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ItemTypePattern
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net.sf.saxon.pattern</FONT>
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Class ItemTypePattern</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.ItemTypePattern</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>ItemTypePattern</B><DT>extends <A HREF="../../../../net/sf/saxon/pattern/Pattern.html" title="class in net.sf.saxon.pattern">Pattern</A></DL>
</PRE>
<P>
A ItemTypePattern is a pattern that consists simply of an ItemType. In the past the ItemType
was always a NodeTest, but XSLT 3.0 introduces the ability for a pattern to also match atomic
values.
<P>
<P>
<DL>
<DT><B>Author:</B></DT>
<DD>Michael H. Kay</DD>
<DT><B>See Also:</B><DD><A HREF="../../../../serialized-form.html#net.sf.saxon.pattern.ItemTypePattern">Serialized Form</A></DL>
<HR>
<P>
<!-- ======== CONSTRUCTOR SUMMARY ======== -->
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<TD><CODE><B><A HREF="../../../../net/sf/saxon/pattern/ItemTypePattern.html#ItemTypePattern(net.sf.saxon.type.ItemType)">ItemTypePattern</A></B>(<A HREF="../../../../net/sf/saxon/type/ItemType.html" title="interface in net.sf.saxon.type">ItemType</A> test)</CODE>
<BR>
Create an ItemTypePattern that matches all items of a given type</TD>
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<B>Method Summary</B></FONT></TH>
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../net/sf/saxon/pattern/ItemTypePattern.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> other)</CODE>
<BR>
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> double</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../net/sf/saxon/pattern/ItemTypePattern.html#getDefaultPriority()">getDefaultPriority</A></B>()</CODE>
<BR>
Determine the default priority of this item type test when used on its own as a Pattern</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="../../../../net/sf/saxon/pattern/ItemTypePattern.html#getFingerprint()">getFingerprint</A></B>()</CODE>
<BR>
Determine the name fingerprint 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> <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/ItemTypePattern.html#getItemType()">getItemType</A></B>()</CODE>
<BR>
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> int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../net/sf/saxon/pattern/ItemTypePattern.html#getNodeKind()">getNodeKind</A></B>()</CODE>
<BR>
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> int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../net/sf/saxon/pattern/ItemTypePattern.html#hashCode()">hashCode</A></B>()</CODE>
<BR>
Hashcode supporting equals()</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="../../../../net/sf/saxon/pattern/ItemTypePattern.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> item,
<A HREF="../../../../net/sf/saxon/expr/XPathContext.html" title="interface in net.sf.saxon.expr">XPathContext</A> context)</CODE>
<BR>
Determine whether this Pattern matches the given Node.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> <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></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../net/sf/saxon/pattern/ItemTypePattern.html#toString()">toString</A></B>()</CODE>
<BR>
Display the pattern for diagnostics</TD>
</TR>
</TABLE>
<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#allocateSlots(net.sf.saxon.expr.StaticContext, net.sf.saxon.expr.instruct.SlotManager, int)">allocateSlots</A>, <A HREF="../../../../net/sf/saxon/pattern/Pattern.html#analyze(net.sf.saxon.expr.parser.ExpressionVisitor, net.sf.saxon.expr.parser.ExpressionVisitor.ContextItemType)">analyze</A>, <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#getDependencies()">getDependencies</A>, <A HREF="../../../../net/sf/saxon/pattern/Pattern.html#getExecutable()">getExecutable</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#iterateSubExpressions()">iterateSubExpressions</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#matchesBeneathAnchor(net.sf.saxon.om.NodeInfo, net.sf.saxon.om.NodeInfo, net.sf.saxon.expr.XPathContext)">matchesBeneathAnchor</A>, <A HREF="../../../../net/sf/saxon/pattern/Pattern.html#promote(net.sf.saxon.expr.parser.PromotionOffer, net.sf.saxon.expr.Expression)">promote</A>, <A HREF="../../../../net/sf/saxon/pattern/Pattern.html#replaceSubExpression(net.sf.saxon.expr.Expression, net.sf.saxon.expr.Expression)">replaceSubExpression</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#setExecutable(net.sf.saxon.expr.instruct.Executable)">setExecutable</A>, <A HREF="../../../../net/sf/saxon/pattern/Pattern.html#setLineNumber(int)">setLineNumber</A>, <A HREF="../../../../net/sf/saxon/pattern/Pattern.html#setOriginalText(java.lang.String)">setOriginalText</A>, <A HREF="../../../../net/sf/saxon/pattern/Pattern.html#setSystemId(java.lang.String)">setSystemId</A>, <A HREF="../../../../net/sf/saxon/pattern/Pattern.html#simplify(net.sf.saxon.expr.parser.ExpressionVisitor)">simplify</A></CODE></TD>
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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>
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<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>
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<!-- ========= CONSTRUCTOR DETAIL ======== -->
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<A NAME="ItemTypePattern(net.sf.saxon.type.ItemType)"><!-- --></A><H3>
ItemTypePattern</H3>
<PRE>
public <B>ItemTypePattern</B>(<A HREF="../../../../net/sf/saxon/type/ItemType.html" title="interface in net.sf.saxon.type">ItemType</A> test)</PRE>
<DL>
<DD>Create an ItemTypePattern that matches all items of a given type
<P>
<DL>
<DT><B>Parameters:</B><DD><CODE>test</CODE> - the type that the items must satisfy for the pattern to match</DL>
</DL>
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<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> item,
<A HREF="../../../../net/sf/saxon/expr/XPathContext.html" title="interface in net.sf.saxon.expr">XPathContext</A> context)</PRE>
<DL>
<DD>Determine whether this Pattern matches the given Node. This is the main external interface
for matching patterns: it sets current() to the node being tested
<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 NodeInfo representing the Element or other node to be tested against the Pattern<DD><CODE>context</CODE> - The context in which the match is to take place. Only relevant if the pattern
uses variables, or contains calls on functions such as document() or key(). Not used (and can be
set to null) in the case of patterns that are NodeTests
<DT><B>Returns:</B><DD>true if the node matches the Pattern, false otherwise</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="getDefaultPriority()"><!-- --></A><H3>
getDefaultPriority</H3>
<PRE>
public final double <B>getDefaultPriority</B>()</PRE>
<DL>
<DD>Determine the default priority of this item type test when used on its own as a Pattern
<P>
<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../../../net/sf/saxon/pattern/Pattern.html#getDefaultPriority()">getDefaultPriority</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 default priority for the pattern</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. For patterns that
do not match nodes, return -1.
<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="getFingerprint()"><!-- --></A><H3>
getFingerprint</H3>
<PRE>
public int <B>getFingerprint</B>()</PRE>
<DL>
<DD>Determine the name fingerprint of nodes to which this pattern applies. Used for
optimisation.
<P>
<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../../../net/sf/saxon/pattern/Pattern.html#getFingerprint()">getFingerprint</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>A fingerprint that the nodes must match, or -1 if it can match multiple fingerprints</DL>
</DD>
</DL>
<HR>
<A NAME="toString()"><!-- --></A><H3>
toString</H3>
<PRE>
public <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> <B>toString</B>()</PRE>
<DL>
<DD>Display the pattern for diagnostics
<P>
<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../../../net/sf/saxon/pattern/Pattern.html#toString()">toString</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>
</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> 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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