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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_15) on Thu Aug 28 21:12:48 PDT 2008 --><TITLE>Cacheable (Openfire 3.6.0a Javadoc)</TITLE><META NAME="keywords" CONTENT="org.jivesoftware.util.cache.Cacheable interface"><LINK REL ="stylesheet" TYPE="text/css" HREF="../../../../stylesheet.css" TITLE="Style"><SCRIPT type="text/javascript">function windowTitle(){ parent.document.title="Cacheable (Openfire 3.6.0a Javadoc)";}</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="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><b>Openfire 3.6.0a Javadoc</b></EM></TD></TR><TR><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../../org/jivesoftware/util/cache/Cache.html" title="interface in org.jivesoftware.util.cache"><B>PREV CLASS</B></A> <A HREF="../../../../org/jivesoftware/util/cache/CacheFactory.html" title="class in org.jivesoftware.util.cache"><B>NEXT CLASS</B></A></FONT></TD><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../../index.html?org/jivesoftware/util/cache/Cacheable.html" target="_top"><B>FRAMES</B></A> <A HREF="Cacheable.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 | CONSTR | <A HREF="#method_summary">METHOD</A></FONT></TD><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">DETAIL: FIELD | CONSTR | <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.jivesoftware.util.cache</FONT><BR>Interface Cacheable</H2><DL><DT><B>All Superinterfaces:</B> <DD><A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/io/Serializable.html" title="class or interface in java.io">Serializable</A></DD></DL><DL><DT><B>All Known Subinterfaces:</B> <DD><A HREF="../../../../org/jivesoftware/openfire/filetransfer/proxy/ProxyTransfer.html" title="interface in org.jivesoftware.openfire.filetransfer.proxy">ProxyTransfer</A></DD></DL><DL><DT><B>All Known Implementing Classes:</B> <DD><A HREF="../../../../org/jivesoftware/openfire/spi/ClientRoute.html" title="class in org.jivesoftware.openfire.spi">ClientRoute</A>, <A HREF="../../../../org/jivesoftware/openfire/filetransfer/proxy/DefaultProxyTransfer.html" title="class in org.jivesoftware.openfire.filetransfer.proxy">DefaultProxyTransfer</A>, <A HREF="../../../../org/jivesoftware/openfire/entitycaps/EntityCapabilities.html" title="class in org.jivesoftware.openfire.entitycaps">EntityCapabilities</A>, <A HREF="../../../../org/jivesoftware/openfire/filetransfer/FileTransfer.html" title="class in org.jivesoftware.openfire.filetransfer">FileTransfer</A>, <A HREF="../../../../org/jivesoftware/openfire/group/Group.html" title="class in org.jivesoftware.openfire.group">Group</A>, <A HREF="../../../../org/jivesoftware/openfire/lockout/LockOutFlag.html" title="class in org.jivesoftware.openfire.lockout">LockOutFlag</A>, <A HREF="../../../../org/jivesoftware/openfire/privacy/PrivacyList.html" title="class in org.jivesoftware.openfire.privacy">PrivacyList</A>, <A HREF="../../../../org/jivesoftware/openfire/server/RemoteServerConfiguration.html" title="class in org.jivesoftware.openfire.server">RemoteServerConfiguration</A>, <A HREF="../../../../org/jivesoftware/openfire/roster/Roster.html" title="class in org.jivesoftware.openfire.roster">Roster</A>, <A HREF="../../../../org/jivesoftware/openfire/roster/RosterItem.html" title="class in org.jivesoftware.openfire.roster">RosterItem</A>, <A HREF="../../../../org/jivesoftware/openfire/user/User.html" title="class in org.jivesoftware.openfire.user">User</A></DD></DL><HR><DL><DT><PRE>public interface <B>Cacheable</B><DT>extends <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/io/Serializable.html" title="class or interface in java.io">Serializable</A></DL></PRE><P>Interface that defines the necessary behavior for objects added to a Cache. Objects only need to know how big they are (in bytes). That size should be considered to be a best estimate of how much memory the Object occupies and may be based on empirical trials or dynamic calculations.<p> While the accuracy of the size calculation is important, care should be taken to minimize the computation time so that cache operations are speedy.<P><P><DL><DT><B>Author:</B></DT> <DD>Jive Software</DD><DT><B>See Also:</B><DD><A HREF="../../../../org/jivesoftware/util/cache/Cache.html" title="interface in org.jivesoftware.util.cache"><CODE>Cache</CODE></A></DL><HR><P><!-- ========== 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> int</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/jivesoftware/util/cache/Cacheable.html#getCachedSize()">getCachedSize</A></B>()</CODE><BR> Returns the approximate size of the Object in bytes.</TD></TR></TABLE> <P><!-- ============ 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="getCachedSize()"><!-- --></A><H3>getCachedSize</H3><PRE>int <B>getCachedSize</B>()</PRE><DL><DD>Returns the approximate size of the Object in bytes. The size should be considered to be a best estimate of how much memory the Object occupies and may be based on empirical trials or dynamic calculations.<p><P><DD><DL></DL></DD><DD><DL><DT><B>Returns:</B><DD>the size of the Object in bytes.</DL></DD></DL><!-- ========= END OF CLASS DATA ========= --><HR><!-- ======= START OF BOTTOM NAVBAR ====== --><A NAME="navbar_bottom"><!-- --></A><A HREF="#skip-navbar_bottom" 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_bottom_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><b>Openfire 3.6.0a Javadoc</b></EM></TD></TR><TR><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../../org/jivesoftware/util/cache/Cache.html" title="interface in org.jivesoftware.util.cache"><B>PREV CLASS</B></A> <A HREF="../../../../org/jivesoftware/util/cache/CacheFactory.html" title="class in org.jivesoftware.util.cache"><B>NEXT CLASS</B></A></FONT></TD><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../../index.html?org/jivesoftware/util/cache/Cacheable.html" target="_top"><B>FRAMES</B></A> <A HREF="Cacheable.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 | CONSTR | <A HREF="#method_summary">METHOD</A></FONT></TD><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">DETAIL: FIELD | CONSTR | <A HREF="#method_detail">METHOD</A></FONT></TD></TR></TABLE><A NAME="skip-navbar_bottom"></A><!-- ======== END OF BOTTOM NAVBAR ======= --><HR><i>Copyright © 2003-2008 Jive Software.</i></BODY></HTML>⌨️ 快捷键说明
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