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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.util.ArrayList;<a name="line.20"></a> |
| <span class="sourceLineNo">021</span>import java.util.List;<a name="line.21"></a> |
| <span class="sourceLineNo">022</span>import org.apache.hadoop.hbase.Cell;<a name="line.22"></a> |
| <span class="sourceLineNo">023</span>import org.apache.hadoop.hbase.HBaseClassTestRule;<a name="line.23"></a> |
| <span class="sourceLineNo">024</span>import org.apache.hadoop.hbase.HBaseTestingUtil;<a name="line.24"></a> |
| <span class="sourceLineNo">025</span>import org.apache.hadoop.hbase.HTestConst;<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.TableName;<a name="line.27"></a> |
| <span class="sourceLineNo">028</span>import org.apache.hadoop.hbase.regionserver.HRegion;<a name="line.28"></a> |
| <span class="sourceLineNo">029</span>import org.apache.hadoop.hbase.regionserver.RegionScanner;<a name="line.29"></a> |
| <span class="sourceLineNo">030</span>import org.apache.hadoop.hbase.testclassification.ClientTests;<a name="line.30"></a> |
| <span class="sourceLineNo">031</span>import org.apache.hadoop.hbase.testclassification.SmallTests;<a name="line.31"></a> |
| <span class="sourceLineNo">032</span>import org.junit.ClassRule;<a name="line.32"></a> |
| <span class="sourceLineNo">033</span>import org.junit.Test;<a name="line.33"></a> |
| <span class="sourceLineNo">034</span>import org.junit.experimental.categories.Category;<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> * Test scan/get offset and limit settings within one row through HRegion API.<a name="line.37"></a> |
| <span class="sourceLineNo">038</span> */<a name="line.38"></a> |
| <span class="sourceLineNo">039</span>@Category({ SmallTests.class, ClientTests.class })<a name="line.39"></a> |
| <span class="sourceLineNo">040</span>public class TestIntraRowPagination {<a name="line.40"></a> |
| <span class="sourceLineNo">041</span><a name="line.41"></a> |
| <span class="sourceLineNo">042</span> @ClassRule<a name="line.42"></a> |
| <span class="sourceLineNo">043</span> public static final HBaseClassTestRule CLASS_RULE =<a name="line.43"></a> |
| <span class="sourceLineNo">044</span> HBaseClassTestRule.forClass(TestIntraRowPagination.class);<a name="line.44"></a> |
| <span class="sourceLineNo">045</span><a name="line.45"></a> |
| <span class="sourceLineNo">046</span> private static HBaseTestingUtil TEST_UTIL = new HBaseTestingUtil();<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> * Test from client side for scan with maxResultPerCF set<a name="line.49"></a> |
| <span class="sourceLineNo">050</span> */<a name="line.50"></a> |
| <span class="sourceLineNo">051</span> @Test<a name="line.51"></a> |
| <span class="sourceLineNo">052</span> public void testScanLimitAndOffset() throws Exception {<a name="line.52"></a> |
| <span class="sourceLineNo">053</span> // byte [] TABLE = HTestConst.DEFAULT_TABLE_BYTES;<a name="line.53"></a> |
| <span class="sourceLineNo">054</span> byte[][] ROWS = HTestConst.makeNAscii(HTestConst.DEFAULT_ROW_BYTES, 2);<a name="line.54"></a> |
| <span class="sourceLineNo">055</span> byte[][] FAMILIES = HTestConst.makeNAscii(HTestConst.DEFAULT_CF_BYTES, 3);<a name="line.55"></a> |
| <span class="sourceLineNo">056</span> byte[][] QUALIFIERS = HTestConst.makeNAscii(HTestConst.DEFAULT_QUALIFIER_BYTES, 10);<a name="line.56"></a> |
| <span class="sourceLineNo">057</span><a name="line.57"></a> |
| <span class="sourceLineNo">058</span> TableDescriptorBuilder builder =<a name="line.58"></a> |
| <span class="sourceLineNo">059</span> TableDescriptorBuilder.newBuilder(TableName.valueOf(HTestConst.DEFAULT_TABLE_BYTES));<a name="line.59"></a> |
| <span class="sourceLineNo">060</span><a name="line.60"></a> |
| <span class="sourceLineNo">061</span> RegionInfo info = RegionInfoBuilder.newBuilder(HTestConst.DEFAULT_TABLE).build();<a name="line.61"></a> |
| <span class="sourceLineNo">062</span> for (byte[] family : FAMILIES) {<a name="line.62"></a> |
| <span class="sourceLineNo">063</span> builder.setColumnFamily(ColumnFamilyDescriptorBuilder.of(family));<a name="line.63"></a> |
| <span class="sourceLineNo">064</span> }<a name="line.64"></a> |
| <span class="sourceLineNo">065</span> HRegion region = HBaseTestingUtil.createRegionAndWAL(info, TEST_UTIL.getDataTestDir(),<a name="line.65"></a> |
| <span class="sourceLineNo">066</span> TEST_UTIL.getConfiguration(), builder.build());<a name="line.66"></a> |
| <span class="sourceLineNo">067</span> try {<a name="line.67"></a> |
| <span class="sourceLineNo">068</span> Put put;<a name="line.68"></a> |
| <span class="sourceLineNo">069</span> Scan scan;<a name="line.69"></a> |
| <span class="sourceLineNo">070</span> Result result;<a name="line.70"></a> |
| <span class="sourceLineNo">071</span> boolean toLog = true;<a name="line.71"></a> |
| <span class="sourceLineNo">072</span><a name="line.72"></a> |
| <span class="sourceLineNo">073</span> List<Cell> kvListExp = new ArrayList<>();<a name="line.73"></a> |
| <span class="sourceLineNo">074</span><a name="line.74"></a> |
| <span class="sourceLineNo">075</span> int storeOffset = 1;<a name="line.75"></a> |
| <span class="sourceLineNo">076</span> int storeLimit = 3;<a name="line.76"></a> |
| <span class="sourceLineNo">077</span> for (int r = 0; r < ROWS.length; r++) {<a name="line.77"></a> |
| <span class="sourceLineNo">078</span> put = new Put(ROWS[r]);<a name="line.78"></a> |
| <span class="sourceLineNo">079</span> for (int c = 0; c < FAMILIES.length; c++) {<a name="line.79"></a> |
| <span class="sourceLineNo">080</span> for (int q = 0; q < QUALIFIERS.length; q++) {<a name="line.80"></a> |
| <span class="sourceLineNo">081</span> KeyValue kv =<a name="line.81"></a> |
| <span class="sourceLineNo">082</span> new KeyValue(ROWS[r], FAMILIES[c], QUALIFIERS[q], 1, HTestConst.DEFAULT_VALUE_BYTES);<a name="line.82"></a> |
| <span class="sourceLineNo">083</span> put.add(kv);<a name="line.83"></a> |
| <span class="sourceLineNo">084</span> if (storeOffset <= q && q < storeOffset + storeLimit) {<a name="line.84"></a> |
| <span class="sourceLineNo">085</span> kvListExp.add(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> region.put(put);<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> scan = new Scan();<a name="line.92"></a> |
| <span class="sourceLineNo">093</span> scan.setRowOffsetPerColumnFamily(storeOffset);<a name="line.93"></a> |
| <span class="sourceLineNo">094</span> scan.setMaxResultsPerColumnFamily(storeLimit);<a name="line.94"></a> |
| <span class="sourceLineNo">095</span> RegionScanner scanner = region.getScanner(scan);<a name="line.95"></a> |
| <span class="sourceLineNo">096</span> List<Cell> kvListScan = new ArrayList<>();<a name="line.96"></a> |
| <span class="sourceLineNo">097</span> List<Cell> results = new ArrayList<>();<a name="line.97"></a> |
| <span class="sourceLineNo">098</span> while (scanner.next(results) || !results.isEmpty()) {<a name="line.98"></a> |
| <span class="sourceLineNo">099</span> kvListScan.addAll(results);<a name="line.99"></a> |
| <span class="sourceLineNo">100</span> results.clear();<a name="line.100"></a> |
| <span class="sourceLineNo">101</span> }<a name="line.101"></a> |
| <span class="sourceLineNo">102</span> result = Result.create(kvListScan);<a name="line.102"></a> |
| <span class="sourceLineNo">103</span> TestScannersFromClientSide.verifyResult(result, kvListExp, toLog,<a name="line.103"></a> |
| <span class="sourceLineNo">104</span> "Testing scan with storeOffset and storeLimit");<a name="line.104"></a> |
| <span class="sourceLineNo">105</span> } finally {<a name="line.105"></a> |
| <span class="sourceLineNo">106</span> HBaseTestingUtil.closeRegionAndWAL(region);<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>}<a name="line.110"></a> |
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| </pre> |
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