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 <FONT SIZE="-1">
 org.apache.xpath.axes</FONT>
 <BR>
 Class UnionPathIterator</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 "><A HREF="../../../../org/apache/xpath/patterns/NodeTest.html" title="class in org.apache.xpath.patterns">org.apache.xpath.patterns.NodeTest</A>
           <IMG SRC="../../../../resources/inherit.gif" ALT="extended by "><A HREF="../../../../org/apache/xpath/axes/PredicatedNodeTest.html" title="class in org.apache.xpath.axes">org.apache.xpath.axes.PredicatedNodeTest</A>
               <IMG SRC="../../../../resources/inherit.gif" ALT="extended by "><A HREF="../../../../org/apache/xpath/axes/LocPathIterator.html" title="class in org.apache.xpath.axes">org.apache.xpath.axes.LocPathIterator</A>
                   <IMG SRC="../../../../resources/inherit.gif" ALT="extended by "><B>org.apache.xpath.axes.UnionPathIterator</B>
 </PRE>
 <DL>
 <DT><B>All Implemented Interfaces:</B> <DD>java.io.Serializable, java.lang.Cloneable, javax.xml.transform.SourceLocator, <A HREF="../../../../org/apache/xml/dtm/DTMIterator.html" title="interface in org.apache.xml.dtm">DTMIterator</A>, <A HREF="../../../../org/apache/xpath/axes/PathComponent.html" title="interface in org.apache.xpath.axes">PathComponent</A>, <A HREF="../../../../org/apache/xpath/axes/SubContextList.html" title="interface in org.apache.xpath.axes">SubContextList</A>, <A HREF="../../../../org/apache/xpath/ExpressionNode.html" title="interface in org.apache.xpath">ExpressionNode</A>, <A HREF="../../../../org/apache/xpath/XPathVisitable.html" title="interface in org.apache.xpath">XPathVisitable</A></DD>
 </DL>
 <HR>
 <DL>
 <DT><PRE>public class <A HREF="../../../../src-html/org/apache/xpath/axes/UnionPathIterator.html#line.41"><B>UnionPathIterator</B></A><DT>extends <A HREF="../../../../org/apache/xpath/axes/LocPathIterator.html" title="class in org.apache.xpath.axes">LocPathIterator</A><DT>implements java.lang.Cloneable, <A HREF="../../../../org/apache/xml/dtm/DTMIterator.html" title="interface in org.apache.xml.dtm">DTMIterator</A>, java.io.Serializable, <A HREF="../../../../org/apache/xpath/axes/PathComponent.html" title="interface in org.apache.xpath.axes">PathComponent</A></DL>
 </PRE>

 <P>
 This class extends NodeSetDTM, which implements DTMIterator,
  and fetches nodes one at a time in document order based on a XPath
  <a href="http://www.w3.org/TR/xpath#NT-UnionExpr">UnionExpr</a>.
  As each node is iterated via nextNode(), the node is also stored
  in the NodeVector, so that previousNode() can easily be done.
 <P>

 <P>
 <DL>
 <DT><B>See Also:</B><DD><A HREF="../../../../serialized-form.html#org.apache.xpath.axes.UnionPathIterator">Serialized Form</A></DL>
 <HR>

 <P>
 <!-- ======== NESTED CLASS SUMMARY ======== -->

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 <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/axes/UnionPathIterator.iterOwner.html" title="class in org.apache.xpath.axes">UnionPathIterator.iterOwner</A></B></CODE>

 <BR>
 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
 </TR>
 </TABLE>
 &nbsp;<A NAME="nested_classes_inherited_from_class_org.apache.xpath.axes.PredicatedNodeTest"><!-- --></A>
 <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
 <TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
 <TH ALIGN="left"><B>Nested classes/interfaces inherited from class org.apache.xpath.axes.<A HREF="../../../../org/apache/xpath/axes/PredicatedNodeTest.html" title="class in org.apache.xpath.axes">PredicatedNodeTest</A></B></TH>
 </TR>
 <TR BGCOLOR="white" CLASS="TableRowColor">
 <TD><CODE><A HREF="../../../../org/apache/xpath/axes/PredicatedNodeTest.PredOwner.html" title="class in org.apache.xpath.axes">PredicatedNodeTest.PredOwner</A></CODE></TD>
 </TR>
 </TABLE>
 &nbsp;
 <!-- =========== FIELD SUMMARY =========== -->

 <A NAME="field_summary"><!-- --></A>
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 <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/axes/LocPathIterator.html" title="class in org.apache.xpath.axes">LocPathIterator</A>[]</CODE></FONT></TD>
 <TD><CODE><B><A HREF="../../../../org/apache/xpath/axes/UnionPathIterator.html#m_exprs">m_exprs</A></B></CODE>

 <BR>
 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The location path iterators, one for each
  <a href="http://www.w3.org/TR/xpath#NT-LocationPath">location
  path</a> contained in the union 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/xml/dtm/DTMIterator.html" title="interface in org.apache.xml.dtm">DTMIterator</A>[]</CODE></FONT></TD>
 <TD><CODE><B><A HREF="../../../../org/apache/xpath/axes/UnionPathIterator.html#m_iterators">m_iterators</A></B></CODE>

 <BR>
 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The location path iterators, one for each
  <a href="http://www.w3.org/TR/xpath#NT-LocationPath">location
  path</a> contained in the union 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/axes/UnionPathIterator.html#serialVersionUID">serialVersionUID</A></B></CODE>

 <BR>
 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
 </TR>
 </TABLE>
 &nbsp;<A NAME="fields_inherited_from_class_org.apache.xpath.axes.LocPathIterator"><!-- --></A>
 <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
 <TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
 <TH ALIGN="left"><B>Fields inherited from class org.apache.xpath.axes.<A HREF="../../../../org/apache/xpath/axes/LocPathIterator.html" title="class in org.apache.xpath.axes">LocPathIterator</A></B></TH>
 </TR>
 <TR BGCOLOR="white" CLASS="TableRowColor">
 <TD><CODE><A HREF="../../../../org/apache/xpath/axes/LocPathIterator.html#m_allowDetach">m_allowDetach</A>, <A HREF="../../../../org/apache/xpath/axes/LocPathIterator.html#m_cdtm">m_cdtm</A>, <A HREF="../../../../org/apache/xpath/axes/LocPathIterator.html#m_clones">m_clones</A>, <A HREF="../../../../org/apache/xpath/axes/LocPathIterator.html#m_context">m_context</A>, <A HREF="../../../../org/apache/xpath/axes/LocPathIterator.html#m_currentContextNode">m_currentContextNode</A>, <A HREF="../../../../org/apache/xpath/axes/LocPathIterator.html#m_execContext">m_execContext</A>, <A HREF="../../../../org/apache/xpath/axes/LocPathIterator.html#m_lastFetched">m_lastFetched</A>, <A HREF="../../../../org/apache/xpath/axes/LocPathIterator.html#m_length">m_length</A>, <A HREF="../../../../org/apache/xpath/axes/LocPathIterator.html#m_pos">m_pos</A>, <A HREF="../../../../org/apache/xpath/axes/LocPathIterator.html#m_stackFrame">m_stackFrame</A></CODE></TD>
 </TR>
 </TABLE>
 &nbsp;<A NAME="fields_inherited_from_class_org.apache.xpath.axes.PredicatedNodeTest"><!-- --></A>
 <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
 <TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
 <TH ALIGN="left"><B>Fields inherited from class org.apache.xpath.axes.<A HREF="../../../../org/apache/xpath/axes/PredicatedNodeTest.html" title="class in org.apache.xpath.axes">PredicatedNodeTest</A></B></TH>
 </TR>
 <TR BGCOLOR="white" CLASS="TableRowColor">
 <TD><CODE><A HREF="../../../../org/apache/xpath/axes/PredicatedNodeTest.html#DEBUG_PREDICATECOUNTING">DEBUG_PREDICATECOUNTING</A>, <A HREF="../../../../org/apache/xpath/axes/PredicatedNodeTest.html#m_foundLast">m_foundLast</A>, <A HREF="../../../../org/apache/xpath/axes/PredicatedNodeTest.html#m_lpi">m_lpi</A>, <A HREF="../../../../org/apache/xpath/axes/PredicatedNodeTest.html#m_predCount">m_predCount</A>, <A HREF="../../../../org/apache/xpath/axes/PredicatedNodeTest.html#m_predicateIndex">m_predicateIndex</A>, <A HREF="../../../../org/apache/xpath/axes/PredicatedNodeTest.html#m_proximityPositions">m_proximityPositions</A></CODE></TD>
 </TR>
 </TABLE>
 &nbsp;<A NAME="fields_inherited_from_class_org.apache.xpath.patterns.NodeTest"><!-- --></A>
 <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
 <TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
 <TH ALIGN="left"><B>Fields inherited from class org.apache.xpath.patterns.<A HREF="../../../../org/apache/xpath/patterns/NodeTest.html" title="class in org.apache.xpath.patterns">NodeTest</A></B></TH>
 </TR>
 <TR BGCOLOR="white" CLASS="TableRowColor">
 <TD><CODE><A HREF="../../../../org/apache/xpath/patterns/NodeTest.html#m_name">m_name</A>, <A HREF="../../../../org/apache/xpath/patterns/NodeTest.html#m_whatToShow">m_whatToShow</A>, <A HREF="../../../../org/apache/xpath/patterns/NodeTest.html#SCORE_NODETEST">SCORE_NODETEST</A>, <A HREF="../../../../org/apache/xpath/patterns/NodeTest.html#SCORE_NONE">SCORE_NONE</A>, <A HREF="../../../../org/apache/xpath/patterns/NodeTest.html#SCORE_NSWILD">SCORE_NSWILD</A>, <A HREF="../../../../org/apache/xpath/patterns/NodeTest.html#SCORE_OTHER">SCORE_OTHER</A>, <A HREF="../../../../org/apache/xpath/patterns/NodeTest.html#SCORE_QNAME">SCORE_QNAME</A>, <A HREF="../../../../org/apache/xpath/patterns/NodeTest.html#SHOW_BYFUNCTION">SHOW_BYFUNCTION</A>, <A HREF="../../../../org/apache/xpath/patterns/NodeTest.html#SUPPORTS_PRE_STRIPPING">SUPPORTS_PRE_STRIPPING</A>, <A HREF="../../../../org/apache/xpath/patterns/NodeTest.html#WILD">WILD</A></CODE></TD>
 </TR>
 </TABLE>
 &nbsp;<A NAME="fields_inherited_from_class_org.apache.xml.dtm.DTMIterator"><!-- --></A>
 <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
 <TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
 <TH ALIGN="left"><B>Fields inherited from interface org.apache.xml.dtm.<A HREF="../../../../org/apache/xml/dtm/DTMIterator.html" title="interface in org.apache.xml.dtm">DTMIterator</A></B></TH>
 </TR>
 <TR BGCOLOR="white" CLASS="TableRowColor">
 <TD><CODE><A HREF="../../../../org/apache/xml/dtm/DTMIterator.html#FILTER_ACCEPT">FILTER_ACCEPT</A>, <A HREF="../../../../org/apache/xml/dtm/DTMIterator.html#FILTER_REJECT">FILTER_REJECT</A>, <A HREF="../../../../org/apache/xml/dtm/DTMIterator.html#FILTER_SKIP">FILTER_SKIP</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><CODE><B><A HREF="../../../../org/apache/xpath/axes/UnionPathIterator.html#UnionPathIterator()">UnionPathIterator</A></B>()</CODE>

 <BR>
 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Constructor to create an instance which you can add location paths to.</TD>
 </TR>
 <TR BGCOLOR="white" CLASS="TableRowColor">
 <TD><CODE><B><A HREF="../../../../org/apache/xpath/axes/UnionPathIterator.html#UnionPathIterator(org.apache.xpath.compiler.Compiler, int)">UnionPathIterator</A></B>(<A HREF="../../../../org/apache/xpath/compiler/Compiler.html" title="class in org.apache.xpath.compiler">Compiler</A>&nbsp;compiler,
                                    int&nbsp;opPos)</CODE>

 <BR>
 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Create a UnionPathIterator object, including creation
  of location path iterators from the opcode list, and call back
  into the Compiler to create predicate expressions.</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/axes/UnionPathIterator.html#addIterator(org.apache.xml.dtm.DTMIterator)">addIterator</A></B>(<A HREF="../../../../org/apache/xml/dtm/DTMIterator.html" title="interface in org.apache.xml.dtm">DTMIterator</A>&nbsp;expr)</CODE>

 <BR>
 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Add an iterator to the union 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="../../../../org/apache/xpath/axes/UnionPathIterator.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;java.lang.Object</CODE></FONT></TD>
 <TD><CODE><B><A HREF="../../../../org/apache/xpath/axes/UnionPathIterator.html#clone()">clone</A></B>()</CODE>

 <BR>
 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Get a cloned LocPathIterator that holds the same
  position as this iterator.</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/axes/LocPathIterator.html" title="class in org.apache.xpath.axes">LocPathIterator</A></CODE></FONT></TD>
 <TD><CODE><B><A HREF="../../../../org/apache/xpath/axes/UnionPathIterator.html#createDTMIterator(org.apache.xpath.compiler.Compiler, int)">createDTMIterator</A></B>(<A HREF="../../../../org/apache/xpath/compiler/Compiler.html" title="class in org.apache.xpath.compiler">Compiler</A>&nbsp;compiler,
                                    int&nbsp;opPos)</CODE>

 <BR>
 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Create a new location path iterator.</TD>
 </TR>
 <TR BGCOLOR="white" CLASS="TableRowColor">
 <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
 <CODE>static&nbsp;<A HREF="../../../../org/apache/xpath/axes/LocPathIterator.html" title="class in org.apache.xpath.axes">LocPathIterator</A></CODE></FONT></TD>
 <TD><CODE><B><A HREF="../../../../org/apache/xpath/axes/UnionPathIterator.html#createUnionIterator(org.apache.xpath.compiler.Compiler, int)">createUnionIterator</A></B>(<A HREF="../../../../org/apache/xpath/compiler/Compiler.html" title="class in org.apache.xpath.compiler">Compiler</A>&nbsp;compiler,
                                        int&nbsp;opPos)</CODE>

 <BR>
 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;This will return an iterator capable of handling the union of paths given.</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/axes/UnionPathIterator.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;void</CODE></FONT></TD>
 <TD><CODE><B><A HREF="../../../../org/apache/xpath/axes/UnionPathIterator.html#detach()">detach</A></B>()</CODE>

 <BR>
 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Detaches the iterator from the set which it iterated over, releasing
  any computational resources and placing the iterator in the INVALID
  state.</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/axes/UnionPathIterator.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;int</CODE></FONT></TD>
 <TD><CODE><B><A HREF="../../../../org/apache/xpath/axes/UnionPathIterator.html#getAnalysisBits()">getAnalysisBits</A></B>()</CODE>

 <BR>
 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Get the analysis bits for this walker, as defined in the WalkerFactory.</TD>
 </TR>
 <TR BGCOLOR="white" CLASS="TableRowColor">
 <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
 <CODE>&nbsp;int</CODE></FONT></TD>
 <TD><CODE><B><A HREF="../../../../org/apache/xpath/axes/UnionPathIterator.html#getAxis()">getAxis</A></B>()</CODE>

 <BR>
 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns the axis being iterated, if it is known.</TD>
 </TR>
 <TR BGCOLOR="white" CLASS="TableRowColor">
 <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
 <CODE>protected &nbsp;void</CODE></FONT></TD>
 <TD><CODE><B><A HREF="../../../../org/apache/xpath/axes/UnionPathIterator.html#loadLocationPaths(org.apache.xpath.compiler.Compiler, int, int)">loadLocationPaths</A></B>(<A HREF="../../../../org/apache/xpath/compiler/Compiler.html" title="class in org.apache.xpath.compiler">Compiler</A>&nbsp;compiler,
                                    int&nbsp;opPos,
                                    int&nbsp;count)</CODE>

 <BR>
 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Initialize the location path iterators.</TD>
 </TR>
 <TR BGCOLOR="white" CLASS="TableRowColor">
 <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
 <CODE>&nbsp;int</CODE></FONT></TD>
 <TD><CODE><B><A HREF="../../../../org/apache/xpath/axes/UnionPathIterator.html#nextNode()">nextNode</A></B>()</CODE>

 <BR>
 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns the next node in the set and advances the position of the
  iterator in the set.</TD>
 </TR>
 <TR BGCOLOR="white" CLASS="TableRowColor">
 <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
 <CODE>private &nbsp;void</CODE></FONT></TD>
 <TD><CODE><B><A HREF="../../../../org/apache/xpath/axes/UnionPathIterator.html#readObject(java.io.ObjectInputStream)">readObject</A></B>(java.io.ObjectInputStream&nbsp;stream)</CODE>

 <BR>
 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Read the object from a serialization stream.</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/axes/UnionPathIterator.html#setRoot(int, java.lang.Object)">setRoot</A></B>(int&nbsp;context,
                java.lang.Object&nbsp;environment)</CODE>

 <BR>
 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Initialize the context values for this expression
  after it is cloned.</TD>
 </TR>
 </TABLE>
 &nbsp;<A NAME="methods_inherited_from_class_org.apache.xpath.axes.LocPathIterator"><!-- --></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.axes.<A HREF="../../../../org/apache/xpath/axes/LocPathIterator.html" title="class in org.apache.xpath.axes">LocPathIterator</A></B></TH>
 </TR>
 <TR BGCOLOR="white" CLASS="TableRowColor">
 <TD><CODE><A HREF="../../../../org/apache/xpath/axes/LocPathIterator.html#allowDetachToRelease(boolean)">allowDetachToRelease</A>, <A HREF="../../../../org/apache/xpath/axes/LocPathIterator.html#asIterator(org.apache.xpath.XPathContext, int)">asIterator</A>, <A HREF="../../../../org/apache/xpath/axes/LocPathIterator.html#asNode(org.apache.xpath.XPathContext)">asNode</A>, <A HREF="../../../../org/apache/xpath/axes/LocPathIterator.html#bool(org.apache.xpath.XPathContext)">bool</A>, <A HREF="../../../../org/apache/xpath/axes/LocPathIterator.html#cloneWithReset()">cloneWithReset</A>, <A HREF="../../../../org/apache/xpath/axes/LocPathIterator.html#execute(org.apache.xpath.XPathContext)">execute</A>, <A HREF="../../../../org/apache/xpath/axes/LocPathIterator.html#executeCharsToContentHandler(org.apache.xpath.XPathContext, org.xml.sax.ContentHandler)">executeCharsToContentHandler</A>, <A HREF="../../../../org/apache/xpath/axes/LocPathIterator.html#getContext()">getContext</A>, <A HREF="../../../../org/apache/xpath/axes/LocPathIterator.html#getCurrentContextNode()">getCurrentContextNode</A>, <A HREF="../../../../org/apache/xpath/axes/LocPathIterator.html#getCurrentNode()">getCurrentNode</A>, <A HREF="../../../../org/apache/xpath/axes/LocPathIterator.html#getCurrentPos()">getCurrentPos</A>, <A HREF="../../../../org/apache/xpath/axes/LocPathIterator.html#getDTM(int)">getDTM</A>, <A HREF="../../../../org/apache/xpath/axes/LocPathIterator.html#getDTMManager()">getDTMManager</A>, <A HREF="../../../../org/apache/xpath/axes/LocPathIterator.html#getExpandEntityReferences()">getExpandEntityReferences</A>, <A HREF="../../../../org/apache/xpath/axes/LocPathIterator.html#getFilter()">getFilter</A>, <A HREF="../../../../org/apache/xpath/axes/LocPathIterator.html#getFoundLast()">getFoundLast</A>, <A HREF="../../../../org/apache/xpath/axes/LocPathIterator.html#getIsTopLevel()">getIsTopLevel</A>, <A HREF="../../../../org/apache/xpath/axes/LocPathIterator.html#getLastPos(org.apache.xpath.XPathContext)">getLastPos</A>, <A HREF="../../../../org/apache/xpath/axes/LocPathIterator.html#getLength()">getLength</A>, <A HREF="../../../../org/apache/xpath/axes/LocPathIterator.html#getPrefixResolver()">getPrefixResolver</A>, <A HREF="../../../../org/apache/xpath/axes/LocPathIterator.html#getRoot()">getRoot</A>, <A HREF="../../../../org/apache/xpath/axes/LocPathIterator.html#getWhatToShow()">getWhatToShow</A>, <A HREF="../../../../org/apache/xpath/axes/LocPathIterator.html#getXPathContext()">getXPathContext</A>, <A HREF="../../../../org/apache/xpath/axes/LocPathIterator.html#incrementCurrentPos()">incrementCurrentPos</A>, <A HREF="../../../../org/apache/xpath/axes/LocPathIterator.html#isDocOrdered()">isDocOrdered</A>, <A HREF="../../../../org/apache/xpath/axes/LocPathIterator.html#isFresh()">isFresh</A>, <A HREF="../../../../org/apache/xpath/axes/LocPathIterator.html#isMutable()">isMutable</A>, <A HREF="../../../../org/apache/xpath/axes/LocPathIterator.html#isNodesetExpr()">isNodesetExpr</A>, <A HREF="../../../../org/apache/xpath/axes/LocPathIterator.html#item(int)">item</A>, <A HREF="../../../../org/apache/xpath/axes/LocPathIterator.html#previousNode()">previousNode</A>, <A HREF="../../../../org/apache/xpath/axes/LocPathIterator.html#reset()">reset</A>, <A HREF="../../../../org/apache/xpath/axes/LocPathIterator.html#returnNextNode(int)">returnNextNode</A>, <A HREF="../../../../org/apache/xpath/axes/LocPathIterator.html#runTo(int)">runTo</A>, <A HREF="../../../../org/apache/xpath/axes/LocPathIterator.html#setCurrentContextNode(int)">setCurrentContextNode</A>, <A HREF="../../../../org/apache/xpath/axes/LocPathIterator.html#setCurrentPos(int)">setCurrentPos</A>, <A HREF="../../../../org/apache/xpath/axes/LocPathIterator.html#setEnvironment(java.lang.Object)">setEnvironment</A>, <A HREF="../../../../org/apache/xpath/axes/LocPathIterator.html#setIsTopLevel(boolean)">setIsTopLevel</A>, <A HREF="../../../../org/apache/xpath/axes/LocPathIterator.html#setItem(int, int)">setItem</A>, <A HREF="../../../../org/apache/xpath/axes/LocPathIterator.html#setNextPosition(int)">setNextPosition</A>, <A HREF="../../../../org/apache/xpath/axes/LocPathIterator.html#setShouldCacheNodes(boolean)">setShouldCacheNodes</A>, <A HREF="../../../../org/apache/xpath/axes/LocPathIterator.html#size()">size</A></CODE></TD>
 </TR>
 </TABLE>
 &nbsp;<A NAME="methods_inherited_from_class_org.apache.xpath.axes.PredicatedNodeTest"><!-- --></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.axes.<A HREF="../../../../org/apache/xpath/axes/PredicatedNodeTest.html" title="class in org.apache.xpath.axes">PredicatedNodeTest</A></B></TH>
 </TR>
 <TR BGCOLOR="white" CLASS="TableRowColor">
 <TD><CODE><A HREF="../../../../org/apache/xpath/axes/PredicatedNodeTest.html#acceptNode(int)">acceptNode</A>, <A HREF="../../../../org/apache/xpath/axes/PredicatedNodeTest.html#callPredicateVisitors(org.apache.xpath.XPathVisitor)">callPredicateVisitors</A>, <A HREF="../../../../org/apache/xpath/axes/PredicatedNodeTest.html#canTraverseOutsideSubtree()">canTraverseOutsideSubtree</A>, <A HREF="../../../../org/apache/xpath/axes/PredicatedNodeTest.html#countProximityPosition(int)">countProximityPosition</A>, <A HREF="../../../../org/apache/xpath/axes/PredicatedNodeTest.html#executePredicates(int, org.apache.xpath.XPathContext)">executePredicates</A>, <A HREF="../../../../org/apache/xpath/axes/PredicatedNodeTest.html#getLocPathIterator()">getLocPathIterator</A>, <A HREF="../../../../org/apache/xpath/axes/PredicatedNodeTest.html#getPredicate(int)">getPredicate</A>, <A HREF="../../../../org/apache/xpath/axes/PredicatedNodeTest.html#getPredicateCount()">getPredicateCount</A>, <A HREF="../../../../org/apache/xpath/axes/PredicatedNodeTest.html#getPredicateIndex()">getPredicateIndex</A>, <A HREF="../../../../org/apache/xpath/axes/PredicatedNodeTest.html#getProximityPosition()">getProximityPosition</A>, <A HREF="../../../../org/apache/xpath/axes/PredicatedNodeTest.html#getProximityPosition(int)">getProximityPosition</A>, <A HREF="../../../../org/apache/xpath/axes/PredicatedNodeTest.html#getProximityPosition(org.apache.xpath.XPathContext)">getProximityPosition</A>, <A HREF="../../../../org/apache/xpath/axes/PredicatedNodeTest.html#initPredicateInfo(org.apache.xpath.compiler.Compiler, int)">initPredicateInfo</A>, <A HREF="../../../../org/apache/xpath/axes/PredicatedNodeTest.html#initProximityPosition(int)">initProximityPosition</A>, <A HREF="../../../../org/apache/xpath/axes/PredicatedNodeTest.html#isReverseAxes()">isReverseAxes</A>, <A HREF="../../../../org/apache/xpath/axes/PredicatedNodeTest.html#nodeToString(int)">nodeToString</A>, <A HREF="../../../../org/apache/xpath/axes/PredicatedNodeTest.html#resetProximityPositions()">resetProximityPositions</A>, <A HREF="../../../../org/apache/xpath/axes/PredicatedNodeTest.html#setLocPathIterator(org.apache.xpath.axes.LocPathIterator)">setLocPathIterator</A>, <A HREF="../../../../org/apache/xpath/axes/PredicatedNodeTest.html#setPredicateCount(int)">setPredicateCount</A></CODE></TD>
 </TR>
 </TABLE>
 &nbsp;<A NAME="methods_inherited_from_class_org.apache.xpath.patterns.NodeTest"><!-- --></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.patterns.<A HREF="../../../../org/apache/xpath/patterns/NodeTest.html" title="class in org.apache.xpath.patterns">NodeTest</A></B></TH>
 </TR>
 <TR BGCOLOR="white" CLASS="TableRowColor">
 <TD><CODE><A HREF="../../../../org/apache/xpath/patterns/NodeTest.html#calcScore()">calcScore</A>, <A HREF="../../../../org/apache/xpath/patterns/NodeTest.html#debugWhatToShow(int)">debugWhatToShow</A>, <A HREF="../../../../org/apache/xpath/patterns/NodeTest.html#execute(org.apache.xpath.XPathContext, int)">execute</A>, <A HREF="../../../../org/apache/xpath/patterns/NodeTest.html#execute(org.apache.xpath.XPathContext, int, org.apache.xml.dtm.DTM, int)">execute</A>, <A HREF="../../../../org/apache/xpath/patterns/NodeTest.html#getDefaultScore()">getDefaultScore</A>, <A HREF="../../../../org/apache/xpath/patterns/NodeTest.html#getLocalName()">getLocalName</A>, <A HREF="../../../../org/apache/xpath/patterns/NodeTest.html#getNamespace()">getNamespace</A>, <A HREF="../../../../org/apache/xpath/patterns/NodeTest.html#getNodeTypeTest(int)">getNodeTypeTest</A>, <A HREF="../../../../org/apache/xpath/patterns/NodeTest.html#getStaticScore()">getStaticScore</A>, <A HREF="../../../../org/apache/xpath/patterns/NodeTest.html#initNodeTest(int)">initNodeTest</A>, <A HREF="../../../../org/apache/xpath/patterns/NodeTest.html#initNodeTest(int, java.lang.String, java.lang.String)">initNodeTest</A>, <A HREF="../../../../org/apache/xpath/patterns/NodeTest.html#setLocalName(java.lang.String)">setLocalName</A>, <A HREF="../../../../org/apache/xpath/patterns/NodeTest.html#setNamespace(java.lang.String)">setNamespace</A>, <A HREF="../../../../org/apache/xpath/patterns/NodeTest.html#setStaticScore(org.apache.xpath.objects.XNumber)">setStaticScore</A>, <A HREF="../../../../org/apache/xpath/patterns/NodeTest.html#setWhatToShow(int)">setWhatToShow</A></CODE></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#asIteratorRaw(org.apache.xpath.XPathContext, int)">asIteratorRaw</A>, <A HREF="../../../../org/apache/xpath/Expression.html#assertion(boolean, java.lang.String)">assertion</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#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#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>equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</CODE></TD>
 </TR>
 </TABLE>
 &nbsp;<A NAME="methods_inherited_from_class_org.apache.xml.dtm.DTMIterator"><!-- --></A>
 <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
 <TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
 <TH ALIGN="left"><B>Methods inherited from interface org.apache.xml.dtm.<A HREF="../../../../org/apache/xml/dtm/DTMIterator.html" title="interface in org.apache.xml.dtm">DTMIterator</A></B></TH>
 </TR>
 <TR BGCOLOR="white" CLASS="TableRowColor">
 <TD><CODE><A HREF="../../../../org/apache/xml/dtm/DTMIterator.html#allowDetachToRelease(boolean)">allowDetachToRelease</A>, <A HREF="../../../../org/apache/xml/dtm/DTMIterator.html#cloneWithReset()">cloneWithReset</A>, <A HREF="../../../../org/apache/xml/dtm/DTMIterator.html#getCurrentNode()">getCurrentNode</A>, <A HREF="../../../../org/apache/xml/dtm/DTMIterator.html#getCurrentPos()">getCurrentPos</A>, <A HREF="../../../../org/apache/xml/dtm/DTMIterator.html#getDTM(int)">getDTM</A>, <A HREF="../../../../org/apache/xml/dtm/DTMIterator.html#getDTMManager()">getDTMManager</A>, <A HREF="../../../../org/apache/xml/dtm/DTMIterator.html#getExpandEntityReferences()">getExpandEntityReferences</A>, <A HREF="../../../../org/apache/xml/dtm/DTMIterator.html#getLength()">getLength</A>, <A HREF="../../../../org/apache/xml/dtm/DTMIterator.html#getRoot()">getRoot</A>, <A HREF="../../../../org/apache/xml/dtm/DTMIterator.html#getWhatToShow()">getWhatToShow</A>, <A HREF="../../../../org/apache/xml/dtm/DTMIterator.html#isDocOrdered()">isDocOrdered</A>, <A HREF="../../../../org/apache/xml/dtm/DTMIterator.html#isFresh()">isFresh</A>, <A HREF="../../../../org/apache/xml/dtm/DTMIterator.html#isMutable()">isMutable</A>, <A HREF="../../../../org/apache/xml/dtm/DTMIterator.html#item(int)">item</A>, <A HREF="../../../../org/apache/xml/dtm/DTMIterator.html#previousNode()">previousNode</A>, <A HREF="../../../../org/apache/xml/dtm/DTMIterator.html#reset()">reset</A>, <A HREF="../../../../org/apache/xml/dtm/DTMIterator.html#runTo(int)">runTo</A>, <A HREF="../../../../org/apache/xml/dtm/DTMIterator.html#setCurrentPos(int)">setCurrentPos</A>, <A HREF="../../../../org/apache/xml/dtm/DTMIterator.html#setItem(int, int)">setItem</A>, <A HREF="../../../../org/apache/xml/dtm/DTMIterator.html#setShouldCacheNodes(boolean)">setShouldCacheNodes</A></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/axes/UnionPathIterator.html#line.44"><B>serialVersionUID</B></A></PRE>
 <DL>
 <DL>
 <DT><B>See Also:</B><DD><A HREF="../../../../constant-values.html#org.apache.xpath.axes.UnionPathIterator.serialVersionUID">Constant Field Values</A></DL>
 </DL>
 <HR>

 <A NAME="m_exprs"><!-- --></A><H3>
 m_exprs</H3>
 <PRE>
 protected <A HREF="../../../../org/apache/xpath/axes/LocPathIterator.html" title="class in org.apache.xpath.axes">LocPathIterator</A>[] <A HREF="../../../../src-html/org/apache/xpath/axes/UnionPathIterator.html#line.468"><B>m_exprs</B></A></PRE>
 <DL>
 <DD>The location path iterators, one for each
  <a href="http://www.w3.org/TR/xpath#NT-LocationPath">location
  path</a> contained in the union expression.
 <P>
 <DL>
 </DL>
 </DL>
 <HR>

 <A NAME="m_iterators"><!-- --></A><H3>
 m_iterators</H3>
 <PRE>
 protected <A HREF="../../../../org/apache/xml/dtm/DTMIterator.html" title="interface in org.apache.xml.dtm">DTMIterator</A>[] <A HREF="../../../../src-html/org/apache/xpath/axes/UnionPathIterator.html#line.477"><B>m_iterators</B></A></PRE>
 <DL>
 <DD>The location path iterators, one for each
  <a href="http://www.w3.org/TR/xpath#NT-LocationPath">location
  path</a> contained in the union 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="UnionPathIterator()"><!-- --></A><H3>
 UnionPathIterator</H3>
 <PRE>
 public <A HREF="../../../../src-html/org/apache/xpath/axes/UnionPathIterator.html#line.49"><B>UnionPathIterator</B></A>()</PRE>
 <DL>
 <DD>Constructor to create an instance which you can add location paths to.
 <P>
 </DL>
 <HR>

 <A NAME="UnionPathIterator(org.apache.xpath.compiler.Compiler, int)"><!-- --></A><H3>
 UnionPathIterator</H3>
 <PRE>
 public <A HREF="../../../../src-html/org/apache/xpath/axes/UnionPathIterator.html#line.156"><B>UnionPathIterator</B></A>(<A HREF="../../../../org/apache/xpath/compiler/Compiler.html" title="class in org.apache.xpath.compiler">Compiler</A>&nbsp;compiler,
                          int&nbsp;opPos)
                   throws javax.xml.transform.TransformerException</PRE>
 <DL>
 <DD>Create a UnionPathIterator object, including creation
  of location path iterators from the opcode list, and call back
  into the Compiler to create predicate expressions.
 <P>
 <DL>
 <DT><B>Parameters:</B><DD><CODE>compiler</CODE> - The Compiler which is creating
  this expression.<DD><CODE>opPos</CODE> - The position of this iterator in the
  opcode list from the compiler.
 <DT><B>Throws:</B>
 <DD><CODE>javax.xml.transform.TransformerException</CODE></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="setRoot(int, java.lang.Object)"><!-- --></A><H3>
 setRoot</H3>
 <PRE>
 public void <A HREF="../../../../src-html/org/apache/xpath/axes/UnionPathIterator.html#line.67"><B>setRoot</B></A>(int&nbsp;context,
                     java.lang.Object&nbsp;environment)</PRE>
 <DL>
 <DD>Initialize the context values for this expression
  after it is cloned.
 <P>
 <DD><DL>
 <DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/apache/xml/dtm/DTMIterator.html#setRoot(int, java.lang.Object)">setRoot</A></CODE> in interface <CODE><A HREF="../../../../org/apache/xml/dtm/DTMIterator.html" title="interface in org.apache.xml.dtm">DTMIterator</A></CODE><DT><B>Overrides:</B><DD><CODE><A HREF="../../../../org/apache/xpath/axes/LocPathIterator.html#setRoot(int, java.lang.Object)">setRoot</A></CODE> in class <CODE><A HREF="../../../../org/apache/xpath/axes/LocPathIterator.html" title="class in org.apache.xpath.axes">LocPathIterator</A></CODE></DL>
 </DD>
 <DD><DL>
 <DT><B>Parameters:</B><DD><CODE>context</CODE> - The XPath runtime context for this
  transformation.<DD><CODE>environment</CODE> - The environment object.
  The environment in which this iterator operates, which should provide:
  <ul>
  <li>a node (the context node... same value as "root" defined below) </li>
  <li>a pair of non-zero positive integers (the context position and the context size) </li>
  <li>a set of variable bindings </li>
  <li>a function library </li>
  <li>the set of namespace declarations in scope for the expression.</li>
  <ul>

  <p>At this time the exact implementation of this environment is application
  dependent.  Probably a proper interface will be created fairly soon.</p></DL>
 </DD>
 </DL>
 <HR>

 <A NAME="addIterator(org.apache.xml.dtm.DTMIterator)"><!-- --></A><H3>
 addIterator</H3>
 <PRE>
 public void <A HREF="../../../../src-html/org/apache/xpath/axes/UnionPathIterator.html#line.98"><B>addIterator</B></A>(<A HREF="../../../../org/apache/xml/dtm/DTMIterator.html" title="interface in org.apache.xml.dtm">DTMIterator</A>&nbsp;expr)</PRE>
 <DL>
 <DD>Add an iterator to the union list.
 <P>
 <DD><DL>
 </DL>
 </DD>
 <DD><DL>
 <DT><B>Parameters:</B><DD><CODE>expr</CODE> - non-null reference to a location path iterator.</DL>
 </DD>
 </DL>
 <HR>

 <A NAME="detach()"><!-- --></A><H3>
 detach</H3>
 <PRE>
 public void <A HREF="../../../../src-html/org/apache/xpath/axes/UnionPathIterator.html#line.131"><B>detach</B></A>()</PRE>
 <DL>
 <DD>Detaches the iterator from the set which it iterated over, releasing
  any computational resources and placing the iterator in the INVALID
  state. After<code>detach</code> has been invoked, calls to
  <code>nextNode</code> or<code>previousNode</code> will raise the
  exception INVALID_STATE_ERR.
 <P>
 <DD><DL>
 <DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/apache/xml/dtm/DTMIterator.html#detach()">detach</A></CODE> in interface <CODE><A HREF="../../../../org/apache/xml/dtm/DTMIterator.html" title="interface in org.apache.xml.dtm">DTMIterator</A></CODE><DT><B>Overrides:</B><DD><CODE><A HREF="../../../../org/apache/xpath/axes/LocPathIterator.html#detach()">detach</A></CODE> in class <CODE><A HREF="../../../../org/apache/xpath/axes/LocPathIterator.html" title="class in org.apache.xpath.axes">LocPathIterator</A></CODE></DL>
 </DD>
 <DD><DL>
 </DL>
 </DD>
 </DL>
 <HR>

 <A NAME="createUnionIterator(org.apache.xpath.compiler.Compiler, int)"><!-- --></A><H3>
 createUnionIterator</H3>
 <PRE>
 public static <A HREF="../../../../org/apache/xpath/axes/LocPathIterator.html" title="class in org.apache.xpath.axes">LocPathIterator</A> <A HREF="../../../../src-html/org/apache/xpath/axes/UnionPathIterator.html#line.179"><B>createUnionIterator</B></A>(<A HREF="../../../../org/apache/xpath/compiler/Compiler.html" title="class in org.apache.xpath.compiler">Compiler</A>&nbsp;compiler,
                                                   int&nbsp;opPos)
                                            throws javax.xml.transform.TransformerException</PRE>
 <DL>
 <DD>This will return an iterator capable of handling the union of paths given.
 <P>
 <DD><DL>
 </DL>
 </DD>
 <DD><DL>
 <DT><B>Parameters:</B><DD><CODE>compiler</CODE> - The Compiler which is creating
  this expression.<DD><CODE>opPos</CODE> - The position of this iterator in the
  opcode list from the compiler.
 <DT><B>Returns:</B><DD>Object that is derived from LocPathIterator.
 <DT><B>Throws:</B>
 <DD><CODE>javax.xml.transform.TransformerException</CODE></DL>
 </DD>
 </DL>
 <HR>

 <A NAME="getAnalysisBits()"><!-- --></A><H3>
 getAnalysisBits</H3>
 <PRE>
 public int <A HREF="../../../../src-html/org/apache/xpath/axes/UnionPathIterator.html#line.231"><B>getAnalysisBits</B></A>()</PRE>
 <DL>
 <DD>Get the analysis bits for this walker, as defined in the WalkerFactory.
 <P>
 <DD><DL>
 <DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/apache/xpath/axes/PathComponent.html#getAnalysisBits()">getAnalysisBits</A></CODE> in interface <CODE><A HREF="../../../../org/apache/xpath/axes/PathComponent.html" title="interface in org.apache.xpath.axes">PathComponent</A></CODE><DT><B>Overrides:</B><DD><CODE><A HREF="../../../../org/apache/xpath/axes/LocPathIterator.html#getAnalysisBits()">getAnalysisBits</A></CODE> in class <CODE><A HREF="../../../../org/apache/xpath/axes/LocPathIterator.html" title="class in org.apache.xpath.axes">LocPathIterator</A></CODE></DL>
 </DD>
 <DD><DL>

 <DT><B>Returns:</B><DD>One of WalkerFactory#BIT_DESCENDANT, etc.</DL>
 </DD>
 </DL>
 <HR>

 <A NAME="readObject(java.io.ObjectInputStream)"><!-- --></A><H3>
 readObject</H3>
 <PRE>
 private void <A HREF="../../../../src-html/org/apache/xpath/axes/UnionPathIterator.html#line.257"><B>readObject</B></A>(java.io.ObjectInputStream&nbsp;stream)
                  throws java.io.IOException,
                         javax.xml.transform.TransformerException</PRE>
 <DL>
 <DD>Read the object from a serialization stream.
 <P>
 <DD><DL>
 </DL>
 </DD>
 <DD><DL>
 <DT><B>Parameters:</B><DD><CODE>stream</CODE> - Input stream to read from
 <DT><B>Throws:</B>
 <DD><CODE>java.io.IOException</CODE>
 <DD><CODE>javax.xml.transform.TransformerException</CODE></DL>
 </DD>
 </DL>
 <HR>

 <A NAME="clone()"><!-- --></A><H3>
 clone</H3>
 <PRE>
 public java.lang.Object <A HREF="../../../../src-html/org/apache/xpath/axes/UnionPathIterator.html#line.279"><B>clone</B></A>()
                        throws java.lang.CloneNotSupportedException</PRE>
 <DL>
 <DD>Get a cloned LocPathIterator that holds the same
  position as this iterator.
 <P>
 <DD><DL>
 <DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/apache/xml/dtm/DTMIterator.html#clone()">clone</A></CODE> in interface <CODE><A HREF="../../../../org/apache/xml/dtm/DTMIterator.html" title="interface in org.apache.xml.dtm">DTMIterator</A></CODE><DT><B>Overrides:</B><DD><CODE><A HREF="../../../../org/apache/xpath/axes/PredicatedNodeTest.html#clone()">clone</A></CODE> in class <CODE><A HREF="../../../../org/apache/xpath/axes/PredicatedNodeTest.html" title="class in org.apache.xpath.axes">PredicatedNodeTest</A></CODE></DL>
 </DD>
 <DD><DL>

 <DT><B>Returns:</B><DD>A clone of this iterator that holds the same node position.
 <DT><B>Throws:</B>
 <DD><CODE>java.lang.CloneNotSupportedException</CODE></DL>
 </DD>
 </DL>
 <HR>

 <A NAME="createDTMIterator(org.apache.xpath.compiler.Compiler, int)"><!-- --></A><H3>
 createDTMIterator</H3>
 <PRE>
 protected <A HREF="../../../../org/apache/xpath/axes/LocPathIterator.html" title="class in org.apache.xpath.axes">LocPathIterator</A> <A HREF="../../../../src-html/org/apache/xpath/axes/UnionPathIterator.html#line.310"><B>createDTMIterator</B></A>(<A HREF="../../../../org/apache/xpath/compiler/Compiler.html" title="class in org.apache.xpath.compiler">Compiler</A>&nbsp;compiler,
                                             int&nbsp;opPos)
                                      throws javax.xml.transform.TransformerException</PRE>
 <DL>
 <DD>Create a new location path iterator.
 <P>
 <DD><DL>
 </DL>
 </DD>
 <DD><DL>
 <DT><B>Parameters:</B><DD><CODE>compiler</CODE> - The Compiler which is creating
  this expression.<DD><CODE>opPos</CODE> - The position of this iterator in the
 <DT><B>Returns:</B><DD>New location path iterator.
 <DT><B>Throws:</B>
 <DD><CODE>javax.xml.transform.TransformerException</CODE></DL>
 </DD>
 </DL>
 <HR>

 <A NAME="loadLocationPaths(org.apache.xpath.compiler.Compiler, int, int)"><!-- --></A><H3>
 loadLocationPaths</H3>
 <PRE>
 protected void <A HREF="../../../../src-html/org/apache/xpath/axes/UnionPathIterator.html#line.329"><B>loadLocationPaths</B></A>(<A HREF="../../../../org/apache/xpath/compiler/Compiler.html" title="class in org.apache.xpath.compiler">Compiler</A>&nbsp;compiler,
                                  int&nbsp;opPos,
                                  int&nbsp;count)
                           throws javax.xml.transform.TransformerException</PRE>
 <DL>
 <DD>Initialize the location path iterators.  Recursive.
 <P>
 <DD><DL>
 </DL>
 </DD>
 <DD><DL>
 <DT><B>Parameters:</B><DD><CODE>compiler</CODE> - The Compiler which is creating
  this expression.<DD><CODE>opPos</CODE> - The position of this iterator in the
  opcode list from the compiler.<DD><CODE>count</CODE> - The insert position of the iterator.
 <DT><B>Throws:</B>
 <DD><CODE>javax.xml.transform.TransformerException</CODE></DL>
 </DD>
 </DL>
 <HR>

 <A NAME="nextNode()"><!-- --></A><H3>
 nextNode</H3>
 <PRE>
 public int <A HREF="../../../../src-html/org/apache/xpath/axes/UnionPathIterator.html#line.382"><B>nextNode</B></A>()</PRE>
 <DL>
 <DD>Returns the next node in the set and advances the position of the
  iterator in the set. After a DTMIterator is created, the first call
  to nextNode() returns the first node in the set.
 <P>
 <DD><DL>
 <DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/apache/xml/dtm/DTMIterator.html#nextNode()">nextNode</A></CODE> in interface <CODE><A HREF="../../../../org/apache/xml/dtm/DTMIterator.html" title="interface in org.apache.xml.dtm">DTMIterator</A></CODE><DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/apache/xpath/axes/LocPathIterator.html#nextNode()">nextNode</A></CODE> in class <CODE><A HREF="../../../../org/apache/xpath/axes/LocPathIterator.html" title="class in org.apache.xpath.axes">LocPathIterator</A></CODE></DL>
 </DD>
 <DD><DL>

 <DT><B>Returns:</B><DD>The next <code>Node</code> in the set being iterated over, or
    <code>null</code> if there are no more members in that set.</DL>
 </DD>
 </DL>
 <HR>

 <A NAME="fixupVariables(java.util.Vector, int)"><!-- --></A><H3>
 fixupVariables</H3>
 <PRE>
 public void <A HREF="../../../../src-html/org/apache/xpath/axes/UnionPathIterator.html#line.453"><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>Overrides:</B><DD><CODE><A HREF="../../../../org/apache/xpath/axes/PredicatedNodeTest.html#fixupVariables(java.util.Vector, int)">fixupVariables</A></CODE> in class <CODE><A HREF="../../../../org/apache/xpath/axes/PredicatedNodeTest.html" title="class in org.apache.xpath.axes">PredicatedNodeTest</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="getAxis()"><!-- --></A><H3>
 getAxis</H3>
 <PRE>
 public int <A HREF="../../../../src-html/org/apache/xpath/axes/UnionPathIterator.html#line.485"><B>getAxis</B></A>()</PRE>
 <DL>
 <DD>Returns the axis being iterated, if it is known.
 <P>
 <DD><DL>
 <DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/apache/xml/dtm/DTMIterator.html#getAxis()">getAxis</A></CODE> in interface <CODE><A HREF="../../../../org/apache/xml/dtm/DTMIterator.html" title="interface in org.apache.xml.dtm">DTMIterator</A></CODE><DT><B>Overrides:</B><DD><CODE><A HREF="../../../../org/apache/xpath/axes/LocPathIterator.html#getAxis()">getAxis</A></CODE> in class <CODE><A HREF="../../../../org/apache/xpath/axes/LocPathIterator.html" title="class in org.apache.xpath.axes">LocPathIterator</A></CODE></DL>
 </DD>
 <DD><DL>

 <DT><B>Returns:</B><DD>Axis.CHILD, etc., or -1 if the axis is not known or is of multiple
  types.</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/axes/UnionPathIterator.html#line.537"><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><DT><B>Overrides:</B><DD><CODE><A HREF="../../../../org/apache/xpath/axes/LocPathIterator.html#callVisitors(org.apache.xpath.ExpressionOwner, org.apache.xpath.XPathVisitor)">callVisitors</A></CODE> in class <CODE><A HREF="../../../../org/apache/xpath/axes/LocPathIterator.html" title="class in org.apache.xpath.axes">LocPathIterator</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="deepEquals(org.apache.xpath.Expression)"><!-- --></A><H3>
 deepEquals</H3>
 <PRE>
 public boolean <A HREF="../../../../src-html/org/apache/xpath/axes/UnionPathIterator.html#line.555"><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>Overrides:</B><DD><CODE><A HREF="../../../../org/apache/xpath/axes/PredicatedNodeTest.html#deepEquals(org.apache.xpath.Expression)">deepEquals</A></CODE> in class <CODE><A HREF="../../../../org/apache/xpath/axes/PredicatedNodeTest.html" title="class in org.apache.xpath.axes">PredicatedNodeTest</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>
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