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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>State</TITLE><META NAME="keywords" CONTENT="JSHOP2.State class"><LINK REL ="stylesheet" TYPE="text/css" HREF="../stylesheet.css" TITLE="Style"><SCRIPT type="text/javascript">function windowTitle(){ parent.document.title="State";}</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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--><H2><FONT SIZE="-1">JSHOP2</FONT><BR>Class State</H2><PRE>java.lang.Object <IMG SRC="../resources/inherit.gif" ALT="extended by "><B>JSHOP2.State</B></PRE><HR><DL><DT><PRE>public class <B>State</B><DT>extends java.lang.Object</DL></PRE><P>This class is used to represent the current state of the world.<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 java.util.Vector<<A HREF="../JSHOP2/Term.html" title="class in JSHOP2">Term</A>>[]</CODE></FONT></TD><TD><CODE><B><A HREF="../JSHOP2/State.html#atoms">atoms</A></B></CODE><BR> The atoms in the current state of the world as an array of <code>Vector</code>s.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>private <A HREF="../JSHOP2/Axiom.html" title="class in JSHOP2">Axiom</A>[][]</CODE></FONT></TD><TD><CODE><B><A HREF="../JSHOP2/State.html#axioms">axioms</A></B></CODE><BR> The axioms in the domain description as a two-dimensional array.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>private java.util.Vector<<A HREF="../JSHOP2/NumberedPredicate.html" title="class in JSHOP2">NumberedPredicate</A>>[]</CODE></FONT></TD><TD><CODE><B><A HREF="../JSHOP2/State.html#protections">protections</A></B></CODE><BR> The protections in the current state of the world as an array of <code>Vector</code>s.</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/State.html#State(int, JSHOP2.Axiom[][])">State</A></B>(int size, <A HREF="../JSHOP2/Axiom.html" title="class in JSHOP2">Axiom</A>[][] axiomsIn)</CODE><BR> To initialize the state of the world.</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/State.html#add(JSHOP2.Predicate)">add</A></B>(<A HREF="../JSHOP2/Predicate.html" title="class in JSHOP2">Predicate</A> p)</CODE><BR> To add a predicate to the current state of the world.</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="../JSHOP2/State.html#addProtection(JSHOP2.Predicate)">addProtection</A></B>(<A HREF="../JSHOP2/Predicate.html" title="class in JSHOP2">Predicate</A> p)</CODE><BR> To protect a given predicate in the current state of the world.</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/State.html#clear()">clear</A></B>()</CODE><BR> To empty the world state.</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="../JSHOP2/State.html#del(JSHOP2.Predicate)">del</A></B>(<A HREF="../JSHOP2/Predicate.html" title="class in JSHOP2">Predicate</A> p)</CODE><BR> To delete a predicate from the current state of the world.</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="../JSHOP2/State.html#delProtection(JSHOP2.Predicate)">delProtection</A></B>(<A HREF="../JSHOP2/Predicate.html" title="class in JSHOP2">Predicate</A> p)</CODE><BR> To unprotect a given predicate.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> java.util.ArrayList<java.lang.String></CODE></FONT></TD><TD><CODE><B><A HREF="../JSHOP2/State.html#getState()">getState</A></B>()</CODE><BR> Returns an ArrayList of strings that represents the state.</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="../JSHOP2/State.html#isProtected(JSHOP2.Predicate)">isProtected</A></B>(<A HREF="../JSHOP2/Predicate.html" title="class in JSHOP2">Predicate</A> p)</CODE><BR> To check if a predicate is protected.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../JSHOP2/MyIterator.html" title="class in JSHOP2">MyIterator</A></CODE></FONT></TD><TD><CODE><B><A HREF="../JSHOP2/State.html#iterator(int)">iterator</A></B>(int head)</CODE><BR> To initialize and return the appropriate iterator when looking for ways to satisfy a given predicate.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../JSHOP2/Term.html" title="class in JSHOP2">Term</A>[]</CODE></FONT></TD><TD><CODE><B><A HREF="../JSHOP2/State.html#nextBinding(JSHOP2.Predicate, JSHOP2.MyIterator)">nextBinding</A></B>(<A HREF="../JSHOP2/Predicate.html" title="class in JSHOP2">Predicate</A> p, <A HREF="../JSHOP2/MyIterator.html" title="class in JSHOP2">MyIterator</A> me)</CODE><BR> This function returns the bindings that can satisfy a given precondition one-by-one.</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/State.html#print()">print</A></B>()</CODE><BR> This function is used to print the current state of the world.</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/State.html#undo(java.util.Vector[])">undo</A></B>(java.util.Vector[] delAdd)</CODE><BR> This function is used, in case of a backtrack, to undo the changes that were made to the current state of the world because of the backtracked decision.</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"><TH ALIGN="left"><B>Methods inherited from class java.lang.Object</B></TH></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</CODE></TD></TR></TABLE> <P><!-- ============ FIELD DETAIL =========== --><A NAME="field_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>Field Detail</B></FONT></TH></TR></TABLE><A NAME="atoms"><!-- --></A><H3>atoms</H3><PRE>private java.util.Vector<<A HREF="../JSHOP2/Term.html" title="class in JSHOP2">Term</A>>[] <B>atoms</B></PRE><DL><DD>The atoms in the current state of the world as an array of <code>Vector</code>s. The array is indexed by the possible heads (i.e., the constant symbol that comes first) of the possible predicates.<P><DL></DL></DL>?? 快捷鍵說(shuō)明
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