http://git-wip-us.apache.org/repos/asf/hbase-site/blob/044b3379/apidocs/src-html/org/apache/hadoop/hbase/exceptions/ScannerResetException.html ---------------------------------------------------------------------- diff --git a/apidocs/src-html/org/apache/hadoop/hbase/exceptions/ScannerResetException.html b/apidocs/src-html/org/apache/hadoop/hbase/exceptions/ScannerResetException.html new file mode 100644 index 0000000..04cc6bc --- /dev/null +++ b/apidocs/src-html/org/apache/hadoop/hbase/exceptions/ScannerResetException.html @@ -0,0 +1,122 @@ +<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd";> +<html lang="en"> +<head> +<title>Source code</title> +<link rel="stylesheet" type="text/css" href="../../../../../../stylesheet.css" title="Style"> +</head> +<body> +<div class="sourceContainer"> +<pre><span class="sourceLineNo">001</span>/**<a name="line.1"></a> +<span class="sourceLineNo">002</span> * Licensed to the Apache Software Foundation (ASF) under one<a name="line.2"></a> +<span class="sourceLineNo">003</span> * or more contributor license agreements. See the NOTICE file<a name="line.3"></a> +<span class="sourceLineNo">004</span> * distributed with this work for additional information<a name="line.4"></a> +<span class="sourceLineNo">005</span> * regarding copyright ownership. The ASF licenses this file<a name="line.5"></a> +<span class="sourceLineNo">006</span> * to you under the Apache License, Version 2.0 (the<a name="line.6"></a> +<span class="sourceLineNo">007</span> * "License"); you may not use this file except in compliance<a name="line.7"></a> +<span class="sourceLineNo">008</span> * with the License. You may obtain a copy of the License at<a name="line.8"></a> +<span class="sourceLineNo">009</span> *<a name="line.9"></a> +<span class="sourceLineNo">010</span> * http://www.apache.org/licenses/LICENSE-2.0<a name="line.10"></a> +<span class="sourceLineNo">011</span> *<a name="line.11"></a> +<span class="sourceLineNo">012</span> * Unless required by applicable law or agreed to in writing, software<a name="line.12"></a> +<span class="sourceLineNo">013</span> * distributed under the License is distributed on an "AS IS" BASIS,<a name="line.13"></a> +<span class="sourceLineNo">014</span> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.14"></a> +<span class="sourceLineNo">015</span> * See the License for the specific language governing permissions and<a name="line.15"></a> +<span class="sourceLineNo">016</span> * limitations under the License.<a name="line.16"></a> +<span class="sourceLineNo">017</span> */<a name="line.17"></a> +<span class="sourceLineNo">018</span><a name="line.18"></a> +<span class="sourceLineNo">019</span>package org.apache.hadoop.hbase.exceptions;<a name="line.19"></a> +<span class="sourceLineNo">020</span><a name="line.20"></a> +<span class="sourceLineNo">021</span>import org.apache.hadoop.hbase.DoNotRetryIOException;<a name="line.21"></a> +<span class="sourceLineNo">022</span>import org.apache.hadoop.hbase.classification.InterfaceAudience;<a name="line.22"></a> +<span class="sourceLineNo">023</span>import org.apache.hadoop.hbase.classification.InterfaceStability;<a name="line.23"></a> +<span class="sourceLineNo">024</span><a name="line.24"></a> +<span class="sourceLineNo">025</span>/**<a name="line.25"></a> +<span class="sourceLineNo">026</span> * Thrown when the server side has received an Exception, and asks the Client to reset the scanner<a name="line.26"></a> +<span class="sourceLineNo">027</span> * state by closing the current region scanner, and reopening from the start of last seen row.<a name="line.27"></a> +<span class="sourceLineNo">028</span> */<a name="line.28"></a> +<span class="sourceLineNo">029</span>@InterfaceAudience.Public<a name="line.29"></a> +<span class="sourceLineNo">030</span>@InterfaceStability.Stable<a name="line.30"></a> +<span class="sourceLineNo">031</span>public class ScannerResetException extends DoNotRetryIOException {<a name="line.31"></a> +<span class="sourceLineNo">032</span> private static final long serialVersionUID = -5649728171144849619L;<a name="line.32"></a> +<span class="sourceLineNo">033</span><a name="line.33"></a> +<span class="sourceLineNo">034</span> /** constructor */<a name="line.34"></a> +<span class="sourceLineNo">035</span> public ScannerResetException() {<a name="line.35"></a> +<span class="sourceLineNo">036</span> super();<a name="line.36"></a> +<span class="sourceLineNo">037</span> }<a name="line.37"></a> +<span class="sourceLineNo">038</span><a name="line.38"></a> +<span class="sourceLineNo">039</span> /**<a name="line.39"></a> +<span class="sourceLineNo">040</span> * Constructor<a name="line.40"></a> +<span class="sourceLineNo">041</span> * @param s message<a name="line.41"></a> +<span class="sourceLineNo">042</span> */<a name="line.42"></a> +<span class="sourceLineNo">043</span> public ScannerResetException(String s) {<a name="line.43"></a> +<span class="sourceLineNo">044</span> super(s);<a name="line.44"></a> +<span class="sourceLineNo">045</span> }<a name="line.45"></a> +<span class="sourceLineNo">046</span><a name="line.46"></a> +<span class="sourceLineNo">047</span> public ScannerResetException(String s, Exception e) {<a name="line.47"></a> +<span class="sourceLineNo">048</span> super(s, e);<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> + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +</pre> +</div> +</body> +</html>
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/044b3379/apidocs/src-html/org/apache/hadoop/hbase/filter/FuzzyRowFilter.html ---------------------------------------------------------------------- diff --git a/apidocs/src-html/org/apache/hadoop/hbase/filter/FuzzyRowFilter.html b/apidocs/src-html/org/apache/hadoop/hbase/filter/FuzzyRowFilter.html index 5d13aba..d416cfa 100644 --- a/apidocs/src-html/org/apache/hadoop/hbase/filter/FuzzyRowFilter.html +++ b/apidocs/src-html/org/apache/hadoop/hbase/filter/FuzzyRowFilter.html @@ -33,7 +33,7 @@ <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.CellComparator;<a name="line.27"></a> -<span class="sourceLineNo">028</span>import org.apache.hadoop.hbase.KeyValueUtil;<a name="line.28"></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.classification.InterfaceAudience;<a name="line.29"></a> <span class="sourceLineNo">030</span>import org.apache.hadoop.hbase.classification.InterfaceStability;<a name="line.30"></a> <span class="sourceLineNo">031</span>import org.apache.hadoop.hbase.exceptions.DeserializationException;<a name="line.31"></a> @@ -183,7 +183,7 @@ <span class="sourceLineNo">175</span> return null;<a name="line.175"></a> <span class="sourceLineNo">176</span> }<a name="line.176"></a> <span class="sourceLineNo">177</span> byte[] nextRowKey = tracker.nextRow();<a name="line.177"></a> -<span class="sourceLineNo">178</span> return KeyValueUtil.createFirstOnRow(nextRowKey);<a name="line.178"></a> +<span class="sourceLineNo">178</span> return CellUtil.createFirstOnRow(nextRowKey, 0, (short) nextRowKey.length);<a name="line.178"></a> <span class="sourceLineNo">179</span> }<a name="line.179"></a> <span class="sourceLineNo">180</span><a name="line.180"></a> <span class="sourceLineNo">181</span> /**<a name="line.181"></a> http://git-wip-us.apache.org/repos/asf/hbase-site/blob/044b3379/apidocs/src-html/org/apache/hadoop/hbase/filter/KeyOnlyFilter.html ---------------------------------------------------------------------- diff --git a/apidocs/src-html/org/apache/hadoop/hbase/filter/KeyOnlyFilter.html b/apidocs/src-html/org/apache/hadoop/hbase/filter/KeyOnlyFilter.html index 5dfe4d3..24a0d22 100644 --- a/apidocs/src-html/org/apache/hadoop/hbase/filter/KeyOnlyFilter.html +++ b/apidocs/src-html/org/apache/hadoop/hbase/filter/KeyOnlyFilter.html @@ -28,117 +28,381 @@ <span class="sourceLineNo">020</span><a name="line.20"></a> <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.KeyValue;<a name="line.26"></a> -<span class="sourceLineNo">027</span>import org.apache.hadoop.hbase.KeyValueUtil;<a name="line.27"></a> -<span class="sourceLineNo">028</span>import org.apache.hadoop.hbase.classification.InterfaceAudience;<a name="line.28"></a> -<span class="sourceLineNo">029</span>import org.apache.hadoop.hbase.classification.InterfaceStability;<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.hadoop.hbase.protobuf.generated.FilterProtos;<a name="line.31"></a> -<span class="sourceLineNo">032</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.32"></a> -<span class="sourceLineNo">033</span><a name="line.33"></a> -<span class="sourceLineNo">034</span>import com.google.common.base.Preconditions;<a name="line.34"></a> -<span class="sourceLineNo">035</span>import com.google.protobuf.InvalidProtocolBufferException;<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> * A filter that will only return the key component of each KV (the value will<a name="line.38"></a> -<span class="sourceLineNo">039</span> * be rewritten as empty).<a name="line.39"></a> -<span class="sourceLineNo">040</span> * <p><a name="line.40"></a> -<span class="sourceLineNo">041</span> * This filter can be used to grab all of the keys without having to also grab<a name="line.41"></a> -<span class="sourceLineNo">042</span> * the values.<a name="line.42"></a> -<span class="sourceLineNo">043</span> */<a name="line.43"></a> -<span class="sourceLineNo">044</span>@InterfaceAudience.Public<a name="line.44"></a> -<span class="sourceLineNo">045</span>@InterfaceStability.Stable<a name="line.45"></a> -<span class="sourceLineNo">046</span>public class KeyOnlyFilter extends FilterBase {<a name="line.46"></a> -<span class="sourceLineNo">047</span><a name="line.47"></a> -<span class="sourceLineNo">048</span> boolean lenAsVal;<a name="line.48"></a> -<span class="sourceLineNo">049</span> public KeyOnlyFilter() { this(false); }<a name="line.49"></a> -<span class="sourceLineNo">050</span> public KeyOnlyFilter(boolean lenAsVal) { this.lenAsVal = lenAsVal; }<a name="line.50"></a> -<span class="sourceLineNo">051</span><a name="line.51"></a> -<span class="sourceLineNo">052</span> @Override<a name="line.52"></a> -<span class="sourceLineNo">053</span> public boolean filterRowKey(Cell cell) throws IOException {<a name="line.53"></a> -<span class="sourceLineNo">054</span> // Impl in FilterBase might do unnecessary copy for Off heap backed Cells.<a name="line.54"></a> -<span class="sourceLineNo">055</span> return false;<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> @Override<a name="line.58"></a> -<span class="sourceLineNo">059</span> public Cell transformCell(Cell cell) {<a name="line.59"></a> -<span class="sourceLineNo">060</span> return createKeyOnlyCell(cell);<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> private Cell createKeyOnlyCell(Cell c) {<a name="line.63"></a> -<span class="sourceLineNo">064</span> // KV format: <keylen:4><valuelen:4><key:keylen><value:valuelen><a name="line.64"></a> -<span class="sourceLineNo">065</span> // Rebuild as: <keylen:4><0:4><key:keylen><a name="line.65"></a> -<span class="sourceLineNo">066</span> int dataLen = lenAsVal ? Bytes.SIZEOF_INT : 0;<a name="line.66"></a> -<span class="sourceLineNo">067</span> int keyOffset = (2 * Bytes.SIZEOF_INT);<a name="line.67"></a> -<span class="sourceLineNo">068</span> int keyLen = KeyValueUtil.keyLength(c);<a name="line.68"></a> -<span class="sourceLineNo">069</span> byte[] newBuffer = new byte[keyLen + keyOffset + dataLen];<a name="line.69"></a> -<span class="sourceLineNo">070</span> Bytes.putInt(newBuffer, 0, keyLen);<a name="line.70"></a> -<span class="sourceLineNo">071</span> Bytes.putInt(newBuffer, Bytes.SIZEOF_INT, dataLen);<a name="line.71"></a> -<span class="sourceLineNo">072</span> KeyValueUtil.appendKeyTo(c, newBuffer, keyOffset);<a name="line.72"></a> -<span class="sourceLineNo">073</span> if (lenAsVal) {<a name="line.73"></a> -<span class="sourceLineNo">074</span> Bytes.putInt(newBuffer, newBuffer.length - dataLen, c.getValueLength());<a name="line.74"></a> -<span class="sourceLineNo">075</span> }<a name="line.75"></a> -<span class="sourceLineNo">076</span> return new KeyValue(newBuffer);<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 filterKeyValue(Cell ignored) throws IOException {<a name="line.80"></a> -<span class="sourceLineNo">081</span> return ReturnCode.INCLUDE;<a name="line.81"></a> -<span class="sourceLineNo">082</span> }<a name="line.82"></a> -<span class="sourceLineNo">083</span> <a name="line.83"></a> -<span class="sourceLineNo">084</span> public static Filter createFilterFromArguments(ArrayList<byte []> filterArguments) {<a name="line.84"></a> -<span class="sourceLineNo">085</span> Preconditions.checkArgument((filterArguments.size() == 0 || filterArguments.size() == 1),<a name="line.85"></a> -<span class="sourceLineNo">086</span> "Expected: 0 or 1 but got: %s", filterArguments.size());<a name="line.86"></a> -<span class="sourceLineNo">087</span> KeyOnlyFilter filter = new KeyOnlyFilter();<a name="line.87"></a> -<span class="sourceLineNo">088</span> if (filterArguments.size() == 1) {<a name="line.88"></a> -<span class="sourceLineNo">089</span> filter.lenAsVal = ParseFilter.convertByteArrayToBoolean(filterArguments.get(0));<a name="line.89"></a> -<span class="sourceLineNo">090</span> }<a name="line.90"></a> -<span class="sourceLineNo">091</span> return filter;<a name="line.91"></a> -<span class="sourceLineNo">092</span> }<a name="line.92"></a> -<span class="sourceLineNo">093</span><a name="line.93"></a> -<span class="sourceLineNo">094</span> /**<a name="line.94"></a> -<span class="sourceLineNo">095</span> * @return The filter serialized using pb<a name="line.95"></a> -<span class="sourceLineNo">096</span> */<a name="line.96"></a> -<span class="sourceLineNo">097</span> public byte [] toByteArray() {<a name="line.97"></a> -<span class="sourceLineNo">098</span> FilterProtos.KeyOnlyFilter.Builder builder =<a name="line.98"></a> -<span class="sourceLineNo">099</span> FilterProtos.KeyOnlyFilter.newBuilder();<a name="line.99"></a> -<span class="sourceLineNo">100</span> builder.setLenAsVal(this.lenAsVal);<a name="line.100"></a> -<span class="sourceLineNo">101</span> return builder.build().toByteArray();<a name="line.101"></a> -<span class="sourceLineNo">102</span> }<a name="line.102"></a> -<span class="sourceLineNo">103</span><a name="line.103"></a> -<span class="sourceLineNo">104</span> /**<a name="line.104"></a> -<span class="sourceLineNo">105</span> * @param pbBytes A pb serialized {@link KeyOnlyFilter} instance<a name="line.105"></a> -<span class="sourceLineNo">106</span> * @return An instance of {@link KeyOnlyFilter} made from <code>bytes</code><a name="line.106"></a> -<span class="sourceLineNo">107</span> * @throws DeserializationException<a name="line.107"></a> -<span class="sourceLineNo">108</span> * @see #toByteArray<a name="line.108"></a> -<span class="sourceLineNo">109</span> */<a name="line.109"></a> -<span class="sourceLineNo">110</span> public static KeyOnlyFilter parseFrom(final byte [] pbBytes)<a name="line.110"></a> -<span class="sourceLineNo">111</span> throws DeserializationException {<a name="line.111"></a> -<span class="sourceLineNo">112</span> FilterProtos.KeyOnlyFilter proto;<a name="line.112"></a> -<span class="sourceLineNo">113</span> try {<a name="line.113"></a> -<span class="sourceLineNo">114</span> proto = FilterProtos.KeyOnlyFilter.parseFrom(pbBytes);<a name="line.114"></a> -<span class="sourceLineNo">115</span> } catch (InvalidProtocolBufferException e) {<a name="line.115"></a> -<span class="sourceLineNo">116</span> throw new DeserializationException(e);<a name="line.116"></a> -<span class="sourceLineNo">117</span> }<a name="line.117"></a> -<span class="sourceLineNo">118</span> return new KeyOnlyFilter(proto.getLenAsVal());<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> /**<a name="line.121"></a> -<span class="sourceLineNo">122</span> * @param other<a name="line.122"></a> -<span class="sourceLineNo">123</span> * @return true if and only if the fields of the filter that are serialized<a name="line.123"></a> -<span class="sourceLineNo">124</span> * are equal to the corresponding fields in other. Used for testing.<a name="line.124"></a> -<span class="sourceLineNo">125</span> */<a name="line.125"></a> -<span class="sourceLineNo">126</span> boolean areSerializedFieldsEqual(Filter o) {<a name="line.126"></a> -<span class="sourceLineNo">127</span> if (o == this) return true;<a name="line.127"></a> -<span class="sourceLineNo">128</span> if (!(o instanceof KeyOnlyFilter)) return false;<a name="line.128"></a> -<span class="sourceLineNo">129</span><a name="line.129"></a> -<span class="sourceLineNo">130</span> KeyOnlyFilter other = (KeyOnlyFilter)o;<a name="line.130"></a> -<span class="sourceLineNo">131</span> return this.lenAsVal == other.lenAsVal;<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">023</span>import java.nio.ByteBuffer;<a name="line.23"></a> +<span class="sourceLineNo">024</span>import java.util.ArrayList;<a name="line.24"></a> +<span class="sourceLineNo">025</span><a name="line.25"></a> +<span class="sourceLineNo">026</span>import org.apache.hadoop.hbase.ByteBufferedCell;<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.HConstants;<a name="line.28"></a> +<span class="sourceLineNo">029</span>import org.apache.hadoop.hbase.classification.InterfaceAudience;<a name="line.29"></a> +<span class="sourceLineNo">030</span>import org.apache.hadoop.hbase.classification.InterfaceStability;<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.hadoop.hbase.protobuf.generated.FilterProtos;<a name="line.32"></a> +<span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.33"></a> +<span class="sourceLineNo">034</span><a name="line.34"></a> +<span class="sourceLineNo">035</span>import com.google.common.base.Preconditions;<a name="line.35"></a> +<span class="sourceLineNo">036</span>import com.google.protobuf.InvalidProtocolBufferException;<a name="line.36"></a> +<span class="sourceLineNo">037</span><a name="line.37"></a> +<span class="sourceLineNo">038</span>/**<a name="line.38"></a> +<span class="sourceLineNo">039</span> * A filter that will only return the key component of each KV (the value will<a name="line.39"></a> +<span class="sourceLineNo">040</span> * be rewritten as empty).<a name="line.40"></a> +<span class="sourceLineNo">041</span> * <p><a name="line.41"></a> +<span class="sourceLineNo">042</span> * This filter can be used to grab all of the keys without having to also grab<a name="line.42"></a> +<span class="sourceLineNo">043</span> * the values.<a name="line.43"></a> +<span class="sourceLineNo">044</span> */<a name="line.44"></a> +<span class="sourceLineNo">045</span>@InterfaceAudience.Public<a name="line.45"></a> +<span class="sourceLineNo">046</span>@InterfaceStability.Stable<a name="line.46"></a> +<span class="sourceLineNo">047</span>public class KeyOnlyFilter extends FilterBase {<a name="line.47"></a> +<span class="sourceLineNo">048</span><a name="line.48"></a> +<span class="sourceLineNo">049</span> boolean lenAsVal;<a name="line.49"></a> +<span class="sourceLineNo">050</span> public KeyOnlyFilter() { this(false); }<a name="line.50"></a> +<span class="sourceLineNo">051</span> public KeyOnlyFilter(boolean lenAsVal) { this.lenAsVal = lenAsVal; }<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 cell) throws IOException {<a name="line.54"></a> +<span class="sourceLineNo">055</span> // Impl in FilterBase might do unnecessary copy for Off heap backed Cells.<a name="line.55"></a> +<span class="sourceLineNo">056</span> return false;<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> @Override<a name="line.59"></a> +<span class="sourceLineNo">060</span> public Cell transformCell(Cell cell) {<a name="line.60"></a> +<span class="sourceLineNo">061</span> return createKeyOnlyCell(cell);<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> private Cell createKeyOnlyCell(Cell c) {<a name="line.64"></a> +<span class="sourceLineNo">065</span> if (c instanceof ByteBufferedCell) {<a name="line.65"></a> +<span class="sourceLineNo">066</span> return new KeyOnlyByteBufferedCell((ByteBufferedCell) c, lenAsVal);<a name="line.66"></a> +<span class="sourceLineNo">067</span> } else {<a name="line.67"></a> +<span class="sourceLineNo">068</span> return new KeyOnlyCell(c, lenAsVal);<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><a name="line.71"></a> +<span class="sourceLineNo">072</span> @Override<a name="line.72"></a> +<span class="sourceLineNo">073</span> public ReturnCode filterKeyValue(Cell ignored) throws IOException {<a name="line.73"></a> +<span class="sourceLineNo">074</span> return ReturnCode.INCLUDE;<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> public static Filter createFilterFromArguments(ArrayList<byte []> filterArguments) {<a name="line.77"></a> +<span class="sourceLineNo">078</span> Preconditions.checkArgument((filterArguments.size() == 0 || filterArguments.size() == 1),<a name="line.78"></a> +<span class="sourceLineNo">079</span> "Expected: 0 or 1 but got: %s", filterArguments.size());<a name="line.79"></a> +<span class="sourceLineNo">080</span> KeyOnlyFilter filter = new KeyOnlyFilter();<a name="line.80"></a> +<span class="sourceLineNo">081</span> if (filterArguments.size() == 1) {<a name="line.81"></a> +<span class="sourceLineNo">082</span> filter.lenAsVal = ParseFilter.convertByteArrayToBoolean(filterArguments.get(0));<a name="line.82"></a> +<span class="sourceLineNo">083</span> }<a name="line.83"></a> +<span class="sourceLineNo">084</span> return filter;<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> /**<a name="line.87"></a> +<span class="sourceLineNo">088</span> * @return The filter serialized using pb<a name="line.88"></a> +<span class="sourceLineNo">089</span> */<a name="line.89"></a> +<span class="sourceLineNo">090</span> public byte [] toByteArray() {<a name="line.90"></a> +<span class="sourceLineNo">091</span> FilterProtos.KeyOnlyFilter.Builder builder =<a name="line.91"></a> +<span class="sourceLineNo">092</span> FilterProtos.KeyOnlyFilter.newBuilder();<a name="line.92"></a> +<span class="sourceLineNo">093</span> builder.setLenAsVal(this.lenAsVal);<a name="line.93"></a> +<span class="sourceLineNo">094</span> return builder.build().toByteArray();<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> * @param pbBytes A pb serialized {@link KeyOnlyFilter} instance<a name="line.98"></a> +<span class="sourceLineNo">099</span> * @return An instance of {@link KeyOnlyFilter} made from <code>bytes</code><a name="line.99"></a> +<span class="sourceLineNo">100</span> * @throws 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class="sourceLineNo">111</span> return new KeyOnlyFilter(proto.getLenAsVal());<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> * @param other<a name="line.115"></a> +<span class="sourceLineNo">116</span> * @return true if and only if the fields of the filter that are serialized<a name="line.116"></a> +<span class="sourceLineNo">117</span> * are equal to the corresponding fields in other. Used for testing.<a name="line.117"></a> +<span class="sourceLineNo">118</span> */<a name="line.118"></a> +<span class="sourceLineNo">119</span> boolean areSerializedFieldsEqual(Filter o) {<a name="line.119"></a> +<span class="sourceLineNo">120</span> if (o == this) return true;<a name="line.120"></a> +<span class="sourceLineNo">121</span> if (!(o instanceof KeyOnlyFilter)) return false;<a name="line.121"></a> +<span class="sourceLineNo">122</span><a name="line.122"></a> +<span class="sourceLineNo">123</span> KeyOnlyFilter other = (KeyOnlyFilter)o;<a name="line.123"></a> +<span class="sourceLineNo">124</span> return this.lenAsVal == other.lenAsVal;<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> static class KeyOnlyCell implements Cell {<a name="line.127"></a> +<span class="sourceLineNo">128</span> private Cell cell;<a name="line.128"></a> +<span class="sourceLineNo">129</span> private boolean lenAsVal;<a name="line.129"></a> +<span class="sourceLineNo">130</span><a name="line.130"></a> +<span class="sourceLineNo">131</span> public KeyOnlyCell(Cell c, boolean lenAsVal) {<a name="line.131"></a> +<span class="sourceLineNo">132</span> this.cell = c;<a name="line.132"></a> +<span class="sourceLineNo">133</span> this.lenAsVal = lenAsVal;<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> @Override<a name="line.136"></a> +<span class="sourceLineNo">137</span> public byte[] getRowArray() {<a name="line.137"></a> +<span class="sourceLineNo">138</span> return cell.getRowArray();<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> @Override<a name="line.141"></a> +<span class="sourceLineNo">142</span> public int getRowOffset() {<a name="line.142"></a> +<span class="sourceLineNo">143</span> return cell.getRowOffset();<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> @Override<a name="line.146"></a> +<span class="sourceLineNo">147</span> public short getRowLength() {<a name="line.147"></a> +<span class="sourceLineNo">148</span> return cell.getRowLength();<a name="line.148"></a> +<span class="sourceLineNo">149</span> }<a name="line.149"></a> +<span class="sourceLineNo">150</span><a name="line.150"></a> +<span class="sourceLineNo">151</span> @Override<a name="line.151"></a> +<span class="sourceLineNo">152</span> public byte[] getFamilyArray() {<a name="line.152"></a> +<span class="sourceLineNo">153</span> return cell.getFamilyArray();<a name="line.153"></a> +<span class="sourceLineNo">154</span> }<a 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byte[] getTagsArray() {<a name="line.220"></a> +<span class="sourceLineNo">221</span> return HConstants.EMPTY_BYTE_ARRAY;<a name="line.221"></a> +<span class="sourceLineNo">222</span> }<a name="line.222"></a> +<span class="sourceLineNo">223</span><a name="line.223"></a> +<span class="sourceLineNo">224</span> @Override<a name="line.224"></a> +<span class="sourceLineNo">225</span> public int getTagsOffset() {<a name="line.225"></a> +<span class="sourceLineNo">226</span> return 0;<a name="line.226"></a> +<span class="sourceLineNo">227</span> }<a name="line.227"></a> +<span class="sourceLineNo">228</span><a name="line.228"></a> +<span class="sourceLineNo">229</span> @Override<a name="line.229"></a> +<span class="sourceLineNo">230</span> public int getTagsLength() {<a name="line.230"></a> +<span class="sourceLineNo">231</span> return 0;<a name="line.231"></a> +<span class="sourceLineNo">232</span> }<a name="line.232"></a> +<span class="sourceLineNo">233</span> }<a name="line.233"></a> 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name="line.245"></a> +<span class="sourceLineNo">246</span> return cell.getRowArray();<a name="line.246"></a> +<span class="sourceLineNo">247</span> }<a name="line.247"></a> +<span class="sourceLineNo">248</span><a name="line.248"></a> +<span class="sourceLineNo">249</span> @Override<a name="line.249"></a> +<span class="sourceLineNo">250</span> public int getRowOffset() {<a name="line.250"></a> +<span class="sourceLineNo">251</span> return cell.getRowOffset();<a name="line.251"></a> +<span class="sourceLineNo">252</span> }<a name="line.252"></a> +<span class="sourceLineNo">253</span><a name="line.253"></a> +<span class="sourceLineNo">254</span> @Override<a name="line.254"></a> +<span class="sourceLineNo">255</span> public short getRowLength() {<a name="line.255"></a> +<span class="sourceLineNo">256</span> return cell.getRowLength();<a name="line.256"></a> +<span class="sourceLineNo">257</span> }<a name="line.257"></a> +<span class="sourceLineNo">258</span><a name="line.258"></a> +<span class="sourceLineNo">259</span> @Override<a name="line.259"></a> +<span class="sourceLineNo">260</span> public byte[] getFamilyArray() {<a name="line.260"></a> +<span class="sourceLineNo">261</span> return cell.getFamilyArray();<a name="line.261"></a> +<span class="sourceLineNo">262</span> }<a name="line.262"></a> +<span class="sourceLineNo">263</span><a name="line.263"></a> +<span class="sourceLineNo">264</span> @Override<a name="line.264"></a> +<span class="sourceLineNo">265</span> public int getFamilyOffset() {<a name="line.265"></a> +<span class="sourceLineNo">266</span> return cell.getFamilyOffset();<a name="line.266"></a> +<span class="sourceLineNo">267</span> }<a name="line.267"></a> +<span class="sourceLineNo">268</span><a name="line.268"></a> +<span class="sourceLineNo">269</span> @Override<a name="line.269"></a> +<span class="sourceLineNo">270</span> public byte getFamilyLength() {<a name="line.270"></a> +<span class="sourceLineNo">271</span> return cell.getFamilyLength();<a 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+<span class="sourceLineNo">285</span> public int getQualifierLength() {<a name="line.285"></a> +<span class="sourceLineNo">286</span> return cell.getQualifierLength();<a name="line.286"></a> +<span class="sourceLineNo">287</span> }<a name="line.287"></a> +<span class="sourceLineNo">288</span><a name="line.288"></a> +<span class="sourceLineNo">289</span> @Override<a name="line.289"></a> +<span class="sourceLineNo">290</span> public long getTimestamp() {<a name="line.290"></a> +<span class="sourceLineNo">291</span> return cell.getTimestamp();<a name="line.291"></a> +<span class="sourceLineNo">292</span> }<a name="line.292"></a> +<span class="sourceLineNo">293</span><a name="line.293"></a> +<span class="sourceLineNo">294</span> @Override<a name="line.294"></a> +<span class="sourceLineNo">295</span> public byte getTypeByte() {<a name="line.295"></a> +<span class="sourceLineNo">296</span> return cell.getTypeByte();<a name="line.296"></a> +<span class="sourceLineNo">297</span> }<a 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name="line.387"></a> +<span class="sourceLineNo">388</span> return HConstants.EMPTY_BYTE_BUFFER;<a name="line.388"></a> +<span class="sourceLineNo">389</span> }<a name="line.389"></a> +<span class="sourceLineNo">390</span><a name="line.390"></a> +<span class="sourceLineNo">391</span> @Override<a name="line.391"></a> +<span class="sourceLineNo">392</span> public int getTagsPosition() {<a name="line.392"></a> +<span class="sourceLineNo">393</span> return 0;<a name="line.393"></a> +<span class="sourceLineNo">394</span> }<a name="line.394"></a> +<span class="sourceLineNo">395</span> }<a name="line.395"></a> +<span class="sourceLineNo">396</span><a name="line.396"></a> +<span class="sourceLineNo">397</span>}<a name="line.397"></a> http://git-wip-us.apache.org/repos/asf/hbase-site/blob/044b3379/apidocs/src-html/org/apache/hadoop/hbase/filter/LongComparator.html ---------------------------------------------------------------------- diff --git a/apidocs/src-html/org/apache/hadoop/hbase/filter/LongComparator.html b/apidocs/src-html/org/apache/hadoop/hbase/filter/LongComparator.html index bb5dd79..55d8c19 100644 --- a/apidocs/src-html/org/apache/hadoop/hbase/filter/LongComparator.html +++ b/apidocs/src-html/org/apache/hadoop/hbase/filter/LongComparator.html @@ -28,14 +28,14 @@ <span class="sourceLineNo">020</span><a name="line.20"></a> <span class="sourceLineNo">021</span>import java.nio.ByteBuffer;<a name="line.21"></a> <span class="sourceLineNo">022</span><a name="line.22"></a> -<span class="sourceLineNo">023</span>import com.google.protobuf.InvalidProtocolBufferException;<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.classification.InterfaceAudience;<a name="line.25"></a> -<span class="sourceLineNo">026</span>import org.apache.hadoop.hbase.classification.InterfaceStability;<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.protobuf.generated.ComparatorProtos;<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">023</span>import org.apache.hadoop.hbase.classification.InterfaceAudience;<a name="line.23"></a> +<span class="sourceLineNo">024</span>import org.apache.hadoop.hbase.classification.InterfaceStability;<a name="line.24"></a> +<span class="sourceLineNo">025</span>import org.apache.hadoop.hbase.exceptions.DeserializationException;<a name="line.25"></a> +<span class="sourceLineNo">026</span>import org.apache.hadoop.hbase.protobuf.generated.ComparatorProtos;<a name="line.26"></a> +<span class="sourceLineNo">027</span>import org.apache.hadoop.hbase.util.ByteBufferUtils;<a name="line.27"></a> +<span class="sourceLineNo">028</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.28"></a> +<span class="sourceLineNo">029</span><a name="line.29"></a> +<span class="sourceLineNo">030</span>import 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 long comparator which numerical compares against the specified byte array<a name="line.33"></a> @@ -43,24 +43,24 @@ <span class="sourceLineNo">035</span>@InterfaceAudience.Public<a name="line.35"></a> <span class="sourceLineNo">036</span>@InterfaceStability.Stable<a name="line.36"></a> <span class="sourceLineNo">037</span>public class LongComparator extends ByteArrayComparable {<a name="line.37"></a> -<span class="sourceLineNo">038</span> private Long longValue;<a name="line.38"></a> +<span class="sourceLineNo">038</span> private long longValue;<a name="line.38"></a> <span class="sourceLineNo">039</span><a name="line.39"></a> -<span class="sourceLineNo">040</span> public LongComparator(long value) {<a name="line.40"></a> -<span class="sourceLineNo">041</span> super(Bytes.toBytes(value));<a name="line.41"></a> -<span class="sourceLineNo">042</span> this.longValue = value;<a name="line.42"></a> -<span class="sourceLineNo">043</span> }<a name="line.43"></a> +<span class="sourceLineNo">040</span> public LongComparator(long value) {<a name="line.40"></a> +<span class="sourceLineNo">041</span> super(Bytes.toBytes(value));<a name="line.41"></a> +<span class="sourceLineNo">042</span> this.longValue = value;<a name="line.42"></a> +<span class="sourceLineNo">043</span> }<a name="line.43"></a> <span class="sourceLineNo">044</span><a name="line.44"></a> -<span class="sourceLineNo">045</span> @Override<a name="line.45"></a> -<span class="sourceLineNo">046</span> public int compareTo(byte[] value, int offset, int length) {<a name="line.46"></a> -<span class="sourceLineNo">047</span> Long that = Bytes.toLong(value, offset, length);<a name="line.47"></a> -<span class="sourceLineNo">048</span> return this.longValue.compareTo(that);<a name="line.48"></a> -<span class="sourceLineNo">049</span> }<a name="line.49"></a> +<span class="sourceLineNo">045</span> @Override<a name="line.45"></a> +<span class="sourceLineNo">046</span> public int compareTo(byte[] value, int offset, int length) {<a name="line.46"></a> +<span class="sourceLineNo">047</span> long that = Bytes.toLong(value, offset, length);<a name="line.47"></a> +<span class="sourceLineNo">048</span> return Long.compare(longValue, that);<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> @Override<a name="line.51"></a> -<span class="sourceLineNo">052</span> public int compareTo(ByteBuffer value, int offset, int length) {<a name="line.52"></a> -<span class="sourceLineNo">053</span> Long that = ByteBufferUtils.toLong(value, offset);<a name="line.53"></a> -<span class="sourceLineNo">054</span> return this.longValue.compareTo(that);<a name="line.54"></a> -<span class="sourceLineNo">055</span> }<a name="line.55"></a> +<span class="sourceLineNo">051</span> @Override<a name="line.51"></a> +<span class="sourceLineNo">052</span> public int compareTo(ByteBuffer value, int offset, int length) {<a name="line.52"></a> +<span class="sourceLineNo">053</span> long that = ByteBufferUtils.toLong(value, offset);<a name="line.53"></a> +<span class="sourceLineNo">054</span> return Long.compare(longValue, that);<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> /**<a name="line.57"></a> <span class="sourceLineNo">058</span> * @return The comparator serialized using pb<a name="line.58"></a> http://git-wip-us.apache.org/repos/asf/hbase-site/blob/044b3379/apidocs/src-html/org/apache/hadoop/hbase/filter/MultiRowRangeFilter.RowRange.html ---------------------------------------------------------------------- diff --git a/apidocs/src-html/org/apache/hadoop/hbase/filter/MultiRowRangeFilter.RowRange.html b/apidocs/src-html/org/apache/hadoop/hbase/filter/MultiRowRangeFilter.RowRange.html index 480107e..070e398 100644 --- a/apidocs/src-html/org/apache/hadoop/hbase/filter/MultiRowRangeFilter.RowRange.html +++ b/apidocs/src-html/org/apache/hadoop/hbase/filter/MultiRowRangeFilter.RowRange.html @@ -33,120 +33,120 @@ <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.CellUtil;<a name="line.26"></a> <span class="sourceLineNo">027</span>import org.apache.hadoop.hbase.HConstants;<a name="line.27"></a> -<span class="sourceLineNo">028</span>import org.apache.hadoop.hbase.KeyValueUtil;<a name="line.28"></a> -<span class="sourceLineNo">029</span>import org.apache.hadoop.hbase.classification.InterfaceAudience;<a name="line.29"></a> -<span class="sourceLineNo">030</span>import org.apache.hadoop.hbase.classification.InterfaceStability;<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.hadoop.hbase.protobuf.generated.FilterProtos;<a name="line.32"></a> -<span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.util.ByteStringer;<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>import com.google.protobuf.InvalidProtocolBufferException;<a name="line.36"></a> -<span class="sourceLineNo">037</span><a name="line.37"></a> -<span class="sourceLineNo">038</span>/**<a name="line.38"></a> -<span class="sourceLineNo">039</span> * Filter to support scan multiple row key ranges. It can construct the row key ranges from the<a name="line.39"></a> -<span class="sourceLineNo">040</span> * passed list which can be accessed by each region server.<a name="line.40"></a> -<span class="sourceLineNo">041</span> *<a name="line.41"></a> -<span class="sourceLineNo">042</span> * HBase is quite efficient when scanning only one small row key range. If user needs to specify<a name="line.42"></a> -<span class="sourceLineNo">043</span> * multiple row key ranges in one scan, the typical solutions are: 1. through FilterList which is a<a name="line.43"></a> -<span class="sourceLineNo">044</span> * list of row key Filters, 2. using the SQL layer over HBase to join with two table, such as hive,<a name="line.44"></a> -<span class="sourceLineNo">045</span> * phoenix etc. However, both solutions are inefficient. Both of them can't utilize the range info<a name="line.45"></a> -<span class="sourceLineNo">046</span> * to perform fast forwarding during scan which is quite time consuming. If the number of ranges<a name="line.46"></a> -<span class="sourceLineNo">047</span> * are quite big (e.g. millions), join is a proper solution though it is slow. However, there are<a name="line.47"></a> -<span class="sourceLineNo">048</span> * cases that user wants to specify a small number of ranges to scan (e.g. &lt;1000 ranges). Both<a name="line.48"></a> -<span class="sourceLineNo">049</span> * solutions can't provide satisfactory performance in such case. MultiRowRangeFilter is to support<a name="line.49"></a> -<span class="sourceLineNo">050</span> * such usec ase (scan multiple row key ranges), which can construct the row key ranges from user<a name="line.50"></a> -<span class="sourceLineNo">051</span> * specified list and perform fast-forwarding during scan. Thus, the scan will be quite efficient.<a name="line.51"></a> -<span class="sourceLineNo">052</span> */<a name="line.52"></a> -<span class="sourceLineNo">053</span>@InterfaceAudience.Public<a name="line.53"></a> -<span class="sourceLineNo">054</span>@InterfaceStability.Evolving<a name="line.54"></a> -<span class="sourceLineNo">055</span>public class MultiRowRangeFilter extends FilterBase {<a name="line.55"></a> -<span class="sourceLineNo">056</span><a name="line.56"></a> -<span class="sourceLineNo">057</span> private List<RowRange> rangeList;<a name="line.57"></a> -<span class="sourceLineNo">058</span><a name="line.58"></a> -<span class="sourceLineNo">059</span> private static final int ROW_BEFORE_FIRST_RANGE = -1;<a name="line.59"></a> -<span class="sourceLineNo">060</span> private boolean EXCLUSIVE = false;<a name="line.60"></a> -<span class="sourceLineNo">061</span> private boolean done = false;<a name="line.61"></a> -<span class="sourceLineNo">062</span> private boolean initialized = false;<a name="line.62"></a> -<span class="sourceLineNo">063</span> private int index;<a name="line.63"></a> -<span class="sourceLineNo">064</span> private RowRange range;<a name="line.64"></a> -<span class="sourceLineNo">065</span> private ReturnCode currentReturnCode;<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> * @param list A list of <code>RowRange</code><a name="line.68"></a> -<span class="sourceLineNo">069</span> * @throws java.io.IOException<a name="line.69"></a> -<span class="sourceLineNo">070</span> * throw an exception if the range list is not in an natural order or any<a name="line.70"></a> -<span class="sourceLineNo">071</span> * <code>RowRange</code> is invalid<a name="line.71"></a> -<span class="sourceLineNo">072</span> */<a name="line.72"></a> -<span class="sourceLineNo">073</span> public MultiRowRangeFilter(List<RowRange> list) throws IOException {<a name="line.73"></a> -<span class="sourceLineNo">074</span> this.rangeList = sortAndMerge(list);<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 boolean filterAllRemaining() {<a name="line.78"></a> -<span class="sourceLineNo">079</span> return done;<a name="line.79"></a> -<span class="sourceLineNo">080</span> }<a name="line.80"></a> -<span class="sourceLineNo">081</span><a name="line.81"></a> -<span class="sourceLineNo">082</span> public List<RowRange> getRowRanges() {<a name="line.82"></a> -<span class="sourceLineNo">083</span> return this.rangeList;<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 filterRowKey(Cell firstRowCell) {<a name="line.87"></a> -<span class="sourceLineNo">088</span> if (filterAllRemaining()) return true;<a name="line.88"></a> -<span class="sourceLineNo">089</span> // If it is the first time of running, calculate the current range index for<a name="line.89"></a> -<span class="sourceLineNo">090</span> // the row key. If index is out of bound which happens when the start row<a name="line.90"></a> -<span class="sourceLineNo">091</span> // user sets is after the largest stop row of the ranges, stop the scan.<a name="line.91"></a> -<span class="sourceLineNo">092</span> // If row key is after the current range, find the next range and update index.<a name="line.92"></a> -<span class="sourceLineNo">093</span> byte[] rowArr = firstRowCell.getRowArray();<a name="line.93"></a> -<span class="sourceLineNo">094</span> int length = firstRowCell.getRowLength();<a name="line.94"></a> -<span class="sourceLineNo">095</span> int offset = firstRowCell.getRowOffset();<a name="line.95"></a> -<span class="sourceLineNo">096</span> if (!initialized<a name="line.96"></a> -<span class="sourceLineNo">097</span> || !range.contains(rowArr, offset, length)) {<a name="line.97"></a> -<span class="sourceLineNo">098</span> byte[] rowkey = CellUtil.cloneRow(firstRowCell);<a name="line.98"></a> -<span class="sourceLineNo">099</span> index = getNextRangeIndex(rowkey);<a name="line.99"></a> -<span class="sourceLineNo">100</span> if (index >= rangeList.size()) {<a name="line.100"></a> -<span class="sourceLineNo">101</span> done = true;<a name="line.101"></a> -<span class="sourceLineNo">102</span> currentReturnCode = ReturnCode.NEXT_ROW;<a name="line.102"></a> -<span class="sourceLineNo">103</span> return false;<a name="line.103"></a> -<span class="sourceLineNo">104</span> }<a name="line.104"></a> -<span class="sourceLineNo">105</span> if(index != ROW_BEFORE_FIRST_RANGE) {<a name="line.105"></a> -<span class="sourceLineNo">106</span> range = rangeList.get(index);<a name="line.106"></a> -<span class="sourceLineNo">107</span> } else {<a name="line.107"></a> -<span class="sourceLineNo">108</span> range = rangeList.get(0);<a name="line.108"></a> -<span class="sourceLineNo">109</span> }<a name="line.109"></a> -<span class="sourceLineNo">110</span> if (EXCLUSIVE) {<a name="line.110"></a> -<span class="sourceLineNo">111</span> EXCLUSIVE = false;<a name="line.111"></a> -<span class="sourceLineNo">112</span> currentReturnCode = ReturnCode.NEXT_ROW;<a name="line.112"></a> -<span class="sourceLineNo">113</span> return false;<a name="line.113"></a> -<span class="sourceLineNo">114</span> }<a name="line.114"></a> -<span class="sourceLineNo">115</span> if (!initialized) {<a name="line.115"></a> -<span class="sourceLineNo">116</span> if(index != ROW_BEFORE_FIRST_RANGE) {<a name="line.116"></a> -<span class="sourceLineNo">117</span> currentReturnCode = ReturnCode.INCLUDE;<a name="line.117"></a> -<span class="sourceLineNo">118</span> } else {<a name="line.118"></a> -<span class="sourceLineNo">119</span> currentReturnCode = ReturnCode.SEEK_NEXT_USING_HINT;<a name="line.119"></a> -<span class="sourceLineNo">120</span> }<a name="line.120"></a> -<span class="sourceLineNo">121</span> initialized = true;<a name="line.121"></a> -<span class="sourceLineNo">122</span> } else {<a name="line.122"></a> -<span class="sourceLineNo">123</span> if (range.contains(rowArr, offset, length)) {<a name="line.123"></a> -<span class="sourceLineNo">124</span> currentReturnCode = ReturnCode.INCLUDE;<a name="line.124"></a> -<span class="sourceLineNo">125</span> } else currentReturnCode = ReturnCode.SEEK_NEXT_USING_HINT;<a name="line.125"></a> -<span class="sourceLineNo">126</span> }<a name="line.126"></a> -<span class="sourceLineNo">127</span> } else {<a name="line.127"></a> -<span class="sourceLineNo">128</span> currentReturnCode = ReturnCode.INCLUDE;<a name="line.128"></a> -<span class="sourceLineNo">129</span> }<a name="line.129"></a> -<span class="sourceLineNo">130</span> return false;<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> @Override<a name="line.133"></a> -<span class="sourceLineNo">134</span> public ReturnCode filterKeyValue(Cell ignored) {<a name="line.134"></a> -<span class="sourceLineNo">135</span> return currentReturnCode;<a name="line.135"></a> -<span class="sourceLineNo">136</span> }<a name="line.136"></a> -<span class="sourceLineNo">137</span><a name="line.137"></a> -<span class="sourceLineNo">138</span> @Override<a name="line.138"></a> -<span class="sourceLineNo">139</span> public Cell getNextCellHint(Cell currentKV) {<a name="line.139"></a> -<span class="sourceLineNo">140</span> // skip to the next range's start row<a name="line.140"></a> -<span class="sourceLineNo">141</span> return KeyValueUtil.createFirstOnRow(range.startRow);<a name="line.141"></a> +<span class="sourceLineNo">028</span>import org.apache.hadoop.hbase.classification.InterfaceAudience;<a name="line.28"></a> +<span class="sourceLineNo">029</span>import org.apache.hadoop.hbase.classification.InterfaceStability;<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.hadoop.hbase.protobuf.generated.FilterProtos;<a name="line.31"></a> +<span class="sourceLineNo">032</span>import org.apache.hadoop.hbase.util.ByteStringer;<a name="line.32"></a> +<span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.33"></a> +<span class="sourceLineNo">034</span><a name="line.34"></a> +<span class="sourceLineNo">035</span>import com.google.protobuf.InvalidProtocolBufferException;<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> * Filter to support scan multiple row key ranges. It can construct the row key ranges from the<a name="line.38"></a> +<span class="sourceLineNo">039</span> * passed list which can be accessed by each region server.<a name="line.39"></a> +<span class="sourceLineNo">040</span> *<a name="line.40"></a> +<span class="sourceLineNo">041</span> * HBase is quite efficient when scanning only one small row key range. If user needs to specify<a name="line.41"></a> +<span class="sourceLineNo">042</span> * multiple row key ranges in one scan, the typical solutions are: 1. through FilterList which is a<a name="line.42"></a> +<span class="sourceLineNo">043</span> * list of row key Filters, 2. using the SQL layer over HBase to join with two table, such as hive,<a name="line.43"></a> +<span class="sourceLineNo">044</span> * phoenix etc. However, both solutions are inefficient. Both of them can't utilize the range info<a name="line.44"></a> +<span class="sourceLineNo">045</span> * to perform fast forwarding during scan which is quite time consuming. If the number of ranges<a name="line.45"></a> +<span class="sourceLineNo">046</span> * are quite big (e.g. millions), join is a proper solution though it is slow. However, there are<a name="line.46"></a> +<span class="sourceLineNo">047</span> * cases that user wants to specify a small number of ranges to scan (e.g. &lt;1000 ranges). Both<a name="line.47"></a> +<span class="sourceLineNo">048</span> * solutions can't provide satisfactory performance in such case. MultiRowRangeFilter is to support<a name="line.48"></a> +<span class="sourceLineNo">049</span> * such usec ase (scan multiple row key ranges), which can construct the row key ranges from user<a name="line.49"></a> +<span class="sourceLineNo">050</span> * specified list and perform fast-forwarding during scan. Thus, the scan will be quite efficient.<a name="line.50"></a> +<span class="sourceLineNo">051</span> */<a name="line.51"></a> +<span class="sourceLineNo">052</span>@InterfaceAudience.Public<a name="line.52"></a> +<span class="sourceLineNo">053</span>@InterfaceStability.Evolving<a name="line.53"></a> +<span class="sourceLineNo">054</span>public class MultiRowRangeFilter extends FilterBase {<a name="line.54"></a> +<span class="sourceLineNo">055</span><a name="line.55"></a> +<span class="sourceLineNo">056</span> private List<RowRange> rangeList;<a name="line.56"></a> +<span class="sourceLineNo">057</span><a name="line.57"></a> +<span class="sourceLineNo">058</span> private static final int ROW_BEFORE_FIRST_RANGE = -1;<a name="line.58"></a> +<span class="sourceLineNo">059</span> private boolean EXCLUSIVE = false;<a name="line.59"></a> +<span class="sourceLineNo">060</span> private boolean done = false;<a name="line.60"></a> +<span class="sourceLineNo">061</span> private boolean initialized = false;<a name="line.61"></a> +<span class="sourceLineNo">062</span> private int index;<a name="line.62"></a> +<span class="sourceLineNo">063</span> private RowRange range;<a name="line.63"></a> +<span class="sourceLineNo">064</span> private ReturnCode currentReturnCode;<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> * @param list A list of <code>RowRange</code><a name="line.67"></a> +<span class="sourceLineNo">068</span> * @throws java.io.IOException<a name="line.68"></a> +<span class="sourceLineNo">069</span> * throw an exception if the range list is not in an natural order or any<a name="line.69"></a> +<span class="sourceLineNo">070</span> * <code>RowRange</code> is invalid<a name="line.70"></a> +<span class="sourceLineNo">071</span> */<a name="line.71"></a> +<span class="sourceLineNo">072</span> public MultiRowRangeFilter(List<RowRange> list) throws IOException {<a name="line.72"></a> +<span class="sourceLineNo">073</span> this.rangeList = sortAndMerge(list);<a name="line.73"></a> +<span class="sourceLineNo">074</span> }<a name="line.74"></a> +<span class="sourceLineNo">075</span><a name="line.75"></a> +<span class="sourceLineNo">076</span> @Override<a name="line.76"></a> +<span class="sourceLineNo">077</span> public boolean filterAllRemaining() {<a name="line.77"></a> +<span class="sourceLineNo">078</span> return done;<a name="line.78"></a> +<span class="sourceLineNo">079</span> }<a name="line.79"></a> +<span class="sourceLineNo">080</span><a name="line.80"></a> +<span class="sourceLineNo">081</span> public List<RowRange> getRowRanges() {<a name="line.81"></a> +<span class="sourceLineNo">082</span> return this.rangeList;<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 boolean filterRowKey(Cell firstRowCell) {<a name="line.86"></a> +<span class="sourceLineNo">087</span> if (filterAllRemaining()) return true;<a name="line.87"></a> +<span class="sourceLineNo">088</span> // If it is the first time of running, calculate the current range index for<a name="line.88"></a> +<span class="sourceLineNo">089</span> // the row key. If index is out of bound which happens when the start row<a name="line.89"></a> +<span class="sourceLineNo">090</span> // user sets is after the largest stop row of the ranges, stop the scan.<a name="line.90"></a> +<span class="sourceLineNo">091</span> // If row key is after the current range, find the next range and update index.<a name="line.91"></a> +<span class="sourceLineNo">092</span> byte[] rowArr = firstRowCell.getRowArray();<a name="line.92"></a> +<span class="sourceLineNo">093</span> int length = firstRowCell.getRowLength();<a name="line.93"></a> +<span class="sourceLineNo">094</span> int offset = firstRowCell.getRowOffset();<a name="line.94"></a> +<span class="sourceLineNo">095</span> if (!initialized<a name="line.95"></a> +<span class="sourceLineNo">096</span> || !range.contains(rowArr, offset, length)) {<a name="line.96"></a> +<span class="sourceLineNo">097</span> byte[] rowkey = CellUtil.cloneRow(firstRowCell);<a name="line.97"></a> +<span class="sourceLineNo">098</span> index = getNextRangeIndex(rowkey);<a name="line.98"></a> +<span class="sourceLineNo">099</span> if (index >= rangeList.size()) {<a name="line.99"></a> +<span class="sourceLineNo">100</span> done = true;<a name="line.100"></a> +<span class="sourceLineNo">101</span> currentReturnCode = ReturnCode.NEXT_ROW;<a name="line.101"></a> +<span class="sourceLineNo">102</span> return false;<a name="line.102"></a> +<span class="sourceLineNo">103</span> }<a name="line.103"></a> +<span class="sourceLineNo">104</span> if(index != ROW_BEFORE_FIRST_RANGE) {<a name="line.104"></a> +<span class="sourceLineNo">105</span> range = rangeList.get(index);<a name="line.105"></a> +<span class="sourceLineNo">106</span> } else {<a name="line.106"></a> +<span class="sourceLineNo">107</span> range = rangeList.get(0);<a name="line.107"></a> +<span class="sourceLineNo">108</span> }<a name="line.108"></a> +<span class="sourceLineNo">109</span> if (EXCLUSIVE) {<a name="line.109"></a> +<span class="sourceLineNo">110</span> EXCLUSIVE = false;<a name="line.110"></a> +<span class="sourceLineNo">111</span> currentReturnCode = ReturnCode.NEXT_ROW;<a name="line.111"></a> +<span class="sourceLineNo">112</span> return false;<a name="line.112"></a> +<span class="sourceLineNo">113</span> }<a name="line.113"></a> +<span class="sourceLineNo">114</span> if (!initialized) {<a name="line.114"></a> +<span class="sourceLineNo">115</span> if(index != ROW_BEFORE_FIRST_RANGE) {<a name="line.115"></a> +<span class="sourceLineNo">116</span> currentReturnCode = ReturnCode.INCLUDE;<a name="line.116"></a> +<span class="sourceLineNo">117</span> } else {<a name="line.117"></a> +<span class="sourceLineNo">118</span> currentReturnCode = ReturnCode.SEEK_NEXT_USING_HINT;<a name="line.118"></a> +<span class="sourceLineNo">119</span> }<a name="line.119"></a> +<span class="sourceLineNo">120</span> initialized = true;<a name="line.120"></a> +<span class="sourceLineNo">121</span> } else {<a name="line.121"></a> +<span class="sourceLineNo">122</span> if (range.contains(rowArr, offset, length)) {<a name="line.122"></a> +<span class="sourceLineNo">123</span> currentReturnCode = ReturnCode.INCLUDE;<a name="line.123"></a> +<span class="sourceLineNo">124</span> } else currentReturnCode = ReturnCode.SEEK_NEXT_USING_HINT;<a name="line.124"></a> +<span class="sourceLineNo">125</span> }<a name="line.125"></a> +<span class="sourceLineNo">126</span> } else {<a name="line.126"></a> +<span class="sourceLineNo">127</span> currentReturnCode = ReturnCode.INCLUDE;<a name="line.127"></a> +<span class="sourceLineNo">128</span> }<a name="line.128"></a> +<span class="sourceLineNo">129</span> return false;<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> @Override<a name="line.132"></a> +<span class="sourceLineNo">133</span> public ReturnCode filterKeyValue(Cell ignored) {<a name="line.133"></a> +<span class="sourceLineNo">134</span> return currentReturnCode;<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> @Override<a name="line.137"></a> +<span class="sourceLineNo">138</span> public Cell getNextCellHint(Cell currentKV) {<a name="line.138"></a> +<span class="sourceLineNo">139</span> // skip to the next range's start row<a name="line.139"></a> +<span class="sourceLineNo">140</span> return CellUtil.createFirstOnRow(range.startRow, 0,<a name="line.140"></a> +<span class="sourceLineNo">141</span> (short) range.startRow.length);<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>
