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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 Thu Jun 21 14:48:22 PDT 2007 --><TITLE>DiscussionHistory (Smack 3.0.4 Documentation)</TITLE><META NAME="keywords" CONTENT="org.jivesoftware.smackx.muc.DiscussionHistory class"><LINK REL ="stylesheet" TYPE="text/css" HREF="../../../../stylesheet.css" TITLE="Style"><SCRIPT type="text/javascript">function windowTitle(){ parent.document.title="DiscussionHistory (Smack 3.0.4 Documentation)";}</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>Smack</b></EM></TD></TR><TR><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../../org/jivesoftware/smackx/muc/DefaultUserStatusListener.html" title="class in org.jivesoftware.smackx.muc"><B>PREV CLASS</B></A> <A HREF="../../../../org/jivesoftware/smackx/muc/HostedRoom.html" title="class in org.jivesoftware.smackx.muc"><B>NEXT CLASS</B></A></FONT></TD><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../../index.html?org/jivesoftware/smackx/muc/DiscussionHistory.html" target="_top"><B>FRAMES</B></A> <A HREF="DiscussionHistory.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.jivesoftware.smackx.muc</FONT><BR>Class DiscussionHistory</H2><PRE><A HREF="http://java.sun.com/j2se/1.3/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>org.jivesoftware.smackx.muc.DiscussionHistory</B></PRE><HR><DL><DT><PRE>public class <B>DiscussionHistory</B><DT>extends <A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A></DL></PRE><P>The DiscussionHistory class controls the number of characters or messages to receive when entering a room. The room will decide the amount of history to return if you don't specify a DiscussionHistory while joining a room.<p> You can use some or all of these variable to control the amount of history to receive: <ul> <li>maxchars -> total number of characters to receive in the history. <li>maxstanzas -> total number of messages to receive in the history. <li>seconds -> only the messages received in the last "X" seconds will be included in the history. <li>since -> only the messages received since the datetime specified will be included in the history. </ul> Note: Setting maxchars to 0 indicates that the user requests to receive no history.<P><P><DL><DT><B>Author:</B></DT> <DD>Gaston Dombiak</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/jivesoftware/smackx/muc/DiscussionHistory.html#DiscussionHistory()">DiscussionHistory</A></B>()</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> int</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/jivesoftware/smackx/muc/DiscussionHistory.html#getMaxChars()">getMaxChars</A></B>()</CODE><BR> Returns the total number of characters to receive in the history.</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="../../../../org/jivesoftware/smackx/muc/DiscussionHistory.html#getMaxStanzas()">getMaxStanzas</A></B>()</CODE><BR> Returns the total number of messages to receive in the history.</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="../../../../org/jivesoftware/smackx/muc/DiscussionHistory.html#getSeconds()">getSeconds</A></B>()</CODE><BR> Returns the number of seconds to use to filter the messages received during that time.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="http://java.sun.com/j2se/1.3/docs/api/java/util/Date.html" title="class or interface in java.util">Date</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/jivesoftware/smackx/muc/DiscussionHistory.html#getSince()">getSince</A></B>()</CODE><BR> Returns the since date to use to filter the messages received during that time.</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/jivesoftware/smackx/muc/DiscussionHistory.html#setMaxChars(int)">setMaxChars</A></B>(int maxChars)</CODE><BR> Sets the total number of characters to receive in the history.</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/jivesoftware/smackx/muc/DiscussionHistory.html#setMaxStanzas(int)">setMaxStanzas</A></B>(int maxStanzas)</CODE><BR> Sets the total number of messages to receive in the history.</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/jivesoftware/smackx/muc/DiscussionHistory.html#setSeconds(int)">setSeconds</A></B>(int seconds)</CODE><BR> Sets the number of seconds to use to filter the messages received during that time.</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/jivesoftware/smackx/muc/DiscussionHistory.html#setSince(java.util.Date)">setSince</A></B>(<A HREF="http://java.sun.com/j2se/1.3/docs/api/java/util/Date.html" title="class or interface in java.util">Date</A> since)</CODE><BR> Sets the since date to use to filter the messages received during that time.</TD></TR></TABLE> <A NAME="methods_inherited_from_class_java.lang.Object"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">⌨️ 快捷键说明
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