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MINA+API 关于MINA的API

<a name="118" href="#118">118</a>             lastReadTime = lastWriteTime =
<a name="119" href="#119">119</a>             lastIdleTimeForBoth = lastIdleTimeForRead =
<a name="120" href="#120">120</a>             lastIdleTimeForWrite = System.currentTimeMillis();
<a name="121" href="#121">121</a>         closeFuture.addListener(SCHEDULED_COUNTER_RESETTER);
<a name="122" href="#122">122</a>     }
<a name="123" href="#123">123</a>     
<a name="124" href="#124">124</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">long</strong> getId() {
<a name="125" href="#125">125</a>         <strong class="jxr_keyword">return</strong> hashCode() &amp; 0xFFFFFFFFL;
<a name="126" href="#126">126</a>     }
<a name="127" href="#127">127</a> 
<a name="128" href="#128">128</a>     @SuppressWarnings(<span class="jxr_string">"unchecked"</span>)
<a name="129" href="#129">129</a>     <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">abstract</strong> <a href="../../../../org/apache/mina/common/IoProcessor.html">IoProcessor</a> getProcessor();
<a name="130" href="#130">130</a> 
<a name="131" href="#131">131</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">boolean</strong> isConnected() {
<a name="132" href="#132">132</a>         <strong class="jxr_keyword">return</strong> !closeFuture.isClosed();
<a name="133" href="#133">133</a>     }
<a name="134" href="#134">134</a> 
<a name="135" href="#135">135</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">boolean</strong> isClosing() {
<a name="136" href="#136">136</a>         <strong class="jxr_keyword">return</strong> closing || closeFuture.isClosed();
<a name="137" href="#137">137</a>     }
<a name="138" href="#138">138</a> 
<a name="139" href="#139">139</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../org/apache/mina/common/CloseFuture.html">CloseFuture</a> getCloseFuture() {
<a name="140" href="#140">140</a>         <strong class="jxr_keyword">return</strong> closeFuture;
<a name="141" href="#141">141</a>     }
<a name="142" href="#142">142</a> 
<a name="143" href="#143">143</a>     <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">boolean</strong> isScheduledForFlush() {
<a name="144" href="#144">144</a>         <strong class="jxr_keyword">return</strong> scheduledForFlush.get();
<a name="145" href="#145">145</a>     }
<a name="146" href="#146">146</a> 
<a name="147" href="#147">147</a>     <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">boolean</strong> setScheduledForFlush(<strong class="jxr_keyword">boolean</strong> flag) {
<a name="148" href="#148">148</a>         <strong class="jxr_keyword">if</strong> (flag) {
<a name="149" href="#149">149</a>             <strong class="jxr_keyword">return</strong> scheduledForFlush.compareAndSet(false, <strong class="jxr_keyword">true</strong>);
<a name="150" href="#150">150</a>         } <strong class="jxr_keyword">else</strong> {
<a name="151" href="#151">151</a>             scheduledForFlush.set(false);
<a name="152" href="#152">152</a>             <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">true</strong>;
<a name="153" href="#153">153</a>         }
<a name="154" href="#154">154</a>     }
<a name="155" href="#155">155</a> 
<a name="156" href="#156">156</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../org/apache/mina/common/CloseFuture.html">CloseFuture</a> close(<strong class="jxr_keyword">boolean</strong> rightNow) {
<a name="157" href="#157">157</a>         <strong class="jxr_keyword">if</strong> (rightNow) {
<a name="158" href="#158">158</a>             <strong class="jxr_keyword">return</strong> close();
<a name="159" href="#159">159</a>         } <strong class="jxr_keyword">else</strong> {
<a name="160" href="#160">160</a>             <strong class="jxr_keyword">return</strong> closeOnFlush();
<a name="161" href="#161">161</a>         }
<a name="162" href="#162">162</a>     }
<a name="163" href="#163">163</a> 
<a name="164" href="#164">164</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../org/apache/mina/common/CloseFuture.html">CloseFuture</a> close() {
<a name="165" href="#165">165</a>         <strong class="jxr_keyword">synchronized</strong> (lock) {
<a name="166" href="#166">166</a>             <strong class="jxr_keyword">if</strong> (isClosing()) {
<a name="167" href="#167">167</a>                 <strong class="jxr_keyword">return</strong> closeFuture;
<a name="168" href="#168">168</a>             } <strong class="jxr_keyword">else</strong> {
<a name="169" href="#169">169</a>                 closing = <strong class="jxr_keyword">true</strong>;
<a name="170" href="#170">170</a>             }
<a name="171" href="#171">171</a>         }
<a name="172" href="#172">172</a> 
<a name="173" href="#173">173</a>         getFilterChain().fireFilterClose();
<a name="174" href="#174">174</a>         <strong class="jxr_keyword">return</strong> closeFuture;
<a name="175" href="#175">175</a>     }
<a name="176" href="#176">176</a> 
<a name="177" href="#177">177</a>     @SuppressWarnings(<span class="jxr_string">"unchecked"</span>)
<a name="178" href="#178">178</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../org/apache/mina/common/CloseFuture.html">CloseFuture</a> closeOnFlush() {
<a name="179" href="#179">179</a>         getWriteRequestQueue().offer(<strong class="jxr_keyword">this</strong>, CLOSE_REQUEST);
<a name="180" href="#180">180</a>         getProcessor().flush(<strong class="jxr_keyword">this</strong>);
<a name="181" href="#181">181</a>         <strong class="jxr_keyword">return</strong> closeFuture;
<a name="182" href="#182">182</a>     }
<a name="183" href="#183">183</a> 
<a name="184" href="#184">184</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../org/apache/mina/common/ReadFuture.html">ReadFuture</a> read() {
<a name="185" href="#185">185</a>         <strong class="jxr_keyword">if</strong> (!getConfig().isUseReadOperation()) {
<a name="186" href="#186">186</a>             <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> IllegalStateException(<span class="jxr_string">"useReadOperation is not enabled."</span>);
<a name="187" href="#187">187</a>         }
<a name="188" href="#188">188</a>         
<a name="189" href="#189">189</a>         Queue&lt;ReadFuture&gt; readyReadFutures = getReadyReadFutures();
<a name="190" href="#190">190</a>         <a href="../../../../org/apache/mina/common/ReadFuture.html">ReadFuture</a> future;
<a name="191" href="#191">191</a>         <strong class="jxr_keyword">synchronized</strong> (readyReadFutures) {
<a name="192" href="#192">192</a>             future = readyReadFutures.poll();
<a name="193" href="#193">193</a>             <strong class="jxr_keyword">if</strong> (future != <strong class="jxr_keyword">null</strong>) {
<a name="194" href="#194">194</a>                 <strong class="jxr_keyword">if</strong> (future.isClosed()) {
<a name="195" href="#195">195</a>                     <em class="jxr_comment">// Let other readers get notified.</em>
<a name="196" href="#196">196</a>                     readyReadFutures.offer(future);
<a name="197" href="#197">197</a>                 }
<a name="198" href="#198">198</a>             } <strong class="jxr_keyword">else</strong> {
<a name="199" href="#199">199</a>                 future = <strong class="jxr_keyword">new</strong> <a href="../../../../org/apache/mina/common/DefaultReadFuture.html">DefaultReadFuture</a>(<strong class="jxr_keyword">this</strong>);
<a name="200" href="#200">200</a>                 getWaitingReadFutures().offer(future);
<a name="201" href="#201">201</a>             }
<a name="202" href="#202">202</a>         }
<a name="203" href="#203">203</a>         
<a name="204" href="#204">204</a>         <strong class="jxr_keyword">return</strong> future;
<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">protected</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">void</strong> offerReadFuture(Object message) {
<a name="208" href="#208">208</a>         newReadFuture().setRead(message);
<a name="209" href="#209">209</a>     }
<a name="210" href="#210">210</a> 
<a name="211" href="#211">211</a>     <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">void</strong> offerFailedReadFuture(Throwable exception) {
<a name="212" href="#212">212</a>         newReadFuture().setException(exception);
<a name="213" href="#213">213</a>     }
<a name="214" href="#214">214</a> 
<a name="215" href="#215">215</a>     <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">void</strong> offerClosedReadFuture() {
<a name="216" href="#216">216</a>         Queue&lt;ReadFuture&gt; readyReadFutures = getReadyReadFutures();
<a name="217" href="#217">217</a>         <strong class="jxr_keyword">synchronized</strong> (readyReadFutures) {
<a name="218" href="#218">218</a>             newReadFuture().setClosed();
<a name="219" href="#219">219</a>         }
<a name="220" href="#220">220</a>     }
<a name="221" href="#221">221</a> 
<a name="222" href="#222">222</a>     <strong class="jxr_keyword">private</strong> <a href="../../../../org/apache/mina/common/ReadFuture.html">ReadFuture</a> newReadFuture() {
<a name="223" href="#223">223</a>         Queue&lt;ReadFuture&gt; readyReadFutures = getReadyReadFutures();
<a name="224" href="#224">224</a>         Queue&lt;ReadFuture&gt; waitingReadFutures = getWaitingReadFutures();
<a name="225" href="#225">225</a>         <a href="../../../../org/apache/mina/common/ReadFuture.html">ReadFuture</a> future;
<a name="226" href="#226">226</a>         <strong class="jxr_keyword">synchronized</strong> (readyReadFutures) {
<a name="227" href="#227">227</a>             future = waitingReadFutures.poll();
<a name="228" href="#228">228</a>             <strong class="jxr_keyword">if</strong> (future == <strong class="jxr_keyword">null</strong>) {
<a name="229" href="#229">229</a>                 future = <strong class="jxr_keyword">new</strong> <a href="../../../../org/apache/mina/common/DefaultReadFuture.html">DefaultReadFuture</a>(<strong class="jxr_keyword">this</strong>);
<a name="230" href="#230">230</a>                 readyReadFutures.offer(future);
<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> future;
<a name="234" href="#234">234</a>     }
<a name="235" href="#235">235</a> 
<a name="236" href="#236">236</a>     @SuppressWarnings(<span class="jxr_string">"unchecked"</span>)
<a name="237" href="#237">237</a>     <strong class="jxr_keyword">private</strong> Queue&lt;ReadFuture&gt; getReadyReadFutures() {
<a name="238" href="#238">238</a>         Queue&lt;ReadFuture&gt; readyReadFutures = 
<a name="239" href="#239">239</a>             (Queue&lt;ReadFuture&gt;) getAttribute(READY_READ_FUTURES);
<a name="240" href="#240">240</a>         <strong class="jxr_keyword">if</strong> (readyReadFutures == <strong class="jxr_keyword">null</strong>) {
<a name="241" href="#241">241</a>             readyReadFutures = <strong class="jxr_keyword">new</strong> CircularQueue&lt;ReadFuture&gt;();
<a name="242" href="#242">242</a>             
<a name="243" href="#243">243</a>             Queue&lt;ReadFuture&gt; oldReadyReadFutures =
<a name="244" href="#244">244</a>                 (Queue&lt;ReadFuture&gt;) setAttributeIfAbsent(