Modified: websites/production/turbine/content/fulcrum/fulcrum-pool/xref/org/apache/fulcrum/pool/DefaultPoolService.html ============================================================================== --- websites/production/turbine/content/fulcrum/fulcrum-pool/xref/org/apache/fulcrum/pool/DefaultPoolService.html (original) +++ websites/production/turbine/content/fulcrum/fulcrum-pool/xref/org/apache/fulcrum/pool/DefaultPoolService.html Tue May 21 03:41:41 2019 @@ -1,663 +1,463 @@ <!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" /> +<head><meta http-equiv="content-type" content="text/html; charset=UTF-8" /> <title>DefaultPoolService xref</title> <link type="text/css" rel="stylesheet" href="../../../../stylesheet.css" /> </head> <body> <div id="overview"><a href="../../../../../apidocs/org/apache/fulcrum/pool/DefaultPoolService.html">View Javadoc</a></div><pre> - -<a name="1" href="#1">1</a> <strong class="jxr_keyword">package</strong> org.apache.fulcrum.pool; -<a name="2" href="#2">2</a> -<a name="3" href="#3">3</a> <em class="jxr_comment">/*</em> -<a name="4" href="#4">4</a> <em class="jxr_comment"> * Licensed to the Apache Software Foundation (ASF) under one</em> -<a name="5" href="#5">5</a> <em class="jxr_comment"> * or more contributor license agreements. See the NOTICE file</em> -<a name="6" href="#6">6</a> <em class="jxr_comment"> * distributed with this work for additional information</em> -<a name="7" href="#7">7</a> <em class="jxr_comment"> * regarding copyright ownership. The ASF licenses this file</em> -<a name="8" href="#8">8</a> <em class="jxr_comment"> * to you under the Apache License, Version 2.0 (the</em> -<a name="9" href="#9">9</a> <em class="jxr_comment"> * "License"); you may not use this file except in compliance</em> -<a name="10" href="#10">10</a> <em class="jxr_comment"> * with the License. You may obtain a copy of the License at</em> -<a name="11" href="#11">11</a> <em class="jxr_comment"> *</em> -<a name="12" href="#12">12</a> <em class="jxr_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="13" href="#13">13</a> <em class="jxr_comment"> *</em> -<a name="14" href="#14">14</a> <em class="jxr_comment"> * Unless required by applicable law or agreed to in writing,</em> -<a name="15" href="#15">15</a> <em class="jxr_comment"> * software distributed under the License is distributed on an</em> -<a name="16" href="#16">16</a> <em class="jxr_comment"> * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY</em> -<a name="17" href="#17">17</a> <em class="jxr_comment"> * KIND, either express or implied. See the License for the</em> -<a name="18" href="#18">18</a> <em class="jxr_comment"> * specific language governing permissions and limitations</em> -<a name="19" href="#19">19</a> <em class="jxr_comment"> * under the License.</em> -<a name="20" href="#20">20</a> <em class="jxr_comment"> */</em> -<a name="21" href="#21">21</a> -<a name="22" href="#22">22</a> <strong class="jxr_keyword">import</strong> java.lang.reflect.Method; -<a name="23" href="#23">23</a> <strong class="jxr_keyword">import</strong> java.util.ArrayList; -<a name="24" href="#24">24</a> <strong class="jxr_keyword">import</strong> java.util.HashMap; -<a name="25" href="#25">25</a> <strong class="jxr_keyword">import</strong> java.util.Iterator; -<a name="26" href="#26">26</a> <strong class="jxr_keyword">import</strong> java.util.Map; -<a name="27" href="#27">27</a> <strong class="jxr_keyword">import</strong> org.apache.avalon.framework.activity.Disposable; -<a name="28" href="#28">28</a> <strong class="jxr_keyword">import</strong> org.apache.avalon.framework.activity.Initializable; -<a name="29" href="#29">29</a> <strong class="jxr_keyword">import</strong> org.apache.avalon.framework.service.ServiceManager; -<a name="30" href="#30">30</a> <strong class="jxr_keyword">import</strong> org.apache.avalon.framework.service.Serviceable; -<a name="31" href="#31">31</a> <strong class="jxr_keyword">import</strong> org.apache.avalon.framework.configuration.Configurable; -<a name="32" href="#32">32</a> <strong class="jxr_keyword">import</strong> org.apache.avalon.framework.configuration.Configuration; -<a name="33" href="#33">33</a> <strong class="jxr_keyword">import</strong> org.apache.avalon.framework.logger.AbstractLogEnabled; -<a name="34" href="#34">34</a> <strong class="jxr_keyword">import</strong> org.apache.fulcrum.factory.FactoryException; -<a name="35" href="#35">35</a> <strong class="jxr_keyword">import</strong> org.apache.fulcrum.factory.FactoryService; -<a name="36" href="#36">36</a> -<a name="37" href="#37">37</a> <em class="jxr_javadoccomment">/**</em> -<a name="38" href="#38">38</a> <em class="jxr_javadoccomment"> * The Pool Service extends the Factory Service by adding support</em> -<a name="39" href="#39">39</a> <em class="jxr_javadoccomment"> * for pooling instantiated objects. When a new instance is</em> -<a name="40" href="#40">40</a> <em class="jxr_javadoccomment"> * requested, the service first checks its pool if one is available.</em> -<a name="41" href="#41">41</a> <em class="jxr_javadoccomment"> * If the the pool is empty, a new instance will be requested</em> -<a name="42" href="#42">42</a> <em class="jxr_javadoccomment"> * from the FactoryService.</em> -<a name="43" href="#43">43</a> <em class="jxr_javadoccomment"> *</em> -<a name="44" href="#44">44</a> <em class="jxr_javadoccomment"> * For objects implementing the Recyclable interface, a recycle</em> -<a name="45" href="#45">45</a> <em class="jxr_javadoccomment"> * method will be called, when they taken from the pool, and</em> -<a name="46" href="#46">46</a> <em class="jxr_javadoccomment"> * a dispose method, when they are returned to the pool.</em> -<a name="47" href="#47">47</a> <em class="jxr_javadoccomment"> *</em> -<a name="48" href="#48">48</a> <em class="jxr_javadoccomment"> * @author <a href="<a href="mailto:[email protected]"; target="alexandria_uri">mailto:[email protected]</a>">Ilkka Priha</a></em> -<a name="49" href="#49">49</a> <em class="jxr_javadoccomment"> * @author <a href="<a href="mailto:[email protected]"; target="alexandria_uri">mailto:[email protected]</a>">Stephen McConnell</a></em> -<a name="50" href="#50">50</a> <em class="jxr_javadoccomment"> * @version $Id: DefaultPoolService.java 670330 2008-06-22 09:37:21Z tv $</em> -<a name="51" href="#51">51</a> <em class="jxr_javadoccomment"> *</em> -<a name="52" href="#52">52</a> <em class="jxr_javadoccomment"> * @avalon.component name="pool" lifestyle="transient"</em> -<a name="53" href="#53">53</a> <em class="jxr_javadoccomment"> * @avalon.service type="org.apache.fulcrum.pool.PoolService"</em> -<a name="54" href="#54">54</a> <em class="jxr_javadoccomment"> */</em> -<a name="55" href="#55">55</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../org/apache/fulcrum/pool/DefaultPoolService.html">DefaultPoolService</a> <strong class="jxr_keyword">extends</strong> AbstractLogEnabled implements PoolService, Serviceable, Disposable, Initializable, Configurable -<a name="56" href="#56">56</a> { -<a name="57" href="#57">57</a> <em class="jxr_javadoccomment">/**</em> -<a name="58" href="#58">58</a> <em class="jxr_javadoccomment"> * The property specifying the pool capacity.</em> -<a name="59" href="#59">59</a> <em class="jxr_javadoccomment"> */</em> -<a name="60" href="#60">60</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> String POOL_CAPACITY = <span class="jxr_string">"capacity"</span>; -<a name="61" href="#61">61</a> <em class="jxr_javadoccomment">/**</em> -<a name="62" href="#62">62</a> <em class="jxr_javadoccomment"> * An inner class for class specific pools.</em> -<a name="63" href="#63">63</a> <em class="jxr_javadoccomment"> */</em> -<a name="64" href="#64">64</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../org/apache/fulcrum/pool/DefaultPoolService.html">PoolBuffer</a> -<a name="65" href="#65">65</a> { -<a name="66" href="#66">66</a> <em class="jxr_javadoccomment">/**</em> -<a name="67" href="#67">67</a> <em class="jxr_javadoccomment"> * An inner class for cached recycle methods.</em> -<a name="68" href="#68">68</a> <em class="jxr_javadoccomment"> */</em> -<a name="69" href="#69">69</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../org/apache/fulcrum/pool/DefaultPoolService.html">Recycler</a> -<a name="70" href="#70">70</a> { -<a name="71" href="#71">71</a> <em class="jxr_javadoccomment">/**</em> -<a name="72" href="#72">72</a> <em class="jxr_javadoccomment"> * The method.</em> -<a name="73" href="#73">73</a> <em class="jxr_javadoccomment"> */</em> -<a name="74" href="#74">74</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> Method recycle; -<a name="75" href="#75">75</a> <em class="jxr_javadoccomment">/**</em> -<a name="76" href="#76">76</a> <em class="jxr_javadoccomment"> * The signature.</em> -<a name="77" href="#77">77</a> <em class="jxr_javadoccomment"> */</em> -<a name="78" href="#78">78</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> String[] signature; -<a name="79" href="#79">79</a> <em class="jxr_javadoccomment">/**</em> -<a name="80" href="#80">80</a> <em class="jxr_javadoccomment"> * Constructs a new recycler.</em> -<a name="81" href="#81">81</a> <em class="jxr_javadoccomment"> *</em> -<a name="82" href="#82">82</a> <em class="jxr_javadoccomment"> * @param rec the recycle method.</em> -<a name="83" href="#83">83</a> <em class="jxr_javadoccomment"> * @param sign the signature.</em> -<a name="84" href="#84">84</a> <em class="jxr_javadoccomment"> */</em> -<a name="85" href="#85">85</a> <strong class="jxr_keyword">public</strong> <a href="../../../../org/apache/fulcrum/pool/DefaultPoolService.html">Recycler</a>(Method rec, String[] sign) -<a name="86" href="#86">86</a> { -<a name="87" href="#87">87</a> recycle = rec; -<a name="88" href="#88">88</a> signature = (sign != <strong class="jxr_keyword">null</strong>) && (sign.length > 0) ? sign : <strong class="jxr_keyword">null</strong>; -<a name="89" href="#89">89</a> } -<a name="90" href="#90">90</a> <em class="jxr_javadoccomment">/**</em> -<a name="91" href="#91">91</a> <em class="jxr_javadoccomment"> * Matches the given signature against</em> -<a name="92" href="#92">92</a> <em class="jxr_javadoccomment"> * that of the recycle method of this recycler.</em> -<a name="93" href="#93">93</a> <em class="jxr_javadoccomment"> *</em> -<a name="94" href="#94">94</a> <em class="jxr_javadoccomment"> * @param sign the signature.</em> -<a name="95" href="#95">95</a> <em class="jxr_javadoccomment"> * @return the matching recycle method or null.</em> -<a name="96" href="#96">96</a> <em class="jxr_javadoccomment"> */</em> -<a name="97" href="#97">97</a> <strong class="jxr_keyword">public</strong> Method match(String[] sign) -<a name="98" href="#98">98</a> { -<a name="99" href="#99">99</a> <strong class="jxr_keyword">if</strong> ((sign != <strong class="jxr_keyword">null</strong>) && (sign.length > 0)) -<a name="100" href="#100">100</a> { -<a name="101" href="#101">101</a> <strong class="jxr_keyword">if</strong> ((signature != <strong class="jxr_keyword">null</strong>) && (sign.length == signature.length)) -<a name="102" href="#102">102</a> { -<a name="103" href="#103">103</a> <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = 0; i < signature.length; i++) -<a name="104" href="#104">104</a> { -<a name="105" href="#105">105</a> <strong class="jxr_keyword">if</strong> (!signature[i].equals(sign[i])) -<a name="106" href="#106">106</a> { -<a name="107" href="#107">107</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">null</strong>; -<a name="108" href="#108">108</a> } -<a name="109" href="#109">109</a> } -<a name="110" href="#110">110</a> <strong class="jxr_keyword">return</strong> recycle; -<a name="111" href="#111">111</a> } -<a name="112" href="#112">112</a> <strong class="jxr_keyword">else</strong> -<a name="113" href="#113">113</a> { -<a name="114" href="#114">114</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">null</strong>; -<a name="115" href="#115">115</a> } -<a name="116" href="#116">116</a> } -<a name="117" href="#117">117</a> <strong class="jxr_keyword">else</strong> <strong class="jxr_keyword">if</strong> (signature == <strong class="jxr_keyword">null</strong>) -<a name="118" href="#118">118</a> { -<a name="119" href="#119">119</a> <strong class="jxr_keyword">return</strong> recycle; -<a name="120" href="#120">120</a> } -<a name="121" href="#121">121</a> <strong class="jxr_keyword">else</strong> -<a name="122" href="#122">122</a> { -<a name="123" href="#123">123</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">null</strong>; -<a name="124" href="#124">124</a> } -<a name="125" href="#125">125</a> } -<a name="126" href="#126">126</a> } -<a name="127" href="#127">127</a> <em class="jxr_javadoccomment">/**</em> -<a name="128" href="#128">128</a> <em class="jxr_javadoccomment"> * A buffer for class instances.</em> -<a name="129" href="#129">129</a> <em class="jxr_javadoccomment"> */</em> -<a name="130" href="#130">130</a> <strong class="jxr_keyword">private</strong> <a href="../../../../org/apache/fulcrum/pool/BoundedBuffer.html">BoundedBuffer</a> pool; -<a name="131" href="#131">131</a> <em class="jxr_javadoccomment">/**</em> -<a name="132" href="#132">132</a> <em class="jxr_javadoccomment"> * A flag to determine if a more efficient recycler is implemented.</em> -<a name="133" href="#133">133</a> <em class="jxr_javadoccomment"> */</em> -<a name="134" href="#134">134</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">boolean</strong> arrayCtorRecyclable; -<a name="135" href="#135">135</a> <em class="jxr_javadoccomment">/**</em> -<a name="136" href="#136">136</a> <em class="jxr_javadoccomment"> * A cache for recycling methods.</em> -<a name="137" href="#137">137</a> <em class="jxr_javadoccomment"> */</em> -<a name="138" href="#138">138</a> <strong class="jxr_keyword">private</strong> ArrayList recyclers; -<a name="139" href="#139">139</a> <em class="jxr_javadoccomment">/**</em> -<a name="140" href="#140">140</a> <em class="jxr_javadoccomment"> * Contructs a new pool buffer with a specific capacity.</em> -<a name="141" href="#141">141</a> <em class="jxr_javadoccomment"> *</em> -<a name="142" href="#142">142</a> <em class="jxr_javadoccomment"> * @param capacity a capacity.</em> -<a name="143" href="#143">143</a> <em class="jxr_javadoccomment"> */</em> -<a name="144" href="#144">144</a> <strong class="jxr_keyword">public</strong> <a href="../../../../org/apache/fulcrum/pool/DefaultPoolService.html">PoolBuffer</a>(<strong class="jxr_keyword">int</strong> capacity) -<a name="145" href="#145">145</a> { -<a name="146" href="#146">146</a> pool = <strong class="jxr_keyword">new</strong> <a href="../../../../org/apache/fulcrum/pool/BoundedBuffer.html">BoundedBuffer</a>(capacity); -<a name="147" href="#147">147</a> } -<a name="148" href="#148">148</a> <em class="jxr_javadoccomment">/**</em> -<a name="149" href="#149">149</a> <em class="jxr_javadoccomment"> * Tells pool that it contains objects which can be</em> -<a name="150" href="#150">150</a> <em class="jxr_javadoccomment"> * initialized using an Object array.</em> -<a name="151" href="#151">151</a> <em class="jxr_javadoccomment"> *</em> -<a name="152" href="#152">152</a> <em class="jxr_javadoccomment"> * @param isArrayCtor a <code>boolean</code> value</em> -<a name="153" href="#153">153</a> <em class="jxr_javadoccomment"> */</em> -<a name="154" href="#154">154</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> setArrayCtorRecyclable(<strong class="jxr_keyword">boolean</strong> isArrayCtor) -<a name="155" href="#155">155</a> { -<a name="156" href="#156">156</a> arrayCtorRecyclable = isArrayCtor; -<a name="157" href="#157">157</a> } -<a name="158" href="#158">158</a> <em class="jxr_javadoccomment">/**</em> -<a name="159" href="#159">159</a> <em class="jxr_javadoccomment"> * Polls for an instance from the pool.</em> -<a name="160" href="#160">160</a> <em class="jxr_javadoccomment"> *</em> -<a name="161" href="#161">161</a> <em class="jxr_javadoccomment"> * @return an instance or null.</em> -<a name="162" href="#162">162</a> <em class="jxr_javadoccomment"> */</em> -<a name="163" href="#163">163</a> <strong class="jxr_keyword">public</strong> Object poll(Object[] params, String[] signature) <strong class="jxr_keyword">throws</strong> PoolException -<a name="164" href="#164">164</a> { -<a name="165" href="#165">165</a> Object instance = pool.poll(); -<a name="166" href="#166">166</a> <strong class="jxr_keyword">if</strong> (instance != <strong class="jxr_keyword">null</strong>) -<a name="167" href="#167">167</a> { -<a name="168" href="#168">168</a> <strong class="jxr_keyword">if</strong> (arrayCtorRecyclable) -<a name="169" href="#169">169</a> { -<a name="170" href="#170">170</a> ((<a href="../../../../org/apache/fulcrum/pool/ArrayCtorRecyclable.html">ArrayCtorRecyclable</a>) instance).recycle(params); -<a name="171" href="#171">171</a> } -<a name="172" href="#172">172</a> <strong class="jxr_keyword">else</strong> <strong class="jxr_keyword">if</strong> (instance instanceof Recyclable) -<a name="173" href="#173">173</a> { -<a name="174" href="#174">174</a> <strong class="jxr_keyword">try</strong> -<a name="175" href="#175">175</a> { -<a name="176" href="#176">176</a> <strong class="jxr_keyword">if</strong> ((signature != <strong class="jxr_keyword">null</strong>) && (signature.length > 0)) -<a name="177" href="#177">177</a> { -<a name="178" href="#178">178</a> <em class="jxr_comment">/*<em class="jxr_comment"> Get the recycle method from the cache. */</em></em> -<a name="179" href="#179">179</a> Method recycle = getRecycle(signature); -<a name="180" href="#180">180</a> <strong class="jxr_keyword">if</strong> (recycle == <strong class="jxr_keyword">null</strong>) -<a name="181" href="#181">181</a> { -<a name="182" href="#182">182</a> <strong class="jxr_keyword">synchronized</strong> (<strong class="jxr_keyword">this</strong>) -<a name="183" href="#183">183</a> { -<a name="184" href="#184">184</a> <em class="jxr_comment">/*<em class="jxr_comment"> Make a synchronized recheck. */</em></em> -<a name="185" href="#185">185</a> recycle = getRecycle(signature); -<a name="186" href="#186">186</a> <strong class="jxr_keyword">if</strong> (recycle == <strong class="jxr_keyword">null</strong>) -<a name="187" href="#187">187</a> { -<a name="188" href="#188">188</a> Class clazz = instance.getClass(); -<a name="189" href="#189">189</a> recycle = -<a name="190" href="#190">190</a> clazz.getMethod( -<a name="191" href="#191">191</a> <span class="jxr_string">"recycle"</span>, -<a name="192" href="#192">192</a> getFactory().getSignature(clazz, params, signature)); -<a name="193" href="#193">193</a> ArrayList cache = -<a name="194" href="#194">194</a> recyclers != <strong class="jxr_keyword">null</strong> ? (ArrayList) recyclers.clone() : <strong class="jxr_keyword">new</strong> ArrayList(); -<a name="195" href="#195">195</a> cache.add(<strong class="jxr_keyword">new</strong> <a href="../../../../org/apache/fulcrum/pool/DefaultPoolService.html">Recycler</a>(recycle, signature)); -<a name="196" href="#196">196</a> recyclers = cache; -<a name="197" href="#197">197</a> } -<a name="198" href="#198">198</a> } -<a name="199" href="#199">199</a> } -<a name="200" href="#200">200</a> recycle.invoke(instance, params); -<a name="201" href="#201">201</a> } -<a name="202" href="#202">202</a> <strong class="jxr_keyword">else</strong> -<a name="203" href="#203">203</a> { -<a name="204" href="#204">204</a> ((<a href="../../../../org/apache/fulcrum/pool/Recyclable.html">Recyclable</a>) instance).recycle(); -<a name="205" href="#205">205</a> } -<a name="206" href="#206">206</a> } -<a name="207" href="#207">207</a> <strong class="jxr_keyword">catch</strong> (Exception x) -<a name="208" href="#208">208</a> { -<a name="209" href="#209">209</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../org/apache/fulcrum/pool/PoolException.html">PoolException</a>(<span class="jxr_string">"Recycling failed for "</span> + instance.getClass().getName(), x); -<a name="210" href="#210">210</a> } -<a name="211" href="#211">211</a> } -<a name="212" href="#212">212</a> } -<a name="213" href="#213">213</a> <strong class="jxr_keyword">return</strong> instance; -<a name="214" href="#214">214</a> } -<a name="215" href="#215">215</a> <em class="jxr_javadoccomment">/**</em> -<a name="216" href="#216">216</a> <em class="jxr_javadoccomment"> * Offers an instance to the pool.</em> -<a name="217" href="#217">217</a> <em class="jxr_javadoccomment"> *</em> -<a name="218" href="#218">218</a> <em class="jxr_javadoccomment"> * @param instance an instance.</em> -<a name="219" href="#219">219</a> <em class="jxr_javadoccomment"> */</em> -<a name="220" href="#220">220</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">boolean</strong> offer(Object instance) -<a name="221" href="#221">221</a> { -<a name="222" href="#222">222</a> <strong class="jxr_keyword">if</strong> (instance instanceof Recyclable) -<a name="223" href="#223">223</a> { -<a name="224" href="#224">224</a> <strong class="jxr_keyword">try</strong> -<a name="225" href="#225">225</a> { -<a name="226" href="#226">226</a> ((<a href="../../../../org/apache/fulcrum/pool/Recyclable.html">Recyclable</a>) instance).dispose(); -<a name="227" href="#227">227</a> } -<a name="228" href="#228">228</a> <strong class="jxr_keyword">catch</strong> (Exception x) -<a name="229" href="#229">229</a> { -<a name="230" href="#230">230</a> <strong class="jxr_keyword">return</strong> false; -<a name="231" href="#231">231</a> } -<a name="232" href="#232">232</a> } -<a name="233" href="#233">233</a> <strong class="jxr_keyword">return</strong> pool.offer(instance); -<a name="234" href="#234">234</a> } -<a name="235" href="#235">235</a> <em class="jxr_javadoccomment">/**</em> -<a name="236" href="#236">236</a> <em class="jxr_javadoccomment"> * Returns the capacity of the pool.</em> -<a name="237" href="#237">237</a> <em class="jxr_javadoccomment"> *</em> -<a name="238" href="#238">238</a> <em class="jxr_javadoccomment"> * @return the capacity.</em> -<a name="239" href="#239">239</a> <em class="jxr_javadoccomment"> */</em> -<a name="240" href="#240">240</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">int</strong> capacity() -<a name="241" href="#241">241</a> { -<a name="242" href="#242">242</a> <strong class="jxr_keyword">return</strong> pool.capacity(); -<a name="243" href="#243">243</a> } -<a name="244" href="#244">244</a> <em class="jxr_javadoccomment">/**</em> -<a name="245" href="#245">245</a> <em class="jxr_javadoccomment"> * Returns the size of the pool.</em> -<a name="246" href="#246">246</a> <em class="jxr_javadoccomment"> *</em> -<a name="247" href="#247">247</a> <em class="jxr_javadoccomment"> * @return the size.</em> -<a name="248" href="#248">248</a> <em class="jxr_javadoccomment"> */</em> -<a name="249" href="#249">249</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">int</strong> size() -<a name="250" href="#250">250</a> { -<a name="251" href="#251">251</a> <strong class="jxr_keyword">return</strong> pool.size(); -<a name="252" href="#252">252</a> } -<a name="253" href="#253">253</a> <em class="jxr_javadoccomment">/**</em> -<a name="254" href="#254">254</a> <em class="jxr_javadoccomment"> * Returns a cached recycle method</em> -<a name="255" href="#255">255</a> <em class="jxr_javadoccomment"> * corresponding to the given signature.</em> -<a name="256" href="#256">256</a> <em class="jxr_javadoccomment"> *</em> -<a name="257" href="#257">257</a> <em class="jxr_javadoccomment"> * @param signature the signature.</em> -<a name="258" href="#258">258</a> <em class="jxr_javadoccomment"> * @return the recycle method or null.</em> -<a name="259" href="#259">259</a> <em class="jxr_javadoccomment"> */</em> -<a name="260" href="#260">260</a> <strong class="jxr_keyword">private</strong> Method getRecycle(String[] signature) -<a name="261" href="#261">261</a> { -<a name="262" href="#262">262</a> ArrayList cache = recyclers; -<a name="263" href="#263">263</a> <strong class="jxr_keyword">if</strong> (cache != <strong class="jxr_keyword">null</strong>) -<a name="264" href="#264">264</a> { -<a name="265" href="#265">265</a> Method recycle; -<a name="266" href="#266">266</a> <strong class="jxr_keyword">for</strong> (Iterator i = cache.iterator(); i.hasNext();) -<a name="267" href="#267">267</a> { -<a name="268" href="#268">268</a> recycle = ((Recycler) i.next()).match(signature); -<a name="269" href="#269">269</a> <strong class="jxr_keyword">if</strong> (recycle != <strong class="jxr_keyword">null</strong>) -<a name="270" href="#270">270</a> { -<a name="271" href="#271">271</a> <strong class="jxr_keyword">return</strong> recycle; -<a name="272" href="#272">272</a> } -<a name="273" href="#273">273</a> } -<a name="274" href="#274">274</a> } -<a name="275" href="#275">275</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">null</strong>; -<a name="276" href="#276">276</a> } -<a name="277" href="#277">277</a> } -<a name="278" href="#278">278</a> <em class="jxr_javadoccomment">/**</em> -<a name="279" href="#279">279</a> <em class="jxr_javadoccomment"> * The default capacity of pools.</em> -<a name="280" href="#280">280</a> <em class="jxr_javadoccomment"> */</em> -<a name="281" href="#281">281</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">int</strong> poolCapacity = DEFAULT_POOL_CAPACITY; -<a name="282" href="#282">282</a> <em class="jxr_javadoccomment">/**</em> -<a name="283" href="#283">283</a> <em class="jxr_javadoccomment"> * The pool repository, one pool for each class.</em> -<a name="284" href="#284">284</a> <em class="jxr_javadoccomment"> */</em> -<a name="285" href="#285">285</a> <strong class="jxr_keyword">private</strong> HashMap poolRepository = <strong class="jxr_keyword">new</strong> HashMap(); -<a name="286" href="#286">286</a> <strong class="jxr_keyword">private</strong> Map capacityMap; -<a name="287" href="#287">287</a> <strong class="jxr_keyword">private</strong> FactoryService factoryService; -<a name="288" href="#288">288</a> <strong class="jxr_keyword">private</strong> ServiceManager manager; -<a name="289" href="#289">289</a> -<a name="290" href="#290">290</a> <em class="jxr_javadoccomment">/**</em> -<a name="291" href="#291">291</a> <em class="jxr_javadoccomment"> * Gets an instance of a named class either from the pool</em> -<a name="292" href="#292">292</a> <em class="jxr_javadoccomment"> * or by calling the Factory Service if the pool is empty.</em> -<a name="293" href="#293">293</a> <em class="jxr_javadoccomment"> *</em> -<a name="294" href="#294">294</a> <em class="jxr_javadoccomment"> * @param className the name of the class.</em> -<a name="295" href="#295">295</a> <em class="jxr_javadoccomment"> * @return the instance.</em> -<a name="296" href="#296">296</a> <em class="jxr_javadoccomment"> * @throws PoolException if recycling fails.</em> -<a name="297" href="#297">297</a> <em class="jxr_javadoccomment"> */</em> -<a name="298" href="#298">298</a> <strong class="jxr_keyword">public</strong> Object getInstance(String className) <strong class="jxr_keyword">throws</strong> PoolException -<a name="299" href="#299">299</a> { -<a name="300" href="#300">300</a> <strong class="jxr_keyword">try</strong> -<a name="301" href="#301">301</a> { -<a name="302" href="#302">302</a> Object instance = pollInstance(className, <strong class="jxr_keyword">null</strong>, <strong class="jxr_keyword">null</strong>); -<a name="303" href="#303">303</a> <strong class="jxr_keyword">return</strong> instance == <strong class="jxr_keyword">null</strong> ? getFactory().getInstance(className) : instance; -<a name="304" href="#304">304</a> } -<a name="305" href="#305">305</a> <strong class="jxr_keyword">catch</strong> (FactoryException fe) -<a name="306" href="#306">306</a> { -<a name="307" href="#307">307</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../org/apache/fulcrum/pool/PoolException.html">PoolException</a>(fe); -<a name="308" href="#308">308</a> } -<a name="309" href="#309">309</a> } -<a name="310" href="#310">310</a> <em class="jxr_javadoccomment">/**</em> -<a name="311" href="#311">311</a> <em class="jxr_javadoccomment"> * Gets an instance of a named class either from the pool</em> -<a name="312" href="#312">312</a> <em class="jxr_javadoccomment"> * or by calling the Factory Service if the pool is empty.</em> -<a name="313" href="#313">313</a> <em class="jxr_javadoccomment"> * The specified class loader will be passed to the Factory Service.</em> -<a name="314" href="#314">314</a> <em class="jxr_javadoccomment"> *</em> -<a name="315" href="#315">315</a> <em class="jxr_javadoccomment"> * @param className the name of the class.</em> -<a name="316" href="#316">316</a> <em class="jxr_javadoccomment"> * @param loader the class loader.</em> -<a name="317" href="#317">317</a> <em class="jxr_javadoccomment"> * @return the instance.</em> -<a name="318" href="#318">318</a> <em class="jxr_javadoccomment"> * @throws PoolException if recycling fails.</em> -<a name="319" href="#319">319</a> <em class="jxr_javadoccomment"> */</em> -<a name="320" href="#320">320</a> <strong class="jxr_keyword">public</strong> Object getInstance(String className, ClassLoader loader) <strong class="jxr_keyword">throws</strong> PoolException -<a name="321" href="#321">321</a> { -<a name="322" href="#322">322</a> <strong class="jxr_keyword">try</strong> -<a name="323" href="#323">323</a> { -<a name="324" href="#324">324</a> Object instance = pollInstance(className, <strong class="jxr_keyword">null</strong>, <strong class="jxr_keyword">null</strong>); -<a name="325" href="#325">325</a> <strong class="jxr_keyword">return</strong> instance == <strong class="jxr_keyword">null</strong> ? getFactory().getInstance(className, loader) : instance; -<a name="326" href="#326">326</a> } -<a name="327" href="#327">327</a> <strong class="jxr_keyword">catch</strong> (FactoryException fe) -<a name="328" href="#328">328</a> { -<a name="329" href="#329">329</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../org/apache/fulcrum/pool/PoolException.html">PoolException</a>(fe); -<a name="330" href="#330">330</a> } -<a name="331" href="#331">331</a> } -<a name="332" href="#332">332</a> <em class="jxr_javadoccomment">/**</em> -<a name="333" href="#333">333</a> <em class="jxr_javadoccomment"> * Gets an instance of a named class either from the pool</em> -<a name="334" href="#334">334</a> <em class="jxr_javadoccomment"> * or by calling the Factory Service if the pool is empty.</em> -<a name="335" href="#335">335</a> <em class="jxr_javadoccomment"> * Parameters for its constructor are given as an array of objects,</em> -<a name="336" href="#336">336</a> <em class="jxr_javadoccomment"> * primitive types must be wrapped with a corresponding class.</em> -<a name="337" href="#337">337</a> <em class="jxr_javadoccomment"> *</em> -<a name="338" href="#338">338</a> <em class="jxr_javadoccomment"> * @param className the name of the class.</em> -<a name="339" href="#339">339</a> <em class="jxr_javadoccomment"> * @param loader the class loader.</em> -<a name="340" href="#340">340</a> <em class="jxr_javadoccomment"> * @param params an array containing the parameters of the constructor.</em> -<a name="341" href="#341">341</a> <em class="jxr_javadoccomment"> * @param signature an array containing the signature of the constructor.</em> -<a name="342" href="#342">342</a> <em class="jxr_javadoccomment"> * @return the instance.</em> -<a name="343" href="#343">343</a> <em class="jxr_javadoccomment"> * @throws PoolException if recycling fails.</em> -<a name="344" href="#344">344</a> <em class="jxr_javadoccomment"> */</em> -<a name="345" href="#345">345</a> <strong class="jxr_keyword">public</strong> Object getInstance(String className, Object[] params, String[] signature) <strong class="jxr_keyword">throws</strong> PoolException -<a name="346" href="#346">346</a> { -<a name="347" href="#347">347</a> <strong class="jxr_keyword">try</strong> -<a name="348" href="#348">348</a> { -<a name="349" href="#349">349</a> Object instance = pollInstance(className, params, signature); -<a name="350" href="#350">350</a> <strong class="jxr_keyword">return</strong> instance == <strong class="jxr_keyword">null</strong> ? getFactory().getInstance(className, params, signature) : instance; -<a name="351" href="#351">351</a> } -<a name="352" href="#352">352</a> <strong class="jxr_keyword">catch</strong> (FactoryException fe) -<a name="353" href="#353">353</a> { -<a name="354" href="#354">354</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../org/apache/fulcrum/pool/PoolException.html">PoolException</a>(fe); -<a name="355" href="#355">355</a> } -<a name="356" href="#356">356</a> } -<a name="357" href="#357">357</a> <em class="jxr_javadoccomment">/**</em> -<a name="358" href="#358">358</a> <em class="jxr_javadoccomment"> * Gets an instance of a named class either from the pool</em> -<a name="359" href="#359">359</a> <em class="jxr_javadoccomment"> * or by calling the Factory Service if the pool is empty.</em> -<a name="360" href="#360">360</a> <em class="jxr_javadoccomment"> * Parameters for its constructor are given as an array of objects,</em> -<a name="361" href="#361">361</a> <em class="jxr_javadoccomment"> * primitive types must be wrapped with a corresponding class.</em> -<a name="362" href="#362">362</a> <em class="jxr_javadoccomment"> * The specified class loader will be passed to the Factory Service.</em> -<a name="363" href="#363">363</a> <em class="jxr_javadoccomment"> *</em> -<a name="364" href="#364">364</a> <em class="jxr_javadoccomment"> * @param className the name of the class.</em> -<a name="365" href="#365">365</a> <em class="jxr_javadoccomment"> * @param loader the class loader.</em> -<a name="366" href="#366">366</a> <em class="jxr_javadoccomment"> * @param params an array containing the parameters of the constructor.</em> -<a name="367" href="#367">367</a> <em class="jxr_javadoccomment"> * @param signature an array containing the signature of the constructor.</em> -<a name="368" href="#368">368</a> <em class="jxr_javadoccomment"> * @return the instance.</em> -<a name="369" href="#369">369</a> <em class="jxr_javadoccomment"> * @throws PoolException if recycling fails.</em> -<a name="370" href="#370">370</a> <em class="jxr_javadoccomment"> */</em> -<a name="371" href="#371">371</a> <strong class="jxr_keyword">public</strong> Object getInstance(String className, ClassLoader loader, Object[] params, String[] signature) -<a name="372" href="#372">372</a> <strong class="jxr_keyword">throws</strong> <a href="../../../../org/apache/fulcrum/pool/PoolException.html">PoolException</a> -<a name="373" href="#373">373</a> { -<a name="374" href="#374">374</a> <strong class="jxr_keyword">try</strong> -<a name="375" href="#375">375</a> { -<a name="376" href="#376">376</a> Object instance = pollInstance(className, params, signature); -<a name="377" href="#377">377</a> <strong class="jxr_keyword">return</strong> instance == <strong class="jxr_keyword">null</strong> ? getFactory().getInstance(className, loader, params, signature) : instance; -<a name="378" href="#378">378</a> } -<a name="379" href="#379">379</a> <strong class="jxr_keyword">catch</strong> (FactoryException fe) -<a name="380" href="#380">380</a> { -<a name="381" href="#381">381</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../org/apache/fulcrum/pool/PoolException.html">PoolException</a>(fe); -<a name="382" href="#382">382</a> } -<a name="383" href="#383">383</a> } -<a name="384" href="#384">384</a> <em class="jxr_javadoccomment">/**</em> -<a name="385" href="#385">385</a> <em class="jxr_javadoccomment"> * Tests if specified class loaders are supported for a named class.</em> -<a name="386" href="#386">386</a> <em class="jxr_javadoccomment"> *</em> -<a name="387" href="#387">387</a> <em class="jxr_javadoccomment"> * @param className the name of the class.</em> -<a name="388" href="#388">388</a> <em class="jxr_javadoccomment"> * @return true if class loaders are supported, false otherwise.</em> -<a name="389" href="#389">389</a> <em class="jxr_javadoccomment"> * @throws PoolException if test fails.</em> -<a name="390" href="#390">390</a> <em class="jxr_javadoccomment"> */</em> -<a name="391" href="#391">391</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">boolean</strong> isLoaderSupported(String className) <strong class="jxr_keyword">throws</strong> FactoryException -<a name="392" href="#392">392</a> { -<a name="393" href="#393">393</a> <strong class="jxr_keyword">return</strong> getFactory().isLoaderSupported(className); -<a name="394" href="#394">394</a> } -<a name="395" href="#395">395</a> <em class="jxr_javadoccomment">/**</em> -<a name="396" href="#396">396</a> <em class="jxr_javadoccomment"> * Gets an instance of a specified class either from the pool</em> -<a name="397" href="#397">397</a> <em class="jxr_javadoccomment"> * or by instatiating from the class if the pool is empty.</em> -<a name="398" href="#398">398</a> <em class="jxr_javadoccomment"> *</em> -<a name="399" href="#399">399</a> <em class="jxr_javadoccomment"> * @param clazz the class.</em> -<a name="400" href="#400">400</a> <em class="jxr_javadoccomment"> * @return the instance.</em> -<a name="401" href="#401">401</a> <em class="jxr_javadoccomment"> * @throws PoolException if recycling fails.</em> -<a name="402" href="#402">402</a> <em class="jxr_javadoccomment"> */</em> -<a name="403" href="#403">403</a> <strong class="jxr_keyword">public</strong> Object getInstance(Class clazz) <strong class="jxr_keyword">throws</strong> PoolException -<a name="404" href="#404">404</a> { -<a name="405" href="#405">405</a> <strong class="jxr_keyword">try</strong> -<a name="406" href="#406">406</a> { -<a name="407" href="#407">407</a> Object instance = pollInstance(clazz.getName(), <strong class="jxr_keyword">null</strong>, <strong class="jxr_keyword">null</strong>); -<a name="408" href="#408">408</a> <strong class="jxr_keyword">return</strong> instance == <strong class="jxr_keyword">null</strong> ? factoryService.getInstance(clazz) : instance; -<a name="409" href="#409">409</a> } -<a name="410" href="#410">410</a> <strong class="jxr_keyword">catch</strong> (FactoryException fe) -<a name="411" href="#411">411</a> { -<a name="412" href="#412">412</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../org/apache/fulcrum/pool/PoolException.html">PoolException</a>(fe); -<a name="413" href="#413">413</a> } -<a name="414" href="#414">414</a> } -<a name="415" href="#415">415</a> <em class="jxr_javadoccomment">/**</em> -<a name="416" href="#416">416</a> <em class="jxr_javadoccomment"> * Gets an instance of a specified class either from the pool</em> -<a name="417" href="#417">417</a> <em class="jxr_javadoccomment"> * or by instatiating from the class if the pool is empty.</em> -<a name="418" href="#418">418</a> <em class="jxr_javadoccomment"> *</em> -<a name="419" href="#419">419</a> <em class="jxr_javadoccomment"> * @todo There is a whacky .toString() on the clazzz, but otherwise it</em> -<a name="420" href="#420">420</a> <em class="jxr_javadoccomment"> * won't compile..</em> -<a name="421" href="#421">421</a> <em class="jxr_javadoccomment"> * @param clazz the class.</em> -<a name="422" href="#422">422</a> <em class="jxr_javadoccomment"> * @param params an array containing the parameters of the constructor.</em> -<a name="423" href="#423">423</a> <em class="jxr_javadoccomment"> * @param signature an array containing the signature of the constructor.</em> -<a name="424" href="#424">424</a> <em class="jxr_javadoccomment"> * @return the instance.</em> -<a name="425" href="#425">425</a> <em class="jxr_javadoccomment"> * @throws PoolException if recycling fails.</em> -<a name="426" href="#426">426</a> <em class="jxr_javadoccomment"> */</em> -<a name="427" href="#427">427</a> <strong class="jxr_keyword">public</strong> Object getInstance(Class clazz, Object params[], String signature[]) <strong class="jxr_keyword">throws</strong> PoolException -<a name="428" href="#428">428</a> { -<a name="429" href="#429">429</a> <strong class="jxr_keyword">try</strong> -<a name="430" href="#430">430</a> { -<a name="431" href="#431">431</a> Object instance = pollInstance(clazz.getName(), params, signature); -<a name="432" href="#432">432</a> <em class="jxr_comment">//FactoryService fs = getFactory();</em> -<a name="433" href="#433">433</a> <strong class="jxr_keyword">return</strong> instance == <strong class="jxr_keyword">null</strong> ? getFactory().getInstance(clazz.toString(), params, signature) : instance; -<a name="434" href="#434">434</a> } -<a name="435" href="#435">435</a> <strong class="jxr_keyword">catch</strong> (FactoryException fe) -<a name="436" href="#436">436</a> { -<a name="437" href="#437">437</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../org/apache/fulcrum/pool/PoolException.html">PoolException</a>(fe); -<a name="438" href="#438">438</a> } -<a name="439" href="#439">439</a> } -<a name="440" href="#440">440</a> <em class="jxr_javadoccomment">/**</em> -<a name="441" href="#441">441</a> <em class="jxr_javadoccomment"> * Puts a used object back to the pool. Objects implementing</em> -<a name="442" href="#442">442</a> <em class="jxr_javadoccomment"> * the Recyclable interface can provide a recycle method to</em> -<a name="443" href="#443">443</a> <em class="jxr_javadoccomment"> * be called when they are reused and a dispose method to be</em> -<a name="444" href="#444">444</a> <em class="jxr_javadoccomment"> * called when they are returned to the pool.</em> -<a name="445" href="#445">445</a> <em class="jxr_javadoccomment"> *</em> -<a name="446" href="#446">446</a> <em class="jxr_javadoccomment"> * @param instance the object instance to recycle.</em> -<a name="447" href="#447">447</a> <em class="jxr_javadoccomment"> * @return true if the instance was accepted.</em> -<a name="448" href="#448">448</a> <em class="jxr_javadoccomment"> */</em> -<a name="449" href="#449">449</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">boolean</strong> putInstance(Object instance) -<a name="450" href="#450">450</a> { -<a name="451" href="#451">451</a> <strong class="jxr_keyword">if</strong> (instance != <strong class="jxr_keyword">null</strong>) -<a name="452" href="#452">452</a> { -<a name="453" href="#453">453</a> HashMap repository = poolRepository; -<a name="454" href="#454">454</a> String className = instance.getClass().getName(); -<a name="455" href="#455">455</a> <a href="../../../../org/apache/fulcrum/pool/DefaultPoolService.html">PoolBuffer</a> pool = (PoolBuffer) repository.get(className); -<a name="456" href="#456">456</a> <strong class="jxr_keyword">if</strong> (pool == <strong class="jxr_keyword">null</strong>) -<a name="457" href="#457">457</a> { -<a name="458" href="#458">458</a> pool = <strong class="jxr_keyword">new</strong> <a href="../../../../org/apache/fulcrum/pool/DefaultPoolService.html">PoolBuffer</a>(getCapacity(className)); -<a name="459" href="#459">459</a> repository = (HashMap) repository.clone(); -<a name="460" href="#460">460</a> repository.put(className, pool); -<a name="461" href="#461">461</a> poolRepository = repository; -<a name="462" href="#462">462</a> <strong class="jxr_keyword">if</strong> (instance instanceof ArrayCtorRecyclable) -<a name="463" href="#463">463</a> { -<a name="464" href="#464">464</a> pool.setArrayCtorRecyclable(<strong class="jxr_keyword">true</strong>); -<a name="465" href="#465">465</a> } -<a name="466" href="#466">466</a> } -<a name="467" href="#467">467</a> <strong class="jxr_keyword">return</strong> pool.offer(instance); -<a name="468" href="#468">468</a> } -<a name="469" href="#469">469</a> <strong class="jxr_keyword">else</strong> -<a name="470" href="#470">470</a> { -<a name="471" href="#471">471</a> <strong class="jxr_keyword">return</strong> false; -<a name="472" href="#472">472</a> } -<a name="473" href="#473">473</a> } -<a name="474" href="#474">474</a> <em class="jxr_javadoccomment">/**</em> -<a name="475" href="#475">475</a> <em class="jxr_javadoccomment"> * Gets the capacity of the pool for a named class.</em> -<a name="476" href="#476">476</a> <em class="jxr_javadoccomment"> *</em> -<a name="477" href="#477">477</a> <em class="jxr_javadoccomment"> * @param className the name of the class.</em> -<a name="478" href="#478">478</a> <em class="jxr_javadoccomment"> */</em> -<a name="479" href="#479">479</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">int</strong> getCapacity(String className) -<a name="480" href="#480">480</a> { -<a name="481" href="#481">481</a> <a href="../../../../org/apache/fulcrum/pool/DefaultPoolService.html">PoolBuffer</a> pool = (PoolBuffer) poolRepository.get(className); -<a name="482" href="#482">482</a> <strong class="jxr_keyword">if</strong> (pool == <strong class="jxr_keyword">null</strong>) -<a name="483" href="#483">483</a> { -<a name="484" href="#484">484</a> <em class="jxr_comment">/*<em class="jxr_comment"> Check class specific capacity. */</em></em> -<a name="485" href="#485">485</a> <strong class="jxr_keyword">int</strong> capacity = poolCapacity; -<a name="486" href="#486">486</a> <strong class="jxr_keyword">if</strong> (capacityMap != <strong class="jxr_keyword">null</strong>) -<a name="487" href="#487">487</a> { -<a name="488" href="#488">488</a> Integer cap = (Integer) capacityMap.get(className); -<a name="489" href="#489">489</a> <strong class="jxr_keyword">if</strong> (cap != <strong class="jxr_keyword">null</strong>) -<a name="490" href="#490">490</a> { -<a name="491" href="#491">491</a> capacity = cap.intValue(); -<a name="492" href="#492">492</a> } -<a name="493" href="#493">493</a> } -<a name="494" href="#494">494</a> <strong class="jxr_keyword">return</strong> capacity; -<a name="495" href="#495">495</a> } -<a name="496" href="#496">496</a> <strong class="jxr_keyword">else</strong> -<a name="497" href="#497">497</a> { -<a name="498" href="#498">498</a> <strong class="jxr_keyword">return</strong> pool.capacity(); -<a name="499" href="#499">499</a> } -<a name="500" href="#500">500</a> } -<a name="501" href="#501">501</a> <em class="jxr_javadoccomment">/**</em> -<a name="502" href="#502">502</a> <em class="jxr_javadoccomment"> * Sets the capacity of the pool for a named class.</em> -<a name="503" href="#503">503</a> <em class="jxr_javadoccomment"> * Note that the pool will be cleared after the change.</em> -<a name="504" href="#504">504</a> <em class="jxr_javadoccomment"> *</em> -<a name="505" href="#505">505</a> <em class="jxr_javadoccomment"> * @param className the name of the class.</em> -<a name="506" href="#506">506</a> <em class="jxr_javadoccomment"> * @param capacity the new capacity.</em> -<a name="507" href="#507">507</a> <em class="jxr_javadoccomment"> */</em> -<a name="508" href="#508">508</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> setCapacity(String className, <strong class="jxr_keyword">int</strong> capacity) -<a name="509" href="#509">509</a> { -<a name="510" href="#510">510</a> HashMap repository = poolRepository; -<a name="511" href="#511">511</a> repository = repository != <strong class="jxr_keyword">null</strong> ? (HashMap) repository.clone() : <strong class="jxr_keyword">new</strong> HashMap(); -<a name="512" href="#512">512</a> repository.put(className, <strong class="jxr_keyword">new</strong> <a href="../../../../org/apache/fulcrum/pool/DefaultPoolService.html">PoolBuffer</a>(capacity)); -<a name="513" href="#513">513</a> poolRepository = repository; -<a name="514" href="#514">514</a> } -<a name="515" href="#515">515</a> <em class="jxr_javadoccomment">/**</em> -<a name="516" href="#516">516</a> <em class="jxr_javadoccomment"> * Gets the current size of the pool for a named class.</em> -<a name="517" href="#517">517</a> <em class="jxr_javadoccomment"> *</em> -<a name="518" href="#518">518</a> <em class="jxr_javadoccomment"> * @param className the name of the class.</em> -<a name="519" href="#519">519</a> <em class="jxr_javadoccomment"> */</em> -<a name="520" href="#520">520</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">int</strong> getSize(String className) -<a name="521" href="#521">521</a> { -<a name="522" href="#522">522</a> <a href="../../../../org/apache/fulcrum/pool/DefaultPoolService.html">PoolBuffer</a> pool = (PoolBuffer) poolRepository.get(className); -<a name="523" href="#523">523</a> <strong class="jxr_keyword">return</strong> pool != <strong class="jxr_keyword">null</strong> ? pool.size() : 0; -<a name="524" href="#524">524</a> } -<a name="525" href="#525">525</a> <em class="jxr_javadoccomment">/**</em> -<a name="526" href="#526">526</a> <em class="jxr_javadoccomment"> * Clears instances of a named class from the pool.</em> -<a name="527" href="#527">527</a> <em class="jxr_javadoccomment"> *</em> -<a name="528" href="#528">528</a> <em class="jxr_javadoccomment"> * @param className the name of the class.</em> -<a name="529" href="#529">529</a> <em class="jxr_javadoccomment"> */</em> -<a name="530" href="#530">530</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> clearPool(String className) -<a name="531" href="#531">531</a> { -<a name="532" href="#532">532</a> HashMap repository = poolRepository; -<a name="533" href="#533">533</a> <strong class="jxr_keyword">if</strong> (repository.get(className) != <strong class="jxr_keyword">null</strong>) -<a name="534" href="#534">534</a> { -<a name="535" href="#535">535</a> repository = (HashMap) repository.clone(); -<a name="536" href="#536">536</a> repository.remove(className); -<a name="537" href="#537">537</a> poolRepository = repository; -<a name="538" href="#538">538</a> } -<a name="539" href="#539">539</a> } -<a name="540" href="#540">540</a> <em class="jxr_javadoccomment">/**</em> -<a name="541" href="#541">541</a> <em class="jxr_javadoccomment"> * Clears all instances from the pool.</em> -<a name="542" href="#542">542</a> <em class="jxr_javadoccomment"> */</em> -<a name="543" href="#543">543</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> clearPool() -<a name="544" href="#544">544</a> { -<a name="545" href="#545">545</a> poolRepository = <strong class="jxr_keyword">new</strong> HashMap(); -<a name="546" href="#546">546</a> } -<a name="547" href="#547">547</a> <em class="jxr_javadoccomment">/**</em> -<a name="548" href="#548">548</a> <em class="jxr_javadoccomment"> * Polls and recycles an object of the named class from the pool.</em> -<a name="549" href="#549">549</a> <em class="jxr_javadoccomment"> *</em> -<a name="550" href="#550">550</a> <em class="jxr_javadoccomment"> * @param className the name of the class.</em> -<a name="551" href="#551">551</a> <em class="jxr_javadoccomment"> * @param params an array containing the parameters of the constructor.</em> -<a name="552" href="#552">552</a> <em class="jxr_javadoccomment"> * @param signature an array containing the signature of the constructor.</em> -<a name="553" href="#553">553</a> <em class="jxr_javadoccomment"> * @return the object or null.</em> -<a name="554" href="#554">554</a> <em class="jxr_javadoccomment"> * @throws PoolException if recycling fails.</em> -<a name="555" href="#555">555</a> <em class="jxr_javadoccomment"> */</em> -<a name="556" href="#556">556</a> <strong class="jxr_keyword">private</strong> Object pollInstance(String className, Object[] params, String[] signature) <strong class="jxr_keyword">throws</strong> PoolException -<a name="557" href="#557">557</a> { -<a name="558" href="#558">558</a> <a href="../../../../org/apache/fulcrum/pool/DefaultPoolService.html">PoolBuffer</a> pool = (PoolBuffer) poolRepository.get(className); -<a name="559" href="#559">559</a> <strong class="jxr_keyword">return</strong> pool != <strong class="jxr_keyword">null</strong> ? pool.poll(params, signature) : <strong class="jxr_keyword">null</strong>; -<a name="560" href="#560">560</a> } -<a name="561" href="#561">561</a> <em class="jxr_javadoccomment">/**</em> -<a name="562" href="#562">562</a> <em class="jxr_javadoccomment"> * Gets the factory service.</em> -<a name="563" href="#563">563</a> <em class="jxr_javadoccomment"> *</em> -<a name="564" href="#564">564</a> <em class="jxr_javadoccomment"> * @return the factory service.</em> -<a name="565" href="#565">565</a> <em class="jxr_javadoccomment"> */</em> -<a name="566" href="#566">566</a> <strong class="jxr_keyword">protected</strong> FactoryService getFactory() -<a name="567" href="#567">567</a> { -<a name="568" href="#568">568</a> <strong class="jxr_keyword">return</strong> factoryService; -<a name="569" href="#569">569</a> } -<a name="570" href="#570">570</a> -<a name="571" href="#571">571</a> <em class="jxr_comment">// ---------------- Avalon Lifecycle Methods ---------------------</em> -<a name="572" href="#572">572</a> <em class="jxr_javadoccomment">/**</em> -<a name="573" href="#573">573</a> <em class="jxr_javadoccomment"> * Avalon component lifecycle method</em> -<a name="574" href="#574">574</a> <em class="jxr_javadoccomment"> */</em> -<a name="575" href="#575">575</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> configure(Configuration conf) -<a name="576" href="#576">576</a> { -<a name="577" href="#577">577</a> <strong class="jxr_keyword">final</strong> Configuration capacities = conf.getChild(POOL_CAPACITY, false); -<a name="578" href="#578">578</a> <strong class="jxr_keyword">if</strong> (capacities != <strong class="jxr_keyword">null</strong>) -<a name="579" href="#579">579</a> { -<a name="580" href="#580">580</a> Configuration defaultConf = capacities.getChild(<span class="jxr_string">"default"</span>); -<a name="581" href="#581">581</a> <strong class="jxr_keyword">int</strong> capacity = defaultConf.getValueAsInteger(DEFAULT_POOL_CAPACITY); -<a name="582" href="#582">582</a> <strong class="jxr_keyword">if</strong> (capacity <= 0) -<a name="583" href="#583">583</a> { -<a name="584" href="#584">584</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> IllegalArgumentException(<span class="jxr_string">"Capacity must be >0"</span>); -<a name="585" href="#585">585</a> } -<a name="586" href="#586">586</a> poolCapacity = capacity; -<a name="587" href="#587">587</a> Configuration[] nameVal = capacities.getChildren(); -<a name="588" href="#588">588</a> <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = 0; i < nameVal.length; i++) -<a name="589" href="#589">589</a> { -<a name="590" href="#590">590</a> String key = nameVal[i].getName(); -<a name="591" href="#591">591</a> <strong class="jxr_keyword">if</strong> (!<span class="jxr_string">"default"</span>.equals(key)) -<a name="592" href="#592">592</a> { -<a name="593" href="#593">593</a> capacity = nameVal[i].getValueAsInteger(poolCapacity); -<a name="594" href="#594">594</a> <strong class="jxr_keyword">if</strong> (capacity < 0) -<a name="595" href="#595">595</a> { -<a name="596" href="#596">596</a> capacity = poolCapacity; -<a name="597" href="#597">597</a> } -<a name="598" href="#598">598</a> <strong class="jxr_keyword">if</strong> (capacityMap == <strong class="jxr_keyword">null</strong>) -<a name="599" href="#599">599</a> { -<a name="600" href="#600">600</a> capacityMap = <strong class="jxr_keyword">new</strong> HashMap(); -<a name="601" href="#601">601</a> } -<a name="602" href="#602">602</a> capacityMap.put(key, <strong class="jxr_keyword">new</strong> Integer(capacity)); -<a name="603" href="#603">603</a> } -<a name="604" href="#604">604</a> } -<a name="605" href="#605">605</a> } -<a name="606" href="#606">606</a> } -<a name="607" href="#607">607</a> -<a name="608" href="#608">608</a> <em class="jxr_javadoccomment">/**</em> -<a name="609" href="#609">609</a> <em class="jxr_javadoccomment"> * Avalon component lifecycle method</em> -<a name="610" href="#610">610</a> <em class="jxr_javadoccomment"> * @avalon.dependency type="org.apache.fulcrum.factory.FactoryService"</em> -<a name="611" href="#611">611</a> <em class="jxr_javadoccomment"> */</em> -<a name="612" href="#612">612</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> service(ServiceManager manager) -<a name="613" href="#613">613</a> { -<a name="614" href="#614">614</a> <strong class="jxr_keyword">this</strong>.manager = manager; -<a name="615" href="#615">615</a> } -<a name="616" href="#616">616</a> -<a name="617" href="#617">617</a> <em class="jxr_javadoccomment">/**</em> -<a name="618" href="#618">618</a> <em class="jxr_javadoccomment"> * Avalon component lifecycle method</em> -<a name="619" href="#619">619</a> <em class="jxr_javadoccomment"> * Initializes the service by loading default class loaders</em> -<a name="620" href="#620">620</a> <em class="jxr_javadoccomment"> * and customized object factories.</em> -<a name="621" href="#621">621</a> <em class="jxr_javadoccomment"> *</em> -<a name="622" href="#622">622</a> <em class="jxr_javadoccomment"> * @throws InitializationException if initialization fails.</em> -<a name="623" href="#623">623</a> <em class="jxr_javadoccomment"> */</em> -<a name="624" href="#624">624</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> initialize() <strong class="jxr_keyword">throws</strong> Exception -<a name="625" href="#625">625</a> { -<a name="626" href="#626">626</a> <strong class="jxr_keyword">try</strong> -<a name="627" href="#627">627</a> { -<a name="628" href="#628">628</a> factoryService = (FactoryService) manager.lookup(FactoryService.ROLE); -<a name="629" href="#629">629</a> } -<a name="630" href="#630">630</a> <strong class="jxr_keyword">catch</strong> (Exception e) -<a name="631" href="#631">631</a> { -<a name="632" href="#632">632</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> Exception( -<a name="633" href="#633">633</a> <span class="jxr_string">"DefaultPoolService.initialize: Failed to get a Factory object"</span>, e); -<a name="634" href="#634">634</a> } -<a name="635" href="#635">635</a> } -<a name="636" href="#636">636</a> -<a name="637" href="#637">637</a> <em class="jxr_javadoccomment">/**</em> -<a name="638" href="#638">638</a> <em class="jxr_javadoccomment"> * Avalon component lifecycle method</em> -<a name="639" href="#639">639</a> <em class="jxr_javadoccomment"> */</em> -<a name="640" href="#640">640</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> dispose() -<a name="641" href="#641">641</a> { -<a name="642" href="#642">642</a> <strong class="jxr_keyword">if</strong> (factoryService != <strong class="jxr_keyword">null</strong>) -<a name="643" href="#643">643</a> { -<a name="644" href="#644">644</a> manager.release(factoryService); -<a name="645" href="#645">645</a> } -<a name="646" href="#646">646</a> factoryService = <strong class="jxr_keyword">null</strong>; -<a name="647" href="#647">647</a> manager = <strong class="jxr_keyword">null</strong>; -<a name="648" href="#648">648</a> } -<a name="649" href="#649">649</a> } +<a class="jxr_linenumber" name="L1" href="#L1">1</a> <strong class="jxr_keyword">package</strong> org.apache.fulcrum.pool; +<a class="jxr_linenumber" name="L2" href="#L2">2</a> +<a class="jxr_linenumber" name="L3" href="#L3">3</a> <strong class="jxr_keyword">import</strong> java.util.HashMap; +<a class="jxr_linenumber" name="L4" href="#L4">4</a> +<a class="jxr_linenumber" name="L5" href="#L5">5</a> <em class="jxr_comment">/*</em> +<a class="jxr_linenumber" name="L6" href="#L6">6</a> <em class="jxr_comment"> * Licensed to the Apache Software Foundation (ASF) under one</em> +<a class="jxr_linenumber" name="L7" href="#L7">7</a> <em class="jxr_comment"> * or more contributor license agreements. See the NOTICE file</em> +<a class="jxr_linenumber" name="L8" href="#L8">8</a> <em class="jxr_comment"> * distributed with this work for additional information</em> +<a class="jxr_linenumber" name="L9" href="#L9">9</a> <em class="jxr_comment"> * regarding copyright ownership. The ASF licenses this file</em> +<a class="jxr_linenumber" name="L10" href="#L10">10</a> <em class="jxr_comment"> * to you under the Apache License, Version 2.0 (the</em> +<a class="jxr_linenumber" name="L11" href="#L11">11</a> <em class="jxr_comment"> * "License"); you may not use this file except in compliance</em> +<a class="jxr_linenumber" name="L12" href="#L12">12</a> <em class="jxr_comment"> * with the License. You may obtain a copy of the License at</em> +<a class="jxr_linenumber" name="L13" href="#L13">13</a> <em class="jxr_comment"> *</em> +<a class="jxr_linenumber" name="L14" href="#L14">14</a> <em class="jxr_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 class="jxr_linenumber" name="L15" href="#L15">15</a> <em class="jxr_comment"> *</em> +<a class="jxr_linenumber" name="L16" href="#L16">16</a> <em class="jxr_comment"> * Unless required by applicable law or agreed to in writing,</em> +<a class="jxr_linenumber" name="L17" href="#L17">17</a> <em class="jxr_comment"> * software distributed under the License is distributed on an</em> +<a class="jxr_linenumber" name="L18" href="#L18">18</a> <em class="jxr_comment"> * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY</em> +<a class="jxr_linenumber" name="L19" href="#L19">19</a> <em class="jxr_comment"> * KIND, either express or implied. See the License for the</em> +<a class="jxr_linenumber" name="L20" href="#L20">20</a> <em class="jxr_comment"> * specific language governing permissions and limitations</em> +<a class="jxr_linenumber" name="L21" href="#L21">21</a> <em class="jxr_comment"> * under the License.</em> +<a class="jxr_linenumber" name="L22" href="#L22">22</a> <em class="jxr_comment"> */</em> +<a class="jxr_linenumber" name="L23" href="#L23">23</a> +<a class="jxr_linenumber" name="L24" href="#L24">24</a> <strong class="jxr_keyword">import</strong> java.util.Map; +<a class="jxr_linenumber" name="L25" href="#L25">25</a> +<a class="jxr_linenumber" name="L26" href="#L26">26</a> <strong class="jxr_keyword">import</strong> org.apache.avalon.framework.activity.Disposable; +<a class="jxr_linenumber" name="L27" href="#L27">27</a> <strong class="jxr_keyword">import</strong> org.apache.avalon.framework.activity.Initializable; +<a class="jxr_linenumber" name="L28" href="#L28">28</a> <strong class="jxr_keyword">import</strong> org.apache.avalon.framework.configuration.Configurable; +<a class="jxr_linenumber" name="L29" href="#L29">29</a> <strong class="jxr_keyword">import</strong> org.apache.avalon.framework.configuration.Configuration; +<a class="jxr_linenumber" name="L30" href="#L30">30</a> <strong class="jxr_keyword">import</strong> org.apache.avalon.framework.logger.AbstractLogEnabled; +<a class="jxr_linenumber" name="L31" href="#L31">31</a> <strong class="jxr_keyword">import</strong> org.apache.avalon.framework.service.ServiceManager; +<a class="jxr_linenumber" name="L32" href="#L32">32</a> <strong class="jxr_keyword">import</strong> org.apache.avalon.framework.service.Serviceable; +<a class="jxr_linenumber" name="L33" href="#L33">33</a> <strong class="jxr_keyword">import</strong> org.apache.fulcrum.factory.FactoryException; +<a class="jxr_linenumber" name="L34" href="#L34">34</a> <strong class="jxr_keyword">import</strong> org.apache.fulcrum.factory.FactoryService; +<a class="jxr_linenumber" name="L35" href="#L35">35</a> +<a class="jxr_linenumber" name="L36" href="#L36">36</a> <em class="jxr_javadoccomment">/**</em> +<a class="jxr_linenumber" name="L37" href="#L37">37</a> <em class="jxr_javadoccomment"> * The Pool Service extends the Factory Service by adding support for pooling</em> +<a class="jxr_linenumber" name="L38" href="#L38">38</a> <em class="jxr_javadoccomment"> * instantiated objects. When a new instance is requested, the service first</em> +<a class="jxr_linenumber" name="L39" href="#L39">39</a> <em class="jxr_javadoccomment"> * checks its pool if one is available. If the the pool is empty, a new instance</em> +<a class="jxr_linenumber" name="L40" href="#L40">40</a> <em class="jxr_javadoccomment"> * will be requested from the FactoryService.</em> +<a class="jxr_linenumber" name="L41" href="#L41">41</a> <em class="jxr_javadoccomment"> *</em> +<a class="jxr_linenumber" name="L42" href="#L42">42</a> <em class="jxr_javadoccomment"> * For objects implementing the Recyclable interface, a recycle method will be</em> +<a class="jxr_linenumber" name="L43" href="#L43">43</a> <em class="jxr_javadoccomment"> * called, when they taken from the pool, and a dispose method, when they are</em> +<a class="jxr_linenumber" name="L44" href="#L44">44</a> <em class="jxr_javadoccomment"> * returned to the pool.</em> +<a class="jxr_linenumber" name="L45" href="#L45">45</a> <em class="jxr_javadoccomment"> *</em> +<a class="jxr_linenumber" name="L46" href="#L46">46</a> <em class="jxr_javadoccomment"> * @author <a href="<a href="mailto:[email protected]"; target="alexandria_uri">mailto:[email protected]</a>">Ilkka Priha</a></em> +<a class="jxr_linenumber" name="L47" href="#L47">47</a> <em class="jxr_javadoccomment"> * @author <a href="<a href="mailto:[email protected]"; target="alexandria_uri">mailto:[email protected]</a>">Stephen McConnell</a></em> +<a class="jxr_linenumber" name="L48" href="#L48">48</a> <em class="jxr_javadoccomment"> * @version $Id: DefaultPoolService.java 1850691 2019-01-07 21:25:15Z painter $</em> +<a class="jxr_linenumber" name="L49" href="#L49">49</a> <em class="jxr_javadoccomment"> *</em> +<a class="jxr_linenumber" name="L50" href="#L50">50</a> <em class="jxr_javadoccomment"> * avalon.component name="pool" lifestyle="transient"</em> +<a class="jxr_linenumber" name="L51" href="#L51">51</a> <em class="jxr_javadoccomment"> * avalon.service type="org.apache.fulcrum.pool.PoolService"</em> +<a class="jxr_linenumber" name="L52" href="#L52">52</a> <em class="jxr_javadoccomment"> */</em> +<a class="jxr_linenumber" name="L53" href="#L53">53</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a name="DefaultPoolService" href="../../../../org/apache/fulcrum/pool/DefaultPoolService.html#DefaultPoolService">DefaultPoolService</a> <strong class="jxr_keyword">extends</strong> AbstractLogEnabled +<a class="jxr_linenumber" name="L54" href="#L54">54</a> <strong class="jxr_keyword">implements</strong> PoolService, Serviceable, Disposable, Initializable, Configurable { +<a class="jxr_linenumber" name="L55" href="#L55">55</a> <em class="jxr_javadoccomment">/**</em> +<a class="jxr_linenumber" name="L56" href="#L56">56</a> <em class="jxr_javadoccomment"> * The property specifying the pool capacity.</em> +<a class="jxr_linenumber" name="L57" href="#L57">57</a> <em class="jxr_javadoccomment"> */</em> +<a class="jxr_linenumber" name="L58" href="#L58">58</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> String POOL_CAPACITY = <span class="jxr_string">"capacity"</span>; +<a class="jxr_linenumber" name="L59" href="#L59">59</a> +<a class="jxr_linenumber" name="L60" href="#L60">60</a> <em class="jxr_javadoccomment">/**</em> +<a class="jxr_linenumber" name="L61" href="#L61">61</a> <em class="jxr_javadoccomment"> * The default capacity of pools.</em> +<a class="jxr_linenumber" name="L62" href="#L62">62</a> <em class="jxr_javadoccomment"> */</em> +<a class="jxr_linenumber" name="L63" href="#L63">63</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">int</strong> poolCapacity = DEFAULT_POOL_CAPACITY; +<a class="jxr_linenumber" name="L64" href="#L64">64</a> +<a class="jxr_linenumber" name="L65" href="#L65">65</a> <em class="jxr_javadoccomment">/**</em> +<a class="jxr_linenumber" name="L66" href="#L66">66</a> <em class="jxr_javadoccomment"> * The pool repository, one pool for each class.</em> +<a class="jxr_linenumber" name="L67" href="#L67">67</a> <em class="jxr_javadoccomment"> */</em> +<a class="jxr_linenumber" name="L68" href="#L68">68</a> <strong class="jxr_keyword">private</strong> HashMap<String, PoolBuffer> poolRepository = <strong class="jxr_keyword">new</strong> HashMap<>(); +<a class="jxr_linenumber" name="L69" href="#L69">69</a> <strong class="jxr_keyword">private</strong> Map<String, Integer> capacityMap; +<a class="jxr_linenumber" name="L70" href="#L70">70</a> <strong class="jxr_keyword">private</strong> FactoryService factoryService; +<a class="jxr_linenumber" name="L71" href="#L71">71</a> <strong class="jxr_keyword">private</strong> ServiceManager manager; +<a class="jxr_linenumber" name="L72" href="#L72">72</a> +<a class="jxr_linenumber" name="L73" href="#L73">73</a> <em class="jxr_javadoccomment">/**</em> +<a class="jxr_linenumber" name="L74" href="#L74">74</a> <em class="jxr_javadoccomment"> * Gets an instance of a named class either from the pool or by calling the</em> +<a class="jxr_linenumber" name="L75" href="#L75">75</a> <em class="jxr_javadoccomment"> * Factory Service if the pool is empty.</em> +<a class="jxr_linenumber" name="L76" href="#L76">76</a> <em class="jxr_javadoccomment"> *</em> +<a class="jxr_linenumber" name="L77" href="#L77">77</a> <em class="jxr_javadoccomment"> * @param className the name of the class.</em> +<a class="jxr_linenumber" name="L78" href="#L78">78</a> <em class="jxr_javadoccomment"> * @return the instance.</em> +<a class="jxr_linenumber" name="L79" href="#L79">79</a> <em class="jxr_javadoccomment"> * @throws PoolException if recycling fails.</em> +<a class="jxr_linenumber" name="L80" href="#L80">80</a> <em class="jxr_javadoccomment"> */</em> +<a class="jxr_linenumber" name="L81" href="#L81">81</a> <strong class="jxr_keyword">public</strong> Object getInstance(String className) <strong class="jxr_keyword">throws</strong> <a name="PoolException" href="../../../../org/apache/fulcrum/pool/PoolException.html#PoolException">PoolException</a> +<a class="jxr_linenumber" name="L82" href="#L82">82</a> { +<a class="jxr_linenumber" name="L83" href="#L83">83</a> <strong class="jxr_keyword">try</strong> +<a class="jxr_linenumber" name="L84" href="#L84">84</a> { +<a class="jxr_linenumber" name="L85" href="#L85">85</a> Object instance = pollInstance(className, <strong class="jxr_keyword">null</strong>, <strong class="jxr_keyword">null</strong>); +<a class="jxr_linenumber" name="L86" href="#L86">86</a> <strong class="jxr_keyword">return</strong> instance == <strong class="jxr_keyword">null</strong> ? getFactory().getInstance(className) : instance; +<a class="jxr_linenumber" name="L87" href="#L87">87</a> } +<a class="jxr_linenumber" name="L88" href="#L88">88</a> <strong class="jxr_keyword">catch</strong> (FactoryException fe) +<a class="jxr_linenumber" name="L89" href="#L89">89</a> { +<a class="jxr_linenumber" name="L90" href="#L90">90</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a name="PoolException" href="../../../../org/apache/fulcrum/pool/PoolException.html#PoolException">PoolException</a>(fe); +<a class="jxr_linenumber" name="L91" href="#L91">91</a> } +<a class="jxr_linenumber" name="L92" href="#L92">92</a> } +<a class="jxr_linenumber" name="L93" href="#L93">93</a> +<a class="jxr_linenumber" name="L94" href="#L94">94</a> <em class="jxr_javadoccomment">/**</em> +<a class="jxr_linenumber" name="L95" href="#L95">95</a> <em class="jxr_javadoccomment"> * Gets an instance of a named class either from the pool or by calling the</em> +<a class="jxr_linenumber" name="L96" href="#L96">96</a> <em class="jxr_javadoccomment"> * Factory Service if the pool is empty. The specified class loader will be</em> +<a class="jxr_linenumber" name="L97" href="#L97">97</a> <em class="jxr_javadoccomment"> * passed to the Factory Service.</em> +<a class="jxr_linenumber" name="L98" href="#L98">98</a> <em class="jxr_javadoccomment"> *</em> +<a class="jxr_linenumber" name="L99" href="#L99">99</a> <em class="jxr_javadoccomment"> * @param className the name of the class.</em> +<a class="jxr_linenumber" name="L100" href="#L100">100</a> <em class="jxr_javadoccomment"> * @param loader the class loader.</em> +<a class="jxr_linenumber" name="L101" href="#L101">101</a> <em class="jxr_javadoccomment"> * @return the instance.</em> +<a class="jxr_linenumber" name="L102" href="#L102">102</a> <em class="jxr_javadoccomment"> * @throws PoolException if recycling fails.</em> +<a class="jxr_linenumber" name="L103" href="#L103">103</a> <em class="jxr_javadoccomment"> */</em> +<a class="jxr_linenumber" name="L104" href="#L104">104</a> <strong class="jxr_keyword">public</strong> Object getInstance(String className, ClassLoader loader) <strong class="jxr_keyword">throws</strong> <a name="PoolException" href="../../../../org/apache/fulcrum/pool/PoolException.html#PoolException">PoolException</a> +<a class="jxr_linenumber" name="L105" href="#L105">105</a> { +<a class="jxr_linenumber" name="L106" href="#L106">106</a> <strong class="jxr_keyword">try</strong> +<a class="jxr_linenumber" name="L107" href="#L107">107</a> { +<a class="jxr_linenumber" name="L108" href="#L108">108</a> Object instance = pollInstance(className, <strong class="jxr_keyword">null</strong>, <strong class="jxr_keyword">null</strong>); +<a class="jxr_linenumber" name="L109" href="#L109">109</a> <strong class="jxr_keyword">return</strong> instance == <strong class="jxr_keyword">null</strong> ? getFactory().getInstance(className, loader) : instance; +<a class="jxr_linenumber" name="L110" href="#L110">110</a> } +<a class="jxr_linenumber" name="L111" href="#L111">111</a> <strong class="jxr_keyword">catch</strong> (FactoryException fe) +<a class="jxr_linenumber" name="L112" href="#L112">112</a> { +<a class="jxr_linenumber" name="L113" href="#L113">113</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a name="PoolException" href="../../../../org/apache/fulcrum/pool/PoolException.html#PoolException">PoolException</a>(fe); +<a class="jxr_linenumber" name="L114" href="#L114">114</a> } +<a class="jxr_linenumber" name="L115" href="#L115">115</a> } +<a class="jxr_linenumber" name="L116" href="#L116">116</a> +<a class="jxr_linenumber" name="L117" href="#L117">117</a> <em class="jxr_javadoccomment">/**</em> +<a class="jxr_linenumber" name="L118" href="#L118">118</a> <em class="jxr_javadoccomment"> * Gets an instance of a named class either from the pool or by calling the</em> +<a class="jxr_linenumber" name="L119" href="#L119">119</a> <em class="jxr_javadoccomment"> * Factory Service if the pool is empty. Parameters for its constructor are</em> +<a class="jxr_linenumber" name="L120" href="#L120">120</a> <em class="jxr_javadoccomment"> * given as an array of objects, primitive types must be wrapped with a</em> +<a class="jxr_linenumber" name="L121" href="#L121">121</a> <em class="jxr_javadoccomment"> * corresponding class.</em> +<a class="jxr_linenumber" name="L122" href="#L122">122</a> <em class="jxr_javadoccomment"> *</em> +<a class="jxr_linenumber" name="L123" href="#L123">123</a> <em class="jxr_javadoccomment"> * @param className the name of the class.</em> +<a class="jxr_linenumber" name="L124" href="#L124">124</a> <em class="jxr_javadoccomment"> * @param params an array containing the parameters of the constructor.</em> +<a class="jxr_linenumber" name="L125" href="#L125">125</a> <em class="jxr_javadoccomment"> * @param signature an array containing the signature of the constructor.</em> +<a class="jxr_linenumber" name="L126" href="#L126">126</a> <em class="jxr_javadoccomment"> * @return the instance.</em> +<a class="jxr_linenumber" name="L127" href="#L127">127</a> <em class="jxr_javadoccomment"> * @throws PoolException if recycling fails.</em> +<a class="jxr_linenumber" name="L128" href="#L128">128</a> <em class="jxr_javadoccomment"> */</em> +<a class="jxr_linenumber" name="L129" href="#L129">129</a> <strong class="jxr_keyword">public</strong> Object getInstance(String className, Object[] params, String[] signature) <strong class="jxr_keyword">throws</strong> <a name="PoolException" href="../../../../org/apache/fulcrum/pool/PoolException.html#PoolException">PoolException</a> +<a class="jxr_linenumber" name="L130" href="#L130">130</a> { +<a class="jxr_linenumber" name="L131" href="#L131">131</a> <strong class="jxr_keyword">try</strong> +<a class="jxr_linenumber" name="L132" href="#L132">132</a> { +<a class="jxr_linenumber" name="L133" href="#L133">133</a> Object instance = pollInstance(className, params, signature); +<a class="jxr_linenumber" name="L134" href="#L134">134</a> <strong class="jxr_keyword">return</strong> instance == <strong class="jxr_keyword">null</strong> ? getFactory().getInstance(className, params, signature) : instance; +<a class="jxr_linenumber" name="L135" href="#L135">135</a> } +<a class="jxr_linenumber" name="L136" href="#L136">136</a> <strong class="jxr_keyword">catch</strong> (FactoryException fe) +<a class="jxr_linenumber" name="L137" href="#L137">137</a> { +<a class="jxr_linenumber" name="L138" href="#L138">138</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a name="PoolException" href="../../../../org/apache/fulcrum/pool/PoolException.html#PoolException">PoolException</a>(fe); +<a class="jxr_linenumber" name="L139" href="#L139">139</a> } +<a class="jxr_linenumber" name="L140" href="#L140">140</a> } +<a class="jxr_linenumber" name="L141" href="#L141">141</a> +<a class="jxr_linenumber" name="L142" href="#L142">142</a> <em class="jxr_javadoccomment">/**</em> +<a class="jxr_linenumber" name="L143" href="#L143">143</a> <em class="jxr_javadoccomment"> * Gets an instance of a named class either from the pool or by calling the</em> +<a class="jxr_linenumber" name="L144" href="#L144">144</a> <em class="jxr_javadoccomment"> * Factory Service if the pool is empty. Parameters for its constructor are</em> +<a class="jxr_linenumber" name="L145" href="#L145">145</a> <em class="jxr_javadoccomment"> * given as an array of objects, primitive types must be wrapped with a</em> +<a class="jxr_linenumber" name="L146" href="#L146">146</a> <em class="jxr_javadoccomment"> * corresponding class. The specified class loader will be passed to the Factory</em> +<a class="jxr_linenumber" name="L147" href="#L147">147</a> <em class="jxr_javadoccomment"> * Service.</em> +<a class="jxr_linenumber" name="L148" href="#L148">148</a> <em class="jxr_javadoccomment"> *</em> +<a class="jxr_linenumber" name="L149" href="#L149">149</a> <em class="jxr_javadoccomment"> * @param className the name of the class.</em> +<a class="jxr_linenumber" name="L150" href="#L150">150</a> <em class="jxr_javadoccomment"> * @param loader the class loader.</em> +<a class="jxr_linenumber" name="L151" href="#L151">151</a> <em class="jxr_javadoccomment"> * @param params an array containing the parameters of the constructor.</em> +<a class="jxr_linenumber" name="L152" href="#L152">152</a> <em class="jxr_javadoccomment"> * @param signature an array containing the signature of the constructor.</em> +<a class="jxr_linenumber" name="L153" href="#L153">153</a> <em class="jxr_javadoccomment"> * @return the instance.</em> +<a class="jxr_linenumber" name="L154" href="#L154">154</a> <em class="jxr_javadoccomment"> * @throws PoolException if recycling fails.</em> +<a class="jxr_linenumber" name="L155" href="#L155">155</a> <em class="jxr_javadoccomment"> */</em> +<a class="jxr_linenumber" name="L156" href="#L156">156</a> <strong class="jxr_keyword">public</strong> Object getInstance(String className, ClassLoader loader, Object[] params, String[] signature) +<a class="jxr_linenumber" name="L157" href="#L157">157</a> <strong class="jxr_keyword">throws</strong> <a name="PoolException" href="../../../../org/apache/fulcrum/pool/PoolException.html#PoolException">PoolException</a> +<a class="jxr_linenumber" name="L158" href="#L158">158</a> { +<a class="jxr_linenumber" name="L159" href="#L159">159</a> <strong class="jxr_keyword">try</strong> +<a class="jxr_linenumber" name="L160" href="#L160">160</a> { +<a class="jxr_linenumber" name="L161" href="#L161">161</a> Object instance = pollInstance(className, params, signature); +<a class="jxr_linenumber" name="L162" href="#L162">162</a> <strong class="jxr_keyword">return</strong> instance == <strong class="jxr_keyword">null</strong> ? getFactory().getInstance(className, loader, params, signature) : instance; +<a class="jxr_linenumber" name="L163" href="#L163">163</a> } +<a class="jxr_linenumber" name="L164" href="#L164">164</a> <strong class="jxr_keyword">catch</strong> (FactoryException fe) +<a class="jxr_linenumber" name="L165" href="#L165">165</a> { +<a class="jxr_linenumber" name="L166" href="#L166">166</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a name="PoolException" href="../../../../org/apache/fulcrum/pool/PoolException.html#PoolException">PoolException</a>(fe); +<a class="jxr_linenumber" name="L167" href="#L167">167</a> } +<a class="jxr_linenumber" name="L168" href="#L168">168</a> } +<a class="jxr_linenumber" name="L169" href="#L169">169</a> +<a class="jxr_linenumber" name="L170" href="#L170">170</a> <em class="jxr_javadoccomment">/**</em> +<a class="jxr_linenumber" name="L171" href="#L171">171</a> <em class="jxr_javadoccomment"> * Tests if specified class loaders are supported for a named class.</em> +<a class="jxr_linenumber" name="L172" href="#L172">172</a> <em class="jxr_javadoccomment"> *</em> +<a class="jxr_linenumber" name="L173" href="#L173">173</a> <em class="jxr_javadoccomment"> * @param className the name of the class.</em> +<a class="jxr_linenumber" name="L174" href="#L174">174</a> <em class="jxr_javadoccomment"> * @return true if class loaders are supported, false otherwise.</em>
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