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📁 SHOP2 一个人工智能里面关于任务分解和任务规划的系统。JSHOP2是其java版本。
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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>TaskList</TITLE><META NAME="keywords" CONTENT="JSHOP2.TaskList class"><LINK REL ="stylesheet" TYPE="text/css" HREF="../stylesheet.css" TITLE="Style"><SCRIPT type="text/javascript">function windowTitle(){    parent.document.title="TaskList";}</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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CLASS</B></A>&nbsp;&nbsp;<A HREF="../JSHOP2/Term.html" title="class in JSHOP2"><B>NEXT CLASS</B></A></FONT></TD><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2">  <A HREF="../index.html?JSHOP2/TaskList.html" target="_top"><B>FRAMES</B></A>  &nbsp;&nbsp;<A HREF="TaskList.html" target="_top"><B>NO FRAMES</B></A>  &nbsp;&nbsp;<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:&nbsp;NESTED&nbsp;|&nbsp;<A HREF="#field_summary">FIELD</A>&nbsp;|&nbsp;<A HREF="#constructor_summary">CONSTR</A>&nbsp;|&nbsp;<A HREF="#method_summary">METHOD</A></FONT></TD><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">DETAIL:&nbsp;<A HREF="#field_detail">FIELD</A>&nbsp;|&nbsp;<A HREF="#constructor_detail">CONSTR</A>&nbsp;|&nbsp;<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">JSHOP2</FONT><BR>Class TaskList</H2><PRE>java.lang.Object  <IMG SRC="../resources/inherit.gif" ALT="extended by "><A HREF="../JSHOP2/CompileTimeObject.html" title="class in JSHOP2">JSHOP2.CompileTimeObject</A>      <IMG SRC="../resources/inherit.gif" ALT="extended by "><B>JSHOP2.TaskList</B></PRE><HR><DL><DT><PRE>public class <B>TaskList</B><DT>extends <A HREF="../JSHOP2/CompileTimeObject.html" title="class in JSHOP2">CompileTimeObject</A></DL></PRE><P>Each task list, both at compile time and at run time, is an instance of  this 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>static&nbsp;<A HREF="../JSHOP2/TaskList.html" title="class in JSHOP2">TaskList</A></CODE></FONT></TD><TD><CODE><B><A HREF="../JSHOP2/TaskList.html#empty">empty</A></B></CODE><BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;This variable represents an empty task list.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>private &nbsp;boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../JSHOP2/TaskList.html#ordered">ordered</A></B></CODE><BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Whether or not this is an ordered task list.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>&nbsp;<A HREF="../JSHOP2/TaskList.html" title="class in JSHOP2">TaskList</A>[]</CODE></FONT></TD><TD><CODE><B><A HREF="../JSHOP2/TaskList.html#subtasks">subtasks</A></B></CODE><BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;In case this task list is not-atomic, this array represents it.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>private &nbsp;<A HREF="../JSHOP2/TaskAtom.html" title="class in JSHOP2">TaskAtom</A></CODE></FONT></TD><TD><CODE><B><A HREF="../JSHOP2/TaskList.html#task">task</A></B></CODE><BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;In case this task list is atomic, this variable represents it.</TD></TR></TABLE>&nbsp;<A NAME="fields_inherited_from_class_JSHOP2.CompileTimeObject"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"><TH ALIGN="left"><B>Fields inherited from class JSHOP2.<A HREF="../JSHOP2/CompileTimeObject.html" title="class in JSHOP2">CompileTimeObject</A></B></TH></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><A HREF="../JSHOP2/CompileTimeObject.html#endl">endl</A></CODE></TD></TR></TABLE>&nbsp;<!-- ======== 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>private </CODE></FONT></TD><TD><CODE><B><A HREF="../JSHOP2/TaskList.html#TaskList()">TaskList</A></B>()</CODE><BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;To initialize this task list as an empty one (i.e., an ordered non-atomic  task list of length 0).</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>&nbsp;</CODE></FONT></TD><TD><CODE><B><A HREF="../JSHOP2/TaskList.html#TaskList(int, boolean)">TaskList</A></B>(int&nbsp;size,         boolean&nbsp;orderedIn)</CODE><BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;To initialize this task list as a non-atomic one.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>&nbsp;</CODE></FONT></TD><TD><CODE><B><A HREF="../JSHOP2/TaskList.html#TaskList(JSHOP2.TaskAtom)">TaskList</A></B>(<A HREF="../JSHOP2/TaskAtom.html" title="class in JSHOP2">TaskAtom</A>&nbsp;taskIn)</CODE><BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;To initialize this task list as an atomic one.</TD></TR></TABLE>&nbsp;<!-- ========== 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>&nbsp;<A HREF="../JSHOP2/TaskList.html" title="class in JSHOP2">TaskList</A></CODE></FONT></TD><TD><CODE><B><A HREF="../JSHOP2/TaskList.html#bind(JSHOP2.Term[])">bind</A></B>(<A HREF="../JSHOP2/Term.html" title="class in JSHOP2">Term</A>[]&nbsp;binding)</CODE><BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;To bind a task list to a given binding.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>&nbsp;<A HREF="../JSHOP2/TaskList.html" title="class in JSHOP2">TaskList</A></CODE></FONT></TD><TD><CODE><B><A HREF="../JSHOP2/TaskList.html#clone()">clone</A></B>()</CODE><BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;This clone function was added so that TaskLists can be copied and passed to JSHOP2GUI.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static&nbsp;<A HREF="../JSHOP2/TaskList.html" title="class in JSHOP2">TaskList</A></CODE></FONT></TD><TD><CODE><B><A HREF="../JSHOP2/TaskList.html#createTaskList(java.util.Vector, boolean)">createTaskList</A></B>(java.util.Vector&lt;<A HREF="../JSHOP2/TaskList.html" title="class in JSHOP2">TaskList</A>&gt;&nbsp;subtasksIn,               boolean&nbsp;orderedIn)</CODE><BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;To create a non-atomic task list.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>&nbsp;void</CODE></FONT></TD><TD><CODE><B><A HREF="../JSHOP2/TaskList.html#getChildren(java.util.ArrayList)">getChildren</A></B>(java.util.ArrayList&lt;java.lang.String&gt;&nbsp;childrenList)</CODE><BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns an ArrayList of strings that represent the children of this compound task.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>&nbsp;java.util.LinkedList&lt;<A HREF="../JSHOP2/TaskList.html" title="class in JSHOP2">TaskList</A>&gt;</CODE></FONT></TD><TD><CODE><B><A HREF="../JSHOP2/TaskList.html#getFirst()">getFirst</A></B>()</CODE><BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;To return a <code>LinkedList</code> of the task atoms we have the option  to achieve right now.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>private &nbsp;boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../JSHOP2/TaskList.html#getFirstHelper(java.util.LinkedList)">getFirstHelper</A></B>(java.util.LinkedList&lt;<A HREF="../JSHOP2/TaskList.html" title="class in JSHOP2">TaskList</A>&gt;&nbsp;res)</CODE><BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The helper function to calculate a <code>LinkedList</code> of the task  atoms we have the option to achieve right now.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>&nbsp;java.lang.String</CODE></FONT></TD><TD><CODE><B><A HREF="../JSHOP2/TaskList.html#getInitCode(java.lang.String)">getInitCode</A></B>(java.lang.String&nbsp;what)</CODE><BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;This function produces Java code used to create this task list either  as an atomic task list or recursively, as a list of other task lists.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>&nbsp;<A HREF="../JSHOP2/TaskList.html" title="class in JSHOP2">TaskList</A>[]</CODE></FONT></TD><TD><CODE><B><A HREF="../JSHOP2/TaskList.html#getSubtasks()">getSubtasks</A></B>()</CODE><BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns the task list's subtasks</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>&nbsp;<A HREF="../JSHOP2/TaskAtom.html" title="class in JSHOP2">TaskAtom</A></CODE></FONT></TD><TD><CODE><B><A HREF="../JSHOP2/TaskList.html#getTask()">getTask</A></B>()</CODE><BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;To return the task atom associated with this task list.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>&nbsp;boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../JSHOP2/TaskList.html#isEmpty()">isEmpty</A></B>()</CODE><BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Whether or not this task list is, or has become as result of task  decomposition, an empty one.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>&nbsp;boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../JSHOP2/TaskList.html#isOrdered()">isOrdered</A></B>()</CODE><BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns whether or not this is an ordered task list &lt;Added 5/14/06&gt;</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>&nbsp;void</CODE></FONT></TD><TD><CODE><B><A HREF="../JSHOP2/TaskList.html#print()">print</A></B>()</CODE><BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;This function is used to print this task list.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>&nbsp;void</CODE></FONT></TD><TD><CODE><B><A HREF="../JSHOP2/TaskList.html#replace(JSHOP2.TaskList)">replace</A></B>(<A HREF="../JSHOP2/TaskList.html" title="class in JSHOP2">TaskList</A>&nbsp;tasksIn)</CODE><BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;This function replaces (i.e., decomposes) a given task atom with a task  list.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>&nbsp;void</CODE></FONT></TD><TD><CODE><B><A HREF="../JSHOP2/TaskList.html#setVarCount(int)">setVarCount</A></B>(int&nbsp;varCountIn)</CODE><BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;This function sets the number of variables for this task list.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>&nbsp;java.lang.String</CODE></FONT></TD><TD><CODE><B><A HREF="../JSHOP2/TaskList.html#toCode()">toCode</A></B>()</CODE><BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;This function produces Java code to create this task list.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>&nbsp;java.lang.String</CODE></FONT></TD><TD><CODE><B><A HREF="../JSHOP2/TaskList.html#toString()">toString</A></B>()</CODE><BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;This function returns a printable <code>String</code> representation of  this task list.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>&nbsp;void</CODE></FONT></TD><TD><CODE><B><A HREF="../JSHOP2/TaskList.html#undo()">undo</A></B>()</CODE><BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;This function undoes the decomposition of a task atom to a task list  in case of a backtrack over the decision to decompose the task.</TD></TR></TABLE>&nbsp;<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>equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait</CODE></TD></TR></TABLE>&nbsp;<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="empty"><!-- --></A><H3>empty</H3><PRE>public static <A HREF="../JSHOP2/TaskList.html" title="class in JSHOP2">TaskList</A> <B>empty</B></PRE><DL><DD>This variable represents an empty task list. All over the code, whenever  any object needs an empty task list, it will use this variable rather  than create a new empty task list to save memory because functionally  all the empty task lists are the same.<P><DL></DL></DL><HR><A NAME="ordered"><!-- --></A><H3>ordered</H3><PRE>private boolean <B>ordered</B></PRE><DL><DD>Whether or not this is an ordered task list.<P><DL></DL></DL><HR><A NAME="subtasks"><!-- --></A><H3>subtasks</H3><PRE>public <A HREF="../JSHOP2/TaskList.html" title="class in JSHOP2">TaskList</A>[] <B>subtasks</B></PRE>

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