abstractmemorymonitor.html
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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 Jul 31 17:20:17 EDT 2008 --><TITLE>AbstractMemoryMonitor (Mondrian OLAP Server, version 3.0.4.11371)</TITLE><META NAME="keywords" CONTENT="mondrian.util.AbstractMemoryMonitor class"><LINK REL ="stylesheet" TYPE="text/css" HREF="../../stylesheet.css" TITLE="Style"><SCRIPT type="text/javascript">function windowTitle(){ parent.document.title="AbstractMemoryMonitor (Mondrian OLAP Server, version 3.0.4.11371)";}</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></EM></TD></TR><TR><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> PREV CLASS <A HREF="../../mondrian/util/AbstractMemoryMonitor.Entry.html" title="class in mondrian.util"><B>NEXT CLASS</B></A></FONT></TD><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../index.html?mondrian/util/AbstractMemoryMonitor.html" target="_top"><B>FRAMES</B></A> <A HREF="AbstractMemoryMonitor.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: <A HREF="#nested_class_summary">NESTED</A> | 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">mondrian.util</FONT><BR>Class AbstractMemoryMonitor</H2><PRE><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html" title="class or interface in java.lang">java.lang.Object</A> <IMG SRC="../../resources/inherit.gif" ALT="extended by "><B>mondrian.util.AbstractMemoryMonitor</B></PRE><DL><DT><B>All Implemented Interfaces:</B> <DD><A HREF="../../mondrian/util/MemoryMonitor.html" title="interface in mondrian.util">MemoryMonitor</A>, <A HREF="../../mondrian/util/MemoryMonitor.Test.html" title="interface in mondrian.util">MemoryMonitor.Test</A></DD></DL><DL><DT><B>Direct Known Subclasses:</B> <DD><A HREF="../../mondrian/util/NotificationMemoryMonitor.html" title="class in mondrian.util">NotificationMemoryMonitor</A></DD></DL><HR><DL><DT><PRE>public abstract class <B>AbstractMemoryMonitor</B><DT>extends <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A><DT>implements <A HREF="../../mondrian/util/MemoryMonitor.html" title="interface in mondrian.util">MemoryMonitor</A>, <A HREF="../../mondrian/util/MemoryMonitor.Test.html" title="interface in mondrian.util">MemoryMonitor.Test</A></DL></PRE><P>Abstract implementation of <A HREF="../../mondrian/util/MemoryMonitor.html" title="interface in mondrian.util"><CODE>MemoryMonitor</CODE></A>. Base class for different memory monitoring strategies.<P><P><DL><DT><B>Since:</B></DT> <DD>Feb 03 2007</DD><DT><B>Version:</B></DT> <DD>$Id: //open/mondrian-release/3.0/src/main/mondrian/util/AbstractMemoryMonitor.java#2 $</DD><DT><B>Author:</B></DT> <DD>Richard M. Emberson</DD></DL><HR><P><!-- ======== NESTED CLASS SUMMARY ======== --><A NAME="nested_class_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>Nested Class Summary</B></FONT></TH></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>(package private) static class</CODE></FONT></TD><TD><CODE><B><A HREF="../../mondrian/util/AbstractMemoryMonitor.Entry.html" title="class in mondrian.util">AbstractMemoryMonitor.Entry</A></B></CODE><BR> Class used to associate <code>Listener</code> and threshold.</TD></TR></TABLE> <A NAME="nested_classes_inherited_from_class_mondrian.util.MemoryMonitor"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"><TH ALIGN="left"><B>Nested classes/interfaces inherited from interface mondrian.util.<A HREF="../../mondrian/util/MemoryMonitor.html" title="interface in mondrian.util">MemoryMonitor</A></B></TH></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><A HREF="../../mondrian/util/MemoryMonitor.Listener.html" title="interface in mondrian.util">MemoryMonitor.Listener</A>, <A HREF="../../mondrian/util/MemoryMonitor.Test.html" title="interface in mondrian.util">MemoryMonitor.Test</A></CODE></TD></TR></TABLE> <!-- ======== 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 ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>protected </CODE></FONT></TD><TD><CODE><B><A HREF="../../mondrian/util/AbstractMemoryMonitor.html#AbstractMemoryMonitor()">AbstractMemoryMonitor</A></B>()</CODE><BR> Constructor of this base class.</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> boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../mondrian/util/AbstractMemoryMonitor.html#addListener(mondrian.util.MemoryMonitor.Listener)">addListener</A></B>(<A HREF="../../mondrian/util/MemoryMonitor.Listener.html" title="interface in mondrian.util">MemoryMonitor.Listener</A> listener)</CODE><BR> Adds a <code>Listener</code> using the default threshold percentage.</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="../../mondrian/util/AbstractMemoryMonitor.html#addListener(mondrian.util.MemoryMonitor.Listener, int)">addListener</A></B>(<A HREF="../../mondrian/util/MemoryMonitor.Listener.html" title="interface in mondrian.util">MemoryMonitor.Listener</A> listener, int percentage)</CODE><BR> Adds a <code>Listener</code> to the <code>MemoryMonitor</code> with a given threshold percentage.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>protected long</CODE></FONT></TD><TD><CODE><B><A HREF="../../mondrian/util/AbstractMemoryMonitor.html#convertPercentageToThreshold(int)">convertPercentageToThreshold</A></B>(int percentage)</CODE><BR> Converts a percentage threshold to its corresponding memory value, ( percentage * maximum-memory / 100 ).</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>protected int</CODE></FONT></TD><TD><CODE><B><A HREF="../../mondrian/util/AbstractMemoryMonitor.html#convertThresholdToPercentage(long)">convertThresholdToPercentage</A></B>(long threshold)</CODE><BR> Converts a memory value to its percentage.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>protected long</CODE></FONT></TD><TD><CODE><B><A HREF="../../mondrian/util/AbstractMemoryMonitor.html#generateLowThreshold()">generateLowThreshold</A></B>()</CODE><BR> Returns the lowest threshold from the list of <code>Listener</code>s.</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="../../mondrian/util/AbstractMemoryMonitor.html#getDefaultThresholdPercentage()">getDefaultThresholdPercentage</A></B>()</CODE><BR> Returns the default memory notification percentage.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>protected abstract org.apache.log4j.Logger</CODE></FONT></TD><TD><CODE><B><A HREF="../../mondrian/util/AbstractMemoryMonitor.html#getLogger()">getLogger</A></B>()</CODE><BR> Returns the <code>Logger</code>.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>protected long</CODE></FONT></TD><TD><CODE><B><A HREF="../../mondrian/util/AbstractMemoryMonitor.html#getLowThreshold()">getLowThreshold</A></B>()</CODE><BR> Returns the current lowest threshold of all registered <code>Listener</code>s.</TD>⌨️ 快捷键说明
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