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| <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>package org.apache.hadoop.hbase.client;<a name="line.18"></a> |
| <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.List;<a name="line.22"></a> |
| <span class="sourceLineNo">023</span>import org.apache.hadoop.conf.Configuration;<a name="line.23"></a> |
| <span class="sourceLineNo">024</span>import org.apache.hadoop.hbase.Cell;<a name="line.24"></a> |
| <span class="sourceLineNo">025</span>import org.apache.hadoop.hbase.CellUtil;<a name="line.25"></a> |
| <span class="sourceLineNo">026</span>import org.apache.hadoop.hbase.HBaseTestingUtil;<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.HTestConst;<a name="line.28"></a> |
| <span class="sourceLineNo">029</span>import org.apache.hadoop.hbase.KeyValue;<a name="line.29"></a> |
| <span class="sourceLineNo">030</span>import org.apache.hadoop.hbase.TableName;<a name="line.30"></a> |
| <span class="sourceLineNo">031</span>import org.apache.hadoop.hbase.filter.Filter;<a name="line.31"></a> |
| <span class="sourceLineNo">032</span>import org.apache.hadoop.hbase.filter.FilterBase;<a name="line.32"></a> |
| <span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.regionserver.StoreScanner;<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>import org.apache.hadoop.hbase.util.Threads;<a name="line.35"></a> |
| <span class="sourceLineNo">036</span>import org.junit.AfterClass;<a name="line.36"></a> |
| <span class="sourceLineNo">037</span>import org.junit.BeforeClass;<a name="line.37"></a> |
| <span class="sourceLineNo">038</span><a name="line.38"></a> |
| <span class="sourceLineNo">039</span>public abstract class AbstractTestScanCursor {<a name="line.39"></a> |
| <span class="sourceLineNo">040</span><a name="line.40"></a> |
| <span class="sourceLineNo">041</span> protected final static HBaseTestingUtil TEST_UTIL = new HBaseTestingUtil();<a name="line.41"></a> |
| <span class="sourceLineNo">042</span><a name="line.42"></a> |
| <span class="sourceLineNo">043</span> /**<a name="line.43"></a> |
| <span class="sourceLineNo">044</span> * Table configuration<a name="line.44"></a> |
| <span class="sourceLineNo">045</span> */<a name="line.45"></a> |
| <span class="sourceLineNo">046</span> protected static TableName TABLE_NAME = TableName.valueOf("TestScanCursor");<a name="line.46"></a> |
| <span class="sourceLineNo">047</span><a name="line.47"></a> |
| <span class="sourceLineNo">048</span> protected static int NUM_ROWS = 5;<a name="line.48"></a> |
| <span class="sourceLineNo">049</span> protected static byte[] ROW = Bytes.toBytes("testRow");<a name="line.49"></a> |
| <span class="sourceLineNo">050</span> protected static byte[][] ROWS = HTestConst.makeNAscii(ROW, NUM_ROWS);<a name="line.50"></a> |
| <span class="sourceLineNo">051</span><a name="line.51"></a> |
| <span class="sourceLineNo">052</span> protected static int NUM_FAMILIES = 2;<a name="line.52"></a> |
| <span class="sourceLineNo">053</span> protected static byte[] FAMILY = Bytes.toBytes("testFamily");<a name="line.53"></a> |
| <span class="sourceLineNo">054</span> protected static byte[][] FAMILIES = HTestConst.makeNAscii(FAMILY, NUM_FAMILIES);<a name="line.54"></a> |
| <span class="sourceLineNo">055</span><a name="line.55"></a> |
| <span class="sourceLineNo">056</span> protected static int NUM_QUALIFIERS = 2;<a name="line.56"></a> |
| <span class="sourceLineNo">057</span> protected static byte[] QUALIFIER = Bytes.toBytes("testQualifier");<a name="line.57"></a> |
| <span class="sourceLineNo">058</span> protected static byte[][] QUALIFIERS = HTestConst.makeNAscii(QUALIFIER, NUM_QUALIFIERS);<a name="line.58"></a> |
| <span class="sourceLineNo">059</span><a name="line.59"></a> |
| <span class="sourceLineNo">060</span> protected static int VALUE_SIZE = 10;<a name="line.60"></a> |
| <span class="sourceLineNo">061</span> protected static byte[] VALUE = Bytes.createMaxByteArray(VALUE_SIZE);<a name="line.61"></a> |
| <span class="sourceLineNo">062</span><a name="line.62"></a> |
| <span class="sourceLineNo">063</span> protected static final int TIMEOUT = 4000;<a name="line.63"></a> |
| <span class="sourceLineNo">064</span><a name="line.64"></a> |
| <span class="sourceLineNo">065</span> @BeforeClass<a name="line.65"></a> |
| <span class="sourceLineNo">066</span> public static void setUpBeforeClass() throws Exception {<a name="line.66"></a> |
| <span class="sourceLineNo">067</span> Configuration conf = TEST_UTIL.getConfiguration();<a name="line.67"></a> |
| <span class="sourceLineNo">068</span><a name="line.68"></a> |
| <span class="sourceLineNo">069</span> conf.setInt(HConstants.HBASE_CLIENT_SCANNER_TIMEOUT_PERIOD, TIMEOUT);<a name="line.69"></a> |
| <span class="sourceLineNo">070</span> conf.setInt(HConstants.HBASE_RPC_TIMEOUT_KEY, TIMEOUT);<a name="line.70"></a> |
| <span class="sourceLineNo">071</span><a name="line.71"></a> |
| <span class="sourceLineNo">072</span> // Check the timeout condition after every cell<a name="line.72"></a> |
| <span class="sourceLineNo">073</span> conf.setLong(StoreScanner.HBASE_CELLS_SCANNED_PER_HEARTBEAT_CHECK, 1);<a name="line.73"></a> |
| <span class="sourceLineNo">074</span> TEST_UTIL.startMiniCluster(1);<a name="line.74"></a> |
| <span class="sourceLineNo">075</span><a name="line.75"></a> |
| <span class="sourceLineNo">076</span> createTestTable(TABLE_NAME, ROWS, FAMILIES, QUALIFIERS, VALUE);<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> private static void createTestTable(TableName name, byte[][] rows, byte[][] families,<a name="line.79"></a> |
| <span class="sourceLineNo">080</span> byte[][] qualifiers, byte[] cellValue) throws IOException {<a name="line.80"></a> |
| <span class="sourceLineNo">081</span> TEST_UTIL.createTable(name, families).put(createPuts(rows, families, qualifiers, cellValue));<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> private static List<Put> createPuts(byte[][] rows, byte[][] families, byte[][] qualifiers,<a name="line.84"></a> |
| <span class="sourceLineNo">085</span> byte[] value) throws IOException {<a name="line.85"></a> |
| <span class="sourceLineNo">086</span> List<Put> puts = new ArrayList<>();<a name="line.86"></a> |
| <span class="sourceLineNo">087</span> for (int row = 0; row < rows.length; row++) {<a name="line.87"></a> |
| <span class="sourceLineNo">088</span> Put put = new Put(rows[row]);<a name="line.88"></a> |
| <span class="sourceLineNo">089</span> for (int fam = 0; fam < families.length; fam++) {<a name="line.89"></a> |
| <span class="sourceLineNo">090</span> for (int qual = 0; qual < qualifiers.length; qual++) {<a name="line.90"></a> |
| <span class="sourceLineNo">091</span> KeyValue kv = new KeyValue(rows[row], families[fam], qualifiers[qual], qual, value);<a name="line.91"></a> |
| <span class="sourceLineNo">092</span> put.add(kv);<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> puts.add(put);<a name="line.95"></a> |
| <span class="sourceLineNo">096</span> }<a name="line.96"></a> |
| <span class="sourceLineNo">097</span> return puts;<a name="line.97"></a> |
| <span class="sourceLineNo">098</span> }<a name="line.98"></a> |
| <span class="sourceLineNo">099</span><a name="line.99"></a> |
| <span class="sourceLineNo">100</span> @AfterClass<a name="line.100"></a> |
| <span class="sourceLineNo">101</span> public static void tearDownAfterClass() throws Exception {<a name="line.101"></a> |
| <span class="sourceLineNo">102</span> TEST_UTIL.shutdownMiniCluster();<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> public static final class SparseFilter extends FilterBase {<a name="line.105"></a> |
| <span class="sourceLineNo">106</span><a name="line.106"></a> |
| <span class="sourceLineNo">107</span> private final boolean reversed;<a name="line.107"></a> |
| <span class="sourceLineNo">108</span><a name="line.108"></a> |
| <span class="sourceLineNo">109</span> public SparseFilter(boolean reversed) {<a name="line.109"></a> |
| <span class="sourceLineNo">110</span> this.reversed = reversed;<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> @Override<a name="line.113"></a> |
| <span class="sourceLineNo">114</span> public ReturnCode filterCell(final Cell c) throws IOException {<a name="line.114"></a> |
| <span class="sourceLineNo">115</span> Threads.sleep(TIMEOUT / 2 + 100);<a name="line.115"></a> |
| <span class="sourceLineNo">116</span> return Bytes.equals(CellUtil.cloneRow(c), ROWS[reversed ? 0 : NUM_ROWS - 1])<a name="line.116"></a> |
| <span class="sourceLineNo">117</span> ? ReturnCode.INCLUDE<a name="line.117"></a> |
| <span class="sourceLineNo">118</span> : ReturnCode.SKIP;<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> @Override<a name="line.121"></a> |
| <span class="sourceLineNo">122</span> public byte[] toByteArray() throws IOException {<a name="line.122"></a> |
| <span class="sourceLineNo">123</span> return reversed ? new byte[] { 1 } : new byte[] { 0 };<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> public static Filter parseFrom(final byte[] pbBytes) {<a name="line.126"></a> |
| <span class="sourceLineNo">127</span> return new SparseFilter(pbBytes[0] != 0);<a name="line.127"></a> |
| <span class="sourceLineNo">128</span> }<a name="line.128"></a> |
| <span class="sourceLineNo">129</span> }<a name="line.129"></a> |
| <span class="sourceLineNo">130</span><a name="line.130"></a> |
| <span class="sourceLineNo">131</span> protected Scan createScanWithSparseFilter() {<a name="line.131"></a> |
| <span class="sourceLineNo">132</span> return new Scan().setMaxResultSize(Long.MAX_VALUE).setCaching(Integer.MAX_VALUE)<a name="line.132"></a> |
| <span class="sourceLineNo">133</span> .setNeedCursorResult(true).setAllowPartialResults(true).setFilter(new SparseFilter(false));<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> protected Scan createReversedScanWithSparseFilter() {<a name="line.136"></a> |
| <span class="sourceLineNo">137</span> return new Scan().setMaxResultSize(Long.MAX_VALUE).setCaching(Integer.MAX_VALUE)<a name="line.137"></a> |
| <span class="sourceLineNo">138</span> .setReversed(true).setNeedCursorResult(true).setAllowPartialResults(true)<a name="line.138"></a> |
| <span class="sourceLineNo">139</span> .setFilter(new SparseFilter(true));<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> protected Scan createScanWithSizeLimit() {<a name="line.142"></a> |
| <span class="sourceLineNo">143</span> return new Scan().setMaxResultSize(1).setCaching(Integer.MAX_VALUE).setNeedCursorResult(true);<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> |
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| </pre> |
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