workqueuefrontier.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><A HREF="../../../../org/archive/crawler/framework/Frontier.FrontierGroup.html" title="interface in org.archive.crawler.framework">Frontier.FrontierGroup</A></CODE></TD>
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<B>Field Summary</B></FONT></TH>
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<CODE>static&nbsp;java.lang.String</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/archive/crawler/frontier/WorkQueueFrontier.html#ALL_NONEMPTY">ALL_NONEMPTY</A></B></CODE>

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<CODE>static&nbsp;java.lang.String</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/archive/crawler/frontier/WorkQueueFrontier.html#ALL_QUEUES">ALL_QUEUES</A></B></CODE>

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<CODE>protected &nbsp;java.util.Map</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/archive/crawler/frontier/WorkQueueFrontier.html#allQueues">allQueues</A></B></CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;All known queues.</TD>
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<CODE>protected &nbsp;<A HREF="../../../../org/archive/crawler/datamodel/UriUniqFilter.html" title="interface in org.archive.crawler.datamodel">UriUniqFilter</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/archive/crawler/frontier/WorkQueueFrontier.html#alreadyIncluded">alreadyIncluded</A></B></CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;those UURIs which are already in-process (or processed), and
     thus should not be rescheduled</TD>
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<CODE>static&nbsp;java.lang.String</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/archive/crawler/frontier/WorkQueueFrontier.html#ATTR_BALANCE_REPLENISH_AMOUNT">ATTR_BALANCE_REPLENISH_AMOUNT</A></B></CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;amount to replenish budget on each activation (duty cycle)</TD>
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<CODE>static&nbsp;java.lang.String</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/archive/crawler/frontier/WorkQueueFrontier.html#ATTR_COST_POLICY">ATTR_COST_POLICY</A></B></CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;cost assignment policy to use (by class name)</TD>
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<CODE>static&nbsp;java.lang.String</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/archive/crawler/frontier/WorkQueueFrontier.html#ATTR_ERROR_PENALTY_AMOUNT">ATTR_ERROR_PENALTY_AMOUNT</A></B></CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;whether to hold queues INACTIVE until needed for throughput</TD>
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<CODE>static&nbsp;java.lang.String</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/archive/crawler/frontier/WorkQueueFrontier.html#ATTR_HOLD_QUEUES">ATTR_HOLD_QUEUES</A></B></CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;whether to hold queues INACTIVE until needed for throughput</TD>
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<CODE>static&nbsp;java.lang.String</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/archive/crawler/frontier/WorkQueueFrontier.html#ATTR_QUEUE_TOTAL_BUDGET">ATTR_QUEUE_TOTAL_BUDGET</A></B></CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;total expenditure to allow a queue before 'retiring' it</TD>
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<CODE>static&nbsp;java.lang.String</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/archive/crawler/frontier/WorkQueueFrontier.html#ATTR_SNOOZE_DEACTIVATE_MS">ATTR_SNOOZE_DEACTIVATE_MS</A></B></CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;When a snooze target for a queue is longer than this amount, and 
 there are already ready queues, deactivate rather than snooze 
 the current queue -- so other more responsive sites get a chance
 in active rotation.</TD>
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<CODE>static&nbsp;java.lang.String</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/archive/crawler/frontier/WorkQueueFrontier.html#ATTR_TARGET_READY_QUEUES_BACKLOG">ATTR_TARGET_READY_QUEUES_BACKLOG</A></B></CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;target size of ready queues backlog</TD>
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<CODE>(package private) &nbsp;java.lang.String[]</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/archive/crawler/frontier/WorkQueueFrontier.html#AVAILABLE_COST_POLICIES">AVAILABLE_COST_POLICIES</A></B></CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;all policies available to be chosen</TD>
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<CODE>protected static&nbsp;java.lang.Integer</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/archive/crawler/frontier/WorkQueueFrontier.html#DEFAULT_BALANCE_REPLENISH_AMOUNT">DEFAULT_BALANCE_REPLENISH_AMOUNT</A></B></CODE>

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<CODE>protected static&nbsp;java.lang.String</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/archive/crawler/frontier/WorkQueueFrontier.html#DEFAULT_COST_POLICY">DEFAULT_COST_POLICY</A></B></CODE>

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<CODE>protected static&nbsp;java.lang.Integer</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/archive/crawler/frontier/WorkQueueFrontier.html#DEFAULT_ERROR_PENALTY_AMOUNT">DEFAULT_ERROR_PENALTY_AMOUNT</A></B></CODE>

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<CODE>protected static&nbsp;java.lang.Boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/archive/crawler/frontier/WorkQueueFrontier.html#DEFAULT_HOLD_QUEUES">DEFAULT_HOLD_QUEUES</A></B></CODE>

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<CODE>protected static&nbsp;java.lang.Long</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/archive/crawler/frontier/WorkQueueFrontier.html#DEFAULT_QUEUE_TOTAL_BUDGET">DEFAULT_QUEUE_TOTAL_BUDGET</A></B></CODE>

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