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<a name="1" href="#1">1</a>   <em class="jxr_javadoccomment">/**</em>
<a name="2" href="#2">2</a>   <em class="jxr_javadoccomment"> * Copyright 2010 The Apache Software Foundation</em>
<a name="3" href="#3">3</a>   <em class="jxr_javadoccomment"> *</em>
<a name="4" href="#4">4</a>   <em class="jxr_javadoccomment"> * Licensed to the Apache Software Foundation (ASF) under one</em>
<a name="5" href="#5">5</a>   <em class="jxr_javadoccomment"> * or more contributor license agreements.  See the NOTICE file</em>
<a name="6" href="#6">6</a>   <em class="jxr_javadoccomment"> * distributed with this work for additional information</em>
<a name="7" href="#7">7</a>   <em class="jxr_javadoccomment"> * regarding copyright ownership.  The ASF licenses this file</em>
<a name="8" href="#8">8</a>   <em class="jxr_javadoccomment"> * to you under the Apache License, Version 2.0 (the</em>
<a name="9" href="#9">9</a>   <em class="jxr_javadoccomment"> * "License"); you may not use this file except in compliance</em>
<a name="10" href="#10">10</a>  <em class="jxr_javadoccomment"> * with the License.  You may obtain a copy of the License at</em>
<a name="11" href="#11">11</a>  <em class="jxr_javadoccomment"> *</em>
<a name="12" href="#12">12</a>  <em class="jxr_javadoccomment"> *     <a href="http://www.apache.org/licenses/LICENSE-2.0" target="alexandria_uri">http://www.apache.org/licenses/LICENSE-2.0</a></em>
<a name="13" href="#13">13</a>  <em class="jxr_javadoccomment"> *</em>
<a name="14" href="#14">14</a>  <em class="jxr_javadoccomment"> * Unless required by applicable law or agreed to in writing, software</em>
<a name="15" href="#15">15</a>  <em class="jxr_javadoccomment"> * distributed under the License is distributed on an "AS IS" BASIS,</em>
<a name="16" href="#16">16</a>  <em class="jxr_javadoccomment"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</em>
<a name="17" href="#17">17</a>  <em class="jxr_javadoccomment"> * See the License for the specific language governing permissions and</em>
<a name="18" href="#18">18</a>  <em class="jxr_javadoccomment"> * limitations under the License.</em>
<a name="19" href="#19">19</a>  <em class="jxr_javadoccomment"> */</em>
<a name="20" href="#20">20</a>  <strong class="jxr_keyword">package</strong> org.apache.hadoop.hbase.regionserver;
<a name="21" href="#21">21</a>  
<a name="22" href="#22">22</a>  <strong class="jxr_keyword">import</strong> com.google.common.collect.Lists;
<a name="23" href="#23">23</a>  <strong class="jxr_keyword">import</strong> org.apache.hadoop.conf.Configuration;
<a name="24" href="#24">24</a>  <strong class="jxr_keyword">import</strong> org.apache.hadoop.fs.FileSystem;
<a name="25" href="#25">25</a>  <strong class="jxr_keyword">import</strong> org.apache.hadoop.fs.Path;
<a name="26" href="#26">26</a>  <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.*;
<a name="27" href="#27">27</a>  <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.client.Mutation;
<a name="28" href="#28">28</a>  <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.client.Put;
<a name="29" href="#29">29</a>  <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.io.HeapSize;
<a name="30" href="#30">30</a>  <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.regionserver.wal.HLog;
<a name="31" href="#31">31</a>  <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.util.Bytes;
<a name="32" href="#32">32</a>  <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.util.HashedBytes;
<a name="33" href="#33">33</a>  <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.util.Pair;
<a name="34" href="#34">34</a>  <strong class="jxr_keyword">import</strong> org.junit.Test;
<a name="35" href="#35">35</a>  <strong class="jxr_keyword">import</strong> org.junit.experimental.categories.Category;
<a name="36" href="#36">36</a>  
<a name="37" href="#37">37</a>  <strong class="jxr_keyword">import</strong> java.io.IOException;
<a name="38" href="#38">38</a>  <strong class="jxr_keyword">import</strong> java.util.List;
<a name="39" href="#39">39</a>  
<a name="40" href="#40">40</a>  <strong class="jxr_keyword">import</strong> <strong class="jxr_keyword">static</strong> org.junit.Assert.assertEquals;
<a name="41" href="#41">41</a>  
<a name="42" href="#42">42</a>  
<a name="43" href="#43">43</a>  @Category(SmallTests.<strong class="jxr_keyword">class</strong>)
<a name="44" href="#44">44</a>  <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../org/apache/hadoop/hbase/regionserver/TestBatchHRegionLockingAndWrites.html">TestBatchHRegionLockingAndWrites</a> {
<a name="45" href="#45">45</a>    <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> String FAMILY = <span class="jxr_string">"a"</span>;
<a name="46" href="#46">46</a>  
<a name="47" href="#47">47</a>    @Test
<a name="48" href="#48">48</a>    @SuppressWarnings(<span class="jxr_string">"unchecked"</span>)
<a name="49" href="#49">49</a>    <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testRedundantRowKeys() <strong class="jxr_keyword">throws</strong> Exception {
<a name="50" href="#50">50</a>  
<a name="51" href="#51">51</a>      <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> batchSize = 100000;
<a name="52" href="#52">52</a>  
<a name="53" href="#53">53</a>      String tableName = getClass().getSimpleName();
<a name="54" href="#54">54</a>      Configuration conf = HBaseConfiguration.create();
<a name="55" href="#55">55</a>      conf.setClass(HConstants.REGION_IMPL, MockHRegion.<strong class="jxr_keyword">class</strong>, HeapSize.<strong class="jxr_keyword">class</strong>);
<a name="56" href="#56">56</a>      <a href="../../../../../org/apache/hadoop/hbase/regionserver/TestHBase7051.html">MockHRegion</a> region = (MockHRegion) TestHRegion.initHRegion(Bytes.toBytes(tableName), tableName, conf, Bytes.toBytes(<span class="jxr_string">"a"</span>));
<a name="57" href="#57">57</a>  
<a name="58" href="#58">58</a>      List&lt;Pair&lt;Mutation, Integer&gt;&gt; someBatch = Lists.newArrayList();
<a name="59" href="#59">59</a>      <strong class="jxr_keyword">int</strong> i = 0;
<a name="60" href="#60">60</a>      <strong class="jxr_keyword">while</strong> (i &lt; batchSize) {
<a name="61" href="#61">61</a>        <strong class="jxr_keyword">if</strong> (i % 2 == 0) {
<a name="62" href="#62">62</a>          someBatch.add(<strong class="jxr_keyword">new</strong> Pair&lt;Mutation, Integer&gt;(<strong class="jxr_keyword">new</strong> Put(Bytes.toBytes(0)), <strong class="jxr_keyword">null</strong>));
<a name="63" href="#63">63</a>        } <strong class="jxr_keyword">else</strong> {
<a name="64" href="#64">64</a>          someBatch.add(<strong class="jxr_keyword">new</strong> Pair&lt;Mutation, Integer&gt;(<strong class="jxr_keyword">new</strong> Put(Bytes.toBytes(1)), <strong class="jxr_keyword">null</strong>));
<a name="65" href="#65">65</a>        }
<a name="66" href="#66">66</a>        i++;
<a name="67" href="#67">67</a>      }
<a name="68" href="#68">68</a>      <strong class="jxr_keyword">long</strong> start = System.nanoTime();
<a name="69" href="#69">69</a>      region.batchMutate(someBatch.toArray(<strong class="jxr_keyword">new</strong> Pair[0]));
<a name="70" href="#70">70</a>      <strong class="jxr_keyword">long</strong> duration = System.nanoTime() - start;
<a name="71" href="#71">71</a>      System.out.println(<span class="jxr_string">"Batch mutate took: "</span> + duration + <span class="jxr_string">"ns"</span>);
<a name="72" href="#72">72</a>      assertEquals(2, region.getAcquiredLockCount());
<a name="73" href="#73">73</a>    }
<a name="74" href="#74">74</a>  
<a name="75" href="#75">75</a>    @Test
<a name="76" href="#76">76</a>    <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testGettingTheLockMatchesMyRow() <strong class="jxr_keyword">throws</strong> Exception {
<a name="77" href="#77">77</a>      <a href="../../../../../org/apache/hadoop/hbase/regionserver/TestHBase7051.html">MockHRegion</a> region = getMockHRegion();
<a name="78" href="#78">78</a>      HashedBytes rowKey = <strong class="jxr_keyword">new</strong> HashedBytes(Bytes.toBytes(1));
<a name="79" href="#79">79</a>      assertEquals(Integer.valueOf(2), region.getLock(<strong class="jxr_keyword">null</strong>, rowKey, false));
<a name="80" href="#80">80</a>      assertEquals(Integer.valueOf(2), region.getLock(2, rowKey, false));
<a name="81" href="#81">81</a>    }
<a name="82" href="#82">82</a>  
<a name="83" href="#83">83</a>    <strong class="jxr_keyword">private</strong> <a href="../../../../../org/apache/hadoop/hbase/regionserver/TestHBase7051.html">MockHRegion</a> getMockHRegion() <strong class="jxr_keyword">throws</strong> IOException {
<a name="84" href="#84">84</a>      String tableName = getClass().getSimpleName();
<a name="85" href="#85">85</a>      Configuration conf = HBaseConfiguration.create();
<a name="86" href="#86">86</a>      conf.setClass(HConstants.REGION_IMPL, MockHRegion.<strong class="jxr_keyword">class</strong>, HeapSize.<strong class="jxr_keyword">class</strong>);
<a name="87" href="#87">87</a>      <strong class="jxr_keyword">return</strong> (MockHRegion) TestHRegion.initHRegion(Bytes.toBytes(tableName), tableName, conf, Bytes.toBytes(FAMILY));
<a name="88" href="#88">88</a>    }
<a name="89" href="#89">89</a>  
<a name="90" href="#90">90</a>    <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../org/apache/hadoop/hbase/regionserver/TestHBase7051.html">MockHRegion</a> <strong class="jxr_keyword">extends</strong> HRegion {
<a name="91" href="#91">91</a>      <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">int</strong> acqioredLockCount = 0;
<a name="92" href="#92">92</a>  
<a name="93" href="#93">93</a>      <strong class="jxr_keyword">public</strong> <a href="../../../../../org/apache/hadoop/hbase/regionserver/TestHBase7051.html">MockHRegion</a>(Path tableDir, HLog log, FileSystem fs, Configuration conf, <strong class="jxr_keyword">final</strong> HRegionInfo regionInfo, <strong class="jxr_keyword">final</strong> HTableDescriptor htd, RegionServerServices rsServices) {
<a name="94" href="#94">94</a>        <strong class="jxr_keyword">super</strong>(tableDir, log, fs, conf, regionInfo, htd, rsServices);
<a name="95" href="#95">95</a>      }
<a name="96" href="#96">96</a>  
<a name="97" href="#97">97</a>      <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">int</strong> getAcquiredLockCount() {
<a name="98" href="#98">98</a>        <strong class="jxr_keyword">return</strong> acqioredLockCount;
<a name="99" href="#99">99</a>      }
<a name="100" href="#100">100</a> 
<a name="101" href="#101">101</a>     @Override
<a name="102" href="#102">102</a>     <strong class="jxr_keyword">public</strong> Integer getLock(Integer lockid, HashedBytes row, <strong class="jxr_keyword">boolean</strong> waitForLock) <strong class="jxr_keyword">throws</strong> IOException {
<a name="103" href="#103">103</a>       acqioredLockCount++;
<a name="104" href="#104">104</a>       <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">super</strong>.getLock(lockid, row, waitForLock);
<a name="105" href="#105">105</a>     }
<a name="106" href="#106">106</a>   }
<a name="107" href="#107">107</a> }
</pre>
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