toepool.html

用JAVA编写的,在做实验的时候留下来的,本来想删的,但是传上来,大家分享吧

<a name="150" href="#150">150</a>         Thread[] toes = getToes();
<a name="151" href="#151">151</a>         <strong>for</strong> (<strong>int</strong> i = 0; i&lt; toes.length; i++) {
<a name="152" href="#152">152</a>             <strong>if</strong>(! (toes[i] instanceof ToeThread)) {
<a name="153" href="#153">153</a>                 <strong>continue</strong>;
<a name="154" href="#154">154</a>             }
<a name="155" href="#155">155</a>             <a href="../../../../org/archive/crawler/framework/ToeThread.html">ToeThread</a> toe = (ToeThread) toes[i];
<a name="156" href="#156">156</a>             <strong>if</strong>(toe.getSerialNumber()==threadNumber) {
<a name="157" href="#157">157</a>                 toe.kill();
<a name="158" href="#158">158</a>             }
<a name="159" href="#159">159</a>         }
<a name="160" href="#160">160</a> 
<a name="161" href="#161">161</a>         <strong>if</strong>(replace){
<a name="162" href="#162">162</a>             <em class="comment">// Create a new toe thread to take its place. Replace toe</em>
<a name="163" href="#163">163</a>             startNewThread();
<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>     <strong>private</strong> <strong>synchronized</strong> <strong>void</strong> startNewThread() {
<a name="168" href="#168">168</a>         <a href="../../../../org/archive/crawler/framework/ToeThread.html">ToeThread</a> <strong>new</strong>Thread = <strong>new</strong> <a href="../../../../org/archive/crawler/framework/ToeThread.html">ToeThread</a>(<strong>this</strong>, nextSerialNumber++);
<a name="169" href="#169">169</a>         newThread.setPriority(DEFAULT_TOE_PRIORITY);
<a name="170" href="#170">170</a>         newThread.start();
<a name="171" href="#171">171</a>     }
<a name="172" href="#172">172</a> 
<a name="173" href="#173">173</a>     <em>/**<em>*</em></em>
<a name="174" href="#174">174</a> <em>     * @return Instance of CrawlController.</em>
<a name="175" href="#175">175</a> <em>     */</em>
<a name="176" href="#176">176</a>     <strong>public</strong> <a href="../../../../org/archive/crawler/framework/CrawlController.html">CrawlController</a> getController() {
<a name="177" href="#177">177</a>         <strong>return</strong> controller;
<a name="178" href="#178">178</a>     }
<a name="179" href="#179">179</a>     
<a name="180" href="#180">180</a>     <em class="comment">//</em>
<a name="181" href="#181">181</a>     <em class="comment">// Reporter implementation</em>
<a name="182" href="#182">182</a>     <em class="comment">//</em>
<a name="183" href="#183">183</a>     
<a name="184" href="#184">184</a>     <strong>public</strong> <strong>static</strong> String STANDARD_REPORT = <span class="string">"standard"</span>;
<a name="185" href="#185">185</a>     <strong>public</strong> <strong>static</strong> String COMPACT_REPORT = <span class="string">"compact"</span>;
<a name="186" href="#186">186</a>     <strong>protected</strong> <strong>static</strong> String[] REPORTS = {STANDARD_REPORT,COMPACT_REPORT};
<a name="187" href="#187">187</a> 
<a name="188" href="#188">188</a>     <strong>public</strong> String[] getReports() {
<a name="189" href="#189">189</a>         <strong>return</strong> REPORTS;
<a name="190" href="#190">190</a>     }
<a name="191" href="#191">191</a> 
<a name="192" href="#192">192</a>     <strong>public</strong> <strong>void</strong> reportTo(String name, PrintWriter writer) {
<a name="193" href="#193">193</a>         <strong>if</strong>(COMPACT_REPORT.equals(name)) {
<a name="194" href="#194">194</a>             compactReportTo(writer);
<a name="195" href="#195">195</a>             <strong>return</strong>;
<a name="196" href="#196">196</a>         }
<a name="197" href="#197">197</a>         <strong>if</strong>(name!=<strong>null</strong> &amp;&amp; !STANDARD_REPORT.equals(name)) {
<a name="198" href="#198">198</a>             writer.print(name);
<a name="199" href="#199">199</a>             writer.print(<span class="string">" not recognized: giving standard report/n"</span>);
<a name="200" href="#200">200</a>         }
<a name="201" href="#201">201</a>         standardReportTo(writer);
<a name="202" href="#202">202</a>     }      
<a name="203" href="#203">203</a>             
<a name="204" href="#204">204</a>     <em class="comment">/*<em class="comment"> (non-Javadoc)</em></em>
<a name="205" href="#205">205</a> <em class="comment">     * @see org.archive.util.Reporter#reportTo(java.io.Writer)</em>
<a name="206" href="#206">206</a> <em class="comment">     */</em>
<a name="207" href="#207">207</a>     <strong>protected</strong> <strong>void</strong> standardReportTo(PrintWriter writer) {
<a name="208" href="#208">208</a>         writer.print(<span class="string">"Toe threads report - "</span>
<a name="209" href="#209">209</a>                 + ArchiveUtils.TIMESTAMP12.format(<strong>new</strong> Date()) + <span class="string">"\n"</span>);
<a name="210" href="#210">210</a>         writer.print(<span class="string">" Job being crawled: "</span>
<a name="211" href="#211">211</a>                 + <strong>this</strong>.controller.getOrder().getCrawlOrderName() + <span class="string">"\n"</span>);
<a name="212" href="#212">212</a>         writer.print(<span class="string">" Number of toe threads in pool: "</span> + getToeCount() + <span class="string">" ("</span>
<a name="213" href="#213">213</a>                 + getActiveToeCount() + <span class="string">" active)\n"</span>);
<a name="214" href="#214">214</a> 
<a name="215" href="#215">215</a>         Thread[] toes = <strong>this</strong>.getToes();
<a name="216" href="#216">216</a>         <strong>synchronized</strong> (toes) {
<a name="217" href="#217">217</a>             <strong>for</strong> (<strong>int</strong> i = 0; i &lt; toes.length; i++) {
<a name="218" href="#218">218</a>                 <strong>if</strong> (!(toes[i] instanceof ToeThread)) {
<a name="219" href="#219">219</a>                     <strong>continue</strong>;
<a name="220" href="#220">220</a>                 }
<a name="221" href="#221">221</a>                 <a href="../../../../org/archive/crawler/framework/ToeThread.html">ToeThread</a> tt = (ToeThread) toes[i];
<a name="222" href="#222">222</a>                 <strong>if</strong> (tt != <strong>null</strong>) {
<a name="223" href="#223">223</a>                     writer
<a name="224" href="#224">224</a>                             .print(<span class="string">"   ToeThread #"</span> + tt.getSerialNumber()
<a name="225" href="#225">225</a>                                     + <span class="string">"\n"</span>);
<a name="226" href="#226">226</a>                     tt.reportTo(writer);
<a name="227" href="#227">227</a>                 }
<a name="228" href="#228">228</a>             }
<a name="229" href="#229">229</a>         }
<a name="230" href="#230">230</a>     }
<a name="231" href="#231">231</a>     
<a name="232" href="#232">232</a>     <em class="comment">/*<em class="comment"> (non-Javadoc)</em></em>
<a name="233" href="#233">233</a> <em class="comment">     * @see org.archive.util.Reporter#reportTo(java.io.Writer)</em>
<a name="234" href="#234">234</a> <em class="comment">     */</em>
<a name="235" href="#235">235</a>     <strong>protected</strong> <strong>void</strong> compactReportTo(PrintWriter writer) {
<a name="236" href="#236">236</a>         writer.print(getToeCount() + <span class="string">" threads ("</span> + getActiveToeCount()
<a name="237" href="#237">237</a>                 + <span class="string">" active)\n"</span>);
<a name="238" href="#238">238</a> 
<a name="239" href="#239">239</a>         Thread[] toes = <strong>this</strong>.getToes();
<a name="240" href="#240">240</a>         <strong>boolean</strong> legendWritten = false; 
<a name="241" href="#241">241</a>         <em class="comment">// TODO: sort by activity: those with curi the longest at front</em>
<a name="242" href="#242">242</a>         <strong>synchronized</strong> (toes) {
<a name="243" href="#243">243</a>             <strong>for</strong> (<strong>int</strong> i = 0; i &lt; toes.length; i++) {
<a name="244" href="#244">244</a>                 <strong>if</strong> (!(toes[i] instanceof ToeThread)) {
<a name="245" href="#245">245</a>                     <strong>continue</strong>;
<a name="246" href="#246">246</a>                 }
<a name="247" href="#247">247</a>                 <a href="../../../../org/archive/crawler/framework/ToeThread.html">ToeThread</a> tt = (ToeThread) toes[i];
<a name="248" href="#248">248</a>                 <strong>if</strong> (tt != <strong>null</strong>) {
<a name="249" href="#249">249</a>                     <strong>if</strong>(!legendWritten) {
<a name="250" href="#250">250</a>                         writer.println(tt.singleLineLegend());
<a name="251" href="#251">251</a>                         legendWritten = <strong>true</strong>;
<a name="252" href="#252">252</a>                     }
<a name="253" href="#253">253</a>                     tt.singleLineReportTo(writer);
<a name="254" href="#254">254</a>                 }
<a name="255" href="#255">255</a>             }
<a name="256" href="#256">256</a>         }
<a name="257" href="#257">257</a>     }
<a name="258" href="#258">258</a> 
<a name="259" href="#259">259</a>     <strong>public</strong> <strong>void</strong> singleLineReportTo(PrintWriter w) {
<a name="260" href="#260">260</a>         <a href="../../../../org/archive/util/Histotable.html">Histotable</a> ht = <strong>new</strong> <a href="../../../../org/archive/util/Histotable.html">Histotable</a>();
<a name="261" href="#261">261</a>         Thread[] toes = getToes();
<a name="262" href="#262">262</a>         <strong>for</strong> (<strong>int</strong> i = 0; i &lt; toes.length; i++) {
<a name="263" href="#263">263</a> 
<a name="264" href="#264">264</a>             <strong>if</strong>(!(toes[i] instanceof <a href="../../../../org/archive/crawler/framework/ToeThread.html">ToeThread</a>)) {
<a name="265" href="#265">265</a>                 <strong>continue</strong>;
<a name="266" href="#266">266</a>             }
<a name="267" href="#267">267</a>             <a href="../../../../org/archive/crawler/framework/ToeThread.html">ToeThread</a> tt = (ToeThread)toes[i];
<a name="268" href="#268">268</a>             <strong>if</strong>(tt!=<strong>null</strong>) {
<a name="269" href="#269">269</a>                 ht.tally(tt.getStep());
<a name="270" href="#270">270</a>             }
<a name="271" href="#271">271</a>         }
<a name="272" href="#272">272</a>         TreeSet sorted = ht.getSorted();
<a name="273" href="#273">273</a>         w.print(getToeCount());
<a name="274" href="#274">274</a>         w.print(<span class="string">" threads: "</span>);        
<a name="275" href="#275">275</a>         w.print(Histotable.entryString(sorted.first()));
<a name="276" href="#276">276</a>         <strong>if</strong>(sorted.size()>1) {
<a name="277" href="#277">277</a>             Iterator iter = sorted.iterator();
<a name="278" href="#278">278</a>             iter.next();
<a name="279" href="#279">279</a>             w.print(<span class="string">"; "</span>);
<a name="280" href="#280">280</a>             w.print(Histotable.entryString(iter.next()));
<a name="281" href="#281">281</a>         }
<a name="282" href="#282">282</a>         <strong>if</strong>(sorted.size()>2) {
<a name="283" href="#283">283</a>             w.print(<span class="string">"; etc..."</span>);
<a name="284" href="#284">284</a>         }
<a name="285" href="#285">285</a>     }
<a name="286" href="#286">286</a> 
<a name="287" href="#287">287</a>     <em class="comment">/*<em class="comment"> (non-Javadoc)</em></em>
<a name="288" href="#288">288</a> <em class="comment">     * @see org.archive.util.Reporter#singleLineLegend()</em>
<a name="289" href="#289">289</a> <em class="comment">     */</em>
<a name="290" href="#290">290</a>     <strong>public</strong> String singleLineLegend() {
<a name="291" href="#291">291</a>         <strong>return</strong> <span class="string">"total: mostCommonStateTotal secondMostCommonStateTotal"</span>;
<a name="292" href="#292">292</a>     }
<a name="293" href="#293">293</a>     
<a name="294" href="#294">294</a>     <strong>public</strong> String singleLineReport() {
<a name="295" href="#295">295</a>         <strong>return</strong> ArchiveUtils.singleLineReport(<strong>this</strong>);
<a name="296" href="#296">296</a>     }
<a name="297" href="#297">297</a> 
<a name="298" href="#298">298</a>     <strong>public</strong> <strong>void</strong> reportTo(PrintWriter writer) {
<a name="299" href="#299">299</a>         reportTo(<strong>null</strong>,writer);
<a name="300" href="#300">300</a>     }
<a name="301" href="#301">301</a> }
</pre>
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