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<a name="118" href="#118">118</a> <a name="119" href="#119">119</a> <strong class="jxr_keyword">if</strong> (maximumPoolSize == 0 || maximumPoolSize < corePoolSize) {<a name="120" href="#120">120</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> IllegalArgumentException(<span class="jxr_string">"maximumPoolSize: "</span> + maximumPoolSize);<a name="121" href="#121">121</a> }<a name="122" href="#122">122</a> <a name="123" href="#123">123</a> <strong class="jxr_keyword">if</strong> (queueHandler == <strong class="jxr_keyword">null</strong>) {<a name="124" href="#124">124</a> queueHandler = NOOP_QUEUE_HANDLER;<a name="125" href="#125">125</a> }<a name="126" href="#126">126</a> <a name="127" href="#127">127</a> <strong class="jxr_keyword">this</strong>.corePoolSize = corePoolSize;<a name="128" href="#128">128</a> <strong class="jxr_keyword">this</strong>.maximumPoolSize = maximumPoolSize;<a name="129" href="#129">129</a> <strong class="jxr_keyword">this</strong>.queueHandler = queueHandler;<a name="130" href="#130">130</a> }<a name="131" href="#131">131</a> <a name="132" href="#132">132</a> <strong class="jxr_keyword">public</strong> <a href="../../../../../org/apache/mina/filter/executor/IoEventQueueHandler.html">IoEventQueueHandler</a> getQueueHandler() {<a name="133" href="#133">133</a> <strong class="jxr_keyword">return</strong> queueHandler;<a name="134" href="#134">134</a> }<a name="135" href="#135">135</a> <a name="136" href="#136">136</a> @Override<a name="137" href="#137">137</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> setRejectedExecutionHandler(RejectedExecutionHandler handler) {<a name="138" href="#138">138</a> <em class="jxr_comment">// Ignore the request. It must always be AbortPolicy.</em><a name="139" href="#139">139</a> }<a name="140" href="#140">140</a> <a name="141" href="#141">141</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> addWorker() {<a name="142" href="#142">142</a> <strong class="jxr_keyword">synchronized</strong> (workers) {<a name="143" href="#143">143</a> <strong class="jxr_keyword">if</strong> (workers.size() >= maximumPoolSize) {<a name="144" href="#144">144</a> <strong class="jxr_keyword">return</strong>;<a name="145" href="#145">145</a> }<a name="146" href="#146">146</a> <a name="147" href="#147">147</a> <a href="../../../../../org/apache/mina/common/AbstractPollingConnectionlessIoAcceptor.html">Worker</a> worker = <strong class="jxr_keyword">new</strong> <a href="../../../../../org/apache/mina/common/AbstractPollingConnectionlessIoAcceptor.html">Worker</a>();<a name="148" href="#148">148</a> Thread thread = getThreadFactory().newThread(worker);<a name="149" href="#149">149</a> idleWorkers.incrementAndGet();<a name="150" href="#150">150</a> thread.start();<a name="151" href="#151">151</a> workers.add(worker);<a name="152" href="#152">152</a> <a name="153" href="#153">153</a> <strong class="jxr_keyword">if</strong> (workers.size() > largestPoolSize) {<a name="154" href="#154">154</a> largestPoolSize = workers.size();<a name="155" href="#155">155</a> }<a name="156" href="#156">156</a> }<a name="157" href="#157">157</a> }<a name="158" href="#158">158</a> <a name="159" href="#159">159</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> addWorkerIfNecessary() {<a name="160" href="#160">160</a> <strong class="jxr_keyword">if</strong> (idleWorkers.get() == 0) {<a name="161" href="#161">161</a> <strong class="jxr_keyword">synchronized</strong> (workers) {<a name="162" href="#162">162</a> <strong class="jxr_keyword">if</strong> (workers.isEmpty() || idleWorkers.get() == 0) {<a name="163" href="#163">163</a> addWorker();<a name="164" href="#164">164</a> }<a name="165" href="#165">165</a> }<a name="166" href="#166">166</a> }<a name="167" href="#167">167</a> }<a name="168" href="#168">168</a> <a name="169" href="#169">169</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> removeWorker() {<a name="170" href="#170">170</a> <strong class="jxr_keyword">synchronized</strong> (workers) {<a name="171" href="#171">171</a> <strong class="jxr_keyword">if</strong> (workers.size() <= corePoolSize) {<a name="172" href="#172">172</a> <strong class="jxr_keyword">return</strong>;<a name="173" href="#173">173</a> }<a name="174" href="#174">174</a> getQueue().offer(EXIT_SIGNAL);<a name="175" href="#175">175</a> }<a name="176" href="#176">176</a> }<a name="177" href="#177">177</a> <a name="178" href="#178">178</a> @Override<a name="179" href="#179">179</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">int</strong> getMaximumPoolSize() {<a name="180" href="#180">180</a> <strong class="jxr_keyword">return</strong> maximumPoolSize;<a name="181" href="#181">181</a> }<a name="182" href="#182">182</a> <a name="183" href="#183">183</a> @Override<a name="184" href="#184">184</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> setMaximumPoolSize(<strong class="jxr_keyword">int</strong> maximumPoolSize) {<a name="185" href="#185">185</a> <strong class="jxr_keyword">if</strong> (maximumPoolSize <= 0 || maximumPoolSize < corePoolSize) {<a name="186" href="#186">186</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> IllegalArgumentException(<span class="jxr_string">"maximumPoolSize: "</span><a name="187" href="#187">187</a> + maximumPoolSize);<a name="188" href="#188">188</a> }<a name="189" href="#189">189</a> <a name="190" href="#190">190</a> <strong class="jxr_keyword">synchronized</strong> (workers) {<a name="191" href="#191">191</a> <strong class="jxr_keyword">this</strong>.maximumPoolSize = maximumPoolSize;<a name="192" href="#192">192</a> <strong class="jxr_keyword">int</strong> difference = workers.size() - maximumPoolSize;<a name="193" href="#193">193</a> <strong class="jxr_keyword">while</strong> (difference > 0) {<a name="194" href="#194">194</a> removeWorker();<a name="195" href="#195">195</a> --difference;<a name="196" href="#196">196</a> }<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> @Override<a name="201" href="#201">201</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">boolean</strong> awaitTermination(<strong class="jxr_keyword">long</strong> timeout, TimeUnit unit)<a name="202" href="#202">202</a> <strong class="jxr_keyword">throws</strong> InterruptedException {<a name="203" href="#203">203</a> <a name="204" href="#204">204</a> <strong class="jxr_keyword">long</strong> deadline = System.currentTimeMillis() + unit.toMillis(timeout);<a name="205" href="#205">205</a> <a name="206" href="#206">206</a> <strong class="jxr_keyword">synchronized</strong> (workers) {<a name="207" href="#207">207</a> <strong class="jxr_keyword">while</strong> (!isTerminated()) {<a name="208" href="#208">208</a> <strong class="jxr_keyword">long</strong> waitTime = deadline - System.currentTimeMillis();<a name="209" href="#209">209</a> <strong class="jxr_keyword">if</strong> (waitTime <= 0) {<a name="210" href="#210">210</a> <strong class="jxr_keyword">break</strong>;<a name="211" href="#211">211</a> }<a name="212" href="#212">212</a> <a name="213" href="#213">213</a> workers.wait(waitTime);<a name="214" href="#214">214</a> }<a name="215" href="#215">215</a> }<a name="216" href="#216">216</a> <strong class="jxr_keyword">return</strong> isTerminated();<a name="217" href="#217">217</a> }<a name="218" href="#218">218</a> <a name="219" href="#219">219</a> @Override<a name="220" href="#220">220</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">boolean</strong> isShutdown() {<a name="221" href="#221">221</a> <strong class="jxr_keyword">return</strong> shutdown;<a name="222" href="#222">222</a> }<a name="223" href="#223">223</a> <a name="224" href="#224">224</a> @Override<a name="225" href="#225">225</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">boolean</strong> isTerminated() {<a name="226" href="#226">226</a> <strong class="jxr_keyword">if</strong> (!shutdown) {<a name="227" href="#227">227</a> <strong class="jxr_keyword">return</strong> false;<a name="228" href="#228">228</a> }<a name="229" href="#229">229</a> <a name="230" href="#230">230</a> <strong class="jxr_keyword">synchronized</strong> (workers) {<a name="231" href="#231">231</a> <strong class="jxr_keyword">return</strong> workers.isEmpty();<a name="232" href="#232">232</a> }<a name="233" href="#233">233</a> }<a name="234" href="#234">234</a> <a name="235" href="#235">235</a> @Override<a name="236" href="#236">236</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> shutdown() {<a name="237" href="#237">237</a> <strong class="jxr_keyword">if</strong> (shutdown) {<a name="238" href="#238">238</a> <strong class="jxr_keyword">return</strong>;<a name="239" href="#239">239</a> }<a name="240" href="#240">240</a> <a name="241" href="#241">241</a> shutdown = <strong class="jxr_keyword">true</strong>;<a name="242" href="#242">242</a> <a name="243" href="#243">243</a> <strong class="jxr_keyword">synchronized</strong> (workers) {<a name="244" href="#244">244</a> <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = workers.size(); i > 0; i --) {
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