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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 Tue Oct 16 12:57:45 EDT 2007 --><TITLE>Operator</TITLE><META NAME="keywords" CONTENT="JSHOP2.Operator class"><LINK REL ="stylesheet" TYPE="text/css" HREF="../stylesheet.css" TITLE="Style"><SCRIPT type="text/javascript">function windowTitle(){ parent.document.title="Operator";}</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 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DATA ======== --><H2><FONT SIZE="-1">JSHOP2</FONT><BR>Class Operator</H2><PRE>java.lang.Object <IMG SRC="../resources/inherit.gif" ALT="extended by "><A HREF="../JSHOP2/DomainElement.html" title="class in JSHOP2">JSHOP2.DomainElement</A> <IMG SRC="../resources/inherit.gif" ALT="extended by "><B>JSHOP2.Operator</B></PRE><HR><DL><DT><PRE>public abstract class <B>Operator</B><DT>extends <A HREF="../JSHOP2/DomainElement.html" title="class in JSHOP2">DomainElement</A></DL></PRE><P>Each operator at run time is represented as a class derived from this abstract class.<P><P><DL><DT><B>Version:</B></DT> <DD>1.0.3</DD><DT><B>Author:</B></DT> <DD>Okhtay Ilghami, <a href="http://www.cs.umd.edu/~okhtay">http://www.cs.umd.edu/~okhtay</a></DD></DL><HR><P><!-- =========== FIELD SUMMARY =========== --><A NAME="field_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>Field Summary</B></FONT></TH></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>private <A HREF="../JSHOP2/DelAddElement.html" title="class in JSHOP2">DelAddElement</A>[]</CODE></FONT></TD><TD><CODE><B><A HREF="../JSHOP2/Operator.html#add">add</A></B></CODE><BR> Represents the add list in case it is a real list and not a variable.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>private int</CODE></FONT></TD><TD><CODE><B><A HREF="../JSHOP2/Operator.html#addVarIdx">addVarIdx</A></B></CODE><BR> Represents the add list in case it is a variable (The integer value represents variable's index), otherwise it is -1.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>private <A HREF="../JSHOP2/Term.html" title="class in JSHOP2">Term</A></CODE></FONT></TD><TD><CODE><B><A HREF="../JSHOP2/Operator.html#cost">cost</A></B></CODE><BR> Cost of this operator.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>private <A HREF="../JSHOP2/DelAddElement.html" title="class in JSHOP2">DelAddElement</A>[]</CODE></FONT></TD><TD><CODE><B><A HREF="../JSHOP2/Operator.html#del">del</A></B></CODE><BR> Represents the delete list in case it is a real list and not a variable.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>private int</CODE></FONT></TD><TD><CODE><B><A HREF="../JSHOP2/Operator.html#delVarIdx">delVarIdx</A></B></CODE><BR> Represents the delete list in case it is a variable (The integer value represents variable's index), otherwise it is -1.</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><CODE><B><A HREF="../JSHOP2/Operator.html#Operator(JSHOP2.Predicate, int, int, JSHOP2.Term)">Operator</A></B>(<A HREF="../JSHOP2/Predicate.html" title="class in JSHOP2">Predicate</A> head, int delVarIdxIn, int addVarIdxIn, <A HREF="../JSHOP2/Term.html" title="class in JSHOP2">Term</A> costIn)</CODE><BR> To initialize the operator.</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="../JSHOP2/Operator.html#apply(JSHOP2.Term[], JSHOP2.State, java.util.Vector[])">apply</A></B>(<A HREF="../JSHOP2/Term.html" title="class in JSHOP2">Term</A>[] binding, <A HREF="../JSHOP2/State.html" title="class in JSHOP2">State</A> s, java.util.Vector[] delAdd)</CODE><BR> This function is used to apply this operator to a given state.</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="../JSHOP2/Operator.html#getCost(JSHOP2.Term[])">getCost</A></B>(<A HREF="../JSHOP2/Term.html" title="class in JSHOP2">Term</A>[] binding)</CODE><BR> To get the cost of this operator.</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="../JSHOP2/Operator.html#setAdd(JSHOP2.DelAddElement[])">setAdd</A></B>(<A HREF="../JSHOP2/DelAddElement.html" title="class in JSHOP2">DelAddElement</A>[] addIn)</CODE><BR> To set the add list.</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="../JSHOP2/Operator.html#setDel(JSHOP2.DelAddElement[])">setDel</A></B>(<A HREF="../JSHOP2/DelAddElement.html" title="class in JSHOP2">DelAddElement</A>[] delIn)</CODE><BR> To set the delete list.</TD></TR></TABLE> <A NAME="methods_inherited_from_class_JSHOP2.DomainElement"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"><TH ALIGN="left"><B>Methods inherited from class JSHOP2.<A HREF="../JSHOP2/DomainElement.html" title="class in JSHOP2">DomainElement</A></B></TH></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><A HREF="../JSHOP2/DomainElement.html#getHead()">getHead</A>, <A HREF="../JSHOP2/DomainElement.html#getIterator(JSHOP2.Term[], int)">getIterator</A>, <A HREF="../JSHOP2/DomainElement.html#unify(JSHOP2.Predicate)">unify</A></CODE></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">⌨️ 快捷键说明
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