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📄 abstractfrontier.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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<TD><CODE><B><A HREF="../../../../org/archive/crawler/frontier/AbstractFrontier.html#ATTR_MAX_OVERALL_BANDWIDTH_USAGE">ATTR_MAX_OVERALL_BANDWIDTH_USAGE</A></B></CODE><BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;maximum overall bandwidth usage</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static&nbsp;java.lang.String</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/archive/crawler/frontier/AbstractFrontier.html#ATTR_MAX_RETRIES">ATTR_MAX_RETRIES</A></B></CODE><BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;maximum times to emit a CrawlURI without final disposition</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static&nbsp;java.lang.String</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/archive/crawler/frontier/AbstractFrontier.html#ATTR_MIN_DELAY">ATTR_MIN_DELAY</A></B></CODE><BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;always wait this long after one completion before recontacting same server, regardless of multiple</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static&nbsp;java.lang.String</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/archive/crawler/frontier/AbstractFrontier.html#ATTR_PAUSE_AT_FINISH">ATTR_PAUSE_AT_FINISH</A></B></CODE><BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;whether pause, rather than finish, when crawl appears done</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static&nbsp;java.lang.String</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/archive/crawler/frontier/AbstractFrontier.html#ATTR_PAUSE_AT_START">ATTR_PAUSE_AT_START</A></B></CODE><BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;whether to pause at crawl start</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static&nbsp;java.lang.String</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/archive/crawler/frontier/AbstractFrontier.html#ATTR_PREFERENCE_EMBED_HOPS">ATTR_PREFERENCE_EMBED_HOPS</A></B></CODE><BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;number of hops of embeds (ERX) to bump to front of host queue</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static&nbsp;java.lang.String</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/archive/crawler/frontier/AbstractFrontier.html#ATTR_QUEUE_ASSIGNMENT_POLICY">ATTR_QUEUE_ASSIGNMENT_POLICY</A></B></CODE><BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>protected static&nbsp;java.lang.String</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/archive/crawler/frontier/AbstractFrontier.html#ATTR_RECOVERY_ENABLED">ATTR_RECOVERY_ENABLED</A></B></CODE><BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Recover log on or off attribute.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static&nbsp;java.lang.String</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/archive/crawler/frontier/AbstractFrontier.html#ATTR_RETRY_DELAY">ATTR_RETRY_DELAY</A></B></CODE><BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;for retryable problems, seconds to wait before a retry</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static&nbsp;java.lang.String</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/archive/crawler/frontier/AbstractFrontier.html#ATTR_SOURCE_TAG_SEEDS">ATTR_SOURCE_TAG_SEEDS</A></B></CODE><BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;whether to pause at crawl start</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>protected &nbsp;<A HREF="../../../../org/archive/crawler/framework/CrawlController.html" title="class in org.archive.crawler.framework">CrawlController</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/archive/crawler/frontier/AbstractFrontier.html#controller">controller</A></B></CODE><BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>protected static&nbsp;java.lang.Boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/archive/crawler/frontier/AbstractFrontier.html#DEFAULT_ATTR_RECOVERY_ENABLED">DEFAULT_ATTR_RECOVERY_ENABLED</A></B></CODE><BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>protected static&nbsp;java.lang.Float</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/archive/crawler/frontier/AbstractFrontier.html#DEFAULT_DELAY_FACTOR">DEFAULT_DELAY_FACTOR</A></B></CODE><BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>protected static&nbsp;java.lang.String</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/archive/crawler/frontier/AbstractFrontier.html#DEFAULT_FORCE_QUEUE">DEFAULT_FORCE_QUEUE</A></B></CODE><BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>protected static&nbsp;java.lang.Integer</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/archive/crawler/frontier/AbstractFrontier.html#DEFAULT_MAX_DELAY">DEFAULT_MAX_DELAY</A></B></CODE><BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>protected static&nbsp;java.lang.Integer</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/archive/crawler/frontier/AbstractFrontier.html#DEFAULT_MAX_HOST_BANDWIDTH_USAGE">DEFAULT_MAX_HOST_BANDWIDTH_USAGE</A></B></CODE><BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>protected static&nbsp;java.lang.Integer</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/archive/crawler/frontier/AbstractFrontier.html#DEFAULT_MAX_OVERALL_BANDWIDTH_USAGE">DEFAULT_MAX_OVERALL_BANDWIDTH_USAGE</A></B></CODE><BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>protected static&nbsp;java.lang.Integer</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/archive/crawler/frontier/AbstractFrontier.html#DEFAULT_MAX_RETRIES">DEFAULT_MAX_RETRIES</A></B></CODE><BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>protected static&nbsp;java.lang.Integer</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/archive/crawler/frontier/AbstractFrontier.html#DEFAULT_MIN_DELAY">DEFAULT_MIN_DELAY</A></B></CODE><BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>protected static&nbsp;java.lang.Boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/archive/crawler/frontier/AbstractFrontier.html#DEFAULT_PAUSE_AT_FINISH">DEFAULT_PAUSE_AT_FINISH</A></B></CODE><BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>protected static&nbsp;java.lang.Boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/archive/crawler/frontier/AbstractFrontier.html#DEFAULT_PAUSE_AT_START">DEFAULT_PAUSE_AT_START</A></B></CODE><BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>protected static&nbsp;java.lang.Integer</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/archive/crawler/frontier/AbstractFrontier.html#DEFAULT_PREFERENCE_EMBED_HOPS">DEFAULT_PREFERENCE_EMBED_HOPS</A></B></CODE><BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>protected static&nbsp;java.lang.Long</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/archive/crawler/frontier/AbstractFrontier.html#DEFAULT_RETRY_DELAY">DEFAULT_RETRY_DELAY</A></B></CODE><BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>protected static&nbsp;java.lang.Boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/archive/crawler/frontier/AbstractFrontier.html#DEFAULT_SOURCE_TAG_SEEDS">DEFAULT_SOURCE_TAG_SEEDS</A></B></CODE><BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>protected &nbsp;long</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/archive/crawler/frontier/AbstractFrontier.html#disregardedUriCount">disregardedUriCount</A></B></CODE><BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>protected &nbsp;long</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/archive/crawler/frontier/AbstractFrontier.html#failedFetchCount">failedFetchCount</A></B></CODE>

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