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MINA+API 关于MINA的API

<a name="283" href="#283">283</a>         <a href="../../../../../org/apache/mina/common/IoEvent.html">IoEvent</a> e = (IoEvent) task;
<a name="284" href="#284">284</a>         <a href="../../../../../org/apache/mina/common/IoSession.html">IoSession</a> s = e.getSession();
<a name="285" href="#285">285</a>         <a href="../../../../../org/apache/mina/filter/executor/OrderedThreadPoolExecutor.html">SessionBuffer</a> buf = getSessionBuffer(s);
<a name="286" href="#286">286</a>         Queue&lt;Runnable&gt; queue = buf.queue;
<a name="287" href="#287">287</a>         <strong class="jxr_keyword">boolean</strong> offerSession;
<a name="288" href="#288">288</a>         <strong class="jxr_keyword">boolean</strong> offerEvent = queueHandler.accept(<strong class="jxr_keyword">this</strong>, e);
<a name="289" href="#289">289</a>         <strong class="jxr_keyword">if</strong> (offerEvent) {
<a name="290" href="#290">290</a>             <strong class="jxr_keyword">synchronized</strong> (queue) {
<a name="291" href="#291">291</a>                 queue.offer(e);
<a name="292" href="#292">292</a>                 <strong class="jxr_keyword">if</strong> (buf.processingCompleted) {
<a name="293" href="#293">293</a>                     buf.processingCompleted = false;
<a name="294" href="#294">294</a>                     offerSession = <strong class="jxr_keyword">true</strong>;
<a name="295" href="#295">295</a>                 } <strong class="jxr_keyword">else</strong> {
<a name="296" href="#296">296</a>                     offerSession = false;
<a name="297" href="#297">297</a>                 }
<a name="298" href="#298">298</a>             }            
<a name="299" href="#299">299</a>         } <strong class="jxr_keyword">else</strong> {
<a name="300" href="#300">300</a>             offerSession = false;
<a name="301" href="#301">301</a>         }
<a name="302" href="#302">302</a>         
<a name="303" href="#303">303</a>         <strong class="jxr_keyword">if</strong> (offerSession) {
<a name="304" href="#304">304</a>             waitingSessions.offer(s);
<a name="305" href="#305">305</a>         }
<a name="306" href="#306">306</a>         
<a name="307" href="#307">307</a>         addWorkerIfNecessary();
<a name="308" href="#308">308</a>         
<a name="309" href="#309">309</a>         <strong class="jxr_keyword">if</strong> (offerEvent) {
<a name="310" href="#310">310</a>             queueHandler.offered(<strong class="jxr_keyword">this</strong>, e);
<a name="311" href="#311">311</a>         }
<a name="312" href="#312">312</a>     }
<a name="313" href="#313">313</a>     
<a name="314" href="#314">314</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> rejectTask(Runnable task) {
<a name="315" href="#315">315</a>         getRejectedExecutionHandler().rejectedExecution(task, <strong class="jxr_keyword">this</strong>);
<a name="316" href="#316">316</a>     }
<a name="317" href="#317">317</a>     
<a name="318" href="#318">318</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> checkTaskType(Runnable task) {
<a name="319" href="#319">319</a>         <strong class="jxr_keyword">if</strong> (!(task instanceof IoEvent)) {
<a name="320" href="#320">320</a>             <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> IllegalArgumentException(<span class="jxr_string">"task must be an IoEvent or its subclass."</span>);
<a name="321" href="#321">321</a>         }
<a name="322" href="#322">322</a>     }
<a name="323" href="#323">323</a> 
<a name="324" href="#324">324</a>     @Override
<a name="325" href="#325">325</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">int</strong> getActiveCount() {
<a name="326" href="#326">326</a>         <strong class="jxr_keyword">synchronized</strong> (workers) {
<a name="327" href="#327">327</a>             <strong class="jxr_keyword">return</strong> workers.size() - idleWorkers.get();
<a name="328" href="#328">328</a>         }
<a name="329" href="#329">329</a>     }
<a name="330" href="#330">330</a> 
<a name="331" href="#331">331</a>     @Override
<a name="332" href="#332">332</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">long</strong> getCompletedTaskCount() {
<a name="333" href="#333">333</a>         <strong class="jxr_keyword">synchronized</strong> (workers) {
<a name="334" href="#334">334</a>             <strong class="jxr_keyword">long</strong> answer = completedTaskCount;
<a name="335" href="#335">335</a>             <strong class="jxr_keyword">for</strong> (Worker w: workers) {
<a name="336" href="#336">336</a>                 answer += w.completedTaskCount;
<a name="337" href="#337">337</a>             }
<a name="338" href="#338">338</a>             
<a name="339" href="#339">339</a>             <strong class="jxr_keyword">return</strong> answer;
<a name="340" href="#340">340</a>         }
<a name="341" href="#341">341</a>     }
<a name="342" href="#342">342</a> 
<a name="343" href="#343">343</a>     @Override
<a name="344" href="#344">344</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">int</strong> getLargestPoolSize() {
<a name="345" href="#345">345</a>         <strong class="jxr_keyword">return</strong> largestPoolSize;
<a name="346" href="#346">346</a>     }
<a name="347" href="#347">347</a> 
<a name="348" href="#348">348</a>     @Override
<a name="349" href="#349">349</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">int</strong> getPoolSize() {
<a name="350" href="#350">350</a>         <strong class="jxr_keyword">synchronized</strong> (workers) {
<a name="351" href="#351">351</a>             <strong class="jxr_keyword">return</strong> workers.size();
<a name="352" href="#352">352</a>         }
<a name="353" href="#353">353</a>     }
<a name="354" href="#354">354</a> 
<a name="355" href="#355">355</a>     @Override
<a name="356" href="#356">356</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">long</strong> getTaskCount() {
<a name="357" href="#357">357</a>         <strong class="jxr_keyword">return</strong> getCompletedTaskCount();
<a name="358" href="#358">358</a>     }
<a name="359" href="#359">359</a> 
<a name="360" href="#360">360</a>     @Override
<a name="361" href="#361">361</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">boolean</strong> isTerminating() {
<a name="362" href="#362">362</a>         <strong class="jxr_keyword">synchronized</strong> (workers) {
<a name="363" href="#363">363</a>             <strong class="jxr_keyword">return</strong> isShutdown() &amp;&amp; !isTerminated();
<a name="364" href="#364">364</a>         }
<a name="365" href="#365">365</a>     }
<a name="366" href="#366">366</a> 
<a name="367" href="#367">367</a>     @Override
<a name="368" href="#368">368</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">int</strong> prestartAllCoreThreads() {
<a name="369" href="#369">369</a>         <strong class="jxr_keyword">int</strong> answer = 0;
<a name="370" href="#370">370</a>         <strong class="jxr_keyword">synchronized</strong> (workers) {
<a name="371" href="#371">371</a>             <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = corePoolSize - workers.size() ; i &gt; 0; i --) {
<a name="372" href="#372">372</a>                 addWorker();
<a name="373" href="#373">373</a>                 answer ++;
<a name="374" href="#374">374</a>             }
<a name="375" href="#375">375</a>         }
<a name="376" href="#376">376</a>         <strong class="jxr_keyword">return</strong> answer;
<a name="377" href="#377">377</a>     }
<a name="378" href="#378">378</a> 
<a name="379" href="#379">379</a>     @Override
<a name="380" href="#380">380</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">boolean</strong> prestartCoreThread() {
<a name="381" href="#381">381</a>         <strong class="jxr_keyword">synchronized</strong> (workers) {
<a name="382" href="#382">382</a>             <strong class="jxr_keyword">if</strong> (workers.size() &lt; corePoolSize) {
<a name="383" href="#383">383</a>                 addWorker();
<a name="384" href="#384">384</a>                 <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">true</strong>;
<a name="385" href="#385">385</a>             } <strong class="jxr_keyword">else</strong> {
<a name="386" href="#386">386</a>                 <strong class="jxr_keyword">return</strong> false;
<a name="387" href="#387">387</a>             }
<a name="388" href="#388">388</a>         }
<a name="389" href="#389">389</a>     }
<a name="390" href="#390">390</a>     
<a name="391" href="#391">391</a>     @Override
<a name="392" href="#392">392</a>     <strong class="jxr_keyword">public</strong> BlockingQueue&lt;Runnable&gt; getQueue() {
<a name="393" href="#393">393</a>         <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> UnsupportedOperationException();
<a name="394" href="#394">394</a>     }
<a name="395" href="#395">395</a>     
<a name="396" href="#396">396</a>     @Override
<a name="397" href="#397">397</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> purge() {
<a name="398" href="#398">398</a>     }
<a name="399" href="#399">399</a> 
<a name="400" href="#400">400</a>     @Override
<a name="401" href="#401">401</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">boolean</strong> remove(Runnable task) {
<a name="402" href="#402">402</a>         checkTaskType(task);
<a name="403" href="#403">403</a>         <a href="../../../../../org/apache/mina/common/IoEvent.html">IoEvent</a> e = (IoEvent) task;
<a name="404" href="#404">404</a>         <a href="../../../../../org/apache/mina/common/IoSession.html">IoSession</a> s = e.getSession();
<a name="405" href="#405">405</a>         <a href="../../../../../org/apache/mina/filter/executor/OrderedThreadPoolExecutor.html">SessionBuffer</a> buffer = (SessionBuffer) s.getAttribute(BUFFER);
<a name="406" href="#406">406</a>         <strong class="jxr_keyword">if</strong> (buffer == <strong class="jxr_keyword">null</strong>) {
<a name="407" href="#407">407</a>             <strong class="jxr_keyword">return</strong> false;
<a name="408" href="#408">408</a>         }
<a name="409" href="#409">409</a>         
<a name="410" href="#410">410</a>         <strong class="jxr_keyword">boolean</strong> removed;
<a name="411" href="#411">411</a>         <strong class="jxr_keyword">synchronized</strong> (buffer.queue) {
<a name="412" href="#412">412</a>             removed = buffer.queue.remove(task);
<a name="413" href="#413">413</a>         }
<a name="414" href="#414">414</a>         
<a name="415" href="#415">415</a>         <strong class="jxr_keyword">if</strong> (removed) {
<a name="416" href="#416">416</a>             getQueueHandler().polled(<strong class="jxr_keyword">this</strong>, e);
<a name="417" href="#417">417</a>         }
<a name="418" href="#418">418</a>         
<a name="419" href="#419">419</a>         <strong class="jxr_keyword">return</strong> removed;
<a name="420" href="#420">420</a>     }
<a name="421" href="#421">421</a>     
<a name="422" href="#422">422</a>     @Override
<a name="423" href="#423">423</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">int</strong> getCorePoolSize() {
<a name="424" href="#424">424</a>         <strong class="jxr_keyword">return</strong> corePoolSize;
<a name="425" href="#425">425</a>     }
<a name="426" href="#426">426</a> 
<a name="427" href="#427">427</a>     @Override
<a name="428" href="#428">428</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> setCorePoolSize(<strong class="jxr_keyword">int</strong> corePoolSize) {