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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 1.4.2_06) on Wed Oct 26 05:17:04 CEST 2005 --><TITLE>Cache</TITLE><META NAME="keywords" CONTENT="broker.Cache class"><LINK REL ="stylesheet" TYPE="text/css" HREF="../stylesheet.css" TITLE="Style"><SCRIPT type="text/javascript">function windowTitle(){ parent.document.title="Cache";}</SCRIPT></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=3 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="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="../broker/Broker.html" title="class in broker"><B>PREV CLASS</B></A> <A HREF="../broker/CacheFullException.html" title="class in broker"><B>NEXT CLASS</B></A></FONT></TD><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../index.html" target="_top"><B>FRAMES</B></A> <A HREF="Cache.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">broker</FONT><BR>Class Cache</H2><PRE>java.lang.Object <IMG SRC="../resources/inherit.gif" ALT="extended by"><B>broker.Cache</B></PRE><HR><DL><DT>public class <B>Cache</B><DT>extends java.lang.Object</DL><P><HR><P><!-- ======== NESTED CLASS SUMMARY ======== --><!-- =========== FIELD SUMMARY =========== --><!-- ======== CONSTRUCTOR SUMMARY ======== --><A NAME="constructor_summary"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TD COLSPAN=2><FONT SIZE="+2"><B>Constructor Summary</B></FONT></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><B><A HREF="../broker/Cache.html#Cache(int)">Cache</A></B>(int cacheSize)</CODE><BR> Creates a new cache of the given size.</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"><TD COLSPAN=2><FONT SIZE="+2"><B>Method Summary</B></FONT></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="../broker/Cache.html#add(com.Notification)">add</A></B>(<A HREF="../com/Notification.html" title="class in com">Notification</A> notification)</CODE><BR> Stores the notification ID.</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="../broker/Cache.html#clear()">clear</A></B>()</CODE><BR> </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../broker/Cache.html#contains(com.Notification)">contains</A></B>(<A HREF="../com/Notification.html" title="class in com">Notification</A> notification)</CODE><BR> </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> double</CODE></FONT></TD><TD><CODE><B><A HREF="../broker/Cache.html#countHits(broker.BloomFilter)">countHits</A></B>(<A HREF="../broker/BloomFilter.html" title="class in broker">BloomFilter</A> bloomFilter)</CODE><BR> Counts the common elements of the cache and the Bloom filter.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> double</CODE></FONT></TD><TD><CODE><B><A HREF="../broker/Cache.html#countHits(broker.Cache)">countHits</A></B>(<A HREF="../broker/Cache.html" title="class in broker">Cache</A> c)</CODE><BR> Determines the number of equal cache entries.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../broker/BloomFilter.html" title="class in broker">BloomFilter</A></CODE></FONT></TD><TD><CODE><B><A HREF="../broker/Cache.html#getBloomFilter(int, int)">getBloomFilter</A></B>(int capacity, int numberOfHashs)</CODE><BR> Returns a Bloom filter containing all cache elements, which have been added since the previous Bloom filter was returned.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> int</CODE></FONT></TD><TD><CODE><B><A HREF="../broker/Cache.html#getFillState()">getFillState</A></B>()</CODE><BR> </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"><TD><B>Methods inherited from class java.lang.Object</B></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</CODE></TD></TR></TABLE> <P><!-- ============ FIELD DETAIL =========== --><!-- ========= CONSTRUCTOR DETAIL ======== --><A NAME="constructor_detail"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TD COLSPAN=1><FONT SIZE="+2"><B>Constructor Detail</B></FONT></TD></TR></TABLE><A NAME="Cache(int)"><!-- --></A><H3>Cache</H3><PRE>public <B>Cache</B>(int cacheSize)</PRE><DL><DD>Creates a new cache of the given size.<P><DT><B>Parameters:</B><DD><CODE>cacheSize</CODE> - the cache's size.</DL><!-- ============ METHOD DETAIL ========== --><A NAME="method_detail"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TD COLSPAN=1><FONT SIZE="+2"><B>Method Detail</B></FONT></TD></TR></TABLE><A NAME="add(com.Notification)"><!-- --></A><H3>add</H3><PRE>public void <B>add</B>(<A HREF="../com/Notification.html" title="class in com">Notification</A> notification)</PRE><DL><DD>Stores the notification ID.<P><DD><DL><DT><B>Parameters:</B><DD><CODE>notification</CODE> - the notification.</DL></DD></DL><HR><A NAME="contains(com.Notification)"><!-- --></A><H3>contains</H3><PRE>public boolean <B>contains</B>(<A HREF="../com/Notification.html" title="class in com">Notification</A> notification)</PRE><DL><DD><DL></DL></DD></DL><HR><A NAME="getBloomFilter(int, int)"><!-- --></A><H3>getBloomFilter</H3><PRE>public <A HREF="../broker/BloomFilter.html" title="class in broker">BloomFilter</A> <B>getBloomFilter</B>(int capacity, int numberOfHashs)</PRE><DL><DD>Returns a Bloom filter containing all cache elements, which have been added since the previous Bloom filter was returned.<P><DD><DL><DT><B>Parameters:</B><DD><CODE>numberOfHashs</CODE> - the number of used hash functions.<DT><B>Returns:</B><DD>a Bloom filter containing the last added elements.</DL></DD></DL><HR><A NAME="countHits(broker.BloomFilter)"><!-- --></A><H3>countHits</H3><PRE>public double <B>countHits</B>(<A HREF="../broker/BloomFilter.html" title="class in broker">BloomFilter</A> bloomFilter)</PRE><DL><DD>Counts the common elements of the cache and the Bloom filter.<P><DD><DL><DT><B>Parameters:</B><DD><CODE>bloomFilter</CODE> - the specified Bloom filter.<DT><B>Returns:</B><DD>the number of common elements.</DL></DD></DL><HR><A NAME="countHits(broker.Cache)"><!-- --></A><H3>countHits</H3><PRE>public double <B>countHits</B>(<A HREF="../broker/Cache.html" title="class in broker">Cache</A> c)</PRE><DL><DD>Determines the number of equal cache entries.<P><DD><DL><DT><B>Parameters:</B><DD><CODE>c</CODE> - another cache.<DT><B>Returns:</B><DD>the number of equal cache entries.</DL></DD></DL><HR><A NAME="clear()"><!-- --></A><H3>clear</H3><PRE>public void <B>clear</B>()</PRE><DL><DD><DL></DL></DD></DL><HR><A NAME="getFillState()"><!-- --></A><H3>getFillState</H3><PRE>public int <B>getFillState</B>()</PRE><DL><DD><DL></DL></DD></DL><!-- ========= END OF CLASS DATA ========= --><HR><!-- ======= 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