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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0//EN"><!--NewPage--><HTML><HEAD><!-- Generated by javadoc on Tue Nov 30 14:11:21 MST 2004 --><TITLE>Swarm 2.2 Reference Guide: Interface ActivityControl</TITLE><LINK REL ="stylesheet" TYPE="text/css" HREF="../../stylesheet.css" TITLE="Style"></HEAD><BODY BGCOLOR="white"><!-- ========== START OF NAVBAR ========== --><A NAME="navbar_top"><!-- --></A><TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0"><TR><TD COLSPAN=2 BGCOLOR="#EEEEFF" CLASS="NavBarCell1"><A NAME="navbar_top_firstrow"><!-- --></A><TABLE BORDER="0" CELLPADDING="0" CELLSPACING="3"> <TR ALIGN="center" VALIGN="top"> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../overview-summary.html"><FONT ID="NavBarFont1"><B>Overview</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-summary.html"><FONT ID="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 ID="NavBarFont1"><B>Tree</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../deprecated-list.html"><FONT ID="NavBarFont1"><B>Deprecated</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../index-files/index-1.html"><FONT ID="NavBarFont1"><B>Index</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../help-doc.html"><FONT ID="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="../../swarm/objectbase/ActivityControlC.html"><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="ActivityControl.html" TARGET="_top"><B>NO FRAMES</B></A></FONT></TD></TR><TR><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2"> SUMMARY: INNER | 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><!-- =========== END OF NAVBAR =========== --><HR><!-- ======== START OF CLASS DATA ======== --><H2><FONT SIZE="-1">swarm.objectbase</FONT><BR>Interface ActivityControl</H2><DL><DT><B>All Known Implementing Classes:</B> <DD><A HREF="../../swarm/objectbase/ActivityControlImpl.html">ActivityControlImpl</A></DD></DL><HR><DL><DT>public interface <B>ActivityControl</B><DT>extends <A HREF="../../swarm/objectbase/SwarmObject.html">SwarmObject</A>, <A HREF="../../swarm/objectbase/SwarmObjectS.html">SwarmObjectS</A></DL><P><strong> A class that provides an object interface to an activity.</strong>.The ActivityControl class specifies an object that can be attached to an activity (regardless of how or where that activity is created) for the purpose of explicitly controlling the execution of actions on that activity's action plan. There is nothing that available through this class that is not already available through the variables or messages available via the activity itself. However, it packages up the main control messages and makes them available to other objects that may need control over an activity, thereby shielding the activity from directly receiving messages from outside objects and saving the user from having to parse the more complex interface to the activity.<P><HR><P><!-- ======== INNER CLASS SUMMARY ======== --><!-- =========== FIELD SUMMARY =========== --><!-- ======== CONSTRUCTOR SUMMARY ======== --><!-- ========== METHOD SUMMARY =========== --><A NAME="method_summary"><!-- --></A><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><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="../../swarm/objectbase/ActivityControl.html#attachToActivity(swarm.activity.ScheduleActivity)">attachToActivity</A></B>(<A HREF="../../swarm/activity/ScheduleActivity.html">ScheduleActivity</A> anActivity)</CODE><BR> The attachToActivity: method sets an instance variable inside the ActivityControl object that points to the Activity to be controlled.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../swarm/activity/ScheduleActivity.html">ScheduleActivity</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../swarm/objectbase/ActivityControl.html#getActivity()">getActivity</A></B>()</CODE><BR> Return the controlled activity.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../swarm/defobj/Symbol.html">Symbol</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../swarm/objectbase/ActivityControl.html#getStatus()">getStatus</A></B>()</CODE><BR> The getStatus method returns the status of the activity.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../swarm/defobj/Symbol.html">Symbol</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../swarm/objectbase/ActivityControl.html#nextAction()">nextAction</A></B>()</CODE><BR> The next method sends a next message to the activity if the conditions are appropriate.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../swarm/defobj/Symbol.html">Symbol</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../swarm/objectbase/ActivityControl.html#runActivity()">runActivity</A></B>()</CODE><BR> The run method sends a run message to the activity if the conditions are appropriate.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../swarm/defobj/Symbol.html">Symbol</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../swarm/objectbase/ActivityControl.html#stepAction()">stepAction</A></B>()</CODE><BR> The step method sends a step message to the activity if the conditions are appropriate.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../swarm/defobj/Symbol.html">Symbol</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../swarm/objectbase/ActivityControl.html#stepUntil(int)">stepUntil</A></B>(int stopTime)</CODE><BR> The stepUntil: method sends a stepUntil: message to the activity if conditions are appropriate.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../swarm/defobj/Symbol.html">Symbol</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../swarm/objectbase/ActivityControl.html#stopActivity()">stopActivity</A></B>()</CODE><BR> The stop method sends a stop message to the activity if the conditions are appropriate.</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="../../swarm/objectbase/ActivityControl.html#terminate()">terminate</A></B>()</CODE><BR> Recursively removes all subactivities.</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="../../swarm/objectbase/ActivityControl.html#updateStateVar()">updateStateVar</A></B>()</CODE><BR> The updateStateVar method updates the ActivityControl instance variables and tests for the continued existence of the activity that is being controlled.</TD></TR></TABLE> <A NAME="methods_inherited_from_class_swarm.objectbase.SwarmObject"><!-- --></A><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"><TD><B>Methods inherited from interface swarm.objectbase.<A HREF="../../swarm/objectbase/SwarmObject.html">SwarmObject</A></B></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><A HREF="../../swarm/objectbase/SwarmObject.html#getCompleteProbeMap()">getCompleteProbeMap</A>, <A HREF="../../swarm/objectbase/SwarmObject.html#getProbeForMessage(java.lang.String)">getProbeForMessage</A>, <A HREF="../../swarm/objectbase/SwarmObject.html#getProbeForVariable(java.lang.String)">getProbeForVariable</A>, <A HREF="../../swarm/objectbase/SwarmObject.html#getProbeMap()">getProbeMap</A></CODE></TD></TR></TABLE> <A NAME="methods_inherited_from_class_swarm.defobj.Drop"><!-- --></A><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"><TD><B>Methods inherited from interface swarm.defobj.<A HREF="../../swarm/defobj/Drop.html">Drop</A></B></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><A HREF="../../swarm/defobj/Drop.html#drop()">drop</A></CODE></TD></TR></TABLE> <A NAME="methods_inherited_from_class_swarm.defobj.DefinedObject"><!-- --></A><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"><TD><B>Methods inherited from interface swarm.defobj.<A HREF="../../swarm/defobj/DefinedObject.html">DefinedObject</A></B></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><A HREF="../../swarm/defobj/DefinedObject.html#compare(java.lang.Object)">compare</A>, <A HREF="../../swarm/defobj/DefinedObject.html#describe(java.lang.Object)">describe</A>, ⌨️ 快捷键说明
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