Google Git
Sign in
apache / xalan-site / 1b0c6dd5447f3bc951dcdd0e155aae8fc8efd4de / . / xalan-j / apidocs / org / apache / xpath / operations / Operation.html
blob: e7dfb29b57415bc8821c49684b99dd55a12555b3 [file] [log] [blame]
<!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_18) on Sun Apr 01 21:18:44 PDT 2012 -->
<TITLE>
Operation
</TITLE>
<META NAME="keywords" CONTENT="org.apache.xpath.operations.Operation class">
<LINK REL ="stylesheet" TYPE="text/css" HREF="../../../../stylesheet.css" TITLE="Style">
<SCRIPT type="text/javascript">
function windowTitle()
{
parent.document.title="Operation";
}
</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>&nbsp;</TD>
<TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-summary.html"><FONT CLASS="NavBarFont1"><B>Package</B></FONT></A>&nbsp;</TD>
<TD BGCOLOR="#FFFFFF" CLASS="NavBarCell1Rev"> &nbsp;<FONT CLASS="NavBarFont1Rev"><B>Class</B></FONT>&nbsp;</TD>
<TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="class-use/Operation.html"><FONT CLASS="NavBarFont1"><B>Use</B></FONT></A>&nbsp;</TD>
<TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-tree.html"><FONT CLASS="NavBarFont1"><B>Tree</B></FONT></A>&nbsp;</TD>
<TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../deprecated-list.html"><FONT CLASS="NavBarFont1"><B>Deprecated</B></FONT></A>&nbsp;</TD>
<TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../index-all.html"><FONT CLASS="NavBarFont1"><B>Index</B></FONT></A>&nbsp;</TD>
<TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../help-doc.html"><FONT CLASS="NavBarFont1"><B>Help</B></FONT></A>&nbsp;</TD>
</TR>
</TABLE>
</TD>
<TD ALIGN="right" VALIGN="top" ROWSPAN=3><EM>
</EM>
</TD>
</TR>
<TR>
<TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2">
&nbsp;<A HREF="../../../../org/apache/xpath/operations/Number.html" title="class in org.apache.xpath.operations"><B>PREV CLASS</B></A>&nbsp;
&nbsp;<A HREF="../../../../org/apache/xpath/operations/Operation.LeftExprOwner.html" title="class in org.apache.xpath.operations"><B>NEXT CLASS</B></A></FONT></TD>
<TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2">
<A HREF="../../../../index.html?org/apache/xpath/operations/Operation.html" target="_top"><B>FRAMES</B></A> &nbsp;
&nbsp;<A HREF="Operation.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;<A HREF="#nested_class_summary">NESTED</A>&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">
org.apache.xpath.operations</FONT>
<BR>
Class Operation</H2>
<PRE>
java.lang.Object
<IMG SRC="../../../../resources/inherit.gif" ALT="extended by "><A HREF="../../../../org/apache/xpath/Expression.html" title="class in org.apache.xpath">org.apache.xpath.Expression</A>
<IMG SRC="../../../../resources/inherit.gif" ALT="extended by "><B>org.apache.xpath.operations.Operation</B>
</PRE>
<DL>
<DT><B>All Implemented Interfaces:</B> <DD>java.io.Serializable, javax.xml.transform.SourceLocator, <A HREF="../../../../org/apache/xpath/ExpressionNode.html" title="interface in org.apache.xpath">ExpressionNode</A>, <A HREF="../../../../org/apache/xpath/ExpressionOwner.html" title="interface in org.apache.xpath">ExpressionOwner</A>, <A HREF="../../../../org/apache/xpath/XPathVisitable.html" title="interface in org.apache.xpath">XPathVisitable</A></DD>
</DL>
<DL>
<DT><B>Direct Known Subclasses:</B> <DD><A HREF="../../../../org/apache/xpath/operations/And.html" title="class in org.apache.xpath.operations">And</A>, <A HREF="../../../../org/apache/xpath/operations/Div.html" title="class in org.apache.xpath.operations">Div</A>, <A HREF="../../../../org/apache/xpath/operations/Equals.html" title="class in org.apache.xpath.operations">Equals</A>, <A HREF="../../../../org/apache/xpath/operations/Gt.html" title="class in org.apache.xpath.operations">Gt</A>, <A HREF="../../../../org/apache/xpath/operations/Gte.html" title="class in org.apache.xpath.operations">Gte</A>, <A HREF="../../../../org/apache/xpath/operations/Lt.html" title="class in org.apache.xpath.operations">Lt</A>, <A HREF="../../../../org/apache/xpath/operations/Lte.html" title="class in org.apache.xpath.operations">Lte</A>, <A HREF="../../../../org/apache/xpath/operations/Minus.html" title="class in org.apache.xpath.operations">Minus</A>, <A HREF="../../../../org/apache/xpath/operations/Mod.html" title="class in org.apache.xpath.operations">Mod</A>, <A HREF="../../../../org/apache/xpath/operations/Mult.html" title="class in org.apache.xpath.operations">Mult</A>, <A HREF="../../../../org/apache/xpath/operations/NotEquals.html" title="class in org.apache.xpath.operations">NotEquals</A>, <A HREF="../../../../org/apache/xpath/operations/Or.html" title="class in org.apache.xpath.operations">Or</A>, <A HREF="../../../../org/apache/xpath/operations/Plus.html" title="class in org.apache.xpath.operations">Plus</A>, <A HREF="../../../../org/apache/xpath/operations/Quo.html" title="class in org.apache.xpath.operations">Quo</A></DD>
</DL>
<HR>
<DL>
<DT><PRE>public class <A HREF="../../../../src-html/org/apache/xpath/operations/Operation.html#line.32"><B>Operation</B></A><DT>extends <A HREF="../../../../org/apache/xpath/Expression.html" title="class in org.apache.xpath">Expression</A><DT>implements <A HREF="../../../../org/apache/xpath/ExpressionOwner.html" title="interface in org.apache.xpath">ExpressionOwner</A></DL>
</PRE>
<P>
The baseclass for a binary operation.
<P>
<P>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../../../serialized-form.html#org.apache.xpath.operations.Operation">Serialized Form</A></DL>
<HR>
<P>
<!-- ======== NESTED CLASS SUMMARY ======== -->
<A NAME="nested_class_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>Nested Class Summary</B></FONT></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>(package private) &nbsp;class</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/xpath/operations/Operation.LeftExprOwner.html" title="class in org.apache.xpath.operations">Operation.LeftExprOwner</A></B></CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
</TR>
</TABLE>
&nbsp;<!-- =========== 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>protected &nbsp;<A HREF="../../../../org/apache/xpath/Expression.html" title="class in org.apache.xpath">Expression</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/xpath/operations/Operation.html#m_left">m_left</A></B></CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The left operand expression.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>protected &nbsp;<A HREF="../../../../org/apache/xpath/Expression.html" title="class in org.apache.xpath">Expression</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/xpath/operations/Operation.html#m_right">m_right</A></B></CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The right operand expression.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>(package private) static&nbsp;long</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/xpath/operations/Operation.html#serialVersionUID">serialVersionUID</A></B></CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</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><CODE><B><A HREF="../../../../org/apache/xpath/operations/Operation.html#Operation()">Operation</A></B>()</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</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;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/xpath/operations/Operation.html#callVisitors(org.apache.xpath.ExpressionOwner, org.apache.xpath.XPathVisitor)">callVisitors</A></B>(<A HREF="../../../../org/apache/xpath/ExpressionOwner.html" title="interface in org.apache.xpath">ExpressionOwner</A>&nbsp;owner,
<A HREF="../../../../org/apache/xpath/XPathVisitor.html" title="class in org.apache.xpath">XPathVisitor</A>&nbsp;visitor)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;This will traverse the heararchy, calling the visitor for
each member.</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="../../../../org/apache/xpath/operations/Operation.html#canTraverseOutsideSubtree()">canTraverseOutsideSubtree</A></B>()</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Tell if this expression or it's subexpressions can traverse outside
the current subtree.</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="../../../../org/apache/xpath/operations/Operation.html#deepEquals(org.apache.xpath.Expression)">deepEquals</A></B>(<A HREF="../../../../org/apache/xpath/Expression.html" title="class in org.apache.xpath">Expression</A>&nbsp;expr)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Compare this object with another object and see
if they are equal, include the sub heararchy.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<A HREF="../../../../org/apache/xpath/objects/XObject.html" title="class in org.apache.xpath.objects">XObject</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/xpath/operations/Operation.html#execute(org.apache.xpath.XPathContext)">execute</A></B>(<A HREF="../../../../org/apache/xpath/XPathContext.html" title="class in org.apache.xpath">XPathContext</A>&nbsp;xctxt)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Execute a binary operation by calling execute on each of the operands,
and then calling the operate method on the derived class.</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="../../../../org/apache/xpath/operations/Operation.html#fixupVariables(java.util.Vector, int)">fixupVariables</A></B>(java.util.Vector&nbsp;vars,
int&nbsp;globalsSize)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;This function is used to fixup variables from QNames to stack frame
indexes at stylesheet build time.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<A HREF="../../../../org/apache/xpath/Expression.html" title="class in org.apache.xpath">Expression</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/xpath/operations/Operation.html#getExpression()">getExpression</A></B>()</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Get the raw Expression object that this class wraps.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<A HREF="../../../../org/apache/xpath/Expression.html" title="class in org.apache.xpath">Expression</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/xpath/operations/Operation.html#getLeftOperand()">getLeftOperand</A></B>()</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<A HREF="../../../../org/apache/xpath/Expression.html" title="class in org.apache.xpath">Expression</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/xpath/operations/Operation.html#getRightOperand()">getRightOperand</A></B>()</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<A HREF="../../../../org/apache/xpath/objects/XObject.html" title="class in org.apache.xpath.objects">XObject</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/xpath/operations/Operation.html#operate(org.apache.xpath.objects.XObject, org.apache.xpath.objects.XObject)">operate</A></B>(<A HREF="../../../../org/apache/xpath/objects/XObject.html" title="class in org.apache.xpath.objects">XObject</A>&nbsp;left,
<A HREF="../../../../org/apache/xpath/objects/XObject.html" title="class in org.apache.xpath.objects">XObject</A>&nbsp;right)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Apply the operation to two operands, and return the result.</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="../../../../org/apache/xpath/operations/Operation.html#setExpression(org.apache.xpath.Expression)">setExpression</A></B>(<A HREF="../../../../org/apache/xpath/Expression.html" title="class in org.apache.xpath">Expression</A>&nbsp;exp)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Set the raw expression object for this object.</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="../../../../org/apache/xpath/operations/Operation.html#setLeftRight(org.apache.xpath.Expression, org.apache.xpath.Expression)">setLeftRight</A></B>(<A HREF="../../../../org/apache/xpath/Expression.html" title="class in org.apache.xpath">Expression</A>&nbsp;l,
<A HREF="../../../../org/apache/xpath/Expression.html" title="class in org.apache.xpath">Expression</A>&nbsp;r)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Set the left and right operand expressions for this operation.</TD>
</TR>
</TABLE>
&nbsp;<A NAME="methods_inherited_from_class_org.apache.xpath.Expression"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TH ALIGN="left"><B>Methods inherited from class org.apache.xpath.<A HREF="../../../../org/apache/xpath/Expression.html" title="class in org.apache.xpath">Expression</A></B></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="../../../../org/apache/xpath/Expression.html#asIterator(org.apache.xpath.XPathContext, int)">asIterator</A>, <A HREF="../../../../org/apache/xpath/Expression.html#asIteratorRaw(org.apache.xpath.XPathContext, int)">asIteratorRaw</A>, <A HREF="../../../../org/apache/xpath/Expression.html#asNode(org.apache.xpath.XPathContext)">asNode</A>, <A HREF="../../../../org/apache/xpath/Expression.html#assertion(boolean, java.lang.String)">assertion</A>, <A HREF="../../../../org/apache/xpath/Expression.html#bool(org.apache.xpath.XPathContext)">bool</A>, <A HREF="../../../../org/apache/xpath/Expression.html#error(org.apache.xpath.XPathContext, java.lang.String, java.lang.Object[])">error</A>, <A HREF="../../../../org/apache/xpath/Expression.html#execute(org.apache.xpath.XPathContext, boolean)">execute</A>, <A HREF="../../../../org/apache/xpath/Expression.html#execute(org.apache.xpath.XPathContext, int)">execute</A>, <A HREF="../../../../org/apache/xpath/Expression.html#execute(org.apache.xpath.XPathContext, int, org.apache.xml.dtm.DTM, int)">execute</A>, <A HREF="../../../../org/apache/xpath/Expression.html#executeCharsToContentHandler(org.apache.xpath.XPathContext, org.xml.sax.ContentHandler)">executeCharsToContentHandler</A>, <A HREF="../../../../org/apache/xpath/Expression.html#exprAddChild(org.apache.xpath.ExpressionNode, int)">exprAddChild</A>, <A HREF="../../../../org/apache/xpath/Expression.html#exprGetChild(int)">exprGetChild</A>, <A HREF="../../../../org/apache/xpath/Expression.html#exprGetNumChildren()">exprGetNumChildren</A>, <A HREF="../../../../org/apache/xpath/Expression.html#exprGetParent()">exprGetParent</A>, <A HREF="../../../../org/apache/xpath/Expression.html#exprSetParent(org.apache.xpath.ExpressionNode)">exprSetParent</A>, <A HREF="../../../../org/apache/xpath/Expression.html#getColumnNumber()">getColumnNumber</A>, <A HREF="../../../../org/apache/xpath/Expression.html#getExpressionOwner()">getExpressionOwner</A>, <A HREF="../../../../org/apache/xpath/Expression.html#getLineNumber()">getLineNumber</A>, <A HREF="../../../../org/apache/xpath/Expression.html#getPublicId()">getPublicId</A>, <A HREF="../../../../org/apache/xpath/Expression.html#getSystemId()">getSystemId</A>, <A HREF="../../../../org/apache/xpath/Expression.html#isNodesetExpr()">isNodesetExpr</A>, <A HREF="../../../../org/apache/xpath/Expression.html#isSameClass(org.apache.xpath.Expression)">isSameClass</A>, <A HREF="../../../../org/apache/xpath/Expression.html#isStableNumber()">isStableNumber</A>, <A HREF="../../../../org/apache/xpath/Expression.html#num(org.apache.xpath.XPathContext)">num</A>, <A HREF="../../../../org/apache/xpath/Expression.html#warn(org.apache.xpath.XPathContext, java.lang.String, java.lang.Object[])">warn</A>, <A HREF="../../../../org/apache/xpath/Expression.html#xstr(org.apache.xpath.XPathContext)">xstr</A></CODE></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>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, 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="serialVersionUID"><!-- --></A><H3>
serialVersionUID</H3>
<PRE>
static final long <A HREF="../../../../src-html/org/apache/xpath/operations/Operation.html#line.34"><B>serialVersionUID</B></A></PRE>
<DL>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../../../constant-values.html#org.apache.xpath.operations.Operation.serialVersionUID">Constant Field Values</A></DL>
</DL>
<HR>
<A NAME="m_left"><!-- --></A><H3>
m_left</H3>
<PRE>
protected <A HREF="../../../../org/apache/xpath/Expression.html" title="class in org.apache.xpath">Expression</A> <A HREF="../../../../src-html/org/apache/xpath/operations/Operation.html#line.38"><B>m_left</B></A></PRE>
<DL>
<DD>The left operand expression.
<P>
<DL>
</DL>
</DL>
<HR>
<A NAME="m_right"><!-- --></A><H3>
m_right</H3>
<PRE>
protected <A HREF="../../../../org/apache/xpath/Expression.html" title="class in org.apache.xpath">Expression</A> <A HREF="../../../../src-html/org/apache/xpath/operations/Operation.html#line.42"><B>m_right</B></A></PRE>
<DL>
<DD>The right operand expression.
<P>
<DL>
</DL>
</DL>
<!-- ========= CONSTRUCTOR DETAIL ======== -->
<A NAME="constructor_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>Constructor Detail</B></FONT></TH>
</TR>
</TABLE>
<A NAME="Operation()"><!-- --></A><H3>
Operation</H3>
<PRE>
public <A HREF="../../../../src-html/org/apache/xpath/operations/Operation.html#line.32"><B>Operation</B></A>()</PRE>
<DL>
</DL>
<!-- ============ METHOD DETAIL ========== -->
<A NAME="method_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>Method Detail</B></FONT></TH>
</TR>
</TABLE>
<A NAME="fixupVariables(java.util.Vector, int)"><!-- --></A><H3>
fixupVariables</H3>
<PRE>
public void <A HREF="../../../../src-html/org/apache/xpath/operations/Operation.html#line.54"><B>fixupVariables</B></A>(java.util.Vector&nbsp;vars,
int&nbsp;globalsSize)</PRE>
<DL>
<DD>This function is used to fixup variables from QNames to stack frame
indexes at stylesheet build time.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/apache/xpath/Expression.html#fixupVariables(java.util.Vector, int)">fixupVariables</A></CODE> in class <CODE><A HREF="../../../../org/apache/xpath/Expression.html" title="class in org.apache.xpath">Expression</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>vars</CODE> - List of QNames that correspond to variables. This list
should be searched backwards for the first qualified name that
corresponds to the variable reference qname. The position of the
QName in the vector from the start of the vector will be its position
in the stack frame (but variables above the globalsTop value will need
to be offset to the current stack frame).</DL>
</DD>
</DL>
<HR>
<A NAME="canTraverseOutsideSubtree()"><!-- --></A><H3>
canTraverseOutsideSubtree</H3>
<PRE>
public boolean <A HREF="../../../../src-html/org/apache/xpath/operations/Operation.html#line.67"><B>canTraverseOutsideSubtree</B></A>()</PRE>
<DL>
<DD>Tell if this expression or it's subexpressions can traverse outside
the current subtree.
<P>
<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../../../org/apache/xpath/Expression.html#canTraverseOutsideSubtree()">canTraverseOutsideSubtree</A></CODE> in class <CODE><A HREF="../../../../org/apache/xpath/Expression.html" title="class in org.apache.xpath">Expression</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>true if traversal outside the context node's subtree can occur.</DL>
</DD>
</DL>
<HR>
<A NAME="setLeftRight(org.apache.xpath.Expression, org.apache.xpath.Expression)"><!-- --></A><H3>
setLeftRight</H3>
<PRE>
public void <A HREF="../../../../src-html/org/apache/xpath/operations/Operation.html#line.86"><B>setLeftRight</B></A>(<A HREF="../../../../org/apache/xpath/Expression.html" title="class in org.apache.xpath">Expression</A>&nbsp;l,
<A HREF="../../../../org/apache/xpath/Expression.html" title="class in org.apache.xpath">Expression</A>&nbsp;r)</PRE>
<DL>
<DD>Set the left and right operand expressions for this operation.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>l</CODE> - The left expression operand.<DD><CODE>r</CODE> - The right expression operand.</DL>
</DD>
</DL>
<HR>
<A NAME="execute(org.apache.xpath.XPathContext)"><!-- --></A><H3>
execute</H3>
<PRE>
public <A HREF="../../../../org/apache/xpath/objects/XObject.html" title="class in org.apache.xpath.objects">XObject</A> <A HREF="../../../../src-html/org/apache/xpath/operations/Operation.html#line.105"><B>execute</B></A>(<A HREF="../../../../org/apache/xpath/XPathContext.html" title="class in org.apache.xpath">XPathContext</A>&nbsp;xctxt)
throws javax.xml.transform.TransformerException</PRE>
<DL>
<DD>Execute a binary operation by calling execute on each of the operands,
and then calling the operate method on the derived class.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/apache/xpath/Expression.html#execute(org.apache.xpath.XPathContext)">execute</A></CODE> in class <CODE><A HREF="../../../../org/apache/xpath/Expression.html" title="class in org.apache.xpath">Expression</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>xctxt</CODE> - The runtime execution context.
<DT><B>Returns:</B><DD>The XObject result of the operation.
<DT><B>Throws:</B>
<DD><CODE>javax.xml.transform.TransformerException</CODE></DL>
</DD>
</DL>
<HR>
<A NAME="operate(org.apache.xpath.objects.XObject, org.apache.xpath.objects.XObject)"><!-- --></A><H3>
operate</H3>
<PRE>
public <A HREF="../../../../org/apache/xpath/objects/XObject.html" title="class in org.apache.xpath.objects">XObject</A> <A HREF="../../../../src-html/org/apache/xpath/operations/Operation.html#line.129"><B>operate</B></A>(<A HREF="../../../../org/apache/xpath/objects/XObject.html" title="class in org.apache.xpath.objects">XObject</A>&nbsp;left,
<A HREF="../../../../org/apache/xpath/objects/XObject.html" title="class in org.apache.xpath.objects">XObject</A>&nbsp;right)
throws javax.xml.transform.TransformerException</PRE>
<DL>
<DD>Apply the operation to two operands, and return the result.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>left</CODE> - non-null reference to the evaluated left operand.<DD><CODE>right</CODE> - non-null reference to the evaluated right operand.
<DT><B>Returns:</B><DD>non-null reference to the XObject that represents the result of the operation.
<DT><B>Throws:</B>
<DD><CODE>javax.xml.transform.TransformerException</CODE></DL>
</DD>
</DL>
<HR>
<A NAME="getLeftOperand()"><!-- --></A><H3>
getLeftOperand</H3>
<PRE>
public <A HREF="../../../../org/apache/xpath/Expression.html" title="class in org.apache.xpath">Expression</A> <A HREF="../../../../src-html/org/apache/xpath/operations/Operation.html#line.137"><B>getLeftOperand</B></A>()</PRE>
<DL>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>the left operand of binary operation, as an Expression.</DL>
</DD>
</DL>
<HR>
<A NAME="getRightOperand()"><!-- --></A><H3>
getRightOperand</H3>
<PRE>
public <A HREF="../../../../org/apache/xpath/Expression.html" title="class in org.apache.xpath">Expression</A> <A HREF="../../../../src-html/org/apache/xpath/operations/Operation.html#line.143"><B>getRightOperand</B></A>()</PRE>
<DL>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>the right operand of binary operation, as an Expression.</DL>
</DD>
</DL>
<HR>
<A NAME="callVisitors(org.apache.xpath.ExpressionOwner, org.apache.xpath.XPathVisitor)"><!-- --></A><H3>
callVisitors</H3>
<PRE>
public void <A HREF="../../../../src-html/org/apache/xpath/operations/Operation.html#line.170"><B>callVisitors</B></A>(<A HREF="../../../../org/apache/xpath/ExpressionOwner.html" title="interface in org.apache.xpath">ExpressionOwner</A>&nbsp;owner,
<A HREF="../../../../org/apache/xpath/XPathVisitor.html" title="class in org.apache.xpath">XPathVisitor</A>&nbsp;visitor)</PRE>
<DL>
<DD><B>Description copied from interface: <CODE><A HREF="../../../../org/apache/xpath/XPathVisitable.html#callVisitors(org.apache.xpath.ExpressionOwner, org.apache.xpath.XPathVisitor)">XPathVisitable</A></CODE></B></DD>
<DD>This will traverse the heararchy, calling the visitor for
each member. If the called visitor method returns
false, the subtree should not be called.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/apache/xpath/XPathVisitable.html#callVisitors(org.apache.xpath.ExpressionOwner, org.apache.xpath.XPathVisitor)">callVisitors</A></CODE> in interface <CODE><A HREF="../../../../org/apache/xpath/XPathVisitable.html" title="interface in org.apache.xpath">XPathVisitable</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>owner</CODE> - The owner of the visitor, where that path may be
rewritten if needed.<DD><CODE>visitor</CODE> - The visitor whose appropriate method will be called.<DT><B>See Also:</B><DD><A HREF="../../../../org/apache/xpath/XPathVisitable.html#callVisitors(org.apache.xpath.ExpressionOwner, org.apache.xpath.XPathVisitor)"><CODE>XPathVisitable.callVisitors(ExpressionOwner, XPathVisitor)</CODE></A></DL>
</DD>
</DL>
<HR>
<A NAME="getExpression()"><!-- --></A><H3>
getExpression</H3>
<PRE>
public <A HREF="../../../../org/apache/xpath/Expression.html" title="class in org.apache.xpath">Expression</A> <A HREF="../../../../src-html/org/apache/xpath/operations/Operation.html#line.182"><B>getExpression</B></A>()</PRE>
<DL>
<DD><B>Description copied from interface: <CODE><A HREF="../../../../org/apache/xpath/ExpressionOwner.html#getExpression()">ExpressionOwner</A></CODE></B></DD>
<DD>Get the raw Expression object that this class wraps.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/apache/xpath/ExpressionOwner.html#getExpression()">getExpression</A></CODE> in interface <CODE><A HREF="../../../../org/apache/xpath/ExpressionOwner.html" title="interface in org.apache.xpath">ExpressionOwner</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>the raw Expression object, which should not normally be null.<DT><B>See Also:</B><DD><A HREF="../../../../org/apache/xpath/ExpressionOwner.html#getExpression()"><CODE>ExpressionOwner.getExpression()</CODE></A></DL>
</DD>
</DL>
<HR>
<A NAME="setExpression(org.apache.xpath.Expression)"><!-- --></A><H3>
setExpression</H3>
<PRE>
public void <A HREF="../../../../src-html/org/apache/xpath/operations/Operation.html#line.190"><B>setExpression</B></A>(<A HREF="../../../../org/apache/xpath/Expression.html" title="class in org.apache.xpath">Expression</A>&nbsp;exp)</PRE>
<DL>
<DD><B>Description copied from interface: <CODE><A HREF="../../../../org/apache/xpath/ExpressionOwner.html#setExpression(org.apache.xpath.Expression)">ExpressionOwner</A></CODE></B></DD>
<DD>Set the raw expression object for this object.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/apache/xpath/ExpressionOwner.html#setExpression(org.apache.xpath.Expression)">setExpression</A></CODE> in interface <CODE><A HREF="../../../../org/apache/xpath/ExpressionOwner.html" title="interface in org.apache.xpath">ExpressionOwner</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>exp</CODE> - the raw Expression object, which should not normally be null.<DT><B>See Also:</B><DD><A HREF="../../../../org/apache/xpath/ExpressionOwner.html#setExpression(org.apache.xpath.Expression)"><CODE>ExpressionOwner.setExpression(Expression)</CODE></A></DL>
</DD>
</DL>
<HR>
<A NAME="deepEquals(org.apache.xpath.Expression)"><!-- --></A><H3>
deepEquals</H3>
<PRE>
public boolean <A HREF="../../../../src-html/org/apache/xpath/operations/Operation.html#line.199"><B>deepEquals</B></A>(<A HREF="../../../../org/apache/xpath/Expression.html" title="class in org.apache.xpath">Expression</A>&nbsp;expr)</PRE>
<DL>
<DD><B>Description copied from class: <CODE><A HREF="../../../../org/apache/xpath/Expression.html#deepEquals(org.apache.xpath.Expression)">Expression</A></CODE></B></DD>
<DD>Compare this object with another object and see
if they are equal, include the sub heararchy.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/apache/xpath/Expression.html#deepEquals(org.apache.xpath.Expression)">deepEquals</A></CODE> in class <CODE><A HREF="../../../../org/apache/xpath/Expression.html" title="class in org.apache.xpath">Expression</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>expr</CODE> - Another expression object.
<DT><B>Returns:</B><DD>true if this objects class and the expr
object's class are the same, and the data contained
within both objects are considered equal.<DT><B>See Also:</B><DD><A HREF="../../../../org/apache/xpath/Expression.html#deepEquals(org.apache.xpath.Expression)"><CODE>Expression.deepEquals(Expression)</CODE></A></DL>
</DD>
</DL>
<!-- ========= END OF CLASS DATA ========= -->
<HR>
<!-- ======= START OF BOTTOM NAVBAR ====== -->
<A NAME="navbar_bottom"><!-- --></A>
<A HREF="#skip-navbar_bottom" 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_bottom_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>&nbsp;</TD>
<TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-summary.html"><FONT CLASS="NavBarFont1"><B>Package</B></FONT></A>&nbsp;</TD>
<TD BGCOLOR="#FFFFFF" CLASS="NavBarCell1Rev"> &nbsp;<FONT CLASS="NavBarFont1Rev"><B>Class</B></FONT>&nbsp;</TD>
<TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="class-use/Operation.html"><FONT CLASS="NavBarFont1"><B>Use</B></FONT></A>&nbsp;</TD>
<TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-tree.html"><FONT CLASS="NavBarFont1"><B>Tree</B></FONT></A>&nbsp;</TD>
<TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../deprecated-list.html"><FONT CLASS="NavBarFont1"><B>Deprecated</B></FONT></A>&nbsp;</TD>
<TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../index-all.html"><FONT CLASS="NavBarFont1"><B>Index</B></FONT></A>&nbsp;</TD>
<TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../help-doc.html"><FONT CLASS="NavBarFont1"><B>Help</B></FONT></A>&nbsp;</TD>
</TR>
</TABLE>
</TD>
<TD ALIGN="right" VALIGN="top" ROWSPAN=3><EM>
</EM>
</TD>
</TR>
<TR>
<TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2">
&nbsp;<A HREF="../../../../org/apache/xpath/operations/Number.html" title="class in org.apache.xpath.operations"><B>PREV CLASS</B></A>&nbsp;
&nbsp;<A HREF="../../../../org/apache/xpath/operations/Operation.LeftExprOwner.html" title="class in org.apache.xpath.operations"><B>NEXT CLASS</B></A></FONT></TD>
<TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2">
<A HREF="../../../../index.html?org/apache/xpath/operations/Operation.html" target="_top"><B>FRAMES</B></A> &nbsp;
&nbsp;<A HREF="Operation.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;<A HREF="#nested_class_summary">NESTED</A>&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_bottom"></A>
<!-- ======== END OF BOTTOM NAVBAR ======= -->
<HR>
</BODY>
</HTML>