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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><!--NewPage--><HTML><HEAD><!-- Generated by javadoc (build 1.5.0_07) on Sun May 06 17:59:57 GMT 2007 --><TITLE>AdaptiveRevisitQueueList (Heritrix 1.12.1)</TITLE><META NAME="keywords" CONTENT="org.archive.crawler.frontier.AdaptiveRevisitQueueList class"><LINK REL ="stylesheet" TYPE="text/css" HREF="../../../../stylesheet.css" TITLE="Style"><SCRIPT type="text/javascript">function windowTitle(){ parent.document.title="AdaptiveRevisitQueueList (Heritrix 1.12.1)";}</SCRIPT><NOSCRIPT></NOSCRIPT></HEAD><BODY BGCOLOR="white" onload="windowTitle();"><!-- ========= START OF TOP NAVBAR ======= --><A NAME="navbar_top"><!-- --></A><A HREF="#skip-navbar_top" title="Skip navigation links"></A><TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0" SUMMARY=""><TR><TD COLSPAN=2 BGCOLOR="#EEEEFF" CLASS="NavBarCell1"><A NAME="navbar_top_firstrow"><!-- --></A><TABLE BORDER="0" CELLPADDING="0" CELLSPACING="3" SUMMARY=""> <TR ALIGN="center" VALIGN="top"> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../overview-summary.html"><FONT CLASS="NavBarFont1"><B>Overview</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-summary.html"><FONT CLASS="NavBarFont1"><B>Package</B></FONT></A> </TD> <TD BGCOLOR="#FFFFFF" CLASS="NavBarCell1Rev"> <FONT CLASS="NavBarFont1Rev"><B>Class</B></FONT> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="class-use/AdaptiveRevisitQueueList.html"><FONT CLASS="NavBarFont1"><B>Use</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-tree.html"><FONT CLASS="NavBarFont1"><B>Tree</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../deprecated-list.html"><FONT CLASS="NavBarFont1"><B>Deprecated</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../index-all.html"><FONT CLASS="NavBarFont1"><B>Index</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../help-doc.html"><FONT CLASS="NavBarFont1"><B>Help</B></FONT></A> </TD> </TR></TABLE></TD><TD ALIGN="right" VALIGN="top" ROWSPAN=3><EM></EM></TD></TR><TR><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../../org/archive/crawler/frontier/AdaptiveRevisitHostQueue.html" title="class in org.archive.crawler.frontier"><B>PREV CLASS</B></A> <A HREF="../../../../org/archive/crawler/frontier/AntiCalendarCostAssignmentPolicy.html" title="class in org.archive.crawler.frontier"><B>NEXT CLASS</B></A></FONT></TD><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../../index.html?org/archive/crawler/frontier/AdaptiveRevisitQueueList.html" target="_top"><B>FRAMES</B></A> <A HREF="AdaptiveRevisitQueueList.html" target="_top"><B>NO FRAMES</B></A> <SCRIPT type="text/javascript"> <!-- if(window==top) { document.writeln('<A HREF="../../../../allclasses-noframe.html"><B>All Classes</B></A>'); } //--></SCRIPT><NOSCRIPT> <A HREF="../../../../allclasses-noframe.html"><B>All Classes</B></A></NOSCRIPT></FONT></TD></TR><TR><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2"> SUMMARY: NESTED | FIELD | <A HREF="#constructor_summary">CONSTR</A> | <A HREF="#method_summary">METHOD</A></FONT></TD><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">DETAIL: FIELD | <A HREF="#constructor_detail">CONSTR</A> | <A HREF="#method_detail">METHOD</A></FONT></TD></TR></TABLE><A NAME="skip-navbar_top"></A><!-- ========= END OF TOP NAVBAR ========= --><HR><!-- ======== START OF CLASS DATA ======== --><H2><FONT SIZE="-1">org.archive.crawler.frontier</FONT><BR>Class AdaptiveRevisitQueueList</H2><PRE>java.lang.Object <IMG SRC="../../../../resources/inherit.gif" ALT="extended by "><B>org.archive.crawler.frontier.AdaptiveRevisitQueueList</B></PRE><DL><DT><B>All Implemented Interfaces:</B> <DD><A HREF="../../../../org/archive/util/Reporter.html" title="interface in org.archive.util">Reporter</A></DD></DL><HR><DL><DT><PRE>public class <B>AdaptiveRevisitQueueList</B><DT>extends java.lang.Object<DT>implements <A HREF="../../../../org/archive/util/Reporter.html" title="interface in org.archive.util">Reporter</A></DL></PRE><P>Maintains an ordered list of <A HREF="../../../../org/archive/crawler/frontier/AdaptiveRevisitHostQueue.html" title="class in org.archive.crawler.frontier"><CODE>AdaptiveRevisitHostQueue</CODE></A>s used by a Frontier. <p> The list is ordered by the <A HREF="../../../../org/archive/crawler/frontier/AdaptiveRevisitHostQueue.html#getNextReadyTime()"><CODE>AdaptiveRevisitHostQueue.getNextReadyTime()</CODE></A>, smallest value at the top of the list and then on in descending order. <p> The list will maintain a list of hostnames in a seperate DB. On creation a list will try to open the DB at a specified location. If it already exists the list will create HQs for all the hostnames in the list, discarding those that turn out to be empty. <p> Any BDB DatabaseException will be converted to an IOException by public methods. This includes preserving the original stacktrace, in favor of the one created for the IOException, so that the true source of the exception is not lost.<P><P><DL><DT><B>Author:</B></DT> <DD>Kristinn Sigurdsson</DD></DL><HR><P><!-- ======== CONSTRUCTOR SUMMARY ======== --><A NAME="constructor_summary"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"><B>Constructor Summary</B></FONT></TH></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><B><A HREF="../../../../org/archive/crawler/frontier/AdaptiveRevisitQueueList.html#AdaptiveRevisitQueueList(com.sleepycat.je.Environment, com.sleepycat.bind.serial.StoredClassCatalog)">AdaptiveRevisitQueueList</A></B>(com.sleepycat.je.Environment env, com.sleepycat.bind.serial.StoredClassCatalog catalog)</CODE><BR> </TD></TR></TABLE> <!-- ========== METHOD SUMMARY =========== --><A NAME="method_summary"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"><B>Method Summary</B></FONT></TH></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/archive/crawler/frontier/AdaptiveRevisitQueueList.html#close()">close</A></B>()</CODE><BR> Closes all HQs and the Environment.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../../../org/archive/crawler/frontier/AdaptiveRevisitHostQueue.html" title="class in org.archive.crawler.frontier">AdaptiveRevisitHostQueue</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/archive/crawler/frontier/AdaptiveRevisitQueueList.html#createHQ(java.lang.String, int)">createHQ</A></B>(java.lang.String hostName, int valence)</CODE><BR> Creates a new AdaptiveRevisitHostQueue.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> long</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/archive/crawler/frontier/AdaptiveRevisitQueueList.html#getAverageDepth()">getAverageDepth</A></B>()</CODE><BR> Returns the average depth of all the HQs in this list</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> float</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/archive/crawler/frontier/AdaptiveRevisitQueueList.html#getCongestionRatio()">getCongestionRatio</A></B>()</CODE><BR> Returns the congestion ratio.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> long</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/archive/crawler/frontier/AdaptiveRevisitQueueList.html#getDeepestQueueSize()">getDeepestQueueSize</A></B>()</CODE><BR> Returns the size of the largest (deepest) queue.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../../../org/archive/crawler/frontier/AdaptiveRevisitHostQueue.html" title="class in org.archive.crawler.frontier">AdaptiveRevisitHostQueue</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/archive/crawler/frontier/AdaptiveRevisitQueueList.html#getHQ(java.lang.String)">getHQ</A></B>(java.lang.String hostName)</CODE><BR> Get an AdaptiveRevisitHostQueue for the specified host.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> java.lang.String[]</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/archive/crawler/frontier/AdaptiveRevisitQueueList.html#getReports()">getReports</A></B>()</CODE><BR> Get an array of report names offered by this Reporter.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> long</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/archive/crawler/frontier/AdaptiveRevisitQueueList.html#getSize()">getSize</A></B>()</CODE><BR> Returns the number of URIs in all the HQs in this list</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../../../org/archive/crawler/frontier/AdaptiveRevisitHostQueue.html" title="class in org.archive.crawler.frontier">AdaptiveRevisitHostQueue</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/archive/crawler/frontier/AdaptiveRevisitQueueList.html#getTopHQ()">getTopHQ</A></B>()</CODE><BR> </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> long</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/archive/crawler/frontier/AdaptiveRevisitQueueList.html#getUriCount()">getUriCount</A></B>()</CODE><BR> The total number of URIs queued in all the HQs belonging to this list.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>protected void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/archive/crawler/frontier/AdaptiveRevisitQueueList.html#reorder(org.archive.crawler.frontier.AdaptiveRevisitHostQueue)">reorder</A></B>(<A HREF="../../../../org/archive/crawler/frontier/AdaptiveRevisitHostQueue.html" title="class in org.archive.crawler.frontier">AdaptiveRevisitHostQueue</A> hq)</CODE><BR> This method reorders the host queues.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/archive/crawler/frontier/AdaptiveRevisitQueueList.html#reportTo(java.io.PrintWriter)">reportTo</A></B>(java.io.PrintWriter writer)</CODE><BR> Make a default report to the passed-in Writer.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/archive/crawler/frontier/AdaptiveRevisitQueueList.html#reportTo(java.lang.String, java.io.PrintWriter)">reportTo</A></B>(java.lang.String name, java.io.PrintWriter writer)</CODE><BR> Make a report of the given name to the passed-in Writer, If null, give the default report.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> java.lang.String</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/archive/crawler/frontier/AdaptiveRevisitQueueList.html#singleLineLegend()">singleLineLegend</A></B>()</CODE><BR> Return a legend for the single-line summary report as a String.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> java.lang.String</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/archive/crawler/frontier/AdaptiveRevisitQueueList.html#singleLineReport()">singleLineReport</A></B>()</CODE><BR> Return a short single-line summary report as a String.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/archive/crawler/frontier/AdaptiveRevisitQueueList.html#singleLineReportTo(java.io.PrintWriter)">singleLineReportTo</A></B>(java.io.PrintWriter writer)</CODE><BR> Make a single-line summary report to the passed-in writer</TD></TR></TABLE> <A NAME="methods_inherited_from_class_java.lang.Object"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"><TH ALIGN="left"><B>Methods inherited from class java.lang.Object</B></TH></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</CODE></TD></TR></TABLE> <P><!-- ========= CONSTRUCTOR DETAIL ======== --><A NAME="constructor_detail"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2"><B>Constructor Detail</B></FONT></TH></TR></TABLE><A NAME="AdaptiveRevisitQueueList(com.sleepycat.je.Environment, com.sleepycat.bind.serial.StoredClassCatalog)"><!-- --></A><H3>AdaptiveRevisitQueueList</H3><PRE>public <B>AdaptiveRevisitQueueList</B>(com.sleepycat.je.Environment env, com.sleepycat.bind.serial.StoredClassCatalog catalog) throws java.io.IOException</PRE><DL><DL><DT><B>Throws:</B><DD><CODE>java.io.IOException</CODE></DL></DL><!-- ============ METHOD DETAIL ========== --><A NAME="method_detail"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2"><B>Method Detail</B></FONT></TH></TR></TABLE><A NAME="getHQ(java.lang.String)"><!-- --></A><H3>getHQ</H3><PRE>public <A HREF="../../../../org/archive/crawler/frontier/AdaptiveRevisitHostQueue.html" title="class in org.archive.crawler.frontier">AdaptiveRevisitHostQueue</A> <B>getHQ</B>(java.lang.String hostName)</PRE><DL><DD>Get an AdaptiveRevisitHostQueue for the specified host. <p> If one does not already exist, null is returned<P><DD><DL></DL></DD>⌨️ 快捷键说明
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