statisticstracker.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="288" href="#288">288</a>                 <strong>long</strong> sampleProcessedBytes =
<a name="289" href="#289">289</a>                     currentProcessedBytes - lastProcessedBytesCount;
<a name="290" href="#290">290</a> 
<a name="291" href="#291">291</a>                 currentKBPerSec =
<a name="292" href="#292">292</a>                     (<strong>int</strong>)(((sampleProcessedBytes/1024)/(sampleTime/1000)) + .5);
<a name="293" href="#293">293</a> 
<a name="294" href="#294">294</a>                 lastProcessedBytesCount = currentProcessedBytes;
<a name="295" href="#295">295</a>             }
<a name="296" href="#296">296</a>         }
<a name="297" href="#297">297</a> 
<a name="298" href="#298">298</a>         <strong>if</strong> (<strong>this</strong>.controller != <strong>null</strong>) {
<a name="299" href="#299">299</a>             <strong>this</strong>.controller.logProgressStatistics(getProgressStatisticsLine());
<a name="300" href="#300">300</a>         }
<a name="301" href="#301">301</a>         lastLogPointTime = System.currentTimeMillis();
<a name="302" href="#302">302</a>         <strong>super</strong>.progressStatisticsEvent(e);
<a name="303" href="#303">303</a>     }
<a name="304" href="#304">304</a> 
<a name="305" href="#305">305</a>     <em>/**<em>*</em></em>
<a name="306" href="#306">306</a> <em>     * Return one line of current progress-statistics</em>
<a name="307" href="#307">307</a> <em>     * </em>
<a name="308" href="#308">308</a> <em>     * @param now</em>
<a name="309" href="#309">309</a> <em>     * @return String of stats</em>
<a name="310" href="#310">310</a> <em>     */</em>
<a name="311" href="#311">311</a>     <strong>public</strong> String getProgressStatisticsLine(Date now) {
<a name="312" href="#312">312</a>         <strong>return</strong> <strong>new</strong> <a href="../../../../org/archive/util/PaddingStringBuffer.html">PaddingStringBuffer</a>()
<a name="313" href="#313">313</a>             .append(ArchiveUtils.TIMESTAMP14ISO8601Z.format(now))
<a name="314" href="#314">314</a>             .raAppend(32, discoveredUriCount)
<a name="315" href="#315">315</a>             .raAppend(44, queuedUriCount)
<a name="316" href="#316">316</a>             .raAppend(57, downloadedUriCount)
<a name="317" href="#317">317</a>             .raAppend(74, ArchiveUtils.
<a name="318" href="#318">318</a>                 doubleToString(currentDocsPerSecond, 2) +
<a name="319" href="#319">319</a>                 <span class="string">"("</span> + ArchiveUtils.doubleToString(docsPerSecond, 2) + <span class="string">")"</span>)
<a name="320" href="#320">320</a>             .raAppend(85, currentKBPerSec + <span class="string">"("</span> + totalKBPerSec + <span class="string">")"</span>)
<a name="321" href="#321">321</a>             .raAppend(99, downloadFailures)
<a name="322" href="#322">322</a>             .raAppend(113, busyThreads)
<a name="323" href="#323">323</a>             .raAppend(126, (Runtime.getRuntime().totalMemory() -
<a name="324" href="#324">324</a>                 Runtime.getRuntime().freeMemory()) / 1024)
<a name="325" href="#325">325</a>             .raAppend(140, Runtime.getRuntime().totalMemory() / 1024)
<a name="326" href="#326">326</a>             .raAppend(153, ArchiveUtils.doubleToString(congestionRatio, 2))
<a name="327" href="#327">327</a>             .raAppend(165, deepestUri)
<a name="328" href="#328">328</a>             .raAppend(177, averageDepth)
<a name="329" href="#329">329</a>             .toString();
<a name="330" href="#330">330</a>     }
<a name="331" href="#331">331</a>     
<a name="332" href="#332">332</a>     <strong>public</strong> Map getProgressStatistics() {
<a name="333" href="#333">333</a>         Map stats = <strong>new</strong> HashMap();
<a name="334" href="#334">334</a>         stats.put(<span class="string">"discoveredUriCount"</span>, <strong>new</strong> Long(discoveredUriCount));
<a name="335" href="#335">335</a>         stats.put(<span class="string">"queuedUriCount"</span>, <strong>new</strong> Long(queuedUriCount));
<a name="336" href="#336">336</a>         stats.put(<span class="string">"downloadedUriCount"</span>, <strong>new</strong> Long(downloadedUriCount));
<a name="337" href="#337">337</a>         stats.put(<span class="string">"currentDocsPerSecond"</span>, <strong>new</strong> Double(currentDocsPerSecond));
<a name="338" href="#338">338</a>         stats.put(<span class="string">"docsPerSecond"</span>, <strong>new</strong> Double(docsPerSecond));
<a name="339" href="#339">339</a>         stats.put(<span class="string">"totalKBPerSec"</span>, <strong>new</strong> Long(totalKBPerSec));
<a name="340" href="#340">340</a>         stats.put(<span class="string">"totalProcessedBytes"</span>, <strong>new</strong> Long(totalProcessedBytes));
<a name="341" href="#341">341</a>         stats.put(<span class="string">"currentKBPerSec"</span>, <strong>new</strong> Long(currentKBPerSec));
<a name="342" href="#342">342</a>         stats.put(<span class="string">"downloadFailures"</span>, <strong>new</strong> Long(downloadFailures));
<a name="343" href="#343">343</a>         stats.put(<span class="string">"busyThreads"</span>, <strong>new</strong> Integer(busyThreads));
<a name="344" href="#344">344</a>         stats.put(<span class="string">"congestionRatio"</span>, <strong>new</strong> Double(congestionRatio));
<a name="345" href="#345">345</a>         stats.put(<span class="string">"deepestUri"</span>, <strong>new</strong> Long(deepestUri));
<a name="346" href="#346">346</a>         stats.put(<span class="string">"averageDepth"</span>, <strong>new</strong> Long(averageDepth));
<a name="347" href="#347">347</a>         stats.put(<span class="string">"totalMemory"</span>, <strong>new</strong> Long(Runtime.getRuntime().totalMemory()));
<a name="348" href="#348">348</a>         stats.put(<span class="string">"freeMemory"</span>, <strong>new</strong> Long(Runtime.getRuntime().freeMemory()));
<a name="349" href="#349">349</a>         <strong>return</strong> stats;
<a name="350" href="#350">350</a>     }
<a name="351" href="#351">351</a> 
<a name="352" href="#352">352</a>     <em>/**<em>*</em></em>
<a name="353" href="#353">353</a> <em>     * Return one line of current progress-statistics</em>
<a name="354" href="#354">354</a> <em>     * </em>
<a name="355" href="#355">355</a> <em>     * @return String of stats</em>
<a name="356" href="#356">356</a> <em>     */</em>
<a name="357" href="#357">357</a>     <strong>public</strong> String getProgressStatisticsLine() {
<a name="358" href="#358">358</a>         <strong>return</strong> getProgressStatisticsLine(<strong>new</strong> Date());
<a name="359" href="#359">359</a>     }
<a name="360" href="#360">360</a>     
<a name="361" href="#361">361</a>     <strong>public</strong> <strong>double</strong> processedDocsPerSec(){
<a name="362" href="#362">362</a>         <strong>return</strong> docsPerSecond;
<a name="363" href="#363">363</a>     }
<a name="364" href="#364">364</a> 
<a name="365" href="#365">365</a>     <strong>public</strong> <strong>double</strong> currentProcessedDocsPerSec(){
<a name="366" href="#366">366</a>         <strong>return</strong> currentDocsPerSecond;
<a name="367" href="#367">367</a>     }
<a name="368" href="#368">368</a> 
<a name="369" href="#369">369</a>     <strong>public</strong> <strong>long</strong> processedKBPerSec(){
<a name="370" href="#370">370</a>         <strong>return</strong> totalKBPerSec;
<a name="371" href="#371">371</a>     }
<a name="372" href="#372">372</a> 
<a name="373" href="#373">373</a>     <strong>public</strong> <strong>int</strong> currentProcessedKBPerSec(){
<a name="374" href="#374">374</a>         <strong>return</strong> currentKBPerSec;
<a name="375" href="#375">375</a>     }
<a name="376" href="#376">376</a> 
<a name="377" href="#377">377</a>     <em>/**<em>* Returns a HashMap that contains information about distributions of</em></em>
<a name="378" href="#378">378</a> <em>     *  encountered mime types.  Key/value pairs represent</em>
<a name="379" href="#379">379</a> <em>     *  mime type -> count.</em>
<a name="380" href="#380">380</a> <em>     * &lt;p></em>
<a name="381" href="#381">381</a> <em>     * &lt;b>Note:&lt;/b> All the values are wrapped with a {@link LongWrapper LongWrapper}</em>
<a name="382" href="#382">382</a> <em>     * @return mimeTypeDistribution</em>
<a name="383" href="#383">383</a> <em>     */</em>
<a name="384" href="#384">384</a>     <strong>public</strong> Hashtable getFileDistribution() {
<a name="385" href="#385">385</a>         <strong>return</strong> mimeTypeDistribution;
<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>/**<em>*</em></em>
<a name="390" href="#390">390</a> <em>     * Increment a counter for a key in a given HashMap. Used for various</em>
<a name="391" href="#391">391</a> <em>     * aggregate data.</em>
<a name="392" href="#392">392</a> <em>     * </em>
<a name="393" href="#393">393</a> <em>     * As this is used to change Maps which depend on StatisticsTracker</em>
<a name="394" href="#394">394</a> <em>     * for their synchronization, this method should only be invoked</em>
<a name="395" href="#395">395</a> <em>     * from a a block synchronized on 'this'. </em>
<a name="396" href="#396">396</a> <em>     *</em>
<a name="397" href="#397">397</a> <em>     * @param map The HashMap</em>
<a name="398" href="#398">398</a> <em>     * @param key The key for the counter to be incremented, if it does not</em>
<a name="399" href="#399">399</a> <em>     *               exist it will be added (set to 1).  If null it will</em>
<a name="400" href="#400">400</a> <em>     *            increment the counter "unknown".</em>
<a name="401" href="#401">401</a> <em>     */</em>
<a name="402" href="#402">402</a>     <strong>protected</strong> <strong>static</strong> <strong>void</strong> incrementMapCount(Map map, String key) {
<a name="403" href="#403">403</a>     	incrementMapCount(map,key,1);
<a name="404" href="#404">404</a>     }
<a name="405" href="#405">405</a> 
<a name="406" href="#406">406</a>     <em>/**<em>*</em></em>
<a name="407" href="#407">407</a> <em>     * Increment a counter for a key in a given HashMap by an arbitrary amount.</em>
<a name="408" href="#408">408</a> <em>     * Used for various aggregate data. The increment amount can be negative.</em>
<a name="409" href="#409">409</a> <em>     *</em>
<a name="410" href="#410">410</a> <em>     * As this is used to change Maps which depend on StatisticsTracker</em>
<a name="411" href="#411">411</a> <em>     * for their synchronization, this method should only be invoked</em>
<a name="412" href="#412">412</a> <em>     * from a a block synchronized on 'this'. </em>
<a name="413" href="#413">413</a> <em>     *</em>
<a name="414" href="#414">414</a> <em>     * @param map</em>
<a name="415" href="#415">415</a> <em>     *            The HashMap</em>
<a name="416" href="#416">416</a> <em>     * @param key</em>
<a name="417" href="#417">417</a> <em>     *            The key for the counter to be incremented, if it does not exist</em>
<a name="418" href="#418">418</a> <em>     *            it will be added (set to equal to &lt;code>increment&lt;/code>).</em>
<a name="419" href="#419">419</a> <em>     *            If null it will increment the counter "unknown".</em>
<a name="420" href="#420">420</a> <em>     * @param increment</em>
<a name="421" href="#421">421</a> <em>     *            The amount to increment counter related to the &lt;code>key&lt;/code>.</em>
<a name="422" href="#422">422</a> <em>     */</em>
<a name="423" href="#423">423</a>     <strong>protected</strong> <strong>static</strong> <strong>void</strong> incrementMapCount(Map map, String key,
<a name="424" href="#424">424</a>             <strong>long</strong> increment) {
<a name="425" href="#425">425</a>         <strong>if</strong> (key == <strong>null</strong>) {
<a name="426" href="#426">426</a>             key = <span class="string">"unknown"</span>;
<a name="427" href="#427">427</a>         }
<a name="428" href="#428">428</a>         <a href="../../../../org/archive/util/LongWrapper.html">LongWrapper</a> lw = (LongWrapper)map.get(key);
<a name="429" href="#429">429</a>         <strong>if</strong>(lw == <strong>null</strong>) {
<a name="430" href="#430">430</a>             map.put(key, <strong>new</strong> <a href="../../../../org/archive/util/LongWrapper.html">LongWrapper</a>(increment));
<a name="431" href="#431">431</a>         } <strong>else</strong> {
<a name="432" href="#432">432</a>             lw.longValue += increment;
<a name="433" href="#433">433</a>         }
<a name="434" href="#434">434</a>     }
<a name="435" href="#435">435</a>