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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=UTF-8" /><title>FairGenericObjectPool xref</title><link type="text/css" rel="stylesheet" href="../../../../../stylesheet.css" /></head><body><div id="overview"><a href="../../../../../../apidocs/org/apache/commons/pool/impl/FairGenericObjectPool.html">View Javadoc</a></div><pre><a name="1" href="#1">1</a> <em class="comment">/*<em class="comment"> FairGenericObjectPool</em></em><a name="2" href="#2">2</a> <em class="comment">*</em><a name="3" href="#3">3</a> <em class="comment">* $Id: FairGenericObjectPool.java,v 1.2 2006/06/09 22:57:24 gojomo Exp $</em><a name="4" href="#4">4</a> <em class="comment">*</em><a name="5" href="#5">5</a> <em class="comment">* Created on Apr 7, 2006</em><a name="6" href="#6">6</a> <em class="comment">*</em><a name="7" href="#7">7</a> <em class="comment">* Copyright (C) 2006 Internet Archive.</em><a name="8" href="#8">8</a> <em class="comment">*/</em><a name="9" href="#9">9</a> <a name="10" href="#10">10</a> <strong>package</strong> <a href="../../../../../org/apache/commons/pool/impl/package-summary.html">org.apache.commons.pool.impl</a>;<a name="11" href="#11">11</a> <a name="12" href="#12">12</a> <strong>import</strong> java.util.Collections;<a name="13" href="#13">13</a> <strong>import</strong> java.util.LinkedList;<a name="14" href="#14">14</a> <strong>import</strong> java.util.List;<a name="15" href="#15">15</a> <strong>import</strong> java.util.NoSuchElementException;<a name="16" href="#16">16</a> <a name="17" href="#17">17</a> <strong>import</strong> org.apache.commons.pool.PoolableObjectFactory;<a name="18" href="#18">18</a> <strong>import</strong> org.apache.commons.pool.impl.GenericKeyedObjectPool.ObjectTimestampPair;<a name="19" href="#19">19</a> <a name="20" href="#20">20</a> <em>/**<em>*</em></em><a name="21" href="#21">21</a> <em> * Version of GenericObjectPool which is 'fair' with respect to the client</em><a name="22" href="#22">22</a> <em> * threads using {@link #borrowObject <i>borrowObject</i>}. Those which enter</em><a name="23" href="#23">23</a> <em> * first will receive objects from the pool first. </em><a name="24" href="#24">24</a> <em> * </em><a name="25" href="#25">25</a> <em> * </em><a name="26" href="#26">26</a> <em> * @see GenericObjectPool</em><a name="27" href="#27">27</a> <em> * @author Gordon Mohr</em><a name="28" href="#28">28</a> <em> * @version $Revision: 1.2 $ $Date: 2006/06/09 22:57:24 $</em><a name="29" href="#29">29</a> <em> */</em><a name="30" href="#30">30</a> <strong>public</strong> <strong>class</strong> <a href="../../../../../org/apache/commons/pool/impl/FairGenericObjectPool.html">FairGenericObjectPool</a> <strong>extends</strong> <a href="../../../../../org/apache/commons/pool/impl/GenericObjectPool.html">GenericObjectPool</a> {<a name="31" href="#31">31</a> <a name="32" href="#32">32</a> <em class="comment">//--- constructors -----------------------------------------------</em><a name="33" href="#33">33</a> <em class="comment">// (all copied from superclass; only last adds one additional line of</em><a name="34" href="#34">34</a> <em class="comment">// initialization and call to superclass)</em><a name="35" href="#35">35</a> <a name="36" href="#36">36</a> <em>/**<em>*</em></em><a name="37" href="#37">37</a> <em> * Create a new <tt>FairGenericObjectPool</tt>.</em><a name="38" href="#38">38</a> <em> */</em><a name="39" href="#39">39</a> <strong>public</strong> <a href="../../../../../org/apache/commons/pool/impl/FairGenericObjectPool.html">FairGenericObjectPool</a>() {<a name="40" href="#40">40</a> <strong>this</strong>(<strong>null</strong>,DEFAULT_MAX_ACTIVE,DEFAULT_WHEN_EXHAUSTED_ACTION,DEFAULT_MAX_WAIT,DEFAULT_MAX_IDLE,DEFAULT_MIN_IDLE,DEFAULT_TEST_ON_BORROW,DEFAULT_TEST_ON_RETURN,DEFAULT_TIME_BETWEEN_EVICTION_RUNS_MILLIS,DEFAULT_NUM_TESTS_PER_EVICTION_RUN,DEFAULT_MIN_EVICTABLE_IDLE_TIME_MILLIS,DEFAULT_TEST_WHILE_IDLE);<a name="41" href="#41">41</a> }<a name="42" href="#42">42</a> <a name="43" href="#43">43</a> <em>/**<em>*</em></em><a name="44" href="#44">44</a> <em> * Create a new <tt>FairGenericObjectPool</tt> using the specified values.</em><a name="45" href="#45">45</a> <em> * @param factory the (possibly <tt>null</tt>)PoolableObjectFactory to use to create, validate and destroy objects</em><a name="46" href="#46">46</a> <em> */</em><a name="47" href="#47">47</a> <strong>public</strong> <a href="../../../../../org/apache/commons/pool/impl/FairGenericObjectPool.html">FairGenericObjectPool</a>(PoolableObjectFactory factory) {<a name="48" href="#48">48</a> <strong>this</strong>(factory,DEFAULT_MAX_ACTIVE,DEFAULT_WHEN_EXHAUSTED_ACTION,DEFAULT_MAX_WAIT,DEFAULT_MAX_IDLE,DEFAULT_MIN_IDLE,DEFAULT_TEST_ON_BORROW,DEFAULT_TEST_ON_RETURN,DEFAULT_TIME_BETWEEN_EVICTION_RUNS_MILLIS,DEFAULT_NUM_TESTS_PER_EVICTION_RUN,DEFAULT_MIN_EVICTABLE_IDLE_TIME_MILLIS,DEFAULT_TEST_WHILE_IDLE);<a name="49" href="#49">49</a> }<a name="50" href="#50">50</a> <a name="51" href="#51">51</a> <em>/**<em>*</em></em><a name="52" href="#52">52</a> <em> * Create a new <tt>FairGenericObjectPool</tt> using the specified values.</em><a name="53" href="#53">53</a> <em> * @param factory the (possibly <tt>null</tt>)PoolableObjectFactory to use to create, validate and destroy objects</em><a name="54" href="#54">54</a> <em> * @param config a non-<tt>null</tt> {@link GenericObjectPool.Config} describing my configuration</em><a name="55" href="#55">55</a> <em> */</em><a name="56" href="#56">56</a> <strong>public</strong> <a href="../../../../../org/apache/commons/pool/impl/FairGenericObjectPool.html">FairGenericObjectPool</a>(PoolableObjectFactory factory, GenericObjectPool.Config config) {<a name="57" href="#57">57</a> <strong>this</strong>(factory,config.maxActive,config.whenExhaustedAction,config.maxWait,config.maxIdle,config.minIdle,config.testOnBorrow,config.testOnReturn,config.timeBetweenEvictionRunsMillis,config.numTestsPerEvictionRun,config.minEvictableIdleTimeMillis,config.testWhileIdle);<a name="58" href="#58">58</a> }<a name="59" href="#59">59</a> <a name="60" href="#60">60</a> <em>/**<em>*</em></em><a name="61" href="#61">61</a> <em> * Create a new <tt>FairGenericObjectPool</tt> using the specified values.</em><a name="62" href="#62">62</a> <em> * @param factory the (possibly <tt>null</tt>)PoolableObjectFactory to use to create, validate and destroy objects</em><a name="63" href="#63">63</a> <em> * @param maxActive the maximum number of objects that can be borrowed from me at one time (see {@link #setMaxActive})</em><a name="64" href="#64">64</a> <em> */</em><a name="65" href="#65">65</a> <strong>public</strong> <a href="../../../../../org/apache/commons/pool/impl/FairGenericObjectPool.html">FairGenericObjectPool</a>(PoolableObjectFactory factory, <strong>int</strong> maxActive) {<a name="66" href="#66">66</a> <strong>this</strong>(factory,maxActive,DEFAULT_WHEN_EXHAUSTED_ACTION,DEFAULT_MAX_WAIT,DEFAULT_MAX_IDLE,DEFAULT_MIN_IDLE,DEFAULT_TEST_ON_BORROW,DEFAULT_TEST_ON_RETURN,DEFAULT_TIME_BETWEEN_EVICTION_RUNS_MILLIS,DEFAULT_NUM_TESTS_PER_EVICTION_RUN,DEFAULT_MIN_EVICTABLE_IDLE_TIME_MILLIS,DEFAULT_TEST_WHILE_IDLE);<a name="67" href="#67">67</a> }<a name="68" href="#68">68</a> <a name="69" href="#69">69</a> <em>/**<em>*</em></em><a name="70" href="#70">70</a> <em> * Create a new <tt>FairGenericObjectPool</tt> using the specified values.</em><a name="71" href="#71">71</a> <em> * @param factory the (possibly <tt>null</tt>)PoolableObjectFactory to use to create, validate and destroy objects</em><a name="72" href="#72">72</a> <em> * @param maxActive the maximum number of objects that can be borrowed from me at one time (see {@link #setMaxActive})</em><a name="73" href="#73">73</a> <em> * @param whenExhaustedAction the action to take when the pool is exhausted (see {@link #getWhenExhaustedAction})</em><a name="74" href="#74">74</a> <em> * @param maxWait the maximum amount of time to wait for an idle object when the pool is exhausted an and <i>whenExhaustedAction</i> is {@link #WHEN_EXHAUSTED_BLOCK} (otherwise ignored) (see {@link #getMaxWait})</em><a name="75" href="#75">75</a> <em> */</em><a name="76" href="#76">76</a> <strong>public</strong> <a href="../../../../../org/apache/commons/pool/impl/FairGenericObjectPool.html">FairGenericObjectPool</a>(PoolableObjectFactory factory, <strong>int</strong> maxActive, byte whenExhaustedAction, <strong>long</strong> maxWait) {<a name="77" href="#77">77</a> <strong>this</strong>(factory,maxActive,whenExhaustedAction,maxWait,DEFAULT_MAX_IDLE,DEFAULT_MIN_IDLE,DEFAULT_TEST_ON_BORROW,DEFAULT_TEST_ON_RETURN,DEFAULT_TIME_BETWEEN_EVICTION_RUNS_MILLIS,DEFAULT_NUM_TESTS_PER_EVICTION_RUN,DEFAULT_MIN_EVICTABLE_IDLE_TIME_MILLIS,DEFAULT_TEST_WHILE_IDLE);<a name="78" href="#78">78</a> }<a name="79" href="#79">79</a> <a name="80" href="#80">80</a> <em>/**<em>*</em></em><a name="81" href="#81">81</a> <em> * Create a new <tt>FairGenericObjectPool</tt> using the specified values.</em><a name="82" href="#82">82</a> <em> * @param factory the (possibly <tt>null</tt>)PoolableObjectFactory to use to create, validate and destroy objects</em><a name="83" href="#83">83</a> <em> * @param maxActive the maximum number of objects that can be borrowed from me at one time (see {@link #setMaxActive})</em><a name="84" href="#84">84</a> <em> * @param whenExhaustedAction the action to take when the pool is exhausted (see {@link #getWhenExhaustedAction})</em><a name="85" href="#85">85</a> <em> * @param maxWait the maximum amount of time to wait for an idle object when the pool is exhausted an and <i>whenExhaustedAction</i> is {@link #WHEN_EXHAUSTED_BLOCK} (otherwise ignored) (see {@link #getMaxWait})</em><a name="86" href="#86">86</a> <em> * @param testOnBorrow whether or not to validate objects before they are returned by the {@link #borrowObject} method (see {@link #getTestOnBorrow})</em><a name="87" href="#87">87</a> <em> * @param testOnReturn whether or not to validate objects after they are returned to the {@link #returnObject} method (see {@link #getTestOnReturn})</em><a name="88" href="#88">88</a> <em> */</em><a name="89" href="#89">89</a> <strong>public</strong> <a href="../../../../../org/apache/commons/pool/impl/FairGenericObjectPool.html">FairGenericObjectPool</a>(PoolableObjectFactory factory, <strong>int</strong> maxActive, byte whenExhaustedAction, <strong>long</strong> maxWait, <strong>boolean</strong> testOnBorrow, <strong>boolean</strong> testOnReturn) {<a name="90" href="#90">90</a> <strong>this</strong>(factory,maxActive,whenExhaustedAction,maxWait,DEFAULT_MAX_IDLE,DEFAULT_MIN_IDLE,testOnBorrow,testOnReturn,DEFAULT_TIME_BETWEEN_EVICTION_RUNS_MILLIS,DEFAULT_NUM_TESTS_PER_EVICTION_RUN,DEFAULT_MIN_EVICTABLE_IDLE_TIME_MILLIS,DEFAULT_TEST_WHILE_IDLE);<a name="91" href="#91">91</a> }<a name="92" href="#92">92</a> <a name="93" href="#93">93</a> <em>/**<em>*</em></em><a name="94" href="#94">94</a> <em> * Create a new <tt>FairGenericObjectPool</tt> using the specified values.</em><a name="95" href="#95">95</a> <em> * @param factory the (possibly <tt>null</tt>)PoolableObjectFactory to use to create, validate and destroy objects</em><a name="96" href="#96">96</a> <em> * @param maxActive the maximum number of objects that can be borrowed from me at one time (see {@link #setMaxActive})</em><a name="97" href="#97">97</a> <em> * @param whenExhaustedAction the action to take when the pool is exhausted (see {@link #getWhenExhaustedAction})</em><a name="98" href="#98">98</a> <em> * @param maxWait the maximum amount of time to wait for an idle object when the pool is exhausted an and <i>whenExhaustedAction</i> is {@link #WHEN_EXHAUSTED_BLOCK} (otherwise ignored) (see {@link #getMaxWait})</em><a name="99" href="#99">99</a> <em> * @param maxIdle the maximum number of idle objects in my pool (see {@link #getMaxIdle})</em>⌨️ 快捷键说明
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