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<a name="308" href="#308">308</a>         Iterator it = hostQueues.keySet().iterator();
<a name="309" href="#309">309</a>         <strong>long</strong> count = 0;
<a name="310" href="#310">310</a>         <strong>while</strong>(it.hasNext()){
<a name="311" href="#311">311</a>             AdaptiveRevisitHostQueueWrapper wrapper =
<a name="312" href="#312">312</a>                 (AdaptiveRevisitHostQueueWrapper)it.next();
<a name="313" href="#313">313</a>             count += wrapper.hq.getSize();
<a name="314" href="#314">314</a>         }
<a name="315" href="#315">315</a>         <strong>return</strong> count;
<a name="316" href="#316">316</a>     }
<a name="317" href="#317">317</a>         
<a name="318" href="#318">318</a>     <em>/**<em>*</em></em>
<a name="319" href="#319">319</a> <em>     * This class wraps an AdaptiveRevisitHostQueue with a fixed value for next</em>
<a name="320" href="#320">320</a> <em>     * ready time.</em>
<a name="321" href="#321">321</a> <em>     * This is done to facilitate sorting by making sure that the value does </em>
<a name="322" href="#322">322</a> <em>     * not change while the HQ is in the sorted list. With this wrapper, it</em>
<a name="323" href="#323">323</a> <em>     * is possible to remove it from the sorted list, then update the time of</em>
<a name="324" href="#324">324</a> <em>     * next ready, and then readd (resort) it. </em>
<a name="325" href="#325">325</a> <em>     *</em>
<a name="326" href="#326">326</a> <em>     * @author Kristinn Sigurdsson</em>
<a name="327" href="#327">327</a> <em>     */</em>
<a name="328" href="#328">328</a>     <strong>private</strong> <strong>class</strong> AdaptiveRevisitHostQueueWrapper implements Comparable{
<a name="329" href="#329">329</a>         <strong>long</strong> nextReadyTime;
<a name="330" href="#330">330</a>         <a href="../../../../org/archive/crawler/frontier/AdaptiveRevisitHostQueue.html">AdaptiveRevisitHostQueue</a> hq;
<a name="331" href="#331">331</a>         
<a name="332" href="#332">332</a>         <strong>public</strong> AdaptiveRevisitHostQueueWrapper(<a href="../../../../org/archive/crawler/frontier/AdaptiveRevisitHostQueue.html">AdaptiveRevisitHostQueue</a> hq){
<a name="333" href="#333">333</a>             nextReadyTime = hq.getNextReadyTime();
<a name="334" href="#334">334</a>             <strong>this</strong>.hq = hq;
<a name="335" href="#335">335</a>         }
<a name="336" href="#336">336</a>         
<a name="337" href="#337">337</a>         <em>/**<em>*</em></em>
<a name="338" href="#338">338</a> <em>         * Compares the this ARHQWrapper to the supplied one.</em>
<a name="339" href="#339">339</a> <em>         * </em>
<a name="340" href="#340">340</a> <em>         * @param obj the HQ to compare to. If this object is not an instance</em>
<a name="341" href="#341">341</a> <em>         *             of ARHostQueueWrapper then the method will throw a </em>
<a name="342" href="#342">342</a> <em>         *             ClassCastException.</em>
<a name="343" href="#343">343</a> <em>         * @return a value less than 0 if this HQWrappers time of next ready</em>
<a name="344" href="#344">344</a> <em>         *         value is less than the argument HQWrappers's; and a value </em>
<a name="345" href="#345">345</a> <em>         *         greater than 0 if this value is greater. If the time of</em>
<a name="346" href="#346">346</a> <em>         *         next ready is equal, the hostName strings will be compared</em>
<a name="347" href="#347">347</a> <em>         *         and that result returned.</em>
<a name="348" href="#348">348</a> <em>         */</em>
<a name="349" href="#349">349</a>         <strong>public</strong> <strong>int</strong> compareTo(Object obj){
<a name="350" href="#350">350</a>             AdaptiveRevisitHostQueueWrapper comp =
<a name="351" href="#351">351</a>                 (AdaptiveRevisitHostQueueWrapper)obj;
<a name="352" href="#352">352</a> 
<a name="353" href="#353">353</a>             <strong>long</strong> compTime = comp.nextReadyTime;
<a name="354" href="#354">354</a>             
<a name="355" href="#355">355</a>             <strong>if</strong>(nextReadyTime>compTime){
<a name="356" href="#356">356</a>                 <strong>return</strong> 1;
<a name="357" href="#357">357</a>             } <strong>else</strong> <strong>if</strong>(nextReadyTime&lt;compTime){
<a name="358" href="#358">358</a>                 <strong>return</strong> -1;
<a name="359" href="#359">359</a>             } <strong>else</strong> {
<a name="360" href="#360">360</a>                 <em class="comment">// Equal time. Use hostnames</em>
<a name="361" href="#361">361</a>                 <strong>return</strong> hq.getHostName().compareTo(comp.hq.getHostName());
<a name="362" href="#362">362</a>             }
<a name="363" href="#363">363</a>         }
<a name="364" href="#364">364</a>     }
<a name="365" href="#365">365</a>     
<a name="366" href="#366">366</a>     <em>/**<em>*</em></em>
<a name="367" href="#367">367</a> <em>     * Closes all HQs and the Environment. </em>
<a name="368" href="#368">368</a> <em>     */</em>
<a name="369" href="#369">369</a>     <strong>public</strong> <strong>void</strong> close(){
<a name="370" href="#370">370</a>         Iterator it = sortedHostQueues.iterator();
<a name="371" href="#371">371</a>         <strong>while</strong>(it.hasNext()){
<a name="372" href="#372">372</a>             <a href="../../../../org/archive/crawler/frontier/AdaptiveRevisitHostQueue.html">AdaptiveRevisitHostQueue</a> hq =
<a name="373" href="#373">373</a>                 ((AdaptiveRevisitHostQueueWrapper)it.next()).hq;
<a name="374" href="#374">374</a>             <strong>try</strong> {
<a name="375" href="#375">375</a>                 hq.close();
<a name="376" href="#376">376</a>             } <strong>catch</strong> (IOException e) {
<a name="377" href="#377">377</a>                 logger.severe(<span class="string">"IOException while closing "</span> + hq.getHostName() +
<a name="378" href="#378">378</a>                         <span class="string">"\n"</span> + e.getMessage());
<a name="379" href="#379">379</a>             }
<a name="380" href="#380">380</a>         }
<a name="381" href="#381">381</a>         <strong>try</strong> {
<a name="382" href="#382">382</a>             hostNamesDB.close();
<a name="383" href="#383">383</a>         } <strong>catch</strong> (DatabaseException e) {
<a name="384" href="#384">384</a>             logger.severe(<span class="string">"IOException while closing hostNamesDB"</span> +
<a name="385" href="#385">385</a>                     <span class="string">"\n"</span> + e.getMessage());
<a name="386" href="#386">386</a>         }
<a name="387" href="#387">387</a>     }
<a name="388" href="#388">388</a>     
<a name="389" href="#389">389</a>     <em class="comment">//</em>
<a name="390" href="#390">390</a>     <em class="comment">// Reporter implementation</em>
<a name="391" href="#391">391</a>     <em class="comment">//</em>
<a name="392" href="#392">392</a>     
<a name="393" href="#393">393</a>     <strong>public</strong> String[] getReports() {
<a name="394" href="#394">394</a>         <em class="comment">// none but default for now</em>
<a name="395" href="#395">395</a>         <strong>return</strong> <strong>new</strong> String[] {};
<a name="396" href="#396">396</a>     }
<a name="397" href="#397">397</a>     
<a name="398" href="#398">398</a>     <em class="comment">/*<em class="comment"> (non-Javadoc)</em></em>
<a name="399" href="#399">399</a> <em class="comment">     * @see org.archive.util.Reporter#singleLineReport()</em>
<a name="400" href="#400">400</a> <em class="comment">     */</em>
<a name="401" href="#401">401</a>     <strong>public</strong> String singleLineReport() {
<a name="402" href="#402">402</a>         <strong>return</strong> ArchiveUtils.singleLineReport(<strong>this</strong>);
<a name="403" href="#403">403</a>     }
<a name="404" href="#404">404</a> 
<a name="405" href="#405">405</a>     <em class="comment">/*<em class="comment"> (non-Javadoc)</em></em>
<a name="406" href="#406">406</a> <em class="comment">     * @see org.archive.util.Reporter#reportTo(java.io.Writer)</em>
<a name="407" href="#407">407</a> <em class="comment">     */</em>
<a name="408" href="#408">408</a>     <strong>public</strong> <strong>void</strong> reportTo(PrintWriter writer) {
<a name="409" href="#409">409</a>         Iterator it = sortedHostQueues.iterator();
<a name="410" href="#410">410</a>         <strong>while</strong>(it.hasNext()){
<a name="411" href="#411">411</a>             AdaptiveRevisitHostQueueWrapper wrapper =
<a name="412" href="#412">412</a>                 (AdaptiveRevisitHostQueueWrapper)it.next();
<a name="413" href="#413">413</a>           
<a name="414" href="#414">414</a>             writer.print(wrapper.hq.report(10));
<a name="415" href="#415">415</a>             writer.print(<span class="string">"\n\n"</span>);
<a name="416" href="#416">416</a>         }
<a name="417" href="#417">417</a>     }
<a name="418" href="#418">418</a>     
<a name="419" href="#419">419</a>     <strong>public</strong> <strong>void</strong> reportTo(String name, PrintWriter writer) {
<a name="420" href="#420">420</a>         <strong>if</strong>(name==<strong>null</strong> || hostQueues.containsKey(name)==false){
<a name="421" href="#421">421</a>         	reportTo(writer);
<a name="422" href="#422">422</a>         } <strong>else</strong> {
<a name="423" href="#423">423</a> 	    	AdaptiveRevisitHostQueueWrapper wrapper =
<a name="424" href="#424">424</a> 	                (AdaptiveRevisitHostQueueWrapper)hostQueues.get(name);
<a name="425" href="#425">425</a> 	          
<a name="426" href="#426">426</a> 	        writer.print(wrapper.hq.report(0));
<a name="427" href="#427">427</a> 	        writer.print(<span class="string">"\n\n"</span>);
<a name="428" href="#428">428</a>         }
<a name="429" href="#429">429</a>     }
<a name="430" href="#430">430</a>     
<a name="431" href="#431">431</a>     <strong>public</strong> <strong>void</strong> singleLineReportTo(PrintWriter writer) {
<a name="432" href="#432">432</a>         Iterator it = sortedHostQueues.iterator();
<a name="433" href="#433">433</a>         <strong>int</strong> total = 0;
<a name="434" href="#434">434</a>         <strong>int</strong> ready = 0;
<a name="435" href="#435">435</a>         <strong>int</strong> snoozed = 0;
<a name="436" href="#436">436</a>         <strong>int</strong> empty = 0;
<a name="437" href="#437">437</a>         <strong>int</strong> busy = 0;
<a name="438" href="#438">438</a>         <strong>while</strong>(it.hasNext()){
<a name="439" href="#439">439</a>             AdaptiveRevisitHostQueueWrapper wrapper =
<a name="440" href="#440">440</a>                 (AdaptiveRevisitHostQueueWrapper)it.next();
<a name="441" href="#441">441</a>             total++;
<a name="442" href="#442">442</a>             <strong>switch</strong>(wrapper.hq.getState()){
<a name="443" href="#443">443</a>                 <strong>case</strong> AdaptiveRevisitHostQueue.HQSTATE_BUSY : busy++; <strong>break</strong>;
<a name="444" href="#444">444</a>                 <strong>case</strong> AdaptiveRevisitHostQueue.HQSTATE_EMPTY : empty++; <strong>break</strong>;
<a name="445" href="#445">445</a>                 <strong>case</strong> AdaptiveRevisitHostQueue.HQSTATE_READY : ready++; <strong>break</strong>;
<a name="446" href="#446">446</a>                 <strong>case</strong> AdaptiveRevisitHostQueue.HQSTATE_SNOOZED : snoozed++; <strong>break</strong>;
<a name="447" href="#447">447</a>             }
<a name="448" href="#448">448</a>         }
<a name="449" href="#449">449</a>         writer.print(total + <span class="string">" queues: "</span> + ready + <span class="string">" ready, "</span> + snoozed + 
<a name="450" href="#450">450</a>             <span class="string">" snoozed, "</span> + busy + <span class="string">" busy, and "</span> + empty + <span class="string">" empty"</span>);
<a name="451" href="#451">451</a>     }
<a name="452" href="#452">452</a>     
<a name="453" href="#453">453</a>     <em class="comment">/*<em class="comment"> (non-Javadoc)</em></em>
<a name="454" href="#454">454</a> <em class="comment">     * @see org.archive.util.Reporter#singleLineLegend()</em>
<a name="455" href="#455">455</a> <em class="comment">     */</em>
<a name="456" href="#456">456</a>     <strong>public</strong> String singleLineLegend() {
<a name="457" href="#457">457</a>         <strong>return</strong> <span class="string">"total ready snoozed busy empty"</span>;
<a name="458" href="#458">458</a>     }
<a name="459" href="#459">459</a> 
<a name="460" href="#460">460</a> }
</pre>
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