">117</span> }<a name="line.117"></a> +<span class="sourceLineNo">118</span><a name="line.118"></a> +<span class="sourceLineNo">119</span> /**<a name="line.119"></a> +<span class="sourceLineNo">120</span> * @return The filter serialized using pb<a name="line.120"></a> +<span class="sourceLineNo">121</span> */<a name="line.121"></a> +<span class="sourceLineNo">122</span> @Override<a name="line.122"></a> +<span class="sourceLineNo">123</span> public byte [] toByteArray() {<a name="line.123"></a> +<span class="sourceLineNo">124</span> FilterProtos.MultipleColumnPrefixFilter.Builder builder =<a name="line.124"></a> +<span class="sourceLineNo">125</span> FilterProtos.MultipleColumnPrefixFilter.newBuilder();<a name="line.125"></a> +<span class="sourceLineNo">126</span> for (byte [] element : sortedPrefixes) {<a name="line.126"></a> +<span class="sourceLineNo">127</span> if (element != null) builder.addSortedPrefixes(UnsafeByteOperations.unsafeWrap(element));<a name="line.127"></a> +<span class="sourceLineNo">128</span> }<a name="line.128"></a> +<span class="sourceLineNo">129</span> return builder.build().toByteArray();<a name="line.129"></a> +<span class="sourceLineNo">130</span> }<a name="line.130"></a> +<span class="sourceLineNo">131</span><a name="line.131"></a> +<span class="sourceLineNo">132</span> /**<a name="line.132"></a> +<span class="sourceLineNo">133</span> * @param pbBytes A pb serialized {@link MultipleColumnPrefixFilter} instance<a name="line.133"></a> +<span class="sourceLineNo">134</span> * @return An instance of {@link MultipleColumnPrefixFilter} made from <code>bytes</code><a name="line.134"></a> +<span class="sourceLineNo">135</span> * @throws DeserializationException<a name="line.135"></a> +<span class="sourceLineNo">136</span> * @see #toByteArray<a name="line.136"></a> +<span class="sourceLineNo">137</span> */<a name="line.137"></a> +<span class="sourceLineNo">138</span> public static MultipleColumnPrefixFilter parseFrom(final byte [] pbBytes)<a name="line.138"></a> +<span class="sourceLineNo">139</span> throws DeserializationException {<a name="line.139"></a> +<span class="sourceLineNo">140</span> FilterProtos.MultipleColumnPrefixFilter proto;<a name="line.140"></a> +<span class="sourceLineNo">141</span> try {<a name="line.141"></a> +<span class="sourceLineNo">142</span> proto = FilterProtos.MultipleColumnPrefixFilter.parseFrom(pbBytes);<a name="line.142"></a> +<span class="sourceLineNo">143</span> } catch (InvalidProtocolBufferException e) {<a name="line.143"></a> +<span class="sourceLineNo">144</span> throw new DeserializationException(e);<a name="line.144"></a> +<span class="sourceLineNo">145</span> }<a name="line.145"></a> +<span class="sourceLineNo">146</span> int numPrefixes = proto.getSortedPrefixesCount();<a name="line.146"></a> +<span class="sourceLineNo">147</span> byte [][] prefixes = new byte[numPrefixes][];<a name="line.147"></a> +<span class="sourceLineNo">148</span> for (int i = 0; i < numPrefixes; ++i) {<a name="line.148"></a> +<span class="sourceLineNo">149</span> prefixes[i] = proto.getSortedPrefixes(i).toByteArray();<a name="line.149"></a> +<span class="sourceLineNo">150</span> }<a name="line.150"></a> +<span class="sourceLineNo">151</span><a name="line.151"></a> +<span class="sourceLineNo">152</span> return new MultipleColumnPrefixFilter(prefixes);<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> /**<a name="line.155"></a> +<span class="sourceLineNo">156</span> * @param o the other filter to compare with<a name="line.156"></a> +<span class="sourceLineNo">157</span> * @return true if and only if the fields of the filter that are serialized<a name="line.157"></a> +<span class="sourceLineNo">158</span> * are equal to the corresponding fields in other. Used for testing.<a name="line.158"></a> +<span class="sourceLineNo">159</span> */<a name="line.159"></a> +<span class="sourceLineNo">160</span> @Override<a name="line.160"></a> +<span class="sourceLineNo">161</span> boolean areSerializedFieldsEqual(Filter o) {<a name="line.161"></a> +<span class="sourceLineNo">162</span> if (o == this) return true;<a name="line.162"></a> +<span class="sourceLineNo">163</span> if (!(o instanceof MultipleColumnPrefixFilter)) return false;<a name="line.163"></a> +<span class="sourceLineNo">164</span><a name="line.164"></a> +<span class="sourceLineNo">165</span> MultipleColumnPrefixFilter other = (MultipleColumnPrefixFilter)o;<a name="line.165"></a> +<span class="sourceLineNo">166</span> return this.sortedPrefixes.equals(other.sortedPrefixes);<a name="line.166"></a> +<span class="sourceLineNo">167</span> }<a name="line.167"></a> +<span class="sourceLineNo">168</span><a name="line.168"></a> +<span class="sourceLineNo">169</span> @Override<a name="line.169"></a> +<span class="sourceLineNo">170</span> public Cell getNextCellHint(Cell cell) {<a name="line.170"></a> +<span class="sourceLineNo">171</span> return PrivateCellUtil.createFirstOnRowCol(cell, hint, 0, hint.length);<a name="line.171"></a> +<span class="sourceLineNo">172</span> }<a name="line.172"></a> +<span class="sourceLineNo">173</span><a name="line.173"></a> +<span class="sourceLineNo">174</span> public TreeSet<byte []> createTreeSet() {<a name="line.174"></a> +<span class="sourceLineNo">175</span> return new TreeSet<>(new Comparator<Object>() {<a name="line.175"></a> +<span class="sourceLineNo">176</span> @Override<a name="line.176"></a> +<span class="sourceLineNo">177</span> public int compare (Object o1, Object o2) {<a name="line.177"></a> +<span class="sourceLineNo">178</span> if (o1 == null || o2 == null)<a name="line.178"></a> +<span class="sourceLineNo">179</span> throw new IllegalArgumentException ("prefixes can't be null");<a name="line.179"></a> +<span class="sourceLineNo">180</span><a name="line.180"></a> +<span class="sourceLineNo">181</span> byte [] b1 = (byte []) o1;<a name="line.181"></a> +<span class="sourceLineNo">182</span> byte [] b2 = (byte []) o2;<a name="line.182"></a> +<span class="sourceLineNo">183</span> return Bytes.compareTo (b1, 0, b1.length, b2, 0, b2.length);<a name="line.183"></a> +<span class="sourceLineNo">184</span> }<a name="line.184"></a> +<span class="sourceLineNo">185</span> });<a name="line.185"></a> +<span class="sourceLineNo">186</span> }<a name="line.186"></a> +<span class="sourceLineNo">187</span><a name="line.187"></a> +<span class="sourceLineNo">188</span> @Override<a name="line.188"></a> +<span class="sourceLineNo">189</span> public String toString() {<a name="line.189"></a> +<span class="sourceLineNo">190</span> return toString(MAX_LOG_PREFIXES);<a name="line.190"></a> +<span class="sourceLineNo">191</span> }<a name="line.191"></a> +<span class="sourceLineNo">192</span><a name="line.192"></a> +<span class="sourceLineNo">193</span> protected String toString(int maxPrefixes) {<a name="line.193"></a> +<span class="sourceLineNo">194</span> StringBuilder prefixes = new StringBuilder();<a name="line.194"></a> +<span class="sourceLineNo">195</span><a name="line.195"></a> +<span class="sourceLineNo">196</span> int count = 0;<a name="line.196"></a> +<span class="sourceLineNo">197</span> for (byte[] ba : this.sortedPrefixes) {<a name="line.197"></a> +<span class="sourceLineNo">198</span> if (count >= maxPrefixes) {<a name="line.198"></a> +<span class="sourceLineNo">199</span> break;<a name="line.199"></a> +<span class="sourceLineNo">200</span> }<a name="line.200"></a> +<span class="sourceLineNo">201</span> ++count;<a name="line.201"></a> +<span class="sourceLineNo">202</span> prefixes.append(Bytes.toStringBinary(ba));<a name="line.202"></a> +<span class="sourceLineNo">203</span> if (count < this.sortedPrefixes.size() && count < maxPrefixes) {<a name="line.203"></a> +<span class="sourceLineNo">204</span> prefixes.append(", ");<a name="line.204"></a> +<span class="sourceLineNo">205</span> }<a name="line.205"></a> +<span class="sourceLineNo">206</span> }<a name="line.206"></a> +<span class="sourceLineNo">207</span><a name="line.207"></a> +<span class="sourceLineNo">208</span> return String.format("%s (%d/%d): [%s]", this.getClass().getSimpleName(),<a name="line.208"></a> +<span class="sourceLineNo">209</span> count, this.sortedPrefixes.size(), prefixes.toString());<a name="line.209"></a> +<span class="sourceLineNo">210</span> }<a name="line.210"></a> +<span class="sourceLineNo">211</span><a name="line.211"></a> +<span class="sourceLineNo">212</span> @Override<a name="line.212"></a> +<span class="sourceLineNo">213</span> public boolean equals(Object obj) {<a name="line.213"></a> +<span class="sourceLineNo">214</span> return obj instanceof Filter && areSerializedFieldsEqual((Filter) obj);<a name="line.214"></a> +<span class="sourceLineNo">215</span> }<a name="line.215"></a> +<span class="sourceLineNo">216</span><a name="line.216"></a> +<span class="sourceLineNo">217</span> @Override<a name="line.217"></a> +<span class="sourceLineNo">218</span> public int hashCode() {<a name="line.218"></a> +<span class="sourceLineNo">219</span> return Objects.hash(this.sortedPrefixes);<a name="line.219"></a> <span class="sourceLineNo">220</span> }<a name="line.220"></a> -<span class="sourceLineNo">221</span><a name="line.221"></a> -<span class="sourceLineNo">222</span> @Override<a name="line.222"></a> -<span class="sourceLineNo">223</span> public int hashCode() {<a name="line.223"></a> -<span class="sourceLineNo">224</span> return Objects.hash(Arrays.hashCode(this.sortedPrefixes.toArray()));<a name="line.224"></a> -<span class="sourceLineNo">225</span> }<a name="line.225"></a> -<span class="sourceLineNo">226</span>}<a name="line.226"></a> +<span class="sourceLineNo">221</span>}<a name="line.221"></a>
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/293abb17/devapidocs/src-html/org/apache/hadoop/hbase/filter/PageFilter.html ---------------------------------------------------------------------- diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/filter/PageFilter.html b/devapidocs/src-html/org/apache/hadoop/hbase/filter/PageFilter.html index 746a5a9..413a831 100644 --- a/devapidocs/src-html/org/apache/hadoop/hbase/filter/PageFilter.html +++ b/devapidocs/src-html/org/apache/hadoop/hbase/filter/PageFilter.html @@ -162,18 +162,14 @@ <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 boolean equals(Object obj) {<a name="line.156"></a> -<span class="sourceLineNo">157</span> if (obj == null || (!(obj instanceof PageFilter))) {<a name="line.157"></a> -<span class="sourceLineNo">158</span> return false;<a name="line.158"></a> -<span class="sourceLineNo">159</span> }<a name="line.159"></a> -<span class="sourceLineNo">160</span> PageFilter f = (PageFilter) obj;<a name="line.160"></a> -<span class="sourceLineNo">161</span> return this.areSerializedFieldsEqual(f);<a name="line.161"></a> -<span class="sourceLineNo">162</span> }<a name="line.162"></a> -<span class="sourceLineNo">163</span><a name="line.163"></a> -<span class="sourceLineNo">164</span> @Override<a name="line.164"></a> -<span class="sourceLineNo">165</span> public int hashCode() {<a name="line.165"></a> -<span class="sourceLineNo">166</span> return Objects.hash(this.pageSize);<a name="line.166"></a> -<span class="sourceLineNo">167</span> }<a name="line.167"></a> -<span class="sourceLineNo">168</span>}<a name="line.168"></a> +<span class="sourceLineNo">157</span> return obj instanceof Filter && areSerializedFieldsEqual((Filter) obj);<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">160</span> @Override<a name="line.160"></a> +<span class="sourceLineNo">161</span> public int hashCode() {<a name="line.161"></a> +<span class="sourceLineNo">162</span> return Objects.hash(this.pageSize);<a name="line.162"></a> +<span class="sourceLineNo">163</span> }<a name="line.163"></a> +<span class="sourceLineNo">164</span>}<a name="line.164"></a> http://git-wip-us.apache.org/repos/asf/hbase-site/blob/293abb17/devapidocs/src-html/org/apache/hadoop/hbase/filter/PrefixFilter.html ---------------------------------------------------------------------- diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/filter/PrefixFilter.html b/devapidocs/src-html/org/apache/hadoop/hbase/filter/PrefixFilter.html index 2553d09..5b02c78 100644 --- a/devapidocs/src-html/org/apache/hadoop/hbase/filter/PrefixFilter.html +++ b/devapidocs/src-html/org/apache/hadoop/hbase/filter/PrefixFilter.html @@ -28,158 +28,153 @@ <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>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">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">160</span> @Override<a name="line.160"></a> +<span class="sourceLineNo">161</span> public boolean equals(Object obj) {<a name="line.161"></a> +<span class="sourceLineNo">162</span> return obj instanceof Filter && areSerializedFieldsEqual((Filter) obj);<a name="line.162"></a> +<span class="sourceLineNo">163</span> }<a name="line.163"></a> +<span class="sourceLineNo">164</span><a name="line.164"></a> +<span class="sourceLineNo">165</span> @Override<a name="line.165"></a> +<span class="sourceLineNo">166</span> public int hashCode() {<a name="line.166"></a> +<span class="sourceLineNo">167</span> return Bytes.hashCode(this.getPrefix());<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> +<span class="sourceLineNo">169</span>}<a name="line.169"></a>