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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0//EN">
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Xalan-Java 2: Class LocPathIterator
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org.apache.xpath.axes</FONT>
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Class LocPathIterator</H2>
<PRE>
java.lang.Object
|
+--<A HREF="../../../../org/apache/xpath/Expression.html">org.apache.xpath.Expression</A>
|
+--<A HREF="../../../../org/apache/xpath/patterns/NodeTest.html">org.apache.xpath.patterns.NodeTest</A>
|
+--<A HREF="../../../../org/apache/xpath/axes/PredicatedNodeTest.html">org.apache.xpath.axes.PredicatedNodeTest</A>
|
+--<B>org.apache.xpath.axes.LocPathIterator</B>
</PRE>
<DL>
<DT><B>Direct Known Subclasses:</B> <DD><A HREF="../../../../org/apache/xpath/axes/AttributeIterator.html">AttributeIterator</A>, <A HREF="../../../../org/apache/xpath/axes/ChildIterator.html">ChildIterator</A>, <A HREF="../../../../org/apache/xpath/axes/ChildTestIterator.html">ChildTestIterator</A>, <A HREF="../../../../org/apache/xpath/axes/DescendantIterator.html">DescendantIterator</A>, <A HREF="../../../../org/apache/xalan/transformer/KeyIterator.html">KeyIterator</A>, <A HREF="../../../../org/apache/xalan/transformer/KeyRefIterator.html">KeyRefIterator</A></DD>
</DL>
<HR>
<DL>
<DT>public class <B>LocPathIterator</B><DT>extends <A HREF="../../../../org/apache/xpath/axes/PredicatedNodeTest.html">PredicatedNodeTest</A><DT>implements java.lang.Cloneable, <A HREF="../../../../org/w3c/dom/traversal/NodeIterator.html">NodeIterator</A>, <A HREF="../../../../org/apache/xpath/axes/ContextNodeList.html">ContextNodeList</A>, <A HREF="../../../../org/w3c/dom/NodeList.html">NodeList</A>, java.io.Serializable</DL>
<P>
<i><font size="-1" color="#00FF00">**For advanced use only** </font></i><meta name="usage" content="advanced"/>
This class extends NodeSet, which implements NodeIterator,
and fetches nodes one at a time in document order based on a XPath
<a href="http://www.w3.org/TR/xpath#NT-LocationPath>LocationPath</a>.
<p>If setShouldCacheNodes(true) is called,
as each node is iterated via nextNode(), the node is also stored
in the NodeVector, so that previousNode() can easily be done, except in
the case where the LocPathIterator is "owned" by a UnionPathIterator,
in which case the UnionPathIterator will cache the nodes.</p>
<P>
<DL>
<DT><B>See Also: </B><DD><A HREF="../../../../serialized-form.html#org.apache.xpath.axes.LocPathIterator">Serialized Form</A></DL>
<HR>
<P>
<!-- ======== INNER CLASS SUMMARY ======== -->
<!-- =========== FIELD SUMMARY =========== -->
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<B>Field Summary</B></FONT></TD>
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> <A HREF="../../../../org/w3c/dom/Node.html">Node</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/xpath/axes/LocPathIterator.html#m_lastFetched">m_lastFetched</A></B></CODE>
<BR>
The last node that was fetched, usually by nextNode.</TD>
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</TABLE>
<A NAME="fields_inherited_from_class_org.apache.xpath.patterns.NodeTest"><!-- --></A>
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<TD><B>Fields inherited from class org.apache.xpath.patterns.<A HREF="../../../../org/apache/xpath/patterns/NodeTest.html">NodeTest</A></B></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><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#SHOW_NAMESPACE">SHOW_NAMESPACE</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>
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<!-- ======== CONSTRUCTOR SUMMARY ======== -->
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<B>Constructor Summary</B></FONT></TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><B><A HREF="../../../../org/apache/xpath/axes/LocPathIterator.html#LocPathIterator(org.apache.xpath.compiler.Compiler, int, int)">LocPathIterator</A></B>(<A HREF="../../../../org/apache/xpath/compiler/Compiler.html">Compiler</A> compiler,
int opPos,
int analysis)</CODE>
<BR>
Create a LocPathIterator object, including creation
of step walkers from the opcode list, and call back
into the Compiler to create predicate expressions.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><B><A HREF="../../../../org/apache/xpath/axes/LocPathIterator.html#LocPathIterator(org.apache.xpath.compiler.Compiler, int, int, boolean)">LocPathIterator</A></B>(<A HREF="../../../../org/apache/xpath/compiler/Compiler.html">Compiler</A> compiler,
int opPos,
int analysis,
boolean shouldLoadWalkers)</CODE>
<BR>
Create a LocPathIterator object, including creation
of step walkers from the opcode list, and call back
into the Compiler to create predicate expressions.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><B><A HREF="../../../../org/apache/xpath/axes/LocPathIterator.html#LocPathIterator(org.apache.xml.utils.PrefixResolver)">LocPathIterator</A></B>(<A HREF="../../../../org/apache/xml/utils/PrefixResolver.html">PrefixResolver</A> nscontext)</CODE>
<BR>
Create a LocPathIterator object.</TD>
</TR>
</TABLE>
<!-- ========== METHOD SUMMARY =========== -->
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/xpath/axes/LocPathIterator.html#addToWaitList(org.apache.xpath.axes.AxesWalker)">addToWaitList</A></B>(<A HREF="../../../../org/apache/xpath/axes/AxesWalker.html">AxesWalker</A> walker)</CODE>
<BR>
<i><font size="-1" color="#00FF00">**For advanced use only** </font></i><meta name="usage" content="advanced"/>
Add a walker to the waiting list.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/xpath/axes/LocPathIterator.html#canTraverseOutsideSubtree()">canTraverseOutsideSubtree</A></B>()</CODE>
<BR>
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> java.lang.Object</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/xpath/axes/LocPathIterator.html#clone()">clone</A></B>()</CODE>
<BR>
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> <A HREF="../../../../org/w3c/dom/traversal/NodeIterator.html">NodeIterator</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/xpath/axes/LocPathIterator.html#cloneWithReset()">cloneWithReset</A></B>()</CODE>
<BR>
Get a cloned Iterator that is reset to the beginning
of the query.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/xpath/axes/LocPathIterator.html#detach()">detach</A></B>()</CODE>
<BR>
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> <A HREF="../../../../org/apache/xpath/objects/XObject.html">XObject</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/xpath/axes/LocPathIterator.html#execute(org.apache.xpath.XPathContext)">execute</A></B>(<A HREF="../../../../org/apache/xpath/XPathContext.html">XPathContext</A> xctxt)</CODE>
<BR>
Execute this iterator, meaning create a clone that can
store state, and initialize it for fast execution from
the current runtime state.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> <A HREF="../../../../org/apache/xpath/NodeSet.html">NodeSet</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/xpath/axes/LocPathIterator.html#getCachedNodes()">getCachedNodes</A></B>()</CODE>
<BR>
Get cached nodes.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> <A HREF="../../../../org/w3c/dom/Node.html">Node</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/xpath/axes/LocPathIterator.html#getContext()">getContext</A></B>()</CODE>
<BR>
The node context for the iterator.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> <A HREF="../../../../org/w3c/dom/Node.html">Node</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/xpath/axes/LocPathIterator.html#getCurrentContextNode()">getCurrentContextNode</A></B>()</CODE>
<BR>
The node context from where the expression is being
executed from (i.e.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> <A HREF="../../../../org/w3c/dom/Node.html">Node</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/xpath/axes/LocPathIterator.html#getCurrentNode()">getCurrentNode</A></B>()</CODE>
<BR>
Return the last fetched node.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/xpath/axes/LocPathIterator.html#getCurrentPos()">getCurrentPos</A></B>()</CODE>
<BR>
Get the current position, which is one less than
the next nextNode() call will retrieve.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> <A HREF="../../../../org/apache/xpath/DOMHelper.html">DOMHelper</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/xpath/axes/LocPathIterator.html#getDOMHelper()">getDOMHelper</A></B>()</CODE>
<BR>
The DOM helper for the given context;</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/xpath/axes/LocPathIterator.html#getExpandEntityReferences()">getExpandEntityReferences</A></B>()</CODE>
<BR>
The value of this flag determines whether the children of entity
reference nodes are visible to the iterator.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> <A HREF="../../../../org/w3c/dom/traversal/NodeFilter.html">NodeFilter</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/xpath/axes/LocPathIterator.html#getFilter()">getFilter</A></B>()</CODE>
<BR>
The filter used to screen nodes.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> <A HREF="../../../../org/apache/xpath/axes/AxesWalker.html">AxesWalker</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/xpath/axes/LocPathIterator.html#getFirstWalker()">getFirstWalker</A></B>()</CODE>
<BR>
<i><font size="-1" color="#00FF00">**For advanced use only** </font></i><meta name="usage" content="advanced"/>
Get the head of the walker list.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/xpath/axes/LocPathIterator.html#getFoundLast()">getFoundLast</A></B>()</CODE>
<BR>
Tells if we've found the last node yet.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/xpath/axes/LocPathIterator.html#getIsTopLevel()">getIsTopLevel</A></B>()</CODE>
<BR>
<i><font size="-1" color="#00FF00">**For advanced use only** </font></i><meta name="usage" content="advanced"/>
Get if this is an iterator at the upper level of
the XPath.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/xpath/axes/LocPathIterator.html#getLast()">getLast</A></B>()</CODE>
<BR>
Get the index of the last node in the iteration.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/xpath/axes/LocPathIterator.html#getLastPos(org.apache.xpath.XPathContext)">getLastPos</A></B>(<A HREF="../../../../org/apache/xpath/XPathContext.html">XPathContext</A> xctxt)</CODE>
<BR>
Get the index of the last node that can be itterated to.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> <A HREF="../../../../org/apache/xpath/axes/AxesWalker.html">AxesWalker</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/xpath/axes/LocPathIterator.html#getLastUsedWalker()">getLastUsedWalker</A></B>()</CODE>
<BR>
<i><font size="-1" color="#00FF00">**For advanced use only** </font></i><meta name="usage" content="advanced"/>
Get the last used walker.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/xpath/axes/LocPathIterator.html#getLength()">getLength</A></B>()</CODE>
<BR>
The number of nodes in the list.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> <A HREF="../../../../org/apache/xml/utils/PrefixResolver.html">PrefixResolver</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/xpath/axes/LocPathIterator.html#getPrefixResolver()">getPrefixResolver</A></B>()</CODE>
<BR>
Return the saved reference to the prefix resolver that
was in effect when this iterator was created.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> <A HREF="../../../../org/w3c/dom/Node.html">Node</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/xpath/axes/LocPathIterator.html#getRoot()">getRoot</A></B>()</CODE>
<BR>
The root node of the Iterator, as specified when it was created.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/xpath/axes/LocPathIterator.html#getWhatToShow()">getWhatToShow</A></B>()</CODE>
<BR>
This attribute determines which node types are presented via the
iterator.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> <A HREF="../../../../org/apache/xpath/XPathContext.html">XPathContext</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/xpath/axes/LocPathIterator.html#getXPathContext()">getXPathContext</A></B>()</CODE>
<BR>
The XPath execution context we are operating on.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/xpath/axes/LocPathIterator.html#initContext(org.apache.xpath.XPathContext)">initContext</A></B>(<A HREF="../../../../org/apache/xpath/XPathContext.html">XPathContext</A> execContext)</CODE>
<BR>
Initialize the context values for this expression
after it is cloned.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/xpath/axes/LocPathIterator.html#isFresh()">isFresh</A></B>()</CODE>
<BR>
Tells if this NodeSet is "fresh", in other words, if
the first nextNode() that is called will return the
first node in the set.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> <A HREF="../../../../org/w3c/dom/Node.html">Node</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/xpath/axes/LocPathIterator.html#item(int)">item</A></B>(int index)</CODE>
<BR>
Returns the <code>index</code> th item in the collection.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> <A HREF="../../../../org/w3c/dom/Node.html">Node</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/xpath/axes/LocPathIterator.html#nextNode()">nextNode</A></B>()</CODE>
<BR>
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> <A HREF="../../../../org/w3c/dom/Node.html">Node</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/xpath/axes/LocPathIterator.html#previousNode()">previousNode</A></B>()</CODE>
<BR>
Returns the previous node in the set and moves the position of the
iterator backwards in the set.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/xpath/axes/LocPathIterator.html#removeFromWaitList(org.apache.xpath.axes.AxesWalker)">removeFromWaitList</A></B>(<A HREF="../../../../org/apache/xpath/axes/AxesWalker.html">AxesWalker</A> walker)</CODE>
<BR>
<i><font size="-1" color="#00FF00">**For advanced use only** </font></i><meta name="usage" content="advanced"/>
Remove a walker from the waiting list.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/xpath/axes/LocPathIterator.html#reset()">reset</A></B>()</CODE>
<BR>
Reset the iterator.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/xpath/axes/LocPathIterator.html#runTo(int)">runTo</A></B>(int index)</CODE>
<BR>
If an index is requested, NodeSet will call this method
to run the iterator to the index.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/xpath/axes/LocPathIterator.html#setCurrentContextNode(org.w3c.dom.Node)">setCurrentContextNode</A></B>(<A HREF="../../../../org/w3c/dom/Node.html">Node</A> n)</CODE>
<BR>
Set the current context node for this iterator.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/xpath/axes/LocPathIterator.html#setCurrentPos(int)">setCurrentPos</A></B>(int i)</CODE>
<BR>
Set the current position in the node set.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/xpath/axes/LocPathIterator.html#setIsTopLevel(boolean)">setIsTopLevel</A></B>(boolean b)</CODE>
<BR>
<i><font size="-1" color="#00FF00">**For advanced use only** </font></i><meta name="usage" content="advanced"/>
Set if this is an iterator at the upper level of
the XPath.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/xpath/axes/LocPathIterator.html#setLast(int)">setLast</A></B>(int last)</CODE>
<BR>
Set the index of the last node in the iteration.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/xpath/axes/LocPathIterator.html#setLastUsedWalker(org.apache.xpath.axes.AxesWalker)">setLastUsedWalker</A></B>(<A HREF="../../../../org/apache/xpath/axes/AxesWalker.html">AxesWalker</A> walker)</CODE>
<BR>
<i><font size="-1" color="#00FF00">**For advanced use only** </font></i><meta name="usage" content="advanced"/>
Set the last used walker.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/xpath/axes/LocPathIterator.html#setShouldCacheNodes(boolean)">setShouldCacheNodes</A></B>(boolean b)</CODE>
<BR>
If setShouldCacheNodes(true) is called, then nodes will
be cached.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/xpath/axes/LocPathIterator.html#size()">size</A></B>()</CODE>
<BR>
Get the length of the cached nodes.</TD>
</TR>
</TABLE>
<A NAME="methods_inherited_from_class_org.apache.xpath.axes.PredicatedNodeTest"><!-- --></A>
<TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TD><B>Methods inherited from class org.apache.xpath.axes.<A HREF="../../../../org/apache/xpath/axes/PredicatedNodeTest.html">PredicatedNodeTest</A></B></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="../../../../org/apache/xpath/axes/PredicatedNodeTest.html#acceptNode(org.w3c.dom.Node)">acceptNode</A>,
<A HREF="../../../../org/apache/xpath/axes/PredicatedNodeTest.html#getLocPathIterator()">getLocPathIterator</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(org.apache.xpath.XPathContext)">getProximityPosition</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#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>
<A NAME="methods_inherited_from_class_org.apache.xpath.patterns.NodeTest"><!-- --></A>
<TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TD><B>Methods inherited from class org.apache.xpath.patterns.<A HREF="../../../../org/apache/xpath/patterns/NodeTest.html">NodeTest</A></B></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><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, org.w3c.dom.Node)">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#initNodeTest(int)">initNodeTest</A>,
<A HREF="../../../../org/apache/xpath/patterns/NodeTest.html#initNodeTest(int, java.lang.String, java.lang.String)">initNodeTest</A></CODE></TD>
</TR>
</TABLE>
<A NAME="methods_inherited_from_class_org.apache.xpath.Expression"><!-- --></A>
<TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TD><B>Methods inherited from class org.apache.xpath.<A HREF="../../../../org/apache/xpath/Expression.html">Expression</A></B></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="../../../../org/apache/xpath/Expression.html#assert(boolean, java.lang.String)">assert</A>,
<A HREF="../../../../org/apache/xpath/Expression.html#error(org.apache.xpath.XPathContext, int, java.lang.Object[])">error</A>,
<A HREF="../../../../org/apache/xpath/Expression.html#setSourceLocator(javax.xml.transform.SourceLocator)">setSourceLocator</A>,
<A HREF="../../../../org/apache/xpath/Expression.html#warn(org.apache.xpath.XPathContext, int, java.lang.Object[])">warn</A></CODE></TD>
</TR>
</TABLE>
<A NAME="methods_inherited_from_class_java.lang.Object"><!-- --></A>
<TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TD><B>Methods inherited from class java.lang.Object</B></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE>equals,
getClass,
hashCode,
notify,
notifyAll,
toString,
wait,
wait,
wait</CODE></TD>
</TR>
</TABLE>
<P>
<!-- ============ FIELD DETAIL =========== -->
<A NAME="field_detail"><!-- --></A>
<TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%">
<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
<TD COLSPAN=1><FONT SIZE="+2">
<B>Field Detail</B></FONT></TD>
</TR>
</TABLE>
<A NAME="m_lastFetched"><!-- --></A><H3>
m_lastFetched</H3>
<PRE>
public transient <A HREF="../../../../org/w3c/dom/Node.html">Node</A> <B>m_lastFetched</B></PRE>
<DL>
<DD>The last node that was fetched, usually by nextNode.</DL>
<!-- ========= CONSTRUCTOR DETAIL ======== -->
<A NAME="constructor_detail"><!-- --></A>
<TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%">
<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
<TD COLSPAN=1><FONT SIZE="+2">
<B>Constructor Detail</B></FONT></TD>
</TR>
</TABLE>
<A NAME="LocPathIterator(org.apache.xml.utils.PrefixResolver)"><!-- --></A><H3>
LocPathIterator</H3>
<PRE>
public <B>LocPathIterator</B>(<A HREF="../../../../org/apache/xml/utils/PrefixResolver.html">PrefixResolver</A> nscontext)</PRE>
<DL>
<DD>Create a LocPathIterator object.<DD><DL>
<DT><B>Parameters:</B><DD><CODE>nscontext</CODE> - The namespace context for this iterator,
should be OK if null.</DL>
</DD>
</DL>
<HR>
<A NAME="LocPathIterator(org.apache.xpath.compiler.Compiler, int, int)"><!-- --></A><H3>
LocPathIterator</H3>
<PRE>
public <B>LocPathIterator</B>(<A HREF="../../../../org/apache/xpath/compiler/Compiler.html">Compiler</A> compiler,
int opPos,
int analysis)
throws <A HREF="../../../../javax/xml/transform/TransformerException.html">TransformerException</A></PRE>
<DL>
<DD>Create a LocPathIterator object, including creation
of step walkers from the opcode list, and call back
into the Compiler to create predicate expressions.<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>Throws:</B><DD><A HREF="../../../../javax/xml/transform/TransformerException.html">TransformerException</A> - </DL>
</DD>
</DL>
<HR>
<A NAME="LocPathIterator(org.apache.xpath.compiler.Compiler, int, int, boolean)"><!-- --></A><H3>
LocPathIterator</H3>
<PRE>
public <B>LocPathIterator</B>(<A HREF="../../../../org/apache/xpath/compiler/Compiler.html">Compiler</A> compiler,
int opPos,
int analysis,
boolean shouldLoadWalkers)
throws <A HREF="../../../../javax/xml/transform/TransformerException.html">TransformerException</A></PRE>
<DL>
<DD>Create a LocPathIterator object, including creation
of step walkers from the opcode list, and call back
into the Compiler to create predicate expressions.<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>shouldLoadWalkers</CODE> - True if walkers should be
loaded, or false if this is a derived iterator and
it doesn't wish to load child walkers.<DT><B>Throws:</B><DD><A HREF="../../../../javax/xml/transform/TransformerException.html">TransformerException</A> - </DL>
</DD>
</DL>
<!-- ============ METHOD DETAIL ========== -->
<A NAME="method_detail"><!-- --></A>
<TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%">
<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
<TD COLSPAN=1><FONT SIZE="+2">
<B>Method Detail</B></FONT></TD>
</TR>
</TABLE>
<A NAME="execute(org.apache.xpath.XPathContext)"><!-- --></A><H3>
execute</H3>
<PRE>
public <A HREF="../../../../org/apache/xpath/objects/XObject.html">XObject</A> <B>execute</B>(<A HREF="../../../../org/apache/xpath/XPathContext.html">XPathContext</A> xctxt)
throws <A HREF="../../../../javax/xml/transform/TransformerException.html">TransformerException</A></PRE>
<DL>
<DD>Execute this iterator, meaning create a clone that can
store state, and initialize it for fast execution from
the current runtime state. When this is called, no actual
query from the current context node is performed.<DD><DL>
<DT><B>Parameters:</B><DD><CODE>xctxt</CODE> - The XPath execution context.<DT><B>Returns:</B><DD>An XNodeSet reference that holds this iterator.<DT><B>Throws:</B><DD><A HREF="../../../../javax/xml/transform/TransformerException.html">TransformerException</A> - <DT><B>Overrides:</B><DD><A HREF="../../../../org/apache/xpath/patterns/NodeTest.html#execute(org.apache.xpath.XPathContext)">execute</A> in class <A HREF="../../../../org/apache/xpath/patterns/NodeTest.html">NodeTest</A></DL>
</DD>
</DL>
<HR>
<A NAME="setIsTopLevel(boolean)"><!-- --></A><H3>
setIsTopLevel</H3>
<PRE>
public void <B>setIsTopLevel</B>(boolean b)</PRE>
<DL>
<DD><i><font size="-1" color="#00FF00">**For advanced use only** </font></i><meta name="usage" content="advanced"/>
Set if this is an iterator at the upper level of
the XPath.<DD><DL>
<DT><B>Parameters:</B><DD><CODE>b</CODE> - true if this location path is at the top level of the
expression.</DL>
</DD>
</DL>
<HR>
<A NAME="getIsTopLevel()"><!-- --></A><H3>
getIsTopLevel</H3>
<PRE>
public boolean <B>getIsTopLevel</B>()</PRE>
<DL>
<DD><i><font size="-1" color="#00FF00">**For advanced use only** </font></i><meta name="usage" content="advanced"/>
Get if this is an iterator at the upper level of
the XPath.<DD><DL>
<DT><B>Returns:</B><DD>true if this location path is at the top level of the
expression.</DL>
</DD>
</DL>
<HR>
<A NAME="initContext(org.apache.xpath.XPathContext)"><!-- --></A><H3>
initContext</H3>
<PRE>
public void <B>initContext</B>(<A HREF="../../../../org/apache/xpath/XPathContext.html">XPathContext</A> execContext)</PRE>
<DL>
<DD>Initialize the context values for this expression
after it is cloned.<DD><DL>
<DT><B>Parameters:</B><DD><CODE>execContext</CODE> - The XPath runtime context for this
transformation.</DL>
</DD>
</DL>
<HR>
<A NAME="getCurrentPos()"><!-- --></A><H3>
getCurrentPos</H3>
<PRE>
public final int <B>getCurrentPos</B>()</PRE>
<DL>
<DD>Get the current position, which is one less than
the next nextNode() call will retrieve. i.e. if
you call getCurrentPos() and the return is 0, the next
fetch will take place at index 1.<DD><DL>
<DT><B>Specified by: </B><DD><A HREF="../../../../org/apache/xpath/axes/ContextNodeList.html#getCurrentPos()">getCurrentPos</A> in interface <A HREF="../../../../org/apache/xpath/axes/ContextNodeList.html">ContextNodeList</A><DT><B>Returns:</B><DD>A value greater than or equal to zero that indicates the next
node position to fetch.</DL>
</DD>
</DL>
<HR>
<A NAME="setShouldCacheNodes(boolean)"><!-- --></A><H3>
setShouldCacheNodes</H3>
<PRE>
public void <B>setShouldCacheNodes</B>(boolean b)</PRE>
<DL>
<DD>If setShouldCacheNodes(true) is called, then nodes will
be cached. They are not cached by default.<DD><DL>
<DT><B>Specified by: </B><DD><A HREF="../../../../org/apache/xpath/axes/ContextNodeList.html#setShouldCacheNodes(boolean)">setShouldCacheNodes</A> in interface <A HREF="../../../../org/apache/xpath/axes/ContextNodeList.html">ContextNodeList</A><DT><B>Parameters:</B><DD><CODE>b</CODE> - True if this iterator should cache nodes.</DL>
</DD>
</DL>
<HR>
<A NAME="getCachedNodes()"><!-- --></A><H3>
getCachedNodes</H3>
<PRE>
public <A HREF="../../../../org/apache/xpath/NodeSet.html">NodeSet</A> <B>getCachedNodes</B>()</PRE>
<DL>
<DD>Get cached nodes.<DD><DL>
<DT><B>Returns:</B><DD>Cached nodes.</DL>
</DD>
</DL>
<HR>
<A NAME="setCurrentPos(int)"><!-- --></A><H3>
setCurrentPos</H3>
<PRE>
public void <B>setCurrentPos</B>(int i)</PRE>
<DL>
<DD>Set the current position in the node set.<DD><DL>
<DT><B>Specified by: </B><DD><A HREF="../../../../org/apache/xpath/axes/ContextNodeList.html#setCurrentPos(int)">setCurrentPos</A> in interface <A HREF="../../../../org/apache/xpath/axes/ContextNodeList.html">ContextNodeList</A><DT><B>Parameters:</B><DD><CODE>i</CODE> - Must be a valid index greater
than or equal to zero and less than m_cachedNodes.size().</DL>
</DD>
</DL>
<HR>
<A NAME="size()"><!-- --></A><H3>
size</H3>
<PRE>
public int <B>size</B>()</PRE>
<DL>
<DD>Get the length of the cached nodes.
<p>Note: for the moment at least, this only returns
the size of the nodes that have been fetched to date,
it doesn't attempt to run to the end to make sure we
have found everything. This should be reviewed.</p><DD><DL>
<DT><B>Specified by: </B><DD><A HREF="../../../../org/apache/xpath/axes/ContextNodeList.html#size()">size</A> in interface <A HREF="../../../../org/apache/xpath/axes/ContextNodeList.html">ContextNodeList</A><DT><B>Returns:</B><DD>The size of the current cache list.</DL>
</DD>
</DL>
<HR>
<A NAME="item(int)"><!-- --></A><H3>
item</H3>
<PRE>
public <A HREF="../../../../org/w3c/dom/Node.html">Node</A> <B>item</B>(int index)</PRE>
<DL>
<DD>Returns the <code>index</code> th item in the collection. If
<code>index</code> is greater than or equal to the number of nodes in
the list, this returns <code>null</code> .<DD><DL>
<DT><B>Specified by: </B><DD><A HREF="../../../../org/w3c/dom/NodeList.html#item(int)">item</A> in interface <A HREF="../../../../org/w3c/dom/NodeList.html">NodeList</A><DT><B>Parameters:</B><DD><CODE>index</CODE> - Index into the collection.<DT><B>Returns:</B><DD>The node at the <code>index</code> th position in the
<code>NodeList</code> , or <code>null</code> if that is not a valid
index.</DL>
</DD>
</DL>
<HR>
<A NAME="getLength()"><!-- --></A><H3>
getLength</H3>
<PRE>
public int <B>getLength</B>()</PRE>
<DL>
<DD>The number of nodes in the list. The range of valid child node indices
is 0 to <code>length-1</code> inclusive.<DD><DL>
<DT><B>Specified by: </B><DD><A HREF="../../../../org/w3c/dom/NodeList.html#getLength()">getLength</A> in interface <A HREF="../../../../org/w3c/dom/NodeList.html">NodeList</A><DT><B>Returns:</B><DD>The number of nodes in the list, always greater or equal to zero.</DL>
</DD>
</DL>
<HR>
<A NAME="isFresh()"><!-- --></A><H3>
isFresh</H3>
<PRE>
public boolean <B>isFresh</B>()</PRE>
<DL>
<DD>Tells if this NodeSet is "fresh", in other words, if
the first nextNode() that is called will return the
first node in the set.<DD><DL>
<DT><B>Specified by: </B><DD><A HREF="../../../../org/apache/xpath/axes/ContextNodeList.html#isFresh()">isFresh</A> in interface <A HREF="../../../../org/apache/xpath/axes/ContextNodeList.html">ContextNodeList</A><DT><B>Returns:</B><DD>true of nextNode has not been called.</DL>
</DD>
</DL>
<HR>
<A NAME="previousNode()"><!-- --></A><H3>
previousNode</H3>
<PRE>
public <A HREF="../../../../org/w3c/dom/Node.html">Node</A> <B>previousNode</B>()
throws <A HREF="../../../../org/w3c/dom/DOMException.html">DOMException</A></PRE>
<DL>
<DD>Returns the previous node in the set and moves the position of the
iterator backwards in the set.<DD><DL>
<DT><B>Specified by: </B><DD><A HREF="../../../../org/w3c/dom/traversal/NodeIterator.html#previousNode()">previousNode</A> in interface <A HREF="../../../../org/w3c/dom/traversal/NodeIterator.html">NodeIterator</A><DT><B>Returns:</B><DD>The previous <code>Node</code> in the set being iterated over,
or<code>null</code> if there are no more members in that set.<DT><B>Throws:</B><DD><A HREF="../../../../org/w3c/dom/DOMException.html">DOMException</A> - INVALID_STATE_ERR: Raised if this method is called after the
<code>detach</code> method was invoked.</DL>
</DD>
</DL>
<HR>
<A NAME="getWhatToShow()"><!-- --></A><H3>
getWhatToShow</H3>
<PRE>
public int <B>getWhatToShow</B>()</PRE>
<DL>
<DD>This attribute determines which node types are presented via the
iterator. The available set of constants is defined in the
<code>NodeFilter</code> interface.
<p>This is somewhat useless at this time, since it doesn't
really return information that tells what this iterator will
show. It is here only to fullfill the DOM NodeIterator
interface.</p><DD><DL>
<DT><B>Specified by: </B><DD><A HREF="../../../../org/w3c/dom/traversal/NodeIterator.html#getWhatToShow()">getWhatToShow</A> in interface <A HREF="../../../../org/w3c/dom/traversal/NodeIterator.html">NodeIterator</A><DT><B>Returns:</B><DD>For now, always NodeFilter.SHOW_ALL & ~NodeFilter.SHOW_ENTITY_REFERENCE.<DT><B>Overrides:</B><DD><A HREF="../../../../org/apache/xpath/patterns/NodeTest.html#getWhatToShow()">getWhatToShow</A> in class <A HREF="../../../../org/apache/xpath/patterns/NodeTest.html">NodeTest</A><DT><B>See Also: </B><DD><A HREF="../../../../org/w3c/dom/traversal/NodeIterator.html"><CODE>NodeIterator</CODE></A></DL>
</DD>
</DL>
<HR>
<A NAME="getFilter()"><!-- --></A><H3>
getFilter</H3>
<PRE>
public <A HREF="../../../../org/w3c/dom/traversal/NodeFilter.html">NodeFilter</A> <B>getFilter</B>()</PRE>
<DL>
<DD>The filter used to screen nodes. Not used at this time,
this is here only to fullfill the DOM NodeIterator
interface.<DD><DL>
<DT><B>Specified by: </B><DD><A HREF="../../../../org/w3c/dom/traversal/NodeIterator.html#getFilter()">getFilter</A> in interface <A HREF="../../../../org/w3c/dom/traversal/NodeIterator.html">NodeIterator</A><DT><B>Returns:</B><DD>Always null.<DT><B>See Also: </B><DD><A HREF="../../../../org/w3c/dom/traversal/NodeIterator.html"><CODE>NodeIterator</CODE></A></DL>
</DD>
</DL>
<HR>
<A NAME="getRoot()"><!-- --></A><H3>
getRoot</H3>
<PRE>
public <A HREF="../../../../org/w3c/dom/Node.html">Node</A> <B>getRoot</B>()</PRE>
<DL>
<DD>The root node of the Iterator, as specified when it was created.<DD><DL>
<DT><B>Specified by: </B><DD><A HREF="../../../../org/w3c/dom/traversal/NodeIterator.html#getRoot()">getRoot</A> in interface <A HREF="../../../../org/w3c/dom/traversal/NodeIterator.html">NodeIterator</A><DT><B>Returns:</B><DD>The "root" of this iterator, which, in XPath terms,
is the node context for this iterator.</DL>
</DD>
</DL>
<HR>
<A NAME="getExpandEntityReferences()"><!-- --></A><H3>
getExpandEntityReferences</H3>
<PRE>
public boolean <B>getExpandEntityReferences</B>()</PRE>
<DL>
<DD>The value of this flag determines whether the children of entity
reference nodes are visible to the iterator. If false, they will be
skipped over.
<br> To produce a view of the document that has entity references
expanded and does not expose the entity reference node itself, use the
whatToShow flags to hide the entity reference node and set
expandEntityReferences to true when creating the iterator. To produce
a view of the document that has entity reference nodes but no entity
expansion, use the whatToShow flags to show the entity reference node
and set expandEntityReferences to false.<DD><DL>
<DT><B>Specified by: </B><DD><A HREF="../../../../org/w3c/dom/traversal/NodeIterator.html#getExpandEntityReferences()">getExpandEntityReferences</A> in interface <A HREF="../../../../org/w3c/dom/traversal/NodeIterator.html">NodeIterator</A><DT><B>Returns:</B><DD>Always true, since entity reference nodes are not
visible in the XPath model.</DL>
</DD>
</DL>
<HR>
<A NAME="detach()"><!-- --></A><H3>
detach</H3>
<PRE>
public void <B>detach</B>()</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.<DD><DL>
<DT><B>Specified by: </B><DD><A HREF="../../../../org/w3c/dom/traversal/NodeIterator.html#detach()">detach</A> in interface <A HREF="../../../../org/w3c/dom/traversal/NodeIterator.html">NodeIterator</A></DL>
</DD>
</DL>
<HR>
<A NAME="cloneWithReset()"><!-- --></A><H3>
cloneWithReset</H3>
<PRE>
public <A HREF="../../../../org/w3c/dom/traversal/NodeIterator.html">NodeIterator</A> <B>cloneWithReset</B>()
throws java.lang.CloneNotSupportedException</PRE>
<DL>
<DD>Get a cloned Iterator that is reset to the beginning
of the query.<DD><DL>
<DT><B>Specified by: </B><DD><A HREF="../../../../org/apache/xpath/axes/ContextNodeList.html#cloneWithReset()">cloneWithReset</A> in interface <A HREF="../../../../org/apache/xpath/axes/ContextNodeList.html">ContextNodeList</A><DT><B>Returns:</B><DD>A cloned NodeIterator set of the start of the query.<DT><B>Throws:</B><DD>java.lang.CloneNotSupportedException - </DL>
</DD>
</DL>
<HR>
<A NAME="clone()"><!-- --></A><H3>
clone</H3>
<PRE>
public java.lang.Object <B>clone</B>()
throws java.lang.CloneNotSupportedException</PRE>
<DL>
<DD>Get a cloned LocPathIterator that holds the same
position as this iterator.<DD><DL>
<DT><B>Specified by: </B><DD><A HREF="../../../../org/apache/xpath/axes/ContextNodeList.html#clone()">clone</A> in interface <A HREF="../../../../org/apache/xpath/axes/ContextNodeList.html">ContextNodeList</A><DT><B>Returns:</B><DD>A clone of this iterator that holds the same node position.<DT><B>Throws:</B><DD>java.lang.CloneNotSupportedException - <DT><B>Overrides:</B><DD><A HREF="../../../../org/apache/xpath/axes/PredicatedNodeTest.html#clone()">clone</A> in class <A HREF="../../../../org/apache/xpath/axes/PredicatedNodeTest.html">PredicatedNodeTest</A></DL>
</DD>
</DL>
<HR>
<A NAME="reset()"><!-- --></A><H3>
reset</H3>
<PRE>
public void <B>reset</B>()</PRE>
<DL>
<DD>Reset the iterator.<DD><DL>
<DT><B>Specified by: </B><DD><A HREF="../../../../org/apache/xpath/axes/ContextNodeList.html#reset()">reset</A> in interface <A HREF="../../../../org/apache/xpath/axes/ContextNodeList.html">ContextNodeList</A></DL>
</DD>
</DL>
<HR>
<A NAME="nextNode()"><!-- --></A><H3>
nextNode</H3>
<PRE>
public <A HREF="../../../../org/w3c/dom/Node.html">Node</A> <B>nextNode</B>()
throws <A HREF="../../../../org/w3c/dom/DOMException.html">DOMException</A></PRE>
<DL>
<DD>Returns the next node in the set and advances the position of the
iterator in the set. After a NodeIterator is created, the first call
to nextNode() returns the first node in the set.<DD><DL>
<DT><B>Specified by: </B><DD><A HREF="../../../../org/w3c/dom/traversal/NodeIterator.html#nextNode()">nextNode</A> in interface <A HREF="../../../../org/w3c/dom/traversal/NodeIterator.html">NodeIterator</A><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.<DT><B>Throws:</B><DD><A HREF="../../../../org/w3c/dom/DOMException.html">DOMException</A> - INVALID_STATE_ERR: Raised if this method is called after the
<code>detach</code> method was invoked.</DL>
</DD>
</DL>
<HR>
<A NAME="getCurrentNode()"><!-- --></A><H3>
getCurrentNode</H3>
<PRE>
public <A HREF="../../../../org/w3c/dom/Node.html">Node</A> <B>getCurrentNode</B>()</PRE>
<DL>
<DD>Return the last fetched node. Needed to support the UnionPathIterator.<DD><DL>
<DT><B>Specified by: </B><DD><A HREF="../../../../org/apache/xpath/axes/ContextNodeList.html#getCurrentNode()">getCurrentNode</A> in interface <A HREF="../../../../org/apache/xpath/axes/ContextNodeList.html">ContextNodeList</A><DT><B>Returns:</B><DD>The last fetched node, or null if the last fetch was null.</DL>
</DD>
</DL>
<HR>
<A NAME="runTo(int)"><!-- --></A><H3>
runTo</H3>
<PRE>
public void <B>runTo</B>(int index)</PRE>
<DL>
<DD>If an index is requested, NodeSet will call this method
to run the iterator to the index. By default this sets
m_next to the index. If the index argument is -1, this
signals that the iterator should be run to the end.<DD><DL>
<DT><B>Specified by: </B><DD><A HREF="../../../../org/apache/xpath/axes/ContextNodeList.html#runTo(int)">runTo</A> in interface <A HREF="../../../../org/apache/xpath/axes/ContextNodeList.html">ContextNodeList</A><DT><B>Parameters:</B><DD><CODE>index</CODE> - The index to run to, or -1 if the iterator
should run to the end.</DL>
</DD>
</DL>
<HR>
<A NAME="getFirstWalker()"><!-- --></A><H3>
getFirstWalker</H3>
<PRE>
public final <A HREF="../../../../org/apache/xpath/axes/AxesWalker.html">AxesWalker</A> <B>getFirstWalker</B>()</PRE>
<DL>
<DD><i><font size="-1" color="#00FF00">**For advanced use only** </font></i><meta name="usage" content="advanced"/>
Get the head of the walker list.<DD><DL>
<DT><B>Returns:</B><DD>The head of the walker list, or null
if this iterator does not implement walkers.</DL>
</DD>
</DL>
<HR>
<A NAME="setLastUsedWalker(org.apache.xpath.axes.AxesWalker)"><!-- --></A><H3>
setLastUsedWalker</H3>
<PRE>
public final void <B>setLastUsedWalker</B>(<A HREF="../../../../org/apache/xpath/axes/AxesWalker.html">AxesWalker</A> walker)</PRE>
<DL>
<DD><i><font size="-1" color="#00FF00">**For advanced use only** </font></i><meta name="usage" content="advanced"/>
Set the last used walker.<DD><DL>
<DT><B>Parameters:</B><DD><CODE>walker</CODE> - The last used walker, or null.</DL>
</DD>
</DL>
<HR>
<A NAME="getLastUsedWalker()"><!-- --></A><H3>
getLastUsedWalker</H3>
<PRE>
public final <A HREF="../../../../org/apache/xpath/axes/AxesWalker.html">AxesWalker</A> <B>getLastUsedWalker</B>()</PRE>
<DL>
<DD><i><font size="-1" color="#00FF00">**For advanced use only** </font></i><meta name="usage" content="advanced"/>
Get the last used walker.<DD><DL>
<DT><B>Returns:</B><DD>The last used walker, or null.</DL>
</DD>
</DL>
<HR>
<A NAME="addToWaitList(org.apache.xpath.axes.AxesWalker)"><!-- --></A><H3>
addToWaitList</H3>
<PRE>
public final void <B>addToWaitList</B>(<A HREF="../../../../org/apache/xpath/axes/AxesWalker.html">AxesWalker</A> walker)</PRE>
<DL>
<DD><i><font size="-1" color="#00FF00">**For advanced use only** </font></i><meta name="usage" content="advanced"/>
Add a walker to the waiting list.<DD><DL>
<DT><B>Parameters:</B><DD><CODE>walker</CODE> - A walker that is waiting for
other step walkers to complete, before it can
continue.<DT><B>See Also: </B><DD><A HREF="../../../../org/apache/xpath/axes/AxesWalker.html"><CODE>AxesWalker</CODE></A></DL>
</DD>
</DL>
<HR>
<A NAME="removeFromWaitList(org.apache.xpath.axes.AxesWalker)"><!-- --></A><H3>
removeFromWaitList</H3>
<PRE>
public final void <B>removeFromWaitList</B>(<A HREF="../../../../org/apache/xpath/axes/AxesWalker.html">AxesWalker</A> walker)</PRE>
<DL>
<DD><i><font size="-1" color="#00FF00">**For advanced use only** </font></i><meta name="usage" content="advanced"/>
Remove a walker from the waiting list.<DD><DL>
<DT><B>Parameters:</B><DD><CODE>walker</CODE> - A walker that is no longer waiting.<DT><B>See Also: </B><DD><A HREF="../../../../org/apache/xpath/axes/AxesWalker.html"><CODE>AxesWalker</CODE></A></DL>
</DD>
</DL>
<HR>
<A NAME="getFoundLast()"><!-- --></A><H3>
getFoundLast</H3>
<PRE>
public final boolean <B>getFoundLast</B>()</PRE>
<DL>
<DD>Tells if we've found the last node yet.<DD><DL>
<DT><B>Returns:</B><DD>true if the last nextNode returned null.</DL>
</DD>
</DL>
<HR>
<A NAME="getXPathContext()"><!-- --></A><H3>
getXPathContext</H3>
<PRE>
public final <A HREF="../../../../org/apache/xpath/XPathContext.html">XPathContext</A> <B>getXPathContext</B>()</PRE>
<DL>
<DD>The XPath execution context we are operating on.<DD><DL>
<DT><B>Returns:</B><DD>XPath execution context this iterator is operating on,
or null if initContext has not been called.</DL>
</DD>
</DL>
<HR>
<A NAME="getDOMHelper()"><!-- --></A><H3>
getDOMHelper</H3>
<PRE>
public final <A HREF="../../../../org/apache/xpath/DOMHelper.html">DOMHelper</A> <B>getDOMHelper</B>()</PRE>
<DL>
<DD>The DOM helper for the given context;<DD><DL>
<DT><B>Returns:</B><DD>The DOMHelper that should be used,
or null if initContext has not been called.</DL>
</DD>
</DL>
<HR>
<A NAME="getContext()"><!-- --></A><H3>
getContext</H3>
<PRE>
public final <A HREF="../../../../org/w3c/dom/Node.html">Node</A> <B>getContext</B>()</PRE>
<DL>
<DD>The node context for the iterator.<DD><DL>
<DT><B>Returns:</B><DD>The node context, same as getRoot().</DL>
</DD>
</DL>
<HR>
<A NAME="getCurrentContextNode()"><!-- --></A><H3>
getCurrentContextNode</H3>
<PRE>
public final <A HREF="../../../../org/w3c/dom/Node.html">Node</A> <B>getCurrentContextNode</B>()</PRE>
<DL>
<DD>The node context from where the expression is being
executed from (i.e. for current() support).<DD><DL>
<DT><B>Returns:</B><DD>The top-level node context of the entire expression.</DL>
</DD>
</DL>
<HR>
<A NAME="setCurrentContextNode(org.w3c.dom.Node)"><!-- --></A><H3>
setCurrentContextNode</H3>
<PRE>
public final void <B>setCurrentContextNode</B>(<A HREF="../../../../org/w3c/dom/Node.html">Node</A> n)</PRE>
<DL>
<DD>Set the current context node for this iterator.<DD><DL>
<DT><B>Parameters:</B><DD><CODE>n</CODE> - Must be a non-null reference to the node context.</DL>
</DD>
</DL>
<HR>
<A NAME="getPrefixResolver()"><!-- --></A><H3>
getPrefixResolver</H3>
<PRE>
public final <A HREF="../../../../org/apache/xml/utils/PrefixResolver.html">PrefixResolver</A> <B>getPrefixResolver</B>()</PRE>
<DL>
<DD>Return the saved reference to the prefix resolver that
was in effect when this iterator was created.<DD><DL>
<DT><B>Returns:</B><DD>The prefix resolver or this iterator, which may be null.</DL>
</DD>
</DL>
<HR>
<A NAME="getLast()"><!-- --></A><H3>
getLast</H3>
<PRE>
public int <B>getLast</B>()</PRE>
<DL>
<DD>Get the index of the last node in the iteration.<DD><DL>
<DT><B>Specified by: </B><DD><A HREF="../../../../org/apache/xpath/axes/ContextNodeList.html#getLast()">getLast</A> in interface <A HREF="../../../../org/apache/xpath/axes/ContextNodeList.html">ContextNodeList</A><DT><B>Returns:</B><DD>the index of the last node in the iteration.</DL>
</DD>
</DL>
<HR>
<A NAME="setLast(int)"><!-- --></A><H3>
setLast</H3>
<PRE>
public void <B>setLast</B>(int last)</PRE>
<DL>
<DD>Set the index of the last node in the iteration.<DD><DL>
<DT><B>Specified by: </B><DD><A HREF="../../../../org/apache/xpath/axes/ContextNodeList.html#setLast(int)">setLast</A> in interface <A HREF="../../../../org/apache/xpath/axes/ContextNodeList.html">ContextNodeList</A><DT><B>Parameters:</B><DD><CODE>last</CODE> - the index of the last node in the iteration.</DL>
</DD>
</DL>
<HR>
<A NAME="getLastPos(org.apache.xpath.XPathContext)"><!-- --></A><H3>
getLastPos</H3>
<PRE>
public int <B>getLastPos</B>(<A HREF="../../../../org/apache/xpath/XPathContext.html">XPathContext</A> xctxt)</PRE>
<DL>
<DD>Get the index of the last node that can be itterated to.
This probably will need to be overridded by derived classes.<DD><DL>
<DT><B>Parameters:</B><DD><CODE>xctxt</CODE> - XPath runtime context.<DT><B>Returns:</B><DD>the index of the last node that can be itterated to.<DT><B>Overrides:</B><DD><A HREF="../../../../org/apache/xpath/axes/PredicatedNodeTest.html#getLastPos(org.apache.xpath.XPathContext)">getLastPos</A> in class <A HREF="../../../../org/apache/xpath/axes/PredicatedNodeTest.html">PredicatedNodeTest</A></DL>
</DD>
</DL>
<HR>
<A NAME="canTraverseOutsideSubtree()"><!-- --></A><H3>
canTraverseOutsideSubtree</H3>
<PRE>
public boolean <B>canTraverseOutsideSubtree</B>()</PRE>
<DL>
<DD>Tell if this expression or it's subexpressions can traverse outside
the current subtree.<DD><DL>
<DT><B>Returns:</B><DD>true if traversal outside the context node's subtree can occur.<DT><B>Overrides:</B><DD><A HREF="../../../../org/apache/xpath/axes/PredicatedNodeTest.html#canTraverseOutsideSubtree()">canTraverseOutsideSubtree</A> in class <A HREF="../../../../org/apache/xpath/axes/PredicatedNodeTest.html">PredicatedNodeTest</A></DL>
</DD>
</DL>
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