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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.filter;<a name="line.18"></a> |
| <span class="sourceLineNo">019</span><a name="line.19"></a> |
| <span class="sourceLineNo">020</span>import static org.junit.Assert.assertEquals;<a name="line.20"></a> |
| <span class="sourceLineNo">021</span>import static org.junit.Assert.assertNotNull;<a name="line.21"></a> |
| <span class="sourceLineNo">022</span>import static org.junit.Assert.assertNull;<a name="line.22"></a> |
| <span class="sourceLineNo">023</span><a name="line.23"></a> |
| <span class="sourceLineNo">024</span>import java.io.IOException;<a name="line.24"></a> |
| <span class="sourceLineNo">025</span>import java.util.ArrayList;<a name="line.25"></a> |
| <span class="sourceLineNo">026</span>import java.util.List;<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.CompareOperator;<a name="line.28"></a> |
| <span class="sourceLineNo">029</span>import org.apache.hadoop.hbase.HBaseClassTestRule;<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.client.Put;<a name="line.31"></a> |
| <span class="sourceLineNo">032</span>import org.apache.hadoop.hbase.client.Result;<a name="line.32"></a> |
| <span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.client.ResultScanner;<a name="line.33"></a> |
| <span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.client.Scan;<a name="line.34"></a> |
| <span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.client.Table;<a name="line.35"></a> |
| <span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.testclassification.FilterTests;<a name="line.36"></a> |
| <span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.testclassification.MediumTests;<a name="line.37"></a> |
| <span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.38"></a> |
| <span class="sourceLineNo">039</span>import org.junit.BeforeClass;<a name="line.39"></a> |
| <span class="sourceLineNo">040</span>import org.junit.ClassRule;<a name="line.40"></a> |
| <span class="sourceLineNo">041</span>import org.junit.Test;<a name="line.41"></a> |
| <span class="sourceLineNo">042</span>import org.junit.experimental.categories.Category;<a name="line.42"></a> |
| <span class="sourceLineNo">043</span>import org.slf4j.Logger;<a name="line.43"></a> |
| <span class="sourceLineNo">044</span>import org.slf4j.LoggerFactory;<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> * Test if Filter is incompatible with scan-limits<a name="line.47"></a> |
| <span class="sourceLineNo">048</span> */<a name="line.48"></a> |
| <span class="sourceLineNo">049</span>@Category({FilterTests.class, MediumTests.class})<a name="line.49"></a> |
| <span class="sourceLineNo">050</span>public class TestFilterWithScanLimits extends FilterTestingCluster {<a name="line.50"></a> |
| <span class="sourceLineNo">051</span><a name="line.51"></a> |
| <span class="sourceLineNo">052</span> @ClassRule<a name="line.52"></a> |
| <span class="sourceLineNo">053</span> public static final HBaseClassTestRule CLASS_RULE =<a name="line.53"></a> |
| <span class="sourceLineNo">054</span> HBaseClassTestRule.forClass(TestFilterWithScanLimits.class);<a name="line.54"></a> |
| <span class="sourceLineNo">055</span><a name="line.55"></a> |
| <span class="sourceLineNo">056</span> private static final Logger LOG = LoggerFactory<a name="line.56"></a> |
| <span class="sourceLineNo">057</span> .getLogger(TestFilterWithScanLimits.class);<a name="line.57"></a> |
| <span class="sourceLineNo">058</span><a name="line.58"></a> |
| <span class="sourceLineNo">059</span> private static final TableName tableName = TableName.valueOf("scanWithLimit");<a name="line.59"></a> |
| <span class="sourceLineNo">060</span> private static final String columnFamily = "f1";<a name="line.60"></a> |
| <span class="sourceLineNo">061</span><a name="line.61"></a> |
| <span class="sourceLineNo">062</span> @Test<a name="line.62"></a> |
| <span class="sourceLineNo">063</span> public void testScanWithLimit() {<a name="line.63"></a> |
| <span class="sourceLineNo">064</span> int kv_number = 0;<a name="line.64"></a> |
| <span class="sourceLineNo">065</span> try {<a name="line.65"></a> |
| <span class="sourceLineNo">066</span> Scan scan = new Scan();<a name="line.66"></a> |
| <span class="sourceLineNo">067</span> // set batch number as 2, which means each Result should contain 2 KVs at most<a name="line.67"></a> |
| <span class="sourceLineNo">068</span> scan.setBatch(2);<a name="line.68"></a> |
| <span class="sourceLineNo">069</span> SingleColumnValueFilter filter = new SingleColumnValueFilter(<a name="line.69"></a> |
| <span class="sourceLineNo">070</span> Bytes.toBytes(columnFamily), Bytes.toBytes("c5"),<a name="line.70"></a> |
| <span class="sourceLineNo">071</span> CompareOperator .EQUAL, new SubstringComparator("2_c5"));<a name="line.71"></a> |
| <span class="sourceLineNo">072</span><a name="line.72"></a> |
| <span class="sourceLineNo">073</span> // add filter after batch defined<a name="line.73"></a> |
| <span class="sourceLineNo">074</span> scan.setFilter(filter);<a name="line.74"></a> |
| <span class="sourceLineNo">075</span> Table table = openTable(tableName);<a name="line.75"></a> |
| <span class="sourceLineNo">076</span> ResultScanner scanner = table.getScanner(scan);<a name="line.76"></a> |
| <span class="sourceLineNo">077</span> // Expect to get following row<a name="line.77"></a> |
| <span class="sourceLineNo">078</span> // row2 => <f1:c1, 2_c1>, <f1:c2, 2_c2>,<a name="line.78"></a> |
| <span class="sourceLineNo">079</span> // row2 => <f1:c3, 2_c3>, <f1:c4, 2_c4>,<a name="line.79"></a> |
| <span class="sourceLineNo">080</span> // row2 => <f1:c5, 2_c5><a name="line.80"></a> |
| <span class="sourceLineNo">081</span><a name="line.81"></a> |
| <span class="sourceLineNo">082</span> for (Result result : scanner) {<a name="line.82"></a> |
| <span class="sourceLineNo">083</span> for (Cell kv : result.listCells()) {<a name="line.83"></a> |
| <span class="sourceLineNo">084</span> kv_number++;<a name="line.84"></a> |
| <span class="sourceLineNo">085</span> LOG.debug(kv_number + ". kv: " + kv);<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><a name="line.88"></a> |
| <span class="sourceLineNo">089</span> scanner.close();<a name="line.89"></a> |
| <span class="sourceLineNo">090</span> table.close();<a name="line.90"></a> |
| <span class="sourceLineNo">091</span> } catch (Exception e) {<a name="line.91"></a> |
| <span class="sourceLineNo">092</span> // no correct result is expected<a name="line.92"></a> |
| <span class="sourceLineNo">093</span> assertNotNull("No IncompatibleFilterException catched", e);<a name="line.93"></a> |
| <span class="sourceLineNo">094</span> }<a name="line.94"></a> |
| <span class="sourceLineNo">095</span> LOG.debug("check the fetched kv number");<a name="line.95"></a> |
| <span class="sourceLineNo">096</span> assertEquals("We should not get result(s) returned.", 0, kv_number);<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> @BeforeClass<a name="line.99"></a> |
| <span class="sourceLineNo">100</span> public static void prepareData() {<a name="line.100"></a> |
| <span class="sourceLineNo">101</span> try {<a name="line.101"></a> |
| <span class="sourceLineNo">102</span> createTable(tableName, columnFamily);<a name="line.102"></a> |
| <span class="sourceLineNo">103</span> Table table = openTable(tableName);<a name="line.103"></a> |
| <span class="sourceLineNo">104</span> List<Put> puts = new ArrayList<>();<a name="line.104"></a> |
| <span class="sourceLineNo">105</span><a name="line.105"></a> |
| <span class="sourceLineNo">106</span> // row1 => <f1:c1, 1_c1>, <f1:c2, 1_c2>, <f1:c3, 1_c3>, <f1:c4,1_c4>,<a name="line.106"></a> |
| <span class="sourceLineNo">107</span> // <f1:c5, 1_c5><a name="line.107"></a> |
| <span class="sourceLineNo">108</span> // row2 => <f1:c1, 2_c1>, <f1:c2, 2_c2>, <f1:c3, 2_c3>, <f1:c4,2_c4>,<a name="line.108"></a> |
| <span class="sourceLineNo">109</span> // <f1:c5, 2_c5><a name="line.109"></a> |
| <span class="sourceLineNo">110</span> for (int i = 1; i < 4; i++) {<a name="line.110"></a> |
| <span class="sourceLineNo">111</span> Put put = new Put(Bytes.toBytes("row" + i));<a name="line.111"></a> |
| <span class="sourceLineNo">112</span> for (int j = 1; j < 6; j++) {<a name="line.112"></a> |
| <span class="sourceLineNo">113</span> put.addColumn(Bytes.toBytes("f1"), Bytes.toBytes("c" + j), Bytes.toBytes(i + "_c" + j));<a name="line.113"></a> |
| <span class="sourceLineNo">114</span> }<a name="line.114"></a> |
| <span class="sourceLineNo">115</span> puts.add(put);<a name="line.115"></a> |
| <span class="sourceLineNo">116</span> }<a name="line.116"></a> |
| <span class="sourceLineNo">117</span><a name="line.117"></a> |
| <span class="sourceLineNo">118</span> table.put(puts);<a name="line.118"></a> |
| <span class="sourceLineNo">119</span> table.close();<a name="line.119"></a> |
| <span class="sourceLineNo">120</span> } catch (IOException e) {<a name="line.120"></a> |
| <span class="sourceLineNo">121</span> assertNull("Exception found while putting data into table", e);<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>}<a name="line.125"></a> |
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| </pre> |
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