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<!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=ISO-8859-1" /><title>TestGenericObjectPool xref</title><link type="text/css" rel="stylesheet" href="../../../../../stylesheet.css" /></head><body><pre><a name="1" href="#1">1</a> <em class="comment">/*</em><a name="2" href="#2">2</a> <em class="comment"> * Copyright 1999-2004 The Apache Software Foundation.</em><a name="3" href="#3">3</a> <em class="comment"> * </em><a name="4" href="#4">4</a> <em class="comment"> * Licensed under the Apache License, Version 2.0 (the "License");</em><a name="5" href="#5">5</a> <em class="comment"> * you may not use this file except in compliance with the License.</em><a name="6" href="#6">6</a> <em class="comment"> * You may obtain a copy of the License at</em><a name="7" href="#7">7</a> <em class="comment"> * </em><a name="8" href="#8">8</a> <em class="comment"> * <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="9" href="#9">9</a> <em class="comment"> * </em><a name="10" href="#10">10</a> <em class="comment"> * Unless required by applicable law or agreed to in writing, software</em><a name="11" href="#11">11</a> <em class="comment"> * distributed under the License is distributed on an "AS IS" BASIS,</em><a name="12" href="#12">12</a> <em class="comment"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</em><a name="13" href="#13">13</a> <em class="comment"> * See the License for the specific language governing permissions and</em><a name="14" href="#14">14</a> <em class="comment"> * limitations under the License.</em><a name="15" href="#15">15</a> <em class="comment"> */</em><a name="16" href="#16">16</a> <a name="17" href="#17">17</a> <strong>package</strong> <a href="../../../../../org/apache/commons/pool/impl/package-summary.html">org.apache.commons.pool.impl</a>;<a name="18" href="#18">18</a> <a name="19" href="#19">19</a> <strong>import</strong> java.util.NoSuchElementException;<a name="20" href="#20">20</a> <strong>import</strong> java.util.List;<a name="21" href="#21">21</a> <strong>import</strong> java.util.ArrayList;<a name="22" href="#22">22</a> <strong>import</strong> java.util.Arrays;<a name="23" href="#23">23</a> <a name="24" href="#24">24</a> <strong>import</strong> junit.framework.Test;<a name="25" href="#25">25</a> <strong>import</strong> junit.framework.TestSuite;<a name="26" href="#26">26</a> <a name="27" href="#27">27</a> <strong>import</strong> org.apache.commons.pool.BasePoolableObjectFactory;<a name="28" href="#28">28</a> <strong>import</strong> org.apache.commons.pool.ObjectPool;<a name="29" href="#29">29</a> <strong>import</strong> org.apache.commons.pool.PoolableObjectFactory;<a name="30" href="#30">30</a> <strong>import</strong> org.apache.commons.pool.TestObjectPool;<a name="31" href="#31">31</a> <a name="32" href="#32">32</a> <em>/**<em>*</em></em><a name="33" href="#33">33</a> <em> * @author Rodney Waldhoff</em><a name="34" href="#34">34</a> <em> * @author Dirk Verbeeck</em><a name="35" href="#35">35</a> <em> * @version $Revision: 387103 $ $Date: 2006-03-19 20:48:49 -0500 (Sun, 19 Mar 2006) $</em><a name="36" href="#36">36</a> <em> */</em><a name="37" href="#37">37</a> <strong>public</strong> <strong>class</strong> <a href="../../../../../org/apache/commons/pool/impl/TestGenericObjectPool.html">TestGenericObjectPool</a> <strong>extends</strong> <a href="../../../../../org/apache/commons/pool/TestObjectPool.html">TestObjectPool</a> {<a name="38" href="#38">38</a> <strong>public</strong> <a href="../../../../../org/apache/commons/pool/impl/TestGenericObjectPool.html">TestGenericObjectPool</a>(String testName) {<a name="39" href="#39">39</a> <strong>super</strong>(testName);<a name="40" href="#40">40</a> }<a name="41" href="#41">41</a> <a name="42" href="#42">42</a> <strong>public</strong> <strong>static</strong> Test suite() {<a name="43" href="#43">43</a> <strong>return</strong> <strong>new</strong> TestSuite(TestGenericObjectPool.<strong>class</strong>);<a name="44" href="#44">44</a> }<a name="45" href="#45">45</a> <a name="46" href="#46">46</a> <strong>protected</strong> ObjectPool makeEmptyPool(<strong>int</strong> mincap) {<a name="47" href="#47">47</a> GenericObjectPool pool = <strong>new</strong> GenericObjectPool(<strong>new</strong> SimpleFactory());<a name="48" href="#48">48</a> pool.setMaxActive(mincap);<a name="49" href="#49">49</a> pool.setMaxIdle(mincap);<a name="50" href="#50">50</a> <strong>return</strong> pool;<a name="51" href="#51">51</a> }<a name="52" href="#52">52</a> <a name="53" href="#53">53</a> <strong>protected</strong> Object getNthObject(<strong>int</strong> n) {<a name="54" href="#54">54</a> <strong>return</strong> String.valueOf(n);<a name="55" href="#55">55</a> }<a name="56" href="#56">56</a> <a name="57" href="#57">57</a> <strong>public</strong> <strong>void</strong> setUp() throws Exception {<a name="58" href="#58">58</a> <strong>super</strong>.setUp();<a name="59" href="#59">59</a> pool = <strong>new</strong> GenericObjectPool(<strong>new</strong> SimpleFactory());<a name="60" href="#60">60</a> }<a name="61" href="#61">61</a> <a name="62" href="#62">62</a> <strong>public</strong> <strong>void</strong> tearDown() throws Exception {<a name="63" href="#63">63</a> <strong>super</strong>.tearDown();<a name="64" href="#64">64</a> pool.close();<a name="65" href="#65">65</a> pool = <strong>null</strong>;<a name="66" href="#66">66</a> }<a name="67" href="#67">67</a> <a name="68" href="#68">68</a> <em>/**<em>*</em></em><a name="69" href="#69">69</a> <em> * Activation failure on existing object doesn't fail the borrow </em><a name="70" href="#70">70</a> <em> */</em><a name="71" href="#71">71</a> <strong>public</strong> <strong>void</strong> testActivationException() throws Exception {<a name="72" href="#72">72</a> SimpleFactory factory = <strong>new</strong> SimpleFactory(<strong>true</strong>, false);<a name="73" href="#73">73</a> factory.setThrowExceptionOnActivate(<strong>true</strong>);<a name="74" href="#74">74</a> factory.setValidationEnabled(false);<a name="75" href="#75">75</a> GenericObjectPool pool = <strong>new</strong> GenericObjectPool(factory);<a name="76" href="#76">76</a> <a name="77" href="#77">77</a> Object obj1 = pool.borrowObject();<a name="78" href="#78">78</a> pool.returnObject(obj1);<a name="79" href="#79">79</a> <a name="80" href="#80">80</a> <em class="comment">// obj1 was returned to the pool but failed to activate the second borrow</em><a name="81" href="#81">81</a> <em class="comment">// a new object obj2 needs te be created</em><a name="82" href="#82">82</a> Object obj2 = pool.borrowObject();<a name="83" href="#83">83</a> assertTrue(obj1 != obj2); <a name="84" href="#84">84</a> }<a name="85" href="#85">85</a> <a name="86" href="#86">86</a> <em>/**<em>*</em></em><a name="87" href="#87">87</a> <em> * Activation failure on new object fails the borrow </em><a name="88" href="#88">88</a> <em> */</em><a name="89" href="#89">89</a> <strong>public</strong> <strong>void</strong> testActivationExceptionOnNewObject() throws Exception {<a name="90" href="#90">90</a> SimpleFactory factory = <strong>new</strong> SimpleFactory(<strong>true</strong>, false);<a name="91" href="#91">91</a> factory.setThrowExceptionOnActivate(<strong>true</strong>);<a name="92" href="#92">92</a> factory.setValidationEnabled(false);<a name="93" href="#93">93</a> GenericObjectPool pool = <strong>new</strong> GenericObjectPool(factory);<a name="94" href="#94">94</a> <a name="95" href="#95">95</a> Object obj1 = pool.borrowObject();<a name="96" href="#96">96</a> <strong>try</strong> {<a name="97" href="#97">97</a> Object obj2 = pool.borrowObject();<a name="98" href="#98">98</a> System.out.println(<span class="string">"obj1: "</span> + obj1);<a name="99" href="#99">99</a> System.out.println(<span class="string">"obj2: "</span> + obj2);<a name="100" href="#100">100</a> fail(<span class="string">"a second object should have been created and failed to activate"</span>);<a name="101" href="#101">101</a> }<a name="102" href="#102">102</a> <strong>catch</strong> (Exception e) {}<a name="103" href="#103">103</a> }<a name="104" href="#104">104</a> <a name="105" href="#105">105</a> <strong>public</strong> <strong>void</strong> testWhenExhaustedGrow() throws Exception {<a name="106" href="#106">106</a> GenericObjectPool pool = <strong>new</strong> GenericObjectPool(<strong>new</strong> SimpleFactory());<a name="107" href="#107">107</a> pool.setMaxActive(1);<a name="108" href="#108">108</a> pool.setWhenExhaustedAction(GenericObjectPool.WHEN_EXHAUSTED_GROW);<a name="109" href="#109">109</a> Object obj1 = pool.borrowObject();<a name="110" href="#110">110</a> assertNotNull(obj1);<a name="111" href="#111">111</a> Object obj2 = pool.borrowObject();<a name="112" href="#112">112</a> assertNotNull(obj2);<a name="113" href="#113">113</a> pool.returnObject(obj2);<a name="114" href="#114">114</a> pool.returnObject(obj1);<a name="115" href="#115">115</a> pool.close();<a name="116" href="#116">116</a> }<a name="117" href="#117">117</a> <a name="118" href="#118">118</a> <strong>public</strong> <strong>void</strong> testWhenExhaustedFail() throws Exception {<a name="119" href="#119">119</a> GenericObjectPool pool = <strong>new</strong> GenericObjectPool(<strong>new</strong> SimpleFactory());<a name="120" href="#120">120</a> pool.setMaxActive(1);<a name="121" href="#121">121</a> pool.setWhenExhaustedAction(GenericObjectPool.WHEN_EXHAUSTED_FAIL);<a name="122" href="#122">122</a> Object obj1 = pool.borrowObject();<a name="123" href="#123">123</a> assertNotNull(obj1);<a name="124" href="#124">124</a> <strong>try</strong> {<a name="125" href="#125">125</a> pool.borrowObject();<a name="126" href="#126">126</a> fail(<span class="string">"Expected NoSuchElementException"</span>);<a name="127" href="#127">127</a> } <strong>catch</strong>(NoSuchElementException e) {<a name="128" href="#128">128</a> <em class="comment">// expected</em><a name="129" href="#129">129</a> }<a name="130" href="#130">130</a> pool.returnObject(obj1);<a name="131" href="#131">131</a> pool.close();<a name="132" href="#132">132</a> }<a name="133" href="#133">133</a> <a name="134" href="#134">134</a> <strong>public</strong> <strong>void</strong> testWhenExhaustedBlock() throws Exception {<a name="135" href="#135">135</a> GenericObjectPool pool = <strong>new</strong> GenericObjectPool(<strong>new</strong> SimpleFactory());<a name="136" href="#136">136</a> pool.setMaxActive(1);<a name="137" href="#137">137</a> pool.setWhenExhaustedAction(GenericObjectPool.WHEN_EXHAUSTED_BLOCK);<a name="138" href="#138">138</a> pool.setMaxWait(10L);<a name="139" href="#139">139</a> Object obj1 = pool.borrowObject();<a name="140" href="#140">140</a> assertNotNull(obj1);<a name="141" href="#141">141</a> <strong>try</strong> {<a name="142" href="#142">142</a> pool.borrowObject();<a name="143" href="#143">143</a> fail(<span class="string">"Expected NoSuchElementException"</span>);<a name="144" href="#144">144</a> } <strong>catch</strong>(NoSuchElementException e) {<a name="145" href="#145">145</a> <em class="comment">// expected</em><a name="146" href="#146">146</a> }<a name="147" href="#147">147</a> pool.returnObject(obj1);<a name="148" href="#148">148</a> pool.close();<a name="149" href="#149">149</a> }<a name="150" href="#150">150</a> ⌨️ 快捷键说明
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