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saxon-manual-9.4.0.9-2.mga7.noarch.rpm

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ConditionalPattern
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net.sf.saxon.pattern</FONT>
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Class ConditionalPattern</H2>
<PRE>
<A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">java.lang.Object</A>
  <IMG SRC="../../../../resources/inherit.gif" ALT="extended by "><A HREF="../../../../net/sf/saxon/pattern/Pattern.html" title="class in net.sf.saxon.pattern">net.sf.saxon.pattern.Pattern</A>
      <IMG SRC="../../../../resources/inherit.gif" ALT="extended by "><B>net.sf.saxon.pattern.ConditionalPattern</B>
</PRE>
<DL>
<DT><B>All Implemented Interfaces:</B> <DD><A HREF="http://download.oracle.com/javase/6/docs/api/java/io/Serializable.html?is-external=true" title="class or interface in java.io">Serializable</A>, <A HREF="http://download.oracle.com/javase/6/docs/api/javax/xml/transform/SourceLocator.html?is-external=true" title="class or interface in javax.xml.transform">SourceLocator</A>, <A HREF="../../../../net/sf/saxon/expr/Container.html" title="interface in net.sf.saxon.expr">Container</A>, <A HREF="../../../../net/sf/saxon/pattern/PatternFinder.html" title="interface in net.sf.saxon.pattern">PatternFinder</A></DD>
</DL>
<HR>
<DL>
<DT><PRE>public class <B>ConditionalPattern</B><DT>extends <A HREF="../../../../net/sf/saxon/pattern/Pattern.html" title="class in net.sf.saxon.pattern">Pattern</A></DL>
</PRE>

<P>
A ConditionalPattern tests a node against one of a number of patterns depending on the value of a condition.
 This is used only as a streaming selection.
<P>

<P>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../../../serialized-form.html#net.sf.saxon.pattern.ConditionalPattern">Serialized Form</A></DL>
<HR>

<P>

<!-- ======== CONSTRUCTOR SUMMARY ======== -->

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<B>Constructor Summary</B></FONT></TH>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><B><A HREF="../../../../net/sf/saxon/pattern/ConditionalPattern.html#ConditionalPattern(net.sf.saxon.expr.Expression[], net.sf.saxon.pattern.Pattern[])">ConditionalPattern</A></B>(<A HREF="../../../../net/sf/saxon/expr/Expression.html" title="class in net.sf.saxon.expr">Expression</A>[]&nbsp;conditions,
                   <A HREF="../../../../net/sf/saxon/pattern/Pattern.html" title="class in net.sf.saxon.pattern">Pattern</A>[]&nbsp;patterns)</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
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<!-- ========== METHOD SUMMARY =========== -->

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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../net/sf/saxon/pattern/ConditionalPattern.html#allocateSlots(net.sf.saxon.expr.StaticContext, net.sf.saxon.expr.instruct.SlotManager, int)">allocateSlots</A></B>(<A HREF="../../../../net/sf/saxon/expr/StaticContext.html" title="interface in net.sf.saxon.expr">StaticContext</A>&nbsp;env,
              <A HREF="../../../../net/sf/saxon/expr/instruct/SlotManager.html" title="class in net.sf.saxon.expr.instruct">SlotManager</A>&nbsp;slotManager,
              int&nbsp;nextFree)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Allocate slots to any variables used within the pattern</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<A HREF="../../../../net/sf/saxon/pattern/Pattern.html" title="class in net.sf.saxon.pattern">Pattern</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../net/sf/saxon/pattern/ConditionalPattern.html#analyze(net.sf.saxon.expr.parser.ExpressionVisitor, net.sf.saxon.expr.parser.ExpressionVisitor.ContextItemType)">analyze</A></B>(<A HREF="../../../../net/sf/saxon/expr/parser/ExpressionVisitor.html" title="class in net.sf.saxon.expr.parser">ExpressionVisitor</A>&nbsp;visitor,
        <A HREF="../../../../net/sf/saxon/expr/parser/ExpressionVisitor.ContextItemType.html" title="class in net.sf.saxon.expr.parser">ExpressionVisitor.ContextItemType</A>&nbsp;contextItemType)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Type-check the pattern.</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="../../../../net/sf/saxon/pattern/ConditionalPattern.html#equals(java.lang.Object)">equals</A></B>(<A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A>&nbsp;other)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Determine whether this pattern is the same as another pattern</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="../../../../net/sf/saxon/pattern/ConditionalPattern.html#getDependencies()">getDependencies</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Get the dependencies of the pattern.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<A HREF="../../../../net/sf/saxon/type/ItemType.html" title="interface in net.sf.saxon.type">ItemType</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../net/sf/saxon/pattern/ConditionalPattern.html#getItemType()">getItemType</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Get a NodeTest that all the nodes matching this pattern must satisfy</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="../../../../net/sf/saxon/pattern/ConditionalPattern.html#getNodeKind()">getNodeKind</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Determine the types of nodes to which this pattern applies.</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="../../../../net/sf/saxon/pattern/ConditionalPattern.html#hashCode()">hashCode</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Hashcode supporting equals()</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<A HREF="http://download.oracle.com/javase/6/docs/api/java/util/Iterator.html?is-external=true" title="class or interface in java.util">Iterator</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../net/sf/saxon/pattern/ConditionalPattern.html#iterateSubExpressions()">iterateSubExpressions</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Iterate over the subexpressions within this pattern</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="../../../../net/sf/saxon/pattern/ConditionalPattern.html#matches(net.sf.saxon.om.Item, net.sf.saxon.expr.XPathContext)">matches</A></B>(<A HREF="../../../../net/sf/saxon/om/Item.html" title="interface in net.sf.saxon.om">Item</A>&nbsp;item,
        <A HREF="../../../../net/sf/saxon/expr/XPathContext.html" title="interface in net.sf.saxon.expr">XPathContext</A>&nbsp;context)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Determine if the supplied node matches the pattern</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="../../../../net/sf/saxon/pattern/ConditionalPattern.html#matchesBeneathAnchor(net.sf.saxon.om.NodeInfo, net.sf.saxon.om.NodeInfo, net.sf.saxon.expr.XPathContext)">matchesBeneathAnchor</A></B>(<A HREF="../../../../net/sf/saxon/om/NodeInfo.html" title="interface in net.sf.saxon.om">NodeInfo</A>&nbsp;node,
                     <A HREF="../../../../net/sf/saxon/om/NodeInfo.html" title="interface in net.sf.saxon.om">NodeInfo</A>&nbsp;anchor,
                     <A HREF="../../../../net/sf/saxon/expr/XPathContext.html" title="interface in net.sf.saxon.expr">XPathContext</A>&nbsp;context)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Determine whether this pattern matches a given Node within the subtree rooted at a given
 anchor node.</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="../../../../net/sf/saxon/pattern/ConditionalPattern.html#promote(net.sf.saxon.expr.parser.PromotionOffer, net.sf.saxon.expr.Expression)">promote</A></B>(<A HREF="../../../../net/sf/saxon/expr/parser/PromotionOffer.html" title="class in net.sf.saxon.expr.parser">PromotionOffer</A>&nbsp;offer,
        <A HREF="../../../../net/sf/saxon/expr/Expression.html" title="class in net.sf.saxon.expr">Expression</A>&nbsp;parent)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Offer promotion for subexpressions within this pattern.</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="../../../../net/sf/saxon/pattern/ConditionalPattern.html#replaceSubExpression(net.sf.saxon.expr.Expression, net.sf.saxon.expr.Expression)">replaceSubExpression</A></B>(<A HREF="../../../../net/sf/saxon/expr/Expression.html" title="class in net.sf.saxon.expr">Expression</A>&nbsp;original,
                     <A HREF="../../../../net/sf/saxon/expr/Expression.html" title="class in net.sf.saxon.expr">Expression</A>&nbsp;replacement)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Replace a subexpression by a replacement subexpression</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="../../../../net/sf/saxon/pattern/ConditionalPattern.html#setExecutable(net.sf.saxon.expr.instruct.Executable)">setExecutable</A></B>(<A HREF="../../../../net/sf/saxon/expr/instruct/Executable.html" title="class in net.sf.saxon.expr.instruct">Executable</A>&nbsp;executable)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Set the executable containing this pattern</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="../../../../net/sf/saxon/pattern/ConditionalPattern.html#setLineNumber(int)">setLineNumber</A></B>(int&nbsp;lineNumber)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Override method to set the line number</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="../../../../net/sf/saxon/pattern/ConditionalPattern.html#setOriginalText(java.lang.String)">setOriginalText</A></B>(<A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A>&nbsp;pattern)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Set the original text</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="../../../../net/sf/saxon/pattern/ConditionalPattern.html#setSystemId(java.lang.String)">setSystemId</A></B>(<A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A>&nbsp;systemId)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Override method to set the system ID</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<A HREF="../../../../net/sf/saxon/pattern/Pattern.html" title="class in net.sf.saxon.pattern">Pattern</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../net/sf/saxon/pattern/ConditionalPattern.html#simplify(net.sf.saxon.expr.parser.ExpressionVisitor)">simplify</A></B>(<A HREF="../../../../net/sf/saxon/expr/parser/ExpressionVisitor.html" title="class in net.sf.saxon.expr.parser">ExpressionVisitor</A>&nbsp;visitor)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Simplify the pattern: perform any context-independent optimisations</TD>
</TR>
</TABLE>
&nbsp;<A NAME="methods_inherited_from_class_net.sf.saxon.pattern.Pattern"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TH ALIGN="left"><B>Methods inherited from class net.sf.saxon.pattern.<A HREF="../../../../net/sf/saxon/pattern/Pattern.html" title="class in net.sf.saxon.pattern">Pattern</A></B></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="../../../../net/sf/saxon/pattern/Pattern.html#getColumnNumber()">getColumnNumber</A>, <A HREF="../../../../net/sf/saxon/pattern/Pattern.html#getContainerGranularity()">getContainerGranularity</A>, <A HREF="../../../../net/sf/saxon/pattern/Pattern.html#getDefaultPriority()">getDefaultPriority</A>, <A HREF="../../../../net/sf/saxon/pattern/Pattern.html#getExecutable()">getExecutable</A>, <A HREF="../../../../net/sf/saxon/pattern/Pattern.html#getFingerprint()">getFingerprint</A>, <A HREF="../../../../net/sf/saxon/pattern/Pattern.html#getHostLanguage()">getHostLanguage</A>, <A HREF="../../../../net/sf/saxon/pattern/Pattern.html#getLineNumber()">getLineNumber</A>, <A HREF="../../../../net/sf/saxon/pattern/Pattern.html#getLocationProvider()">getLocationProvider</A>, <A HREF="../../../../net/sf/saxon/pattern/Pattern.html#getPublicId()">getPublicId</A>, <A HREF="../../../../net/sf/saxon/pattern/Pattern.html#getSystemId()">getSystemId</A>, <A HREF="../../../../net/sf/saxon/pattern/Pattern.html#internalMatches(net.sf.saxon.om.NodeInfo, net.sf.saxon.om.NodeInfo, net.sf.saxon.expr.XPathContext)">internalMatches</A>, <A HREF="../../../../net/sf/saxon/pattern/Pattern.html#make(java.lang.String, net.sf.saxon.expr.StaticContext, net.sf.saxon.expr.instruct.Executable)">make</A>, <A HREF="../../../../net/sf/saxon/pattern/Pattern.html#resolveCurrent(net.sf.saxon.expr.LetExpression, net.sf.saxon.expr.parser.PromotionOffer, boolean)">resolveCurrent</A>, <A HREF="../../../../net/sf/saxon/pattern/Pattern.html#selectNodes(net.sf.saxon.om.DocumentInfo, net.sf.saxon.expr.XPathContext)">selectNodes</A>, <A HREF="../../../../net/sf/saxon/pattern/Pattern.html#toString()">toString</A></CODE></TD>
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<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
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<TH ALIGN="left"><B>Methods inherited from class java.lang.<A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A></B></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#clone()" title="class or interface in java.lang">clone</A>, <A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#finalize()" title="class or interface in java.lang">finalize</A>, <A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#getClass()" title="class or interface in java.lang">getClass</A>, <A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#notify()" title="class or interface in java.lang">notify</A>, <A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#notifyAll()" title="class or interface in java.lang">notifyAll</A>, <A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#wait()" title="class or interface in java.lang">wait</A>, <A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#wait(long)" title="class or interface in java.lang">wait</A>, <A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#wait(long, int)" title="class or interface in java.lang">wait</A></CODE></TD>
</TR>
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&nbsp;
<P>

<!-- ========= CONSTRUCTOR DETAIL ======== -->

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<B>Constructor Detail</B></FONT></TH>
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<A NAME="ConditionalPattern(net.sf.saxon.expr.Expression[], net.sf.saxon.pattern.Pattern[])"><!-- --></A><H3>
ConditionalPattern</H3>
<PRE>
public <B>ConditionalPattern</B>(<A HREF="../../../../net/sf/saxon/expr/Expression.html" title="class in net.sf.saxon.expr">Expression</A>[]&nbsp;conditions,
                          <A HREF="../../../../net/sf/saxon/pattern/Pattern.html" title="class in net.sf.saxon.pattern">Pattern</A>[]&nbsp;patterns)</PRE>
<DL>
</DL>

<!-- ============ METHOD DETAIL ========== -->

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<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
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<A NAME="setExecutable(net.sf.saxon.expr.instruct.Executable)"><!-- --></A><H3>
setExecutable</H3>
<PRE>
public void <B>setExecutable</B>(<A HREF="../../../../net/sf/saxon/expr/instruct/Executable.html" title="class in net.sf.saxon.expr.instruct">Executable</A>&nbsp;executable)</PRE>
<DL>
<DD>Set the executable containing this pattern
<P>
<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../../../net/sf/saxon/pattern/Pattern.html#setExecutable(net.sf.saxon.expr.instruct.Executable)">setExecutable</A></CODE> in class <CODE><A HREF="../../../../net/sf/saxon/pattern/Pattern.html" title="class in net.sf.saxon.pattern">Pattern</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>executable</CODE> - the executable</DL>
</DD>
</DL>
<HR>

<A NAME="simplify(net.sf.saxon.expr.parser.ExpressionVisitor)"><!-- --></A><H3>
simplify</H3>
<PRE>
public <A HREF="../../../../net/sf/saxon/pattern/Pattern.html" title="class in net.sf.saxon.pattern">Pattern</A> <B>simplify</B>(<A HREF="../../../../net/sf/saxon/expr/parser/ExpressionVisitor.html" title="class in net.sf.saxon.expr.parser">ExpressionVisitor</A>&nbsp;visitor)
                 throws <A HREF="../../../../net/sf/saxon/trans/XPathException.html" title="class in net.sf.saxon.trans">XPathException</A></PRE>
<DL>
<DD>Simplify the pattern: perform any context-independent optimisations
<P>
<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../../../net/sf/saxon/pattern/Pattern.html#simplify(net.sf.saxon.expr.parser.ExpressionVisitor)">simplify</A></CODE> in class <CODE><A HREF="../../../../net/sf/saxon/pattern/Pattern.html" title="class in net.sf.saxon.pattern">Pattern</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>visitor</CODE> - an expression visitor
<DT><B>Returns:</B><DD>the optimised Pattern
<DT><B>Throws:</B>
<DD><CODE><A HREF="../../../../net/sf/saxon/trans/XPathException.html" title="class in net.sf.saxon.trans">XPathException</A></CODE></DL>
</DD>
</DL>
<HR>

<A NAME="analyze(net.sf.saxon.expr.parser.ExpressionVisitor, net.sf.saxon.expr.parser.ExpressionVisitor.ContextItemType)"><!-- --></A><H3>
analyze</H3>
<PRE>
public <A HREF="../../../../net/sf/saxon/pattern/Pattern.html" title="class in net.sf.saxon.pattern">Pattern</A> <B>analyze</B>(<A HREF="../../../../net/sf/saxon/expr/parser/ExpressionVisitor.html" title="class in net.sf.saxon.expr.parser">ExpressionVisitor</A>&nbsp;visitor,
                       <A HREF="../../../../net/sf/saxon/expr/parser/ExpressionVisitor.ContextItemType.html" title="class in net.sf.saxon.expr.parser">ExpressionVisitor.ContextItemType</A>&nbsp;contextItemType)
                throws <A HREF="../../../../net/sf/saxon/trans/XPathException.html" title="class in net.sf.saxon.trans">XPathException</A></PRE>
<DL>
<DD>Type-check the pattern.
 This is only needed for patterns that contain variable references or function calls.
<P>
<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../../../net/sf/saxon/pattern/Pattern.html#analyze(net.sf.saxon.expr.parser.ExpressionVisitor, net.sf.saxon.expr.parser.ExpressionVisitor.ContextItemType)">analyze</A></CODE> in class <CODE><A HREF="../../../../net/sf/saxon/pattern/Pattern.html" title="class in net.sf.saxon.pattern">Pattern</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>visitor</CODE> - the expression visitor<DD><CODE>contextItemType</CODE> - the type of the context item at the point where the pattern
 is defined. Set to null if it is known that the context item is undefined.
<DT><B>Returns:</B><DD>the optimised Pattern
<DT><B>Throws:</B>
<DD><CODE><A HREF="../../../../net/sf/saxon/trans/XPathException.html" title="class in net.sf.saxon.trans">XPathException</A></CODE></DL>
</DD>
</DL>
<HR>

<A NAME="promote(net.sf.saxon.expr.parser.PromotionOffer, net.sf.saxon.expr.Expression)"><!-- --></A><H3>
promote</H3>
<PRE>
public void <B>promote</B>(<A HREF="../../../../net/sf/saxon/expr/parser/PromotionOffer.html" title="class in net.sf.saxon.expr.parser">PromotionOffer</A>&nbsp;offer,
                    <A HREF="../../../../net/sf/saxon/expr/Expression.html" title="class in net.sf.saxon.expr">Expression</A>&nbsp;parent)
             throws <A HREF="../../../../net/sf/saxon/trans/XPathException.html" title="class in net.sf.saxon.trans">XPathException</A></PRE>
<DL>
<DD>Offer promotion for subexpressions within this pattern. The offer will be accepted if the subexpression
 is not dependent on the factors (e.g. the context item) identified in the PromotionOffer.
 By default the offer is not accepted - this is appropriate in the case of simple expressions
 such as constant values and variable references where promotion would give no performance
 advantage. This method is always called at compile time.
 <p/>
 <p>Unlike the corresponding method on <A HREF="../../../../net/sf/saxon/expr/Expression.html" title="class in net.sf.saxon.expr"><CODE>Expression</CODE></A>, this method does not return anything:
 it can make internal changes to the pattern, but cannot return a different pattern. Only certain
 kinds of promotion are applicable within a pattern: specifically, promotions affecting local
 variable references within the pattern.
<P>
<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../../../net/sf/saxon/pattern/Pattern.html#promote(net.sf.saxon.expr.parser.PromotionOffer, net.sf.saxon.expr.Expression)">promote</A></CODE> in class <CODE><A HREF="../../../../net/sf/saxon/pattern/Pattern.html" title="class in net.sf.saxon.pattern">Pattern</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>offer</CODE> - details of the offer, for example the offer to move
              expressions that don't depend on the context to an outer level in
              the containing expression<DD><CODE>parent</CODE> - 
<DT><B>Throws:</B>
<DD><CODE><A HREF="../../../../net/sf/saxon/trans/XPathException.html" title="class in net.sf.saxon.trans">XPathException</A></CODE> - if any error is detected</DL>
</DD>
</DL>
<HR>

<A NAME="replaceSubExpression(net.sf.saxon.expr.Expression, net.sf.saxon.expr.Expression)"><!-- --></A><H3>
replaceSubExpression</H3>
<PRE>
public boolean <B>replaceSubExpression</B>(<A HREF="../../../../net/sf/saxon/expr/Expression.html" title="class in net.sf.saxon.expr">Expression</A>&nbsp;original,
                                    <A HREF="../../../../net/sf/saxon/expr/Expression.html" title="class in net.sf.saxon.expr">Expression</A>&nbsp;replacement)</PRE>
<DL>
<DD>Replace a subexpression by a replacement subexpression
<P>
<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../../../net/sf/saxon/pattern/Pattern.html#replaceSubExpression(net.sf.saxon.expr.Expression, net.sf.saxon.expr.Expression)">replaceSubExpression</A></CODE> in class <CODE><A HREF="../../../../net/sf/saxon/pattern/Pattern.html" title="class in net.sf.saxon.pattern">Pattern</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>original</CODE> - the expression to be replaced<DD><CODE>replacement</CODE> - the new expression to be inserted in its place
<DT><B>Returns:</B><DD>true if the replacement was carried out</DL>
</DD>
</DL>
<HR>

<A NAME="setOriginalText(java.lang.String)"><!-- --></A><H3>
setOriginalText</H3>
<PRE>
public void <B>setOriginalText</B>(<A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A>&nbsp;pattern)</PRE>
<DL>
<DD>Set the original text
<P>
<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../../../net/sf/saxon/pattern/Pattern.html#setOriginalText(java.lang.String)">setOriginalText</A></CODE> in class <CODE><A HREF="../../../../net/sf/saxon/pattern/Pattern.html" title="class in net.sf.saxon.pattern">Pattern</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>pattern</CODE> - the original text of the pattern</DL>
</DD>
</DL>
<HR>

<A NAME="allocateSlots(net.sf.saxon.expr.StaticContext, net.sf.saxon.expr.instruct.SlotManager, int)"><!-- --></A><H3>
allocateSlots</H3>
<PRE>
public int <B>allocateSlots</B>(<A HREF="../../../../net/sf/saxon/expr/StaticContext.html" title="interface in net.sf.saxon.expr">StaticContext</A>&nbsp;env,
                         <A HREF="../../../../net/sf/saxon/expr/instruct/SlotManager.html" title="class in net.sf.saxon.expr.instruct">SlotManager</A>&nbsp;slotManager,
                         int&nbsp;nextFree)</PRE>
<DL>
<DD>Allocate slots to any variables used within the pattern
<P>
<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../../../net/sf/saxon/pattern/Pattern.html#allocateSlots(net.sf.saxon.expr.StaticContext, net.sf.saxon.expr.instruct.SlotManager, int)">allocateSlots</A></CODE> in class <CODE><A HREF="../../../../net/sf/saxon/pattern/Pattern.html" title="class in net.sf.saxon.pattern">Pattern</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>env</CODE> - the static context in the XSLT stylesheet<DD><CODE>slotManager</CODE> - <DD><CODE>nextFree</CODE> - the next slot that is free to be allocated @return the next slot that is free to be allocated
<DT><B>Returns:</B><DD>the next slot that is free to be allocated</DL>
</DD>
</DL>
<HR>

<A NAME="matches(net.sf.saxon.om.Item, net.sf.saxon.expr.XPathContext)"><!-- --></A><H3>
matches</H3>
<PRE>
public boolean <B>matches</B>(<A HREF="../../../../net/sf/saxon/om/Item.html" title="interface in net.sf.saxon.om">Item</A>&nbsp;item,
                       <A HREF="../../../../net/sf/saxon/expr/XPathContext.html" title="interface in net.sf.saxon.expr">XPathContext</A>&nbsp;context)
                throws <A HREF="../../../../net/sf/saxon/trans/XPathException.html" title="class in net.sf.saxon.trans">XPathException</A></PRE>
<DL>
<DD>Determine if the supplied node matches the pattern
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../net/sf/saxon/pattern/Pattern.html#matches(net.sf.saxon.om.Item, net.sf.saxon.expr.XPathContext)">matches</A></CODE> in class <CODE><A HREF="../../../../net/sf/saxon/pattern/Pattern.html" title="class in net.sf.saxon.pattern">Pattern</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>item</CODE> - the node to be compared<DD><CODE>context</CODE> - The dynamic context. Only relevant if the pattern
 uses variables, or contains calls on functions such as document() or key().
<DT><B>Returns:</B><DD>true if the node matches either of the operand patterns
<DT><B>Throws:</B>
<DD><CODE><A HREF="../../../../net/sf/saxon/trans/XPathException.html" title="class in net.sf.saxon.trans">XPathException</A></CODE></DL>
</DD>
</DL>
<HR>

<A NAME="matchesBeneathAnchor(net.sf.saxon.om.NodeInfo, net.sf.saxon.om.NodeInfo, net.sf.saxon.expr.XPathContext)"><!-- --></A><H3>
matchesBeneathAnchor</H3>
<PRE>
public boolean <B>matchesBeneathAnchor</B>(<A HREF="../../../../net/sf/saxon/om/NodeInfo.html" title="interface in net.sf.saxon.om">NodeInfo</A>&nbsp;node,
                                    <A HREF="../../../../net/sf/saxon/om/NodeInfo.html" title="interface in net.sf.saxon.om">NodeInfo</A>&nbsp;anchor,
                                    <A HREF="../../../../net/sf/saxon/expr/XPathContext.html" title="interface in net.sf.saxon.expr">XPathContext</A>&nbsp;context)
                             throws <A HREF="../../../../net/sf/saxon/trans/XPathException.html" title="class in net.sf.saxon.trans">XPathException</A></PRE>
<DL>
<DD>Determine whether this pattern matches a given Node within the subtree rooted at a given
 anchor node. This method is used when the pattern is used for streaming.
<P>
<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../../../net/sf/saxon/pattern/Pattern.html#matchesBeneathAnchor(net.sf.saxon.om.NodeInfo, net.sf.saxon.om.NodeInfo, net.sf.saxon.expr.XPathContext)">matchesBeneathAnchor</A></CODE> in class <CODE><A HREF="../../../../net/sf/saxon/pattern/Pattern.html" title="class in net.sf.saxon.pattern">Pattern</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>node</CODE> - The NodeInfo representing the Element or other node to be tested against the Pattern<DD><CODE>anchor</CODE> - The anchor node, which must match any AnchorPattern subpattern<DD><CODE>context</CODE> - The dynamic context. Only relevant if the pattern
                uses variables, or contains calls on functions such as document() or key().
<DT><B>Returns:</B><DD>true if the node matches the Pattern, false otherwise
<DT><B>Throws:</B>
<DD><CODE><A HREF="../../../../net/sf/saxon/trans/XPathException.html" title="class in net.sf.saxon.trans">XPathException</A></CODE></DL>
</DD>
</DL>
<HR>

<A NAME="getNodeKind()"><!-- --></A><H3>
getNodeKind</H3>
<PRE>
public int <B>getNodeKind</B>()</PRE>
<DL>
<DD>Determine the types of nodes to which this pattern applies. Used for optimisation.
 For patterns that match nodes of several types, return Type.NODE
<P>
<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../../../net/sf/saxon/pattern/Pattern.html#getNodeKind()">getNodeKind</A></CODE> in class <CODE><A HREF="../../../../net/sf/saxon/pattern/Pattern.html" title="class in net.sf.saxon.pattern">Pattern</A></CODE></DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>the type of node matched by this pattern. e.g. Type.ELEMENT or Type.TEXT</DL>
</DD>
</DL>
<HR>

<A NAME="getItemType()"><!-- --></A><H3>
getItemType</H3>
<PRE>
public <A HREF="../../../../net/sf/saxon/type/ItemType.html" title="interface in net.sf.saxon.type">ItemType</A> <B>getItemType</B>()</PRE>
<DL>
<DD>Get a NodeTest that all the nodes matching this pattern must satisfy
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../net/sf/saxon/pattern/Pattern.html#getItemType()">getItemType</A></CODE> in class <CODE><A HREF="../../../../net/sf/saxon/pattern/Pattern.html" title="class in net.sf.saxon.pattern">Pattern</A></CODE></DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>an ItemType, as specific as possible, which all the matching items satisfy</DL>
</DD>
</DL>
<HR>

<A NAME="getDependencies()"><!-- --></A><H3>
getDependencies</H3>
<PRE>
public int <B>getDependencies</B>()</PRE>
<DL>
<DD>Get the dependencies of the pattern. The only possible dependency for a pattern is
 on local variables. This is analyzed in those patterns where local variables may appear.
<P>
<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../../../net/sf/saxon/pattern/Pattern.html#getDependencies()">getDependencies</A></CODE> in class <CODE><A HREF="../../../../net/sf/saxon/pattern/Pattern.html" title="class in net.sf.saxon.pattern">Pattern</A></CODE></DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>the dependencies, as a bit-significant mask</DL>
</DD>
</DL>
<HR>

<A NAME="iterateSubExpressions()"><!-- --></A><H3>
iterateSubExpressions</H3>
<PRE>
public <A HREF="http://download.oracle.com/javase/6/docs/api/java/util/Iterator.html?is-external=true" title="class or interface in java.util">Iterator</A> <B>iterateSubExpressions</B>()</PRE>
<DL>
<DD>Iterate over the subexpressions within this pattern
<P>
<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../../../net/sf/saxon/pattern/Pattern.html#iterateSubExpressions()">iterateSubExpressions</A></CODE> in class <CODE><A HREF="../../../../net/sf/saxon/pattern/Pattern.html" title="class in net.sf.saxon.pattern">Pattern</A></CODE></DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>an iterator over the subexpressions.</DL>
</DD>
</DL>
<HR>

<A NAME="setSystemId(java.lang.String)"><!-- --></A><H3>
setSystemId</H3>
<PRE>
public void <B>setSystemId</B>(<A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A>&nbsp;systemId)</PRE>
<DL>
<DD>Override method to set the system ID
<P>
<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../../../net/sf/saxon/pattern/Pattern.html#setSystemId(java.lang.String)">setSystemId</A></CODE> in class <CODE><A HREF="../../../../net/sf/saxon/pattern/Pattern.html" title="class in net.sf.saxon.pattern">Pattern</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>systemId</CODE> - the URI of the module containing the pattern</DL>
</DD>
</DL>
<HR>

<A NAME="setLineNumber(int)"><!-- --></A><H3>
setLineNumber</H3>
<PRE>
public void <B>setLineNumber</B>(int&nbsp;lineNumber)</PRE>
<DL>
<DD>Override method to set the line number
<P>
<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../../../net/sf/saxon/pattern/Pattern.html#setLineNumber(int)">setLineNumber</A></CODE> in class <CODE><A HREF="../../../../net/sf/saxon/pattern/Pattern.html" title="class in net.sf.saxon.pattern">Pattern</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>lineNumber</CODE> - the line number of the pattern in the source module</DL>
</DD>
</DL>
<HR>

<A NAME="equals(java.lang.Object)"><!-- --></A><H3>
equals</H3>
<PRE>
public boolean <B>equals</B>(<A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A>&nbsp;other)</PRE>
<DL>
<DD>Determine whether this pattern is the same as another pattern
<P>
<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#equals(java.lang.Object)" title="class or interface in java.lang">equals</A></CODE> in class <CODE><A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>other</CODE> - the other object</DL>
</DD>
</DL>
<HR>

<A NAME="hashCode()"><!-- --></A><H3>
hashCode</H3>
<PRE>
public int <B>hashCode</B>()</PRE>
<DL>
<DD>Hashcode supporting equals()
<P>
<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#hashCode()" title="class or interface in java.lang">hashCode</A></CODE> in class <CODE><A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A></CODE></DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
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