crawlstatuslistener.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

 
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<A NAME="crawlStarted(java.lang.String)"><!-- --></A><H3>
crawlStarted</H3>
<PRE>
void <B>crawlStarted</B>(java.lang.String&nbsp;message)</PRE>
<DL>
<DD>Called on crawl start.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>message</CODE> - Start message.</DL>
</DD>
</DL>
<HR>

<A NAME="crawlEnding(java.lang.String)"><!-- --></A><H3>
crawlEnding</H3>
<PRE>
void <B>crawlEnding</B>(java.lang.String&nbsp;sExitMessage)</PRE>
<DL>
<DD>Called when a CrawlController is ending a crawl (for any reason)
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>sExitMessage</CODE> - Type of exit. Should be one of the STATUS constants
 in defined in CrawlJob.<DT><B>See Also:</B><DD><A HREF="../../../../org/archive/crawler/admin/CrawlJob.html" title="class in org.archive.crawler.admin"><CODE>CrawlJob</CODE></A></DL>
</DD>
</DL>
<HR>

<A NAME="crawlEnded(java.lang.String)"><!-- --></A><H3>
crawlEnded</H3>
<PRE>
void <B>crawlEnded</B>(java.lang.String&nbsp;sExitMessage)</PRE>
<DL>
<DD>Called when a CrawlController has ended a crawl and is about to exit.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>sExitMessage</CODE> - Type of exit. Should be one of the STATUS constants
 in defined in CrawlJob.<DT><B>See Also:</B><DD><A HREF="../../../../org/archive/crawler/admin/CrawlJob.html" title="class in org.archive.crawler.admin"><CODE>CrawlJob</CODE></A></DL>
</DD>
</DL>
<HR>

<A NAME="crawlPausing(java.lang.String)"><!-- --></A><H3>
crawlPausing</H3>
<PRE>
void <B>crawlPausing</B>(java.lang.String&nbsp;statusMessage)</PRE>
<DL>
<DD>Called when a CrawlController is going to be paused.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>statusMessage</CODE> - Should be
 <A HREF="../../../../org/archive/crawler/admin/CrawlJob.html#STATUS_WAITING_FOR_PAUSE"><CODE>STATUS_WAITING_FOR_PAUSE</CODE></A>. Passed for convenience</DL>
</DD>
</DL>
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<A NAME="crawlPaused(java.lang.String)"><!-- --></A><H3>
crawlPaused</H3>
<PRE>
void <B>crawlPaused</B>(java.lang.String&nbsp;statusMessage)</PRE>
<DL>
<DD>Called when a CrawlController is actually paused (all threads are idle).
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>statusMessage</CODE> - Should be
 <A HREF="../../../../org/archive/crawler/admin/CrawlJob.html#STATUS_PAUSED"><CODE>CrawlJob.STATUS_PAUSED</CODE></A>. Passed for
 convenience</DL>
</DD>
</DL>
<HR>

<A NAME="crawlResuming(java.lang.String)"><!-- --></A><H3>
crawlResuming</H3>
<PRE>
void <B>crawlResuming</B>(java.lang.String&nbsp;statusMessage)</PRE>
<DL>
<DD>Called when a CrawlController is resuming a crawl that had been paused.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>statusMessage</CODE> - Should be
 <A HREF="../../../../org/archive/crawler/admin/CrawlJob.html#STATUS_RUNNING"><CODE>CrawlJob.STATUS_RUNNING</CODE></A>. Passed for
 convenience</DL>
</DD>
</DL>
<HR>

<A NAME="crawlCheckpoint(java.io.File)"><!-- --></A><H3>
crawlCheckpoint</H3>
<PRE>
void <B>crawlCheckpoint</B>(java.io.File&nbsp;checkpointDir)
                     throws java.lang.Exception</PRE>
<DL>
<DD>Called by <A HREF="../../../../org/archive/crawler/framework/CrawlController.html" title="class in org.archive.crawler.framework"><CODE>CrawlController</CODE></A> when checkpointing.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>checkpointDir</CODE> - Checkpoint dir.  Write checkpoint state here.
<DT><B>Throws:</B>
<DD><CODE>java.lang.Exception</CODE> - A fatal exception.  Any exceptions
 that are let out of this checkpoint are assumed fatal
 and terminate further checkpoint processing.</DL>
</DD>
</DL>
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