http://git-wip-us.apache.org/repos/asf/hbase-site/blob/7b604147/xref-test/org/apache/hadoop/hbase/TestPartialResultsFromClientSide.html ---------------------------------------------------------------------- diff --git a/xref-test/org/apache/hadoop/hbase/TestPartialResultsFromClientSide.html b/xref-test/org/apache/hadoop/hbase/TestPartialResultsFromClientSide.html deleted file mode 100644 index 0e87f3e..0000000 --- a/xref-test/org/apache/hadoop/hbase/TestPartialResultsFromClientSide.html +++ /dev/null @@ -1,1082 +0,0 @@ -<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd";> -<html xmlns="http://www.w3.org/1999/xhtml"; xml:lang="en" lang="en"> -<head> -<meta http-equiv="content-type" content="text/html; charset=UTF-8" /> -<title>TestPartialResultsFromClientSide xref</title> -<link type="text/css" rel="stylesheet" href="../../../../stylesheet.css" /> -</head> -<body> -<div id="overview"><a href="../../../../../testdevapidocs/org/apache/hadoop/hbase/TestPartialResultsFromClientSide.html">View Javadoc</a></div><pre> - -<a class="jxr_linenumber" name="1" href="#1">1</a> <em class="jxr_javadoccomment">/**</em> -<a class="jxr_linenumber" name="2" href="#2">2</a> <em class="jxr_javadoccomment"> * Licensed to the Apache Software Foundation (ASF) under one</em> -<a class="jxr_linenumber" name="3" href="#3">3</a> <em class="jxr_javadoccomment"> * or more contributor license agreements. See the NOTICE file</em> -<a class="jxr_linenumber" name="4" href="#4">4</a> <em class="jxr_javadoccomment"> * distributed with this work for additional information</em> -<a class="jxr_linenumber" name="5" href="#5">5</a> <em class="jxr_javadoccomment"> * regarding copyright ownership. The ASF licenses this file</em> -<a class="jxr_linenumber" name="6" href="#6">6</a> <em class="jxr_javadoccomment"> * to you under the Apache License, Version 2.0 (the</em> -<a class="jxr_linenumber" name="7" href="#7">7</a> <em class="jxr_javadoccomment"> * "License"); you may not use this file except in compliance</em> -<a class="jxr_linenumber" name="8" href="#8">8</a> <em class="jxr_javadoccomment"> * with the License. You may obtain a copy of the License at</em> -<a class="jxr_linenumber" name="9" href="#9">9</a> <em class="jxr_javadoccomment"> *</em> -<a class="jxr_linenumber" name="10" href="#10">10</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 class="jxr_linenumber" name="11" href="#11">11</a> <em class="jxr_javadoccomment"> *</em> -<a class="jxr_linenumber" name="12" href="#12">12</a> <em class="jxr_javadoccomment"> * Unless required by applicable law or agreed to in writing, software</em> -<a class="jxr_linenumber" name="13" href="#13">13</a> <em class="jxr_javadoccomment"> * distributed under the License is distributed on an "AS IS" BASIS,</em> -<a class="jxr_linenumber" name="14" href="#14">14</a> <em class="jxr_javadoccomment"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</em> -<a class="jxr_linenumber" name="15" href="#15">15</a> <em class="jxr_javadoccomment"> * See the License for the specific language governing permissions and</em> -<a class="jxr_linenumber" name="16" href="#16">16</a> <em class="jxr_javadoccomment"> * limitations under the License.</em> -<a class="jxr_linenumber" name="17" href="#17">17</a> <em class="jxr_javadoccomment"> */</em> -<a class="jxr_linenumber" name="18" href="#18">18</a> <strong class="jxr_keyword">package</strong> org.apache.hadoop.hbase; -<a class="jxr_linenumber" name="19" href="#19">19</a> -<a class="jxr_linenumber" name="20" href="#20">20</a> <strong class="jxr_keyword">import</strong> <strong class="jxr_keyword">static</strong> org.junit.Assert.assertArrayEquals; -<a class="jxr_linenumber" name="21" href="#21">21</a> <strong class="jxr_keyword">import</strong> <strong class="jxr_keyword">static</strong> org.junit.Assert.assertEquals; -<a class="jxr_linenumber" name="22" href="#22">22</a> <strong class="jxr_keyword">import</strong> <strong class="jxr_keyword">static</strong> org.junit.Assert.assertFalse; -<a class="jxr_linenumber" name="23" href="#23">23</a> <strong class="jxr_keyword">import</strong> <strong class="jxr_keyword">static</strong> org.junit.Assert.assertTrue; -<a class="jxr_linenumber" name="24" href="#24">24</a> <strong class="jxr_keyword">import</strong> <strong class="jxr_keyword">static</strong> org.junit.Assert.fail; -<a class="jxr_linenumber" name="25" href="#25">25</a> -<a class="jxr_linenumber" name="26" href="#26">26</a> <strong class="jxr_keyword">import</strong> java.io.IOException; -<a class="jxr_linenumber" name="27" href="#27">27</a> <strong class="jxr_keyword">import</strong> java.util.ArrayList; -<a class="jxr_linenumber" name="28" href="#28">28</a> <strong class="jxr_keyword">import</strong> java.util.LinkedHashSet; -<a class="jxr_linenumber" name="29" href="#29">29</a> <strong class="jxr_keyword">import</strong> java.util.List; -<a class="jxr_linenumber" name="30" href="#30">30</a> <strong class="jxr_keyword">import</strong> java.util.Set; -<a class="jxr_linenumber" name="31" href="#31">31</a> -<a class="jxr_linenumber" name="32" href="#32">32</a> <strong class="jxr_keyword">import</strong> org.apache.commons.logging.Log; -<a class="jxr_linenumber" name="33" href="#33">33</a> <strong class="jxr_keyword">import</strong> org.apache.commons.logging.LogFactory; -<a class="jxr_linenumber" name="34" href="#34">34</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.client.ClientScanner; -<a class="jxr_linenumber" name="35" href="#35">35</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.client.Delete; -<a class="jxr_linenumber" name="36" href="#36">36</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.client.Put; -<a class="jxr_linenumber" name="37" href="#37">37</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.client.Result; -<a class="jxr_linenumber" name="38" href="#38">38</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.client.ResultScanner; -<a class="jxr_linenumber" name="39" href="#39">39</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.client.Scan; -<a class="jxr_linenumber" name="40" href="#40">40</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.client.Table; -<a class="jxr_linenumber" name="41" href="#41">41</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.filter.ColumnPrefixFilter; -<a class="jxr_linenumber" name="42" href="#42">42</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.filter.ColumnRangeFilter; -<a class="jxr_linenumber" name="43" href="#43">43</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.filter.Filter; -<a class="jxr_linenumber" name="44" href="#44">44</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.filter.FirstKeyOnlyFilter; -<a class="jxr_linenumber" name="45" href="#45">45</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.filter.FirstKeyValueMatchingQualifiersFilter; -<a class="jxr_linenumber" name="46" href="#46">46</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.filter.RandomRowFilter; -<a class="jxr_linenumber" name="47" href="#47">47</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.testclassification.MediumTests; -<a class="jxr_linenumber" name="48" href="#48">48</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.util.Bytes; -<a class="jxr_linenumber" name="49" href="#49">49</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.util.ClassSize; -<a class="jxr_linenumber" name="50" href="#50">50</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.util.Pair; -<a class="jxr_linenumber" name="51" href="#51">51</a> <strong class="jxr_keyword">import</strong> org.junit.AfterClass; -<a class="jxr_linenumber" name="52" href="#52">52</a> <strong class="jxr_keyword">import</strong> org.junit.BeforeClass; -<a class="jxr_linenumber" name="53" href="#53">53</a> <strong class="jxr_keyword">import</strong> org.junit.Test; -<a class="jxr_linenumber" name="54" href="#54">54</a> <strong class="jxr_keyword">import</strong> org.junit.experimental.categories.Category; -<a class="jxr_linenumber" name="55" href="#55">55</a> -<a class="jxr_linenumber" name="56" href="#56">56</a> <em class="jxr_javadoccomment">/**</em> -<a class="jxr_linenumber" name="57" href="#57">57</a> <em class="jxr_javadoccomment"> * These tests are focused on testing how partial results appear to a client. Partial results are</em> -<a class="jxr_linenumber" name="58" href="#58">58</a> <em class="jxr_javadoccomment"> * {@link Result}s that contain only a portion of a row's complete list of cells. Partial results</em> -<a class="jxr_linenumber" name="59" href="#59">59</a> <em class="jxr_javadoccomment"> * are formed when the server breaches its maximum result size when trying to service a client's RPC</em> -<a class="jxr_linenumber" name="60" href="#60">60</a> <em class="jxr_javadoccomment"> * request. It is the responsibility of the scanner on the client side to recognize when partial</em> -<a class="jxr_linenumber" name="61" href="#61">61</a> <em class="jxr_javadoccomment"> * results have been returned and to take action to form the complete results.</em> -<a class="jxr_linenumber" name="62" href="#62">62</a> <em class="jxr_javadoccomment"> * <p></em> -<a class="jxr_linenumber" name="63" href="#63">63</a> <em class="jxr_javadoccomment"> * Unless the flag {@link Scan#setAllowPartialResults(boolean)} has been set to true, the caller of</em> -<a class="jxr_linenumber" name="64" href="#64">64</a> <em class="jxr_javadoccomment"> * {@link ResultScanner#next()} should never see partial results.</em> -<a class="jxr_linenumber" name="65" href="#65">65</a> <em class="jxr_javadoccomment"> */</em> -<a class="jxr_linenumber" name="66" href="#66">66</a> @Category(MediumTests.<strong class="jxr_keyword">class</strong>) -<a class="jxr_linenumber" name="67" href="#67">67</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../org/apache/hadoop/hbase/TestPartialResultsFromClientSide.html">TestPartialResultsFromClientSide</a> { -<a class="jxr_linenumber" name="68" href="#68">68</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> Log LOG = LogFactory.getLog(TestPartialResultsFromClientSide.<strong class="jxr_keyword">class</strong>); -<a class="jxr_linenumber" name="69" href="#69">69</a> -<a class="jxr_linenumber" name="70" href="#70">70</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">static</strong> <a href="../../../../org/apache/hadoop/hbase/HBaseTestingUtility.html">HBaseTestingUtility</a> TEST_UTIL = <strong class="jxr_keyword">new</strong> <a href="../../../../org/apache/hadoop/hbase/HBaseTestingUtility.html">HBaseTestingUtility</a>(); -<a class="jxr_linenumber" name="71" href="#71">71</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">int</strong> MINICLUSTER_SIZE = 5; -<a class="jxr_linenumber" name="72" href="#72">72</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> Table TABLE = <strong class="jxr_keyword">null</strong>; -<a class="jxr_linenumber" name="73" href="#73">73</a> -<a class="jxr_linenumber" name="74" href="#74">74</a> <em class="jxr_javadoccomment">/**</em> -<a class="jxr_linenumber" name="75" href="#75">75</a> <em class="jxr_javadoccomment"> * Table configuration</em> -<a class="jxr_linenumber" name="76" href="#76">76</a> <em class="jxr_javadoccomment"> */</em> -<a class="jxr_linenumber" name="77" href="#77">77</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> TableName TABLE_NAME = TableName.valueOf(<span class="jxr_string">"testTable"</span>); -<a class="jxr_linenumber" name="78" href="#78">78</a> -<a class="jxr_linenumber" name="79" href="#79">79</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">int</strong> NUM_ROWS = 5; -<a class="jxr_linenumber" name="80" href="#80">80</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> byte[] ROW = Bytes.toBytes(<span class="jxr_string">"testRow"</span>); -<a class="jxr_linenumber" name="81" href="#81">81</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> byte[][] ROWS = HTestConst.makeNAscii(ROW, NUM_ROWS); -<a class="jxr_linenumber" name="82" href="#82">82</a> -<a class="jxr_linenumber" name="83" href="#83">83</a> <em class="jxr_comment">// Should keep this value below 10 to keep generation of expected kv's simple. If above 10 then</em> -<a class="jxr_linenumber" name="84" href="#84">84</a> <em class="jxr_comment">// table/row/cf1/... will be followed by table/row/cf10/... instead of table/row/cf2/... which</em> -<a class="jxr_linenumber" name="85" href="#85">85</a> <em class="jxr_comment">// breaks the simple generation of expected kv's</em> -<a class="jxr_linenumber" name="86" href="#86">86</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">int</strong> NUM_FAMILIES = 10; -<a class="jxr_linenumber" name="87" href="#87">87</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> byte[] FAMILY = Bytes.toBytes(<span class="jxr_string">"testFamily"</span>); -<a class="jxr_linenumber" name="88" href="#88">88</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> byte[][] FAMILIES = HTestConst.makeNAscii(FAMILY, NUM_FAMILIES); -<a class="jxr_linenumber" name="89" href="#89">89</a> -<a class="jxr_linenumber" name="90" href="#90">90</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">int</strong> NUM_QUALIFIERS = 10; -<a class="jxr_linenumber" name="91" href="#91">91</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> byte[] QUALIFIER = Bytes.toBytes(<span class="jxr_string">"testQualifier"</span>); -<a class="jxr_linenumber" name="92" href="#92">92</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> byte[][] QUALIFIERS = HTestConst.makeNAscii(QUALIFIER, NUM_QUALIFIERS); -<a class="jxr_linenumber" name="93" href="#93">93</a> -<a class="jxr_linenumber" name="94" href="#94">94</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">int</strong> VALUE_SIZE = 1024; -<a class="jxr_linenumber" name="95" href="#95">95</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> byte[] VALUE = Bytes.createMaxByteArray(VALUE_SIZE); -<a class="jxr_linenumber" name="96" href="#96">96</a> -<a class="jxr_linenumber" name="97" href="#97">97</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">int</strong> NUM_COLS = NUM_FAMILIES * NUM_QUALIFIERS; -<a class="jxr_linenumber" name="98" href="#98">98</a> -<a class="jxr_linenumber" name="99" href="#99">99</a> <em class="jxr_comment">// Approximation of how large the heap size of cells in our table. Should be accessed through</em> -<a class="jxr_linenumber" name="100" href="#100">100</a> <em class="jxr_comment">// getCellHeapSize().</em> -<a class="jxr_linenumber" name="101" href="#101">101</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">long</strong> CELL_HEAP_SIZE = -1; -<a class="jxr_linenumber" name="102" href="#102">102</a> -<a class="jxr_linenumber" name="103" href="#103">103</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">long</strong> timeout = 10000; -<a class="jxr_linenumber" name="104" href="#104">104</a> -<a class="jxr_linenumber" name="105" href="#105">105</a> @BeforeClass -<a class="jxr_linenumber" name="106" href="#106">106</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">void</strong> setUpBeforeClass() <strong class="jxr_keyword">throws</strong> Exception { -<a class="jxr_linenumber" name="107" href="#107">107</a> TEST_UTIL.getConfiguration().setLong(HConstants.HBASE_CLIENT_SCANNER_TIMEOUT_PERIOD, timeout); -<a class="jxr_linenumber" name="108" href="#108">108</a> TEST_UTIL.startMiniCluster(MINICLUSTER_SIZE); -<a class="jxr_linenumber" name="109" href="#109">109</a> TEST_UTIL.getAdmin().setBalancerRunning(false, <strong class="jxr_keyword">true</strong>); -<a class="jxr_linenumber" name="110" href="#110">110</a> TABLE = createTestTable(TABLE_NAME, ROWS, FAMILIES, QUALIFIERS, VALUE); -<a class="jxr_linenumber" name="111" href="#111">111</a> } -<a class="jxr_linenumber" name="112" href="#112">112</a> -<a class="jxr_linenumber" name="113" href="#113">113</a> <strong class="jxr_keyword">static</strong> Table createTestTable(TableName name, byte[][] rows, byte[][] families, -<a class="jxr_linenumber" name="114" href="#114">114</a> byte[][] qualifiers, byte[] cellValue) <strong class="jxr_keyword">throws</strong> IOException { -<a class="jxr_linenumber" name="115" href="#115">115</a> Table ht = TEST_UTIL.createTable(name, families); -<a class="jxr_linenumber" name="116" href="#116">116</a> List<Put> puts = createPuts(rows, families, qualifiers, cellValue); -<a class="jxr_linenumber" name="117" href="#117">117</a> ht.put(puts); -<a class="jxr_linenumber" name="118" href="#118">118</a> -<a class="jxr_linenumber" name="119" href="#119">119</a> <strong class="jxr_keyword">return</strong> ht; -<a class="jxr_linenumber" name="120" href="#120">120</a> } -<a class="jxr_linenumber" name="121" href="#121">121</a> -<a class="jxr_linenumber" name="122" href="#122">122</a> @AfterClass -<a class="jxr_linenumber" name="123" href="#123">123</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">void</strong> tearDownAfterClass() <strong class="jxr_keyword">throws</strong> Exception { -<a class="jxr_linenumber" name="124" href="#124">124</a> TEST_UTIL.shutdownMiniCluster(); -<a class="jxr_linenumber" name="125" href="#125">125</a> } -<a class="jxr_linenumber" name="126" href="#126">126</a> -<a class="jxr_linenumber" name="127" href="#127">127</a> <em class="jxr_javadoccomment">/**</em> -<a class="jxr_linenumber" name="128" href="#128">128</a> <em class="jxr_javadoccomment"> * Ensure that the expected key values appear in a result returned from a scanner that is</em> -<a class="jxr_linenumber" name="129" href="#129">129</a> <em class="jxr_javadoccomment"> * combining partial results into complete results</em> -<a class="jxr_linenumber" name="130" href="#130">130</a> <em class="jxr_javadoccomment"> * @throws Exception</em> -<a class="jxr_linenumber" name="131" href="#131">131</a> <em class="jxr_javadoccomment"> */</em> -<a class="jxr_linenumber" name="132" href="#132">132</a> @Test -<a class="jxr_linenumber" name="133" href="#133">133</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testExpectedValuesOfPartialResults() <strong class="jxr_keyword">throws</strong> Exception { -<a class="jxr_linenumber" name="134" href="#134">134</a> testExpectedValuesOfPartialResults(false); -<a class="jxr_linenumber" name="135" href="#135">135</a> testExpectedValuesOfPartialResults(<strong class="jxr_keyword">true</strong>); -<a class="jxr_linenumber" name="136" href="#136">136</a> } -<a class="jxr_linenumber" name="137" href="#137">137</a> -<a class="jxr_linenumber" name="138" href="#138">138</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testExpectedValuesOfPartialResults(<strong class="jxr_keyword">boolean</strong> reversed) <strong class="jxr_keyword">throws</strong> Exception { -<a class="jxr_linenumber" name="139" href="#139">139</a> Scan partialScan = <strong class="jxr_keyword">new</strong> Scan(); -<a class="jxr_linenumber" name="140" href="#140">140</a> partialScan.setMaxVersions(); -<a class="jxr_linenumber" name="141" href="#141">141</a> <em class="jxr_comment">// Max result size of 1 ensures that each RPC request will return a single cell. The scanner</em> -<a class="jxr_linenumber" name="142" href="#142">142</a> <em class="jxr_comment">// will need to reconstruct the results into a complete result before returning to the caller</em> -<a class="jxr_linenumber" name="143" href="#143">143</a> partialScan.setMaxResultSize(1); -<a class="jxr_linenumber" name="144" href="#144">144</a> partialScan.setReversed(reversed); -<a class="jxr_linenumber" name="145" href="#145">145</a> ResultScanner partialScanner = TABLE.getScanner(partialScan); -<a class="jxr_linenumber" name="146" href="#146">146</a> -<a class="jxr_linenumber" name="147" href="#147">147</a> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> startRow = reversed ? ROWS.length - 1 : 0; -<a class="jxr_linenumber" name="148" href="#148">148</a> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> endRow = reversed ? -1 : ROWS.length; -<a class="jxr_linenumber" name="149" href="#149">149</a> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> loopDelta = reversed ? -1 : 1; -<a class="jxr_linenumber" name="150" href="#150">150</a> String message; -<a class="jxr_linenumber" name="151" href="#151">151</a> -<a class="jxr_linenumber" name="152" href="#152">152</a> <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> row = startRow; row != endRow; row = row + loopDelta) { -<a class="jxr_linenumber" name="153" href="#153">153</a> message = <span class="jxr_string">"Ensuring the expected keyValues are present for row "</span> + row; -<a class="jxr_linenumber" name="154" href="#154">154</a> List<Cell> expectedKeyValues = createKeyValuesForRow(ROWS[row], FAMILIES, QUALIFIERS, VALUE); -<a class="jxr_linenumber" name="155" href="#155">155</a> Result result = partialScanner.next(); -<a class="jxr_linenumber" name="156" href="#156">156</a> assertFalse(result.isPartial()); -<a class="jxr_linenumber" name="157" href="#157">157</a> verifyResult(result, expectedKeyValues, message); -<a class="jxr_linenumber" name="158" href="#158">158</a> } -<a class="jxr_linenumber" name="159" href="#159">159</a> -<a class="jxr_linenumber" name="160" href="#160">160</a> partialScanner.close(); -<a class="jxr_linenumber" name="161" href="#161">161</a> } -<a class="jxr_linenumber" name="162" href="#162">162</a> -<a class="jxr_linenumber" name="163" href="#163">163</a> <em class="jxr_javadoccomment">/**</em> -<a class="jxr_linenumber" name="164" href="#164">164</a> <em class="jxr_javadoccomment"> * Ensure that we only see Results marked as partial when the allowPartial flag is set</em> -<a class="jxr_linenumber" name="165" href="#165">165</a> <em class="jxr_javadoccomment"> * @throws Exception</em> -<a class="jxr_linenumber" name="166" href="#166">166</a> <em class="jxr_javadoccomment"> */</em> -<a class="jxr_linenumber" name="167" href="#167">167</a> @Test -<a class="jxr_linenumber" name="168" href="#168">168</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testAllowPartialResults() <strong class="jxr_keyword">throws</strong> Exception { -<a class="jxr_linenumber" name="169" href="#169">169</a> Scan scan = <strong class="jxr_keyword">new</strong> Scan(); -<a class="jxr_linenumber" name="170" href="#170">170</a> scan.setAllowPartialResults(<strong class="jxr_keyword">true</strong>); -<a class="jxr_linenumber" name="171" href="#171">171</a> scan.setMaxResultSize(1); -<a class="jxr_linenumber" name="172" href="#172">172</a> ResultScanner scanner = TABLE.getScanner(scan); -<a class="jxr_linenumber" name="173" href="#173">173</a> Result result = scanner.next(); -<a class="jxr_linenumber" name="174" href="#174">174</a> -<a class="jxr_linenumber" name="175" href="#175">175</a> assertTrue(result != <strong class="jxr_keyword">null</strong>); -<a class="jxr_linenumber" name="176" href="#176">176</a> assertTrue(result.isPartial()); -<a class="jxr_linenumber" name="177" href="#177">177</a> assertTrue(result.rawCells() != <strong class="jxr_keyword">null</strong>); -<a class="jxr_linenumber" name="178" href="#178">178</a> assertTrue(result.rawCells().length == 1); -<a class="jxr_linenumber" name="179" href="#179">179</a> -<a class="jxr_linenumber" name="180" href="#180">180</a> scanner.close(); -<a class="jxr_linenumber" name="181" href="#181">181</a> -<a class="jxr_linenumber" name="182" href="#182">182</a> scan.setAllowPartialResults(false); -<a class="jxr_linenumber" name="183" href="#183">183</a> scanner = TABLE.getScanner(scan); -<a class="jxr_linenumber" name="184" href="#184">184</a> result = scanner.next(); -<a class="jxr_linenumber" name="185" href="#185">185</a> -<a class="jxr_linenumber" name="186" href="#186">186</a> assertTrue(result != <strong class="jxr_keyword">null</strong>); -<a class="jxr_linenumber" name="187" href="#187">187</a> assertTrue(!result.isPartial()); -<a class="jxr_linenumber" name="188" href="#188">188</a> assertTrue(result.rawCells() != <strong class="jxr_keyword">null</strong>); -<a class="jxr_linenumber" name="189" href="#189">189</a> assertTrue(result.rawCells().length == NUM_COLS); -<a class="jxr_linenumber" name="190" href="#190">190</a> -<a class="jxr_linenumber" name="191" href="#191">191</a> scanner.close(); -<a class="jxr_linenumber" name="192" href="#192">192</a> } -<a class="jxr_linenumber" name="193" href="#193">193</a> -<a class="jxr_linenumber" name="194" href="#194">194</a> <em class="jxr_javadoccomment">/**</em> -<a class="jxr_linenumber" name="195" href="#195">195</a> <em class="jxr_javadoccomment"> * Ensure that the results returned from a scanner that retrieves all results in a single RPC call</em> -<a class="jxr_linenumber" name="196" href="#196">196</a> <em class="jxr_javadoccomment"> * matches the results that are returned from a scanner that must incrementally combine partial</em> -<a class="jxr_linenumber" name="197" href="#197">197</a> <em class="jxr_javadoccomment"> * results into complete results. A variety of scan configurations can be tested</em> -<a class="jxr_linenumber" name="198" href="#198">198</a> <em class="jxr_javadoccomment"> * @throws Exception</em> -<a class="jxr_linenumber" name="199" href="#199">199</a> <em class="jxr_javadoccomment"> */</em> -<a class="jxr_linenumber" name="200" href="#200">200</a> @Test -<a class="jxr_linenumber" name="201" href="#201">201</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testEquivalenceOfScanResults() <strong class="jxr_keyword">throws</strong> Exception { -<a class="jxr_linenumber" name="202" href="#202">202</a> Scan oneShotScan = <strong class="jxr_keyword">new</strong> Scan(); -<a class="jxr_linenumber" name="203" href="#203">203</a> oneShotScan.setMaxResultSize(Long.MAX_VALUE); -<a class="jxr_linenumber" name="204" href="#204">204</a> -<a class="jxr_linenumber" name="205" href="#205">205</a> Scan partialScan = <strong class="jxr_keyword">new</strong> Scan(oneShotScan); -<a class="jxr_linenumber" name="206" href="#206">206</a> partialScan.setMaxResultSize(1); -<a class="jxr_linenumber" name="207" href="#207">207</a> -<a class="jxr_linenumber" name="208" href="#208">208</a> testEquivalenceOfScanResults(TABLE, oneShotScan, partialScan); -<a class="jxr_linenumber" name="209" href="#209">209</a> } -<a class="jxr_linenumber" name="210" href="#210">210</a> -<a class="jxr_linenumber" name="211" href="#211">211</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testEquivalenceOfScanResults(Table table, Scan scan1, Scan scan2) <strong class="jxr_keyword">throws</strong> Exception { -<a class="jxr_linenumber" name="212" href="#212">212</a> ResultScanner scanner1 = table.getScanner(scan1); -<a class="jxr_linenumber" name="213" href="#213">213</a> ResultScanner scanner2 = table.getScanner(scan2); -<a class="jxr_linenumber" name="214" href="#214">214</a> -<a class="jxr_linenumber" name="215" href="#215">215</a> Result r1 = <strong class="jxr_keyword">null</strong>; -<a class="jxr_linenumber" name="216" href="#216">216</a> Result r2 = <strong class="jxr_keyword">null</strong>; -<a class="jxr_linenumber" name="217" href="#217">217</a> <strong class="jxr_keyword">int</strong> count = 0; -<a class="jxr_linenumber" name="218" href="#218">218</a> -<a class="jxr_linenumber" name="219" href="#219">219</a> <strong class="jxr_keyword">while</strong> ((r1 = scanner1.next()) != <strong class="jxr_keyword">null</strong>) { -<a class="jxr_linenumber" name="220" href="#220">220</a> r2 = scanner2.next(); -<a class="jxr_linenumber" name="221" href="#221">221</a> -<a class="jxr_linenumber" name="222" href="#222">222</a> assertTrue(r2 != <strong class="jxr_keyword">null</strong>); -<a class="jxr_linenumber" name="223" href="#223">223</a> compareResults(r1, r2, <span class="jxr_string">"Comparing result #"</span> + count); -<a class="jxr_linenumber" name="224" href="#224">224</a> count++; -<a class="jxr_linenumber" name="225" href="#225">225</a> } -<a class="jxr_linenumber" name="226" href="#226">226</a> -<a class="jxr_linenumber" name="227" href="#227">227</a> r2 = scanner2.next(); -<a class="jxr_linenumber" name="228" href="#228">228</a> assertTrue(<span class="jxr_string">"r2: "</span> + r2 + <span class="jxr_string">" Should be null"</span>, r2 == <strong class="jxr_keyword">null</strong>); -<a class="jxr_linenumber" name="229" href="#229">229</a> -<a class="jxr_linenumber" name="230" href="#230">230</a> scanner1.close(); -<a class="jxr_linenumber" name="231" href="#231">231</a> scanner2.close(); -<a class="jxr_linenumber" name="232" href="#232">232</a> } -<a class="jxr_linenumber" name="233" href="#233">233</a> -<a class="jxr_linenumber" name="234" href="#234">234</a> <em class="jxr_javadoccomment">/**</em> -<a class="jxr_linenumber" name="235" href="#235">235</a> <em class="jxr_javadoccomment"> * Order of cells in partial results matches the ordering of cells from complete results</em> -<a class="jxr_linenumber" name="236" href="#236">236</a> <em class="jxr_javadoccomment"> * @throws Exception</em> -<a class="jxr_linenumber" name="237" href="#237">237</a> <em class="jxr_javadoccomment"> */</em> -<a class="jxr_linenumber" name="238" href="#238">238</a> @Test -<a class="jxr_linenumber" name="239" href="#239">239</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testOrderingOfCellsInPartialResults() <strong class="jxr_keyword">throws</strong> Exception { -<a class="jxr_linenumber" name="240" href="#240">240</a> Scan scan = <strong class="jxr_keyword">new</strong> Scan(); -<a class="jxr_linenumber" name="241" href="#241">241</a> -<a class="jxr_linenumber" name="242" href="#242">242</a> <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> col = 1; col <= NUM_COLS; col++) { -<a class="jxr_linenumber" name="243" href="#243">243</a> scan.setMaxResultSize(getResultSizeForNumberOfCells(col)); -<a class="jxr_linenumber" name="244" href="#244">244</a> testOrderingOfCellsInPartialResults(scan); -<a class="jxr_linenumber" name="245" href="#245">245</a> -<a class="jxr_linenumber" name="246" href="#246">246</a> <em class="jxr_comment">// Test again with a reversed scanner</em> -<a class="jxr_linenumber" name="247" href="#247">247</a> scan.setReversed(<strong class="jxr_keyword">true</strong>); -<a class="jxr_linenumber" name="248" href="#248">248</a> testOrderingOfCellsInPartialResults(scan); -<a class="jxr_linenumber" name="249" href="#249">249</a> } -<a class="jxr_linenumber" name="250" href="#250">250</a> } -<a class="jxr_linenumber" name="251" href="#251">251</a> -<a class="jxr_linenumber" name="252" href="#252">252</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testOrderingOfCellsInPartialResults(<strong class="jxr_keyword">final</strong> Scan basePartialScan) <strong class="jxr_keyword">throws</strong> Exception { -<a class="jxr_linenumber" name="253" href="#253">253</a> <em class="jxr_comment">// Scan that retrieves results in pieces (partials). By setting allowPartialResults to be true</em> -<a class="jxr_linenumber" name="254" href="#254">254</a> <em class="jxr_comment">// the results will NOT be reconstructed and instead the caller will see the partial results</em> -<a class="jxr_linenumber" name="255" href="#255">255</a> <em class="jxr_comment">// returned by the server</em> -<a class="jxr_linenumber" name="256" href="#256">256</a> Scan partialScan = <strong class="jxr_keyword">new</strong> Scan(basePartialScan); -<a class="jxr_linenumber" name="257" href="#257">257</a> partialScan.setAllowPartialResults(<strong class="jxr_keyword">true</strong>); -<a class="jxr_linenumber" name="258" href="#258">258</a> ResultScanner partialScanner = TABLE.getScanner(partialScan); -<a class="jxr_linenumber" name="259" href="#259">259</a> -<a class="jxr_linenumber" name="260" href="#260">260</a> <em class="jxr_comment">// Scan that retrieves all table results in single RPC request</em> -<a class="jxr_linenumber" name="261" href="#261">261</a> Scan oneShotScan = <strong class="jxr_keyword">new</strong> Scan(basePartialScan); -<a class="jxr_linenumber" name="262" href="#262">262</a> oneShotScan.setMaxResultSize(Long.MAX_VALUE); -<a class="jxr_linenumber" name="263" href="#263">263</a> oneShotScan.setCaching(ROWS.length); -<a class="jxr_linenumber" name="264" href="#264">264</a> ResultScanner oneShotScanner = TABLE.getScanner(oneShotScan); -<a class="jxr_linenumber" name="265" href="#265">265</a> -<a class="jxr_linenumber" name="266" href="#266">266</a> Result oneShotResult = oneShotScanner.next(); -<a class="jxr_linenumber" name="267" href="#267">267</a> Result partialResult = <strong class="jxr_keyword">null</strong>; -<a class="jxr_linenumber" name="268" href="#268">268</a> <strong class="jxr_keyword">int</strong> iterationCount = 0; -<a class="jxr_linenumber" name="269" href="#269">269</a> -<a class="jxr_linenumber" name="270" href="#270">270</a> <strong class="jxr_keyword">while</strong> (oneShotResult != <strong class="jxr_keyword">null</strong> && oneShotResult.rawCells() != <strong class="jxr_keyword">null</strong>) { -<a class="jxr_linenumber" name="271" href="#271">271</a> List<Cell> aggregatePartialCells = <strong class="jxr_keyword">new</strong> ArrayList<Cell>(); -<a class="jxr_linenumber" name="272" href="#272">272</a> <strong class="jxr_keyword">do</strong> { -<a class="jxr_linenumber" name="273" href="#273">273</a> partialResult = partialScanner.next(); -<a class="jxr_linenumber" name="274" href="#274">274</a> assertTrue(<span class="jxr_string">"Partial Result is null. iteration: "</span> + iterationCount, partialResult != <strong class="jxr_keyword">null</strong>); -<a class="jxr_linenumber" name="275" href="#275">275</a> assertTrue(<span class="jxr_string">"Partial cells are null. iteration: "</span> + iterationCount, -<a class="jxr_linenumber" name="276" href="#276">276</a> partialResult.rawCells() != <strong class="jxr_keyword">null</strong>); -<a class="jxr_linenumber" name="277" href="#277">277</a> -<a class="jxr_linenumber" name="278" href="#278">278</a> <strong class="jxr_keyword">for</strong> (Cell c : partialResult.rawCells()) { -<a class="jxr_linenumber" name="279" href="#279">279</a> aggregatePartialCells.add(c); -<a class="jxr_linenumber" name="280" href="#280">280</a> } -<a class="jxr_linenumber" name="281" href="#281">281</a> } <strong class="jxr_keyword">while</strong> (partialResult.isPartial()); -<a class="jxr_linenumber" name="282" href="#282">282</a> -<a class="jxr_linenumber" name="283" href="#283">283</a> assertTrue(<span class="jxr_string">"Number of cells differs. iteration: "</span> + iterationCount, -<a class="jxr_linenumber" name="284" href="#284">284</a> oneShotResult.rawCells().length == aggregatePartialCells.size()); -<a class="jxr_linenumber" name="285" href="#285">285</a> <strong class="jxr_keyword">final</strong> Cell[] oneShotCells = oneShotResult.rawCells(); -<a class="jxr_linenumber" name="286" href="#286">286</a> <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> cell = 0; cell < oneShotCells.length; cell++) { -<a class="jxr_linenumber" name="287" href="#287">287</a> Cell oneShotCell = oneShotCells[cell]; -<a class="jxr_linenumber" name="288" href="#288">288</a> Cell partialCell = aggregatePartialCells.get(cell); -<a class="jxr_linenumber" name="289" href="#289">289</a> -<a class="jxr_linenumber" name="290" href="#290">290</a> assertTrue(<span class="jxr_string">"One shot cell was null"</span>, oneShotCell != <strong class="jxr_keyword">null</strong>); -<a class="jxr_linenumber" name="291" href="#291">291</a> assertTrue(<span class="jxr_string">"Partial cell was null"</span>, partialCell != <strong class="jxr_keyword">null</strong>); -<a class="jxr_linenumber" name="292" href="#292">292</a> assertTrue(<span class="jxr_string">"Cell differs. oneShotCell:"</span> + oneShotCell + <span class="jxr_string">" partialCell:"</span> + partialCell, -<a class="jxr_linenumber" name="293" href="#293">293</a> oneShotCell.equals(partialCell)); -<a class="jxr_linenumber" name="294" href="#294">294</a> } -<a class="jxr_linenumber" name="295" href="#295">295</a> -<a class="jxr_linenumber" name="296" href="#296">296</a> oneShotResult = oneShotScanner.next(); -<a class="jxr_linenumber" name="297" href="#297">297</a> iterationCount++; -<a class="jxr_linenumber" name="298" href="#298">298</a> } -<a class="jxr_linenumber" name="299" href="#299">299</a> -<a class="jxr_linenumber" name="300" href="#300">300</a> assertTrue(partialScanner.next() == <strong class="jxr_keyword">null</strong>); -<a class="jxr_linenumber" name="301" href="#301">301</a> -<a class="jxr_linenumber" name="302" href="#302">302</a> partialScanner.close(); -<a class="jxr_linenumber" name="303" href="#303">303</a> oneShotScanner.close(); -<a class="jxr_linenumber" name="304" href="#304">304</a> } -<a class="jxr_linenumber" name="305" href="#305">305</a> -<a class="jxr_linenumber" name="306" href="#306">306</a> <em class="jxr_javadoccomment">/**</em> -<a class="jxr_linenumber" name="307" href="#307">307</a> <em class="jxr_javadoccomment"> * Setting the max result size allows us to control how many cells we expect to see on each call</em> -<a class="jxr_linenumber" name="308" href="#308">308</a> <em class="jxr_javadoccomment"> * to next on the scanner. Test a variety of different sizes for correctness</em> -<a class="jxr_linenumber" name="309" href="#309">309</a> <em class="jxr_javadoccomment"> * @throws Exception</em> -<a class="jxr_linenumber" name="310" href="#310">310</a> <em class="jxr_javadoccomment"> */</em> -<a class="jxr_linenumber" name="311" href="#311">311</a> @Test -<a class="jxr_linenumber" name="312" href="#312">312</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testExpectedNumberOfCellsPerPartialResult() <strong class="jxr_keyword">throws</strong> Exception { -<a class="jxr_linenumber" name="313" href="#313">313</a> Scan scan = <strong class="jxr_keyword">new</strong> Scan(); -<a class="jxr_linenumber" name="314" href="#314">314</a> testExpectedNumberOfCellsPerPartialResult(scan); -<a class="jxr_linenumber" name="315" href="#315">315</a> -<a class="jxr_linenumber" name="316" href="#316">316</a> scan.setReversed(<strong class="jxr_keyword">true</strong>); -<a class="jxr_linenumber" name="317" href="#317">317</a> testExpectedNumberOfCellsPerPartialResult(scan); -<a class="jxr_linenumber" name="318" href="#318">318</a> } -<a class="jxr_linenumber" name="319" href="#319">319</a> -<a class="jxr_linenumber" name="320" href="#320">320</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testExpectedNumberOfCellsPerPartialResult(Scan baseScan) <strong class="jxr_keyword">throws</strong> Exception { -<a class="jxr_linenumber" name="321" href="#321">321</a> <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> expectedCells = 1; expectedCells <= NUM_COLS; expectedCells++) { -<a class="jxr_linenumber" name="322" href="#322">322</a> testExpectedNumberOfCellsPerPartialResult(baseScan, expectedCells); -<a class="jxr_linenumber" name="323" href="#323">323</a> } -<a class="jxr_linenumber" name="324" href="#324">324</a> } -<a class="jxr_linenumber" name="325" href="#325">325</a> -<a class="jxr_linenumber" name="326" href="#326">326</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testExpectedNumberOfCellsPerPartialResult(Scan baseScan, <strong class="jxr_keyword">int</strong> expectedNumberOfCells) -<a class="jxr_linenumber" name="327" href="#327">327</a> <strong class="jxr_keyword">throws</strong> Exception { -<a class="jxr_linenumber" name="328" href="#328">328</a> -<a class="jxr_linenumber" name="329" href="#329">329</a> <strong class="jxr_keyword">if</strong> (LOG.isInfoEnabled()) LOG.info(<span class="jxr_string">"groupSize:"</span> + expectedNumberOfCells); -<a class="jxr_linenumber" name="330" href="#330">330</a> -<a class="jxr_linenumber" name="331" href="#331">331</a> <em class="jxr_comment">// Use the cellHeapSize to set maxResultSize such that we know how many cells to expect back</em> -<a class="jxr_linenumber" name="332" href="#332">332</a> <em class="jxr_comment">// from the call. The returned results should NOT exceed expectedNumberOfCells but may be less</em> -<a class="jxr_linenumber" name="333" href="#333">333</a> <em class="jxr_comment">// than it in cases where expectedNumberOfCells is not an exact multiple of the number of</em> -<a class="jxr_linenumber" name="334" href="#334">334</a> <em class="jxr_comment">// columns in the table.</em> -<a class="jxr_linenumber" name="335" href="#335">335</a> Scan scan = <strong class="jxr_keyword">new</strong> Scan(baseScan); -<a class="jxr_linenumber" name="336" href="#336">336</a> scan.setAllowPartialResults(<strong class="jxr_keyword">true</strong>); -<a class="jxr_linenumber" name="337" href="#337">337</a> scan.setMaxResultSize(getResultSizeForNumberOfCells(expectedNumberOfCells)); -<a class="jxr_linenumber" name="338" href="#338">338</a> -<a class="jxr_linenumber" name="339" href="#339">339</a> ResultScanner scanner = TABLE.getScanner(scan); -<a class="jxr_linenumber" name="340" href="#340">340</a> Result result = <strong class="jxr_keyword">null</strong>; -<a class="jxr_linenumber" name="341" href="#341">341</a> byte[] prevRow = <strong class="jxr_keyword">null</strong>; -<a class="jxr_linenumber" name="342" href="#342">342</a> <strong class="jxr_keyword">while</strong> ((result = scanner.next()) != <strong class="jxr_keyword">null</strong>) { -<a class="jxr_linenumber" name="343" href="#343">343</a> assertTrue(result.rawCells() != <strong class="jxr_keyword">null</strong>); -<a class="jxr_linenumber" name="344" href="#344">344</a> -<a class="jxr_linenumber" name="345" href="#345">345</a> <em class="jxr_comment">// Cases when cell count won't equal expectedNumberOfCells:</em> -<a class="jxr_linenumber" name="346" href="#346">346</a> <em class="jxr_comment">// 1. Returned result is the final result needed to form the complete result for that row</em> -<a class="jxr_linenumber" name="347" href="#347">347</a> <em class="jxr_comment">// 2. It is the first result we have seen for that row and thus may have been fetched as</em> -<a class="jxr_linenumber" name="348" href="#348">348</a> <em class="jxr_comment">// the last group of cells that fit inside the maxResultSize</em> -<a class="jxr_linenumber" name="349" href="#349">349</a> assertTrue( -<a class="jxr_linenumber" name="350" href="#350">350</a> <span class="jxr_string">"Result's cell count differed from expected number. result: "</span> + result, -<a class="jxr_linenumber" name="351" href="#351">351</a> result.rawCells().length == expectedNumberOfCells || !result.isPartial() -<a class="jxr_linenumber" name="352" href="#352">352</a> || !Bytes.equals(prevRow, result.getRow())); -<a class="jxr_linenumber" name="353" href="#353">353</a> prevRow = result.getRow(); -<a class="jxr_linenumber" name="354" href="#354">354</a> } -<a class="jxr_linenumber" name="355" href="#355">355</a> -<a class="jxr_linenumber" name="356" href="#356">356</a> scanner.close(); -<a class="jxr_linenumber" name="357" href="#357">357</a> } -<a class="jxr_linenumber" name="358" href="#358">358</a> -<a class="jxr_linenumber" name="359" href="#359">359</a> <em class="jxr_javadoccomment">/**</em> -<a class="jxr_linenumber" name="360" href="#360">360</a> <em class="jxr_javadoccomment"> * @return The approximate heap size of a cell in the test table. All cells should have</em> -<a class="jxr_linenumber" name="361" href="#361">361</a> <em class="jxr_javadoccomment"> * approximately the same heap size, so the value is cached to avoid repeating the</em> -<a class="jxr_linenumber" name="362" href="#362">362</a> <em class="jxr_javadoccomment"> * calculation</em> -<a class="jxr_linenumber" name="363" href="#363">363</a> <em class="jxr_javadoccomment"> * @throws Exception</em> -<a class="jxr_linenumber" name="364" href="#364">364</a> <em class="jxr_javadoccomment"> */</em> -<a class="jxr_linenumber" name="365" href="#365">365</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">long</strong> getCellHeapSize() <strong class="jxr_keyword">throws</strong> Exception { -<a class="jxr_linenumber" name="366" href="#366">366</a> <strong class="jxr_keyword">if</strong> (CELL_HEAP_SIZE == -1) { -<a class="jxr_linenumber" name="367" href="#367">367</a> <em class="jxr_comment">// Do a partial scan that will return a single result with a single cell</em> -<a class="jxr_linenumber" name="368" href="#368">368</a> Scan scan = <strong class="jxr_keyword">new</strong> Scan(); -<a class="jxr_linenumber" name="369" href="#369">369</a> scan.setMaxResultSize(2); -<a class="jxr_linenumber" name="370" href="#370">370</a> scan.setAllowPartialResults(<strong class="jxr_keyword">true</strong>); -<a class="jxr_linenumber" name="371" href="#371">371</a> ResultScanner scanner = TABLE.getScanner(scan); -<a class="jxr_linenumber" name="372" href="#372">372</a> -<a class="jxr_linenumber" name="373" href="#373">373</a> Result result = scanner.next(); -<a class="jxr_linenumber" name="374" href="#374">374</a> -<a class="jxr_linenumber" name="375" href="#375">375</a> assertTrue(result != <strong class="jxr_keyword">null</strong>); -<a class="jxr_linenumber" name="376" href="#376">376</a> assertTrue(result.rawCells() != <strong class="jxr_keyword">null</strong>); -<a class="jxr_linenumber" name="377" href="#377">377</a> assertTrue(result.rawCells().length == 1); -<a class="jxr_linenumber" name="378" href="#378">378</a> -<a class="jxr_linenumber" name="379" href="#379">379</a> <em class="jxr_comment">// Estimate the cell heap size. One difference is that on server side, the KV Heap size is</em> -<a class="jxr_linenumber" name="380" href="#380">380</a> <em class="jxr_comment">// estimated differently in case the cell is backed up by MSLAB byte[] (no overhead for</em> -<a class="jxr_linenumber" name="381" href="#381">381</a> <em class="jxr_comment">// backing array). Thus below calculation is a bit brittle.</em> -<a class="jxr_linenumber" name="382" href="#382">382</a> CELL_HEAP_SIZE = CellUtil.estimatedHeapSizeOf(result.rawCells()[0]) -<a class="jxr_linenumber" name="383" href="#383">383</a> - (ClassSize.ARRAY+3); -<a class="jxr_linenumber" name="384" href="#384">384</a> <strong class="jxr_keyword">if</strong> (LOG.isInfoEnabled()) LOG.info(<span class="jxr_string">"Cell heap size: "</span> + CELL_HEAP_SIZE); -<a class="jxr_linenumber" name="385" href="#385">385</a> scanner.close(); -<a class="jxr_linenumber" name="386" href="#386">386</a> } -<a class="jxr_linenumber" name="387" href="#387">387</a> -<a class="jxr_linenumber" name="388" href="#388">388</a> <strong class="jxr_keyword">return</strong> CELL_HEAP_SIZE; -<a class="jxr_linenumber" name="389" href="#389">389</a> } -<a class="jxr_linenumber" name="390" href="#390">390</a> -<a class="jxr_linenumber" name="391" href="#391">391</a> <em class="jxr_javadoccomment">/**</em> -<a class="jxr_linenumber" name="392" href="#392">392</a> <em class="jxr_javadoccomment"> * @param numberOfCells</em> -<a class="jxr_linenumber" name="393" href="#393">393</a> <em class="jxr_javadoccomment"> * @return the result size that should be used in {@link Scan#setMaxResultSize(long)} if you want</em> -<a class="jxr_linenumber" name="394" href="#394">394</a> <em class="jxr_javadoccomment"> * the server to return exactly numberOfCells cells</em> -<a class="jxr_linenumber" name="395" href="#395">395</a> <em class="jxr_javadoccomment"> * @throws Exception</em> -<a class="jxr_linenumber" name="396" href="#396">396</a> <em class="jxr_javadoccomment"> */</em> -<a class="jxr_linenumber" name="397" href="#397">397</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">long</strong> getResultSizeForNumberOfCells(<strong class="jxr_keyword">int</strong> numberOfCells) <strong class="jxr_keyword">throws</strong> Exception { -<a class="jxr_linenumber" name="398" href="#398">398</a> <strong class="jxr_keyword">return</strong> getCellHeapSize() * numberOfCells; -<a class="jxr_linenumber" name="399" href="#399">399</a> } -<a class="jxr_linenumber" name="400" href="#400">400</a> -<a class="jxr_linenumber" name="401" href="#401">401</a> <em class="jxr_javadoccomment">/**</em> -<a class="jxr_linenumber" name="402" href="#402">402</a> <em class="jxr_javadoccomment"> * Test various combinations of batching and partial results for correctness</em> -<a class="jxr_linenumber" name="403" href="#403">403</a> <em class="jxr_javadoccomment"> */</em> -<a class="jxr_linenumber" name="404" href="#404">404</a> @Test -<a class="jxr_linenumber" name="405" href="#405">405</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testPartialResultsAndBatch() <strong class="jxr_keyword">throws</strong> Exception { -<a class="jxr_linenumber" name="406" href="#406">406</a> <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> batch = 1; batch <= NUM_COLS / 4; batch++) { -<a class="jxr_linenumber" name="407" href="#407">407</a> <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> cellsPerPartial = 1; cellsPerPartial <= NUM_COLS / 4; cellsPerPartial++) { -<a class="jxr_linenumber" name="408" href="#408">408</a> testPartialResultsAndBatch(batch, cellsPerPartial); -<a class="jxr_linenumber" name="409" href="#409">409</a> } -<a class="jxr_linenumber" name="410" href="#410">410</a> } -<a class="jxr_linenumber" name="411" href="#411">411</a> } -<a class="jxr_linenumber" name="412" href="#412">412</a> -<a class="jxr_linenumber" name="413" href="#413">413</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testPartialResultsAndBatch(<strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> batch, <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> cellsPerPartialResult) -<a class="jxr_linenumber" name="414" href="#414">414</a> <strong class="jxr_keyword">throws</strong> Exception { -<a class="jxr_linenumber" name="415" href="#415">415</a> <strong class="jxr_keyword">if</strong> (LOG.isInfoEnabled()) { -<a class="jxr_linenumber" name="416" href="#416">416</a> LOG.info(<span class="jxr_string">"batch: "</span> + batch + <span class="jxr_string">" cellsPerPartialResult: "</span> + cellsPerPartialResult); -<a class="jxr_linenumber" name="417" href="#417">417</a> } -<a class="jxr_linenumber" name="418" href="#418">418</a> -<a class="jxr_linenumber" name="419" href="#419">419</a> Scan scan = <strong class="jxr_keyword">new</strong> Scan(); -<a class="jxr_linenumber" name="420" href="#420">420</a> scan.setMaxResultSize(getResultSizeForNumberOfCells(cellsPerPartialResult)); -<a class="jxr_linenumber" name="421" href="#421">421</a> scan.setBatch(batch); -<a class="jxr_linenumber" name="422" href="#422">422</a> ResultScanner scanner = TABLE.getScanner(scan); -<a class="jxr_linenumber" name="423" href="#423">423</a> Result result = scanner.next(); -<a class="jxr_linenumber" name="424" href="#424">424</a> <strong class="jxr_keyword">int</strong> repCount = 0; -<a class="jxr_linenumber" name="425" href="#425">425</a> -<a class="jxr_linenumber" name="426" href="#426">426</a> <strong class="jxr_keyword">while</strong> ((result = scanner.next()) != <strong class="jxr_keyword">null</strong>) { -<a class="jxr_linenumber" name="427" href="#427">427</a> assertTrue(result.rawCells() != <strong class="jxr_keyword">null</strong>); -<a class="jxr_linenumber" name="428" href="#428">428</a> -<a class="jxr_linenumber" name="429" href="#429">429</a> <strong class="jxr_keyword">if</strong> (result.isPartial()) { -<a class="jxr_linenumber" name="430" href="#430">430</a> <strong class="jxr_keyword">final</strong> String error = -<a class="jxr_linenumber" name="431" href="#431">431</a> <span class="jxr_string">"Cells:"</span> + result.rawCells().length + <span class="jxr_string">" Batch size:"</span> + batch -<a class="jxr_linenumber" name="432" href="#432">432</a> + <span class="jxr_string">" cellsPerPartialResult:"</span> + cellsPerPartialResult + <span class="jxr_string">" rep:"</span> + repCount; -<a class="jxr_linenumber" name="433" href="#433">433</a> assertTrue(error, result.rawCells().length <= Math.min(batch, cellsPerPartialResult)); -<a class="jxr_linenumber" name="434" href="#434">434</a> } <strong class="jxr_keyword">else</strong> { -<a class="jxr_linenumber" name="435" href="#435">435</a> assertTrue(result.rawCells().length <= batch); -<a class="jxr_linenumber" name="436" href="#436">436</a> } -<a class="jxr_linenumber" name="437" href="#437">437</a> repCount++; -<a class="jxr_linenumber" name="438" href="#438">438</a> } -<a class="jxr_linenumber" name="439" href="#439">439</a> -<a class="jxr_linenumber" name="440" href="#440">440</a> scanner.close(); -<a class="jxr_linenumber" name="441" href="#441">441</a> } -<a class="jxr_linenumber" name="442" href="#442">442</a> -<a class="jxr_linenumber" name="443" href="#443">443</a> <em class="jxr_javadoccomment">/**</em> -<a class="jxr_linenumber" name="444" href="#444">444</a> <em class="jxr_javadoccomment"> * Test the method {@link Result#createCompleteResult(List)}</em> -<a class="jxr_linenumber" name="445" href="#445">445</a> <em class="jxr_javadoccomment"> * @throws Exception</em> -<a class="jxr_linenumber" name="446" href="#446">446</a> <em class="jxr_javadoccomment"> */</em> -<a class="jxr_linenumber" name="447" href="#447">447</a> @Test -<a class="jxr_linenumber" name="448" href="#448">448</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testPartialResultsReassembly() <strong class="jxr_keyword">throws</strong> Exception { -<a class="jxr_linenumber" name="449" href="#449">449</a> Scan scan = <strong class="jxr_keyword">new</strong> Scan(); -<a class="jxr_linenumber" name="450" href="#450">450</a> testPartialResultsReassembly(scan); -<a class="jxr_linenumber" name="451" href="#451">451</a> scan.setReversed(<strong class="jxr_keyword">true</strong>); -<a class="jxr_linenumber" name="452" href="#452">452</a> testPartialResultsReassembly(scan); -<a class="jxr_linenumber" name="453" href="#453">453</a> } -<a class="jxr_linenumber" name="454" href="#454">454</a> -<a class="jxr_linenumber" name="455" href="#455">455</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testPartialResultsReassembly(Scan scanBase) <strong class="jxr_keyword">throws</strong> Exception { -<a class="jxr_linenumber" name="456" href="#456">456</a> Scan partialScan = <strong class="jxr_keyword">new</strong> Scan(scanBase); -<a class="jxr_linenumber" name="457" href="#457">457</a> partialScan.setMaxResultSize(1); -<a class="jxr_linenumber" name="458" href="#458">458</a> partialScan.setAllowPartialResults(<strong class="jxr_keyword">true</strong>); -<a class="jxr_linenumber" name="459" href="#459">459</a> ResultScanner partialScanner = TABLE.getScanner(partialScan); -<a class="jxr_linenumber" name="460" href="#460">460</a> -<a class="jxr_linenumber" name="461" href="#461">461</a> Scan oneShotScan = <strong class="jxr_keyword">new</strong> Scan(scanBase); -<a class="jxr_linenumber" name="462" href="#462">462</a> oneShotScan.setMaxResultSize(Long.MAX_VALUE); -<a class="jxr_linenumber" name="463" href="#463">463</a> ResultScanner oneShotScanner = TABLE.getScanner(oneShotScan); -<a class="jxr_linenumber" name="464" href="#464">464</a> -<a class="jxr_linenumber" name="465" href="#465">465</a> ArrayList<Result> partials = <strong class="jxr_keyword">new</strong> ArrayList<>(); -<a class="jxr_linenumber" name="466" href="#466">466</a> <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = 0; i < NUM_ROWS; i++) { -<a class="jxr_linenumber" name="467" href="#467">467</a> Result partialResult = <strong class="jxr_keyword">null</strong>; -<a class="jxr_linenumber" name="468" href="#468">468</a> Result completeResult = <strong class="jxr_keyword">null</strong>; -<a class="jxr_linenumber" name="469" href="#469">469</a> Result oneShotResult = <strong class="jxr_keyword">null</strong>; -<a class="jxr_linenumber" name="470" href="#470">470</a> partials.clear(); -<a class="jxr_linenumber" name="471" href="#471">471</a> -<a class="jxr_linenumber" name="472" href="#472">472</a> <strong class="jxr_keyword">do</strong> { -<a class="jxr_linenumber" name="473" href="#473">473</a> partialResult = partialScanner.next(); -<a class="jxr_linenumber" name="474" href="#474">474</a> partials.add(partialResult); -<a class="jxr_linenumber" name="475" href="#475">475</a> } <strong class="jxr_keyword">while</strong> (partialResult != <strong class="jxr_keyword">null</strong> && partialResult.isPartial()); -<a class="jxr_linenumber" name="476" href="#476">476</a> -<a class="jxr_linenumber" name="477" href="#477">477</a> completeResult = Result.createCompleteResult(partials); -<a class="jxr_linenumber" name="478" href="#478">478</a> oneShotResult = oneShotScanner.next(); -<a class="jxr_linenumber" name="479" href="#479">479</a> -<a class="jxr_linenumber" name="480" href="#480">480</a> compareResults(completeResult, oneShotResult, <strong class="jxr_keyword">null</strong>); -<a class="jxr_linenumber" name="481" href="#481">481</a> } -<a class="jxr_linenumber" name="482" href="#482">482</a> -<a class="jxr_linenumber" name="483" href="#483">483</a> assertTrue(oneShotScanner.next() == <strong class="jxr_keyword">null</strong>); -<a class="jxr_linenumber" name="484" href="#484">484</a> assertTrue(partialScanner.next() == <strong class="jxr_keyword">null</strong>); -<a class="jxr_linenumber" name="485" href="#485">485</a> -<a class="jxr_linenumber" name="486" href="#486">486</a> oneShotScanner.close(); -<a class="jxr_linenumber" name="487" href="#487">487</a> partialScanner.close(); -<a class="jxr_linenumber" name="488" href="#488">488</a> } -<a class="jxr_linenumber" name="489" href="#489">489</a> -<a class="jxr_linenumber" name="490" href="#490">490</a> <em class="jxr_javadoccomment">/**</em> -<a class="jxr_linenumber" name="491" href="#491">491</a> <em class="jxr_javadoccomment"> * When reconstructing the complete result from its partials we ensure that the row of each</em> -<a class="jxr_linenumber" name="492" href="#492">492</a> <em class="jxr_javadoccomment"> * partial result is the same. If one of the rows differs, an exception is thrown.</em> -<a class="jxr_linenumber" name="493" href="#493">493</a> <em class="jxr_javadoccomment"> */</em> -<a class="jxr_linenumber" name="494" href="#494">494</a> @Test -<a class="jxr_linenumber" name="495" href="#495">495</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testExceptionThrownOnMismatchedPartialResults() <strong class="jxr_keyword">throws</strong> IOException { -<a class="jxr_linenumber" name="496" href="#496">496</a> assertTrue(NUM_ROWS >= 2); -<a class="jxr_linenumber" name="497" href="#497">497</a> -<a class="jxr_linenumber" name="498" href="#498">498</a> ArrayList<Result> partials = <strong class="jxr_keyword">new</strong> ArrayList<>(); -<a class="jxr_linenumber" name="499" href="#499">499</a> Scan scan = <strong class="jxr_keyword">new</strong> Scan(); -<a class="jxr_linenumber" name="500" href="#500">500</a> scan.setMaxResultSize(Long.MAX_VALUE); -<a class="jxr_linenumber" name="501" href="#501">501</a> ResultScanner scanner = TABLE.getScanner(scan); -<a class="jxr_linenumber" name="502" href="#502">502</a> Result r1 = scanner.next(); -<a class="jxr_linenumber" name="503" href="#503">503</a> partials.add(r1); -<a class="jxr_linenumber" name="504" href="#504">504</a> Result r2 = scanner.next(); -<a class="jxr_linenumber" name="505" href="#505">505</a> partials.add(r2); -<a class="jxr_linenumber" name="506" href="#506">506</a> -<a class="jxr_linenumber" name="507" href="#507">507</a> assertFalse(Bytes.equals(r1.getRow(), r2.getRow())); -<a class="jxr_linenumber" name="508" href="#508">508</a> -<a class="jxr_linenumber" name="509" href="#509">509</a> <strong class="jxr_keyword">try</strong> { -<a class="jxr_linenumber" name="510" href="#510">510</a> Result.createCompleteResult(partials); -<a class="jxr_linenumber" name="511" href="#511">511</a> fail(<span class="jxr_string">"r1 and r2 are from different rows. It should not be possible to combine them into"</span> -<a class="jxr_linenumber" name="512" href="#512">512</a> + <span class="jxr_string">" a single result"</span>); -<a class="jxr_linenumber" name="513" href="#513">513</a> } <strong class="jxr_keyword">catch</strong> (IOException e) { -<a class="jxr_linenumber" name="514" href="#514">514</a> } -<a class="jxr_linenumber" name="515" href="#515">515</a> -<a class="jxr_linenumber" name="516" href="#516">516</a> scanner.close(); -<a class="jxr_linenumber" name="517" href="#517">517</a> } -<a class="jxr_linenumber" name="518" href="#518">518</a> -<a class="jxr_linenumber" name="519" href="#519">519</a> <em class="jxr_javadoccomment">/**</em> -<a class="jxr_linenumber" name="520" href="#520">520</a> <em class="jxr_javadoccomment"> * When a scan has a filter where {@link org.apache.hadoop.hbase.filter.Filter#hasFilterRow()} is</em> -<a class="jxr_linenumber" name="521" href="#521">521</a> <em class="jxr_javadoccomment"> * true, the scanner should not return partial results. The scanner cannot return partial results</em> -<a class="jxr_linenumber" name="522" href="#522">522</a> <em class="jxr_javadoccomment"> * because the entire row needs to be read for the include/exclude decision to be made</em> -<a class="jxr_linenumber" name="523" href="#523">523</a> <em class="jxr_javadoccomment"> */</em> -<a class="jxr_linenumber" name="524" href="#524">524</a> @Test -<a class="jxr_linenumber" name="525" href="#525">525</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testNoPartialResultsWhenRowFilterPresent() <strong class="jxr_keyword">throws</strong> Exception { -<a class="jxr_linenumber" name="526" href="#526">526</a> Scan scan = <strong class="jxr_keyword">new</strong> Scan(); -<a class="jxr_linenumber" name="527" href="#527">527</a> scan.setMaxResultSize(1); -<a class="jxr_linenumber" name="528" href="#528">528</a> scan.setAllowPartialResults(<strong class="jxr_keyword">true</strong>); -<a class="jxr_linenumber" name="529" href="#529">529</a> <em class="jxr_comment">// If a filter hasFilter() is true then partial results should not be returned else filter</em> -<a class="jxr_linenumber" name="530" href="#530">530</a> <em class="jxr_comment">// application server side would break.</em> -<a class="jxr_linenumber" name="531" href="#531">531</a> scan.setFilter(<strong class="jxr_keyword">new</strong> RandomRowFilter(1.0f)); -<a class="jxr_linenumber" name="532" href="#532">532</a> ResultScanner scanner = TABLE.getScanner(scan); -<a class="jxr_linenumber" name="533" href="#533">533</a> -<a class="jxr_linenumber" name="534" href="#534">534</a> Result r = <strong class="jxr_keyword">null</strong>; -<a class="jxr_linenumber" name="535" href="#535">535</a> <strong class="jxr_keyword">while</strong> ((r = scanner.next()) != <strong class="jxr_keyword">null</strong>) { -<a class="jxr_linenumber" name="536" href="#536">536</a> assertFalse(r.isPartial()); -<a class="jxr_linenumber" name="537" href="#537">537</a> } -<a class="jxr_linenumber" name="538" href="#538">538</a> -<a class="jxr_linenumber" name="539" href="#539">539</a> scanner.close(); -<a class="jxr_linenumber" name="540" href="#540">540</a> } -<a class="jxr_linenumber" name="541" href="#541">541</a> -<a class="jxr_linenumber" name="542" href="#542">542</a> <em class="jxr_javadoccomment">/**</em> -<a class="jxr_linenumber" name="543" href="#543">543</a> <em class="jxr_javadoccomment"> * Examine the interaction between the maxResultSize and caching. If the caching limit is reached</em> -<a class="jxr_linenumber" name="544" href="#544">544</a> <em class="jxr_javadoccomment"> * before the maxResultSize limit, we should not see partial results. On the other hand, if the</em> -<a class="jxr_linenumber" name="545" href="#545">545</a> <em class="jxr_javadoccomment"> * maxResultSize limit is reached before the caching limit, it is likely that partial results will</em> -<a class="jxr_linenumber" name="546" href="#546">546</a> <em class="jxr_javadoccomment"> * be seen.</em> -<a class="jxr_linenumber" name="547" href="#547">547</a> <em class="jxr_javadoccomment"> * @throws Exception</em> -<a class="jxr_linenumber" name="548" href="#548">548</a> <em class="jxr_javadoccomment"> */</em> -<a class="jxr_linenumber" name="549" href="#549">549</a> @Test -<a class="jxr_linenumber" name="550" href="#550">550</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testPartialResultsAndCaching() <strong class="jxr_keyword">throws</strong> Exception { -<a class="jxr_linenumber" name="551" href="#551">551</a> <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> caching = 1; caching <= NUM_ROWS; caching++) { -<a class="jxr_linenumber" name="552" href="#552">552</a> <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> maxResultRows = 0; maxResultRows <= NUM_ROWS; maxResultRows++) { -<a class="jxr_linenumber" name="553" href="#553">553</a> testPartialResultsAndCaching(maxResultRows, caching); -<a class="jxr_linenumber" name="554" href="#554">554</a> } -<a class="jxr_linenumber" name="555" href="#555">555</a> } -<a class="jxr_linenumber" name="556" href="#556">556</a> } -<a class="jxr_linenumber" name="557" href="#557">557</a> -<a class="jxr_linenumber" name="558" href="#558">558</a> <em class="jxr_javadoccomment">/**</em> -<a class="jxr_linenumber" name="559" href="#559">559</a> <em class="jxr_javadoccomment"> * @param resultSizeRowLimit The row limit that will be enforced through maxResultSize</em> -<a class="jxr_linenumber" name="560" href="#560">560</a> <em class="jxr_javadoccomment"> * @param cachingRowLimit The row limit that will be enforced through caching</em> -<a class="jxr_linenumber" name="561" href="#561">561</a> <em class="jxr_javadoccomment"> * @throws Exception</em> -<a class="jxr_linenumber" name="562" href="#562">562</a> <em class="jxr_javadoccomment"> */</em> -<a class="jxr_linenumber" name="563" href="#563">563</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testPartialResultsAndCaching(<strong class="jxr_keyword">int</strong> resultSizeRowLimit, <strong class="jxr_keyword">int</strong> cachingRowLimit) -<a class="jxr_linenumber" name="564" href="#564">564</a> <strong class="jxr_keyword">throws</strong> Exception { -<a class="jxr_linenumber" name="565" href="#565">565</a> Scan scan = <strong class="jxr_keyword">new</strong> Scan(); -<a class="jxr_linenumber" name="566" href="#566">566</a> scan.setAllowPartialResults(<strong class="jxr_keyword">true</strong>); -<a class="jxr_linenumber" name="567" href="#567">567</a> -<a class="jxr_linenumber" name="568" href="#568">568</a> <em class="jxr_comment">// The number of cells specified in the call to getResultSizeForNumberOfCells is offset to</em> -<a class="jxr_linenumber" name="569" href="#569">569</a> <em class="jxr_comment">// ensure that the result size we specify is not an exact multiple of the number of cells</em> -<a class="jxr_linenumber" name="570" href="#570">570</a> <em class="jxr_comment">// in a row. This ensures that partial results will be returned when the result size limit</em> -<a class="jxr_linenumber" name="571" href="#571">571</a> <em class="jxr_comment">// is reached before the caching limit.</em> -<a class="jxr_linenumber" name="572" href="#572">572</a> <strong class="jxr_keyword">int</strong> cellOffset = NUM_COLS / 3; -<a class="jxr_linenumber" name="573" href="#573">573</a> <strong class="jxr_keyword">long</strong> maxResultSize = getResultSizeForNumberOfCells(resultSizeRowLimit * NUM_COLS + cellOffset); -<a class="jxr_linenumber" name="574" href="#574">574</a> scan.setMaxResultSize(maxResultSize); -<a class="jxr_linenumber" name="575" href="#575">575</a> scan.setCaching(cachingRowLimit); -<a class="jxr_linenumber" name="576" href="#576">576</a> -<a class="jxr_linenumber" name="577" href="#577">577</a> ResultScanner scanner = TABLE.getScanner(scan); -<a class="jxr_linenumber" name="578" href="#578">578</a> ClientScanner clientScanner = (ClientScanner) scanner; -<a class="jxr_linenumber" name="579" href="#579">579</a> Result r = <strong class="jxr_keyword">null</strong>; -<a class="jxr_linenumber" name="580" href="#580">580</a> -<a class="jxr_linenumber" name="581" href="#581">581</a> <em class="jxr_comment">// Approximate the number of rows we expect will fit into the specified max rsult size. If this</em> -<a class="jxr_linenumber" name="582" href="#582">582</a> <em class="jxr_comment">// approximation is less than caching, then we expect that the max result size limit will be</em> -<a class="jxr_linenumber" name="583" href="#583">583</a> <em class="jxr_comment">// hit before the caching limit and thus partial results may be seen</em> -<a class="jxr_linenumber" name="584" href="#584">584</a> <strong class="jxr_keyword">boolean</strong> expectToSeePartialResults = resultSizeRowLimit < cachingRowLimit; -<a class="jxr_linenumber" name="585" href="#585">585</a> <strong class="jxr_keyword">while</strong> ((r = clientScanner.next()) != <strong class="jxr_keyword">null</strong>) { -<a class="jxr_linenumber" name="586" href="#586">586</a> assertTrue(!r.isPartial() || expectToSeePartialResults); -<a class="jxr_linenumber" name="587" href="#587">587</a> } -<a class="jxr_linenumber" name="588" href="#588">588</a> -<a class="jxr_linenumber" name="589" href="#589">589</a> scanner.close(); -<a class="jxr_linenumber" name="590" href="#590">590</a> } -<a class="jxr_linenumber" name="591" href="#591">591</a> -<a class="jxr_linenumber" name="592" href="#592">592</a> <em class="jxr_javadoccomment">/**</em> -<a class="jxr_linenumber" name="593" href="#593">593</a> <em class="jxr_javadoccomment"> * Small scans should not return partial results because it would prevent small scans from</em> -<a class="jxr_linenumber" name="594" href="#594">594</a> <em class="jxr_javadoccomment"> * retrieving all of the necessary results in a single RPC request which is what makese small</em> -<a class="jxr_linenumber" name="595" href="#595">595</a> <em class="jxr_javadoccomment"> * scans useful. Thus, ensure that even when {@link Scan#getAllowPartialResults()} is true, small</em> -<a class="jxr_linenumber" name="596" href="#596">596</a> <em class="jxr_javadoccomment"> * scans do not return partial results</em> -<a class="jxr_linenumber" name="597" href="#597">597</a> <em class="jxr_javadoccomment"> * @throws Exception</em> -<a class="jxr_linenumber" name="598" href="#598">598</a> <em class="jxr_javadoccomment"> */</em> -<a class="jxr_linenumber" name="599" href="#599">599</a> @Test -<a class="jxr_linenumber" name="600" href="#600">600</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testSmallScansDoNotAllowPartials() <strong class="jxr_keyword">throws</strong> Exception { -<a class="jxr_linenumber" name="601" href="#601">601</a> Scan scan = <strong class="jxr_keyword">new</strong> Scan(); -<a class="jxr_linenumber" name="602" href="#602">602</a> testSmallScansDoNotAllowPartials(scan); -<a class="jxr_linenumber" name="603" href="#603">603</a> scan.setReversed(<strong class="jxr_keyword">true</strong>); -<a class="jxr_linenumber" name="604" href="#604">604</a> testSmallScansDoNotAllowPartials(scan); -<a class="jxr_linenumber" name="605" href="#605">605</a> } -<a class="jxr_linenumber" name="606" href="#606">606</a> -<a class="jxr_linenumber" name="607" href="#607">607</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testSmallScansDoNotAllowPartials(Scan baseScan) <strong class="jxr_keyword">throws</strong> Exception { -<a class="jxr_linenumber" name="608" href="#608">608</a> Scan scan = <strong class="jxr_keyword">new</strong> Scan(baseScan); -<a class="jxr_linenumber" name="609" href="#609">609</a> scan.setAllowPartialResults(<strong class="jxr_keyword">true</strong>); -<a class="jxr_linenumber" name="610" href="#610">610</a> scan.setSmall(<strong class="jxr_keyword">true</strong>); -<a class="jxr_linenumber" name="611" href="#611">611</a> scan.setMaxResultSize(1); -<a class="jxr_linenumber" name="612" href="#612">612</a> -<a class="jxr_linenumber" name="613" href="#613">613</a> ResultScanner scanner = TABLE.getScanner(scan); -<a class="jxr_linenumber" name="614" href="#614">614</a> Result r = <strong class="jxr_keyword">null</strong>; -<a class="jxr_linenumber" name="615" href="#615">615</a> -<a class="jxr_linenumber" name="616" href="#616">616</a> <strong class="jxr_keyword">while</strong> ((r = scanner.next()) != <strong class="jxr_keyword">null</strong>) { -<a class="jxr_linenumber" name="617" href="#617">617</a> assertFalse(r.isPartial()); -<a class="jxr_linenumber" name="618" href="#618">618</a> } -<a class="jxr_linenumber" name="619" href="#619">619</a> -<a class="jxr_linenumber" name="620" href="#620">620</a> scanner.close(); -<a class="jxr_linenumber" name="621" href="#621">621</a> } -<a class="jxr_linenumber" name="622" href="#622">622</a> -<a class="jxr_linenumber" name="623" href="#623">623</a> <em class="jxr_javadoccomment">/**</em> -<a class="jxr_linenumber" name="624" href="#624">624</a> <em class="jxr_javadoccomment"> * Make puts to put the input value into each combination of row, family, and qualifier</em> -<a class="jxr_linenumber" name="625" href="#625">625</a> <em class="jxr_javadoccomment"> * @param rows</em> -<a class="jxr_linenumber" name="626" href="#626">626</a> <em class="jxr_javadoccomment"> * @param families</em> -<a class="jxr_linenumber" name="627" href="#627">627</a> <em class="jxr_javadoccomment"> * @param qualifiers</em> -<a class="jxr_linenumber" name="628" href="#628">628</a> <em class="jxr_javadoccomment"> * @param value</em> -<a class="jxr_linenumber" name="629" href="#629">629</a> <em class="jxr_javadoccomment"> * @return</em> -<a class="jxr_linenumber" name="630" href="#630">630</a> <em class="jxr_javadoccomment"> * @throws IOException</em> -<a class="jxr_linenumber" name="631" href="#631">631</a> <em class="jxr_javadoccomment"> */</em> -<a class="jxr_linenumber" name="632" href="#632">632</a> <strong class="jxr_keyword">static</strong> ArrayList<Put> createPuts(byte[][] rows, byte[][] families, byte[][] qualifiers, -<a class="jxr_linenumber" name="633" href="#633">633</a> byte[] value) <strong class="jxr_keyword">throws</strong> IOException { -<a class="jxr_linenumber" name="634" href="#634">634</a> Put put; -<a class="jxr_linenumber" name="635" href="#635">635</a> ArrayList<Put> puts = <strong class="jxr_keyword">new</strong> ArrayList<>(); -<a class="jxr_linenumber" name="636" href="#636">636</a> -<a class="jxr_linenumber" name="637" href="#637">637</a> <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> row = 0; row < rows.length; row++) { -<a class="jxr_linenumber" name="638" href="#638">638</a> put = <strong class="jxr_keyword">new</strong> Put(rows[row]); -<a class="jxr_linenumber" name="639" href="#639">639</a> <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> fam = 0; fam < families.length; fam++) { -<a class="jxr_linenumber" name="640" href="#640">640</a> <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> qual = 0; qual < qualifiers.length; qual++) { -<a class="jxr_linenumber" name="641" href="#641">641</a> KeyValue kv = <strong class="jxr_keyword">new</strong> KeyValue(rows[row], families[fam], qualifiers[qual], qual, value); -<a class="jxr_linenumber" name="642" href="#642">642</a> put.add(kv); -<a class="jxr_linenumber" name="643" href="#643">643</a> } -<a class="jxr_linenumber" name="644" href="#644">644</a> } -<a class="jxr_linenumber" name="645" href="#645">645</a> puts.add(put); -<a class="jxr_linenumber" name="646" href="#646">646</a> } -<a class="jxr_linenumber" name="647" href="#647">647</a> -<a class="jxr_linenumber" name="648" href="#648">648</a> <strong class="jxr_keyword">return</strong> puts; -<a class="jxr_linenumber" name="649" href="#649">649</a> } -<a class="jxr_linenumber" name="650" href="#650">650</a> -<a class="jxr_linenumber" name="651" href="#651">651</a> <em class="jxr_javadoccomment">/**</em> -<a class="jxr_linenumber" name="652" href="#652">652</a> <em class="jxr_javadoccomment"> * Make key values to represent each possible combination of family and qualifier in the specified</em> -<a class="jxr_linenumber" name="653" href="#653">653</a> <em class="jxr_javadoccomment"> * row.</em> -<a class="jxr_linenumber" name="654" href="#654">654</a> <em class="jxr_javadoccomment"> * @param row</em> -<a class="jxr_linenumber" name="655" href="#655">655</a> <em class="jxr_javadoccomment"> * @param families</em> -<a class="jxr_linenumber" name="656" href="#656">656</a> <em class="jxr_javadoccomment"> * @param qualifiers</em> -<a class="jxr_linenumber" name="657" href="#657">657</a> <em class="jxr_javadoccomment"> * @param value</em> -<a class="jxr_linenumber" name="658" href="#658">658</a> <em class="jxr_javadoccomment"> * @return</em> -<a class="jxr_linenumber" name="659" href="#659">659</a> <em class="jxr_javadoccomment"> */</em> -<a class="jxr_linenumber" name="660" href="#660">660</a> <strong class="jxr_keyword">static</strong> ArrayList<Cell> createKeyValuesForRow(byte[] row, byte[][] families, byte[][] qualifiers, -<a class="jxr_linenumber" name="661" href="#661">661</a> byte[] value) { -<a class="jxr_linenumber" name="662" href="#662">662</a> ArrayList<Cell> outList = <strong class="jxr_keyword">new</strong> ArrayList<>(); -<a class="jxr_linenumber" name="663" href="#663">663</a> <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> fam = 0; fam < families.length; fam++) { -<a class="jxr_linenumber" name="664" href="#664">664</a> <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> qual = 0; qual < qualifiers.length; qual++) { -<a class="jxr_linenumber" name="665" href="#665">665</a> outList.add(<strong class="jxr_keyword">new</strong> KeyValue(row, families[fam], qualifiers[qual], qual, value)); -<a class="jxr_linenumber" name="666" href="#666">666</a> } -<a class="jxr_linenumber" name="667" href="#667">667</a> } -<a class="jxr_linenumber" name="668" href="#668">668</a> <strong class="jxr_keyword">return</strong> outList; -<a class="jxr_linenumber" name="669" href="#669">669</a> } -<a class="jxr_linenumber" name="670" href="#670">670</a> -<a class="jxr_linenumber" name="671" href="#671">671</a> <em class="jxr_javadoccomment">/**</em> -<a class="jxr_linenumber" name="672" href="#672">672</a> <em class="jxr_javadoccomment"> * Verifies that result contains all the key values within expKvList. Fails the test otherwise</em> -<a class="jxr_linenumber" name="673" href="#673">673</a> <em class="jxr_javadoccomment"> * @param result</em> -<a class="jxr_linenumber" name="674" href="#674">674</a> <em class="jxr_javadoccomment"> * @param expKvList</em> -<a class="jxr_linenumber" name="675" href="#675">675</a> <em class="jxr_javadoccomment"> * @param msg</em> -<a class="jxr_linenumber" name="676" href="#676">676</a> <em class="jxr_javadoccomment"> */</em> -<a class="jxr_linenumber" name="677" href="#677">677</a> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">void</strong> verifyResult(Result result, List<Cell> expKvList, String msg) { -<a class="jxr_linenumber" name="678" href="#678">678</a> <strong class="jxr_keyword">if</strong> (LOG.isInfoEnabled()) { -<a class="jxr_linenumber" name="679" href="#679">679</a> LOG.info(msg); -<a class="jxr_linenumber" name="680" href="#680">680</a> LOG.info(<span class="jxr_string">"Expected count: "</span> + expKvList.size()); -<a class="jxr_linenumber" name="681" href="#681">681</a> LOG.info(<span class="jxr_string">"Actual count: "</span> + result.size()); -<a class="jxr_linenumber" name="682" href="#682">682</a> } -<a class="jxr_linenumber" name="683" href="#683">683</a> -<a class="jxr_linenumber" name="684" href="#684">684</a> <strong class="jxr_keyword">if</strong> (expKvList.size() == 0) <strong class="jxr_keyword">return</strong>; -<a class="jxr_linenumber" name="685" href="#685">685</a> -<a class="jxr_linenumber" name="686" href="#686">686</a> <strong class="jxr_keyword">int</strong> i = 0; -<a class="jxr_linenumber" name="687" href="#687">687</a> <strong class="jxr_keyword">for</strong> (Cell kv : result.rawCells()) { -<a class="jxr_linenumber" name="688" href="#688">688</a> <strong class="jxr_keyword">if</strong> (i >= expKvList.size()) { -<a class="jxr_linenumber" name="689" href="#689">689</a> <strong class="jxr_keyword">break</strong>; <em class="jxr_comment">// we will check the size later</em> -<a class="jxr_linenumber" name="690" href="#690">690</a> } -<a class="jxr_linenumber" name="691" href="#691">691</a> -<a class="jxr_linenumber" name="692" href="#692">692</a> Cell kvExp = expKvList.get(i++); -<a class="jxr_linenumber" name="693" href="#693">693</a> assertTrue(<span class="jxr_string">"Not equal. get kv: "</span> + kv.toString() + <span class="jxr_string">" exp kv: "</span> + kvExp.toString(), -<a class="jxr_linenumber" name="694" href="#694">694</a> kvExp.equals(kv)); -<a class="jxr_linenumber" name="695" href="#695">695</a> } -<a class="jxr_linenumber" name="696" href="#696">696</a> -<a class="jxr_linenumber" name="697" href="#697">697</a> assertEquals(expKvList.size(), result.size()); -<a class="jxr_linenumber" name="698" href="#698">698</a> } -<a class="jxr_linenumber" name="699" href="#699">699</a> -<a class="jxr_linenumber" name="700" href="#700">700</a> <em class="jxr_javadoccomment">/**</em> -<a class="jxr_linenumber" name="701" href="#701">701</a> <em class="jxr_javadoccomment"> * Compares two results and fails the test if the results are different</em> -<a class="jxr_linenumber" name="702" href="#702">702</a> <em class="jxr_javadoccomment"> * @param r1</em> -<a class="jxr_linenumber" name="703" href="#703">703</a> <em class="jxr_javadoccomment"> * @param r2</em> -<a class="jxr_linenumber" name="704" href="#704">704</a> <em class="jxr_javadoccomment"> * @param message</em> -<a class="jxr_linenumber" name="705" href="#705">705</a> <em class="jxr_javadoccomment"> */</em> -<a class="jxr_linenumber" name="706" href="#706">706</a> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">void</strong> compareResults(Result r1, Result r2, <strong class="jxr_keyword">final</strong> String message) { -<a class="jxr_linenumber" name="707" href="#707">707</a> <strong class="jxr_keyword">if</strong> (LOG.isInfoEnabled()) { -<a class="jxr_linenumber" name="708" href="#708">708</a> <strong class="jxr_keyword">if</strong> (message != <strong class="jxr_keyword">null</strong>) LOG.info(message); -<a class="jxr_linenumber" name="709" href="#709">709</a> LOG.info(<span class="jxr_string">"r1: "</span> + r1); -<a class="jxr_linenumber" name="710" href="#710">710</a> LOG.info(<span class="jxr_string">"r2: "</span> + r2); -<a class="jxr_linenumber" name="711" href="#711">711</a> } -<a class="jxr_linenumber" name="712" href="#712">712</a> -<a class="jxr_linenumber" name="713" href="#713">713</a> <strong class="jxr_keyword">final</strong> String failureMessage = <span class="jxr_string">"Results r1:"</span> + r1 + <span class="jxr_string">" \nr2:"</span> + r2 + <span class="jxr_string">" are not equivalent"</span>; -<a class="jxr_linenumber" name="714" href="#714">714</a> <strong class="jxr_keyword">if</strong> (r1 == <strong class="jxr_keyword">null</strong> && r2 == <strong class="jxr_keyword">null</strong>) fail(failureMessage); -<a class="jxr_linenumber" name="715" href="#715">715</a> <strong class="jxr_keyword">else</strong> <strong class="jxr_keyword">if</strong> (r1 == <strong class="jxr_keyword">null</strong> || r2 == <strong class="jxr_keyword">null</strong>) fail(failureMessage); -<a class="jxr_linenumber" name="716" href="#716">716</a> -<a class="jxr_linenumber" name="717" href="#717">717</a> <strong class="jxr_keyword">try</strong> { -<a class="jxr_linenumber" name="718" href="#718">718</a> Result.compareResults(r1, r2); -<a class="jxr_linenumber" name="719" href="#719">719</a> } <strong class="jxr_keyword">catch</strong> (Exception e) { -<a class="jxr_linenumber" name="720" href="#720">720</a> fail(failureMessage); -<a class="jxr_linenumber" name="721" href="#721">721</a> } -<a class="jxr_linenumber" name="722" href="#722">722</a> } -<a class="jxr_linenumber" name="723" href="#723">723</a> -<a class="jxr_linenumber" name="724" href="#724">72
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