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RuleManager
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net.sf.saxon.trans</FONT>
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Class RuleManager</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 "><B>net.sf.saxon.trans.RuleManager</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></DD>
</DL>
<HR>
<DL>
<DT><PRE>public final class <B>RuleManager</B><DT>extends <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><DT>implements <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></DL>
</PRE>
<P>
<B>RuleManager</B> maintains a set of template rules, one set for each mode
<P>
<P>
<DL>
<DT><B>Version:</B></DT>
<DD>10 December 1999: carved out of the old Controller class</DD>
<DT><B>Author:</B></DT>
<DD>Michael H. Kay</DD>
<DT><B>See Also:</B><DD><A HREF="../../../../serialized-form.html#net.sf.saxon.trans.RuleManager">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/trans/RuleManager.html#RuleManager()">RuleManager</A></B>()</CODE>
<BR>
create a RuleManager and initialise variables.</TD>
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<!-- ========== METHOD SUMMARY =========== -->
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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> void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../net/sf/saxon/trans/RuleManager.html#computeRankings()">computeRankings</A></B>()</CODE>
<BR>
Allocate rankings to the rules within each mode.</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="../../../../net/sf/saxon/trans/RuleManager.html#explainTemplateRules(net.sf.saxon.trace.ExpressionPresenter)">explainTemplateRules</A></B>(<A HREF="../../../../net/sf/saxon/trace/ExpressionPresenter.html" title="class in net.sf.saxon.trace">ExpressionPresenter</A> presenter)</CODE>
<BR>
Explain (that is, output the expression tree) all template rules</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> <A HREF="../../../../net/sf/saxon/trans/Mode.html" title="class in net.sf.saxon.trans">Mode</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../net/sf/saxon/trans/RuleManager.html#getMode(net.sf.saxon.om.StructuredQName, boolean)">getMode</A></B>(<A HREF="../../../../net/sf/saxon/om/StructuredQName.html" title="class in net.sf.saxon.om">StructuredQName</A> modeName,
boolean createIfAbsent)</CODE>
<BR>
Get the Mode object for a named mode.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> <A HREF="../../../../net/sf/saxon/trans/Rule.html" title="class in net.sf.saxon.trans">Rule</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../net/sf/saxon/trans/RuleManager.html#getNextMatchHandler(net.sf.saxon.om.Item, net.sf.saxon.trans.Mode, net.sf.saxon.trans.Rule, net.sf.saxon.expr.XPathContext)">getNextMatchHandler</A></B>(<A HREF="../../../../net/sf/saxon/om/Item.html" title="interface in net.sf.saxon.om">Item</A> node,
<A HREF="../../../../net/sf/saxon/trans/Mode.html" title="class in net.sf.saxon.trans">Mode</A> mode,
<A HREF="../../../../net/sf/saxon/trans/Rule.html" title="class in net.sf.saxon.trans">Rule</A> currentRule,
<A HREF="../../../../net/sf/saxon/expr/XPathContext.html" title="interface in net.sf.saxon.expr">XPathContext</A> c)</CODE>
<BR>
Get the next-match handler after the current one</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/trans/RuleManager.html#getRecoveryPolicy()">getRecoveryPolicy</A></B>()</CODE>
<BR>
Get the policy for handling recoverable errors.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> <A HREF="../../../../net/sf/saxon/trans/Rule.html" title="class in net.sf.saxon.trans">Rule</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../net/sf/saxon/trans/RuleManager.html#getTemplateRule(net.sf.saxon.om.Item, net.sf.saxon.trans.Mode, int, int, net.sf.saxon.expr.XPathContext)">getTemplateRule</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/trans/Mode.html" title="class in net.sf.saxon.trans">Mode</A> mode,
int min,
int max,
<A HREF="../../../../net/sf/saxon/expr/XPathContext.html" title="interface in net.sf.saxon.expr">XPathContext</A> c)</CODE>
<BR>
Get the template rule matching a given item whose import precedence
is in a particular range.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> <A HREF="../../../../net/sf/saxon/trans/Mode.html" title="class in net.sf.saxon.trans">Mode</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../net/sf/saxon/trans/RuleManager.html#getUnnamedMode()">getUnnamedMode</A></B>()</CODE>
<BR>
Get the mode object for the unnamed mode</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="../../../../net/sf/saxon/trans/RuleManager.html#invertStreamableTemplates(net.sf.saxon.expr.parser.Optimizer)">invertStreamableTemplates</A></B>(<A HREF="../../../../net/sf/saxon/expr/parser/Optimizer.html" title="class in net.sf.saxon.expr.parser">Optimizer</A> opt)</CODE>
<BR>
Invert streamable templates in all streamable modes</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="../../../../net/sf/saxon/trans/RuleManager.html#resetHandlers()">resetHandlers</A></B>()</CODE>
<BR>
Set up a new table of handlers.</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="../../../../net/sf/saxon/trans/RuleManager.html#setRecoveryPolicy(int)">setRecoveryPolicy</A></B>(int policy)</CODE>
<BR>
Set the policy for handling recoverable errrors.</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="../../../../net/sf/saxon/trans/RuleManager.html#setTemplateRule(net.sf.saxon.pattern.Pattern, net.sf.saxon.expr.instruct.Template, net.sf.saxon.trans.Mode, net.sf.saxon.style.StylesheetModule, double)">setTemplateRule</A></B>(<A HREF="../../../../net/sf/saxon/pattern/Pattern.html" title="class in net.sf.saxon.pattern">Pattern</A> pattern,
<A HREF="../../../../net/sf/saxon/expr/instruct/Template.html" title="class in net.sf.saxon.expr.instruct">Template</A> eh,
<A HREF="../../../../net/sf/saxon/trans/Mode.html" title="class in net.sf.saxon.trans">Mode</A> mode,
<A HREF="../../../../net/sf/saxon/style/StylesheetModule.html" title="class in net.sf.saxon.style">StylesheetModule</A> module,
double priority)</CODE>
<BR>
Register a template for a particular pattern.</TD>
</TR>
</TABLE>
<A NAME="methods_inherited_from_class_java.lang.Object"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TH ALIGN="left"><B>Methods inherited from class java.lang.<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#equals(java.lang.Object)" title="class or interface in java.lang">equals</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#hashCode()" title="class or interface in java.lang">hashCode</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#toString()" title="class or interface in java.lang">toString</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>
</TABLE>
<P>
<!-- ========= CONSTRUCTOR DETAIL ======== -->
<A NAME="constructor_detail"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
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<B>Constructor Detail</B></FONT></TH>
</TR>
</TABLE>
<A NAME="RuleManager()"><!-- --></A><H3>
RuleManager</H3>
<PRE>
public <B>RuleManager</B>()</PRE>
<DL>
<DD>create a RuleManager and initialise variables.
<P>
</DL>
<!-- ============ METHOD DETAIL ========== -->
<A NAME="method_detail"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
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<B>Method Detail</B></FONT></TH>
</TR>
</TABLE>
<A NAME="setRecoveryPolicy(int)"><!-- --></A><H3>
setRecoveryPolicy</H3>
<PRE>
public void <B>setRecoveryPolicy</B>(int policy)</PRE>
<DL>
<DD>Set the policy for handling recoverable errrors. Note that for some errors the decision can be
made at run-time, but for the "ambiguous template match" error, the decision is (since 9.2)
fixed at compile time.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>policy</CODE> - the recovery policy to be used. The options are <A HREF="../../../../net/sf/saxon/Configuration.html#RECOVER_SILENTLY"><CODE>Configuration.RECOVER_SILENTLY</CODE></A>,
<A HREF="../../../../net/sf/saxon/Configuration.html#RECOVER_WITH_WARNINGS"><CODE>Configuration.RECOVER_WITH_WARNINGS</CODE></A>, or <A HREF="../../../../net/sf/saxon/Configuration.html#DO_NOT_RECOVER"><CODE>Configuration.DO_NOT_RECOVER</CODE></A>.<DT><B>Since:</B></DT>
<DD>9.2</DD>
</DL>
</DD>
</DL>
<HR>
<A NAME="getRecoveryPolicy()"><!-- --></A><H3>
getRecoveryPolicy</H3>
<PRE>
public int <B>getRecoveryPolicy</B>()</PRE>
<DL>
<DD>Get the policy for handling recoverable errors. Note that for some errors the decision can be
made at run-time, but for the "ambiguous template match" error, the decision is (since 9.2)
fixed at compile time.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>the current policy.<DT><B>Since:</B></DT>
<DD>9.2</DD>
</DL>
</DD>
</DL>
<HR>
<A NAME="resetHandlers()"><!-- --></A><H3>
resetHandlers</H3>
<PRE>
public void <B>resetHandlers</B>()</PRE>
<DL>
<DD>Set up a new table of handlers.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="getUnnamedMode()"><!-- --></A><H3>
getUnnamedMode</H3>
<PRE>
public <A HREF="../../../../net/sf/saxon/trans/Mode.html" title="class in net.sf.saxon.trans">Mode</A> <B>getUnnamedMode</B>()</PRE>
<DL>
<DD>Get the mode object for the unnamed mode
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>the unnamed mode</DL>
</DD>
</DL>
<HR>
<A NAME="getMode(net.sf.saxon.om.StructuredQName, boolean)"><!-- --></A><H3>
getMode</H3>
<PRE>
public <A HREF="../../../../net/sf/saxon/trans/Mode.html" title="class in net.sf.saxon.trans">Mode</A> <B>getMode</B>(<A HREF="../../../../net/sf/saxon/om/StructuredQName.html" title="class in net.sf.saxon.om">StructuredQName</A> modeName,
boolean createIfAbsent)</PRE>
<DL>
<DD>Get the Mode object for a named mode. If there is not one already registered.
a new Mode is created.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>modeName</CODE> - The name of the mode. Supply null to get the default
mode or Mode.ALL_MODES to get the Mode object containing "mode=all" rules<DD><CODE>createIfAbsent</CODE> - if true, then if the mode does not already exist it will be created.
If false, then if the mode does not already exist the method returns null.
<DT><B>Returns:</B><DD>the Mode with this name</DL>
</DD>
</DL>
<HR>
<A NAME="setTemplateRule(net.sf.saxon.pattern.Pattern, net.sf.saxon.expr.instruct.Template, net.sf.saxon.trans.Mode, net.sf.saxon.style.StylesheetModule, double)"><!-- --></A><H3>
setTemplateRule</H3>
<PRE>
public void <B>setTemplateRule</B>(<A HREF="../../../../net/sf/saxon/pattern/Pattern.html" title="class in net.sf.saxon.pattern">Pattern</A> pattern,
<A HREF="../../../../net/sf/saxon/expr/instruct/Template.html" title="class in net.sf.saxon.expr.instruct">Template</A> eh,
<A HREF="../../../../net/sf/saxon/trans/Mode.html" title="class in net.sf.saxon.trans">Mode</A> mode,
<A HREF="../../../../net/sf/saxon/style/StylesheetModule.html" title="class in net.sf.saxon.style">StylesheetModule</A> module,
double priority)</PRE>
<DL>
<DD>Register a template for a particular pattern.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>pattern</CODE> - Must be a valid Pattern.<DD><CODE>eh</CODE> - The Template to be used<DD><CODE>mode</CODE> - The processing mode to which this template applies<DD><CODE>module</CODE> - The stylesheet module containing the template rule<DD><CODE>priority</CODE> - The priority of the rule: if an element matches several patterns, the
one with highest priority is used<DT><B>See Also:</B><DD><A HREF="../../../../net/sf/saxon/pattern/Pattern.html" title="class in net.sf.saxon.pattern"><CODE>Pattern</CODE></A></DL>
</DD>
</DL>
<HR>
<A NAME="getTemplateRule(net.sf.saxon.om.Item, net.sf.saxon.trans.Mode, int, int, net.sf.saxon.expr.XPathContext)"><!-- --></A><H3>
getTemplateRule</H3>
<PRE>
public <A HREF="../../../../net/sf/saxon/trans/Rule.html" title="class in net.sf.saxon.trans">Rule</A> <B>getTemplateRule</B>(<A HREF="../../../../net/sf/saxon/om/Item.html" title="interface in net.sf.saxon.om">Item</A> item,
<A HREF="../../../../net/sf/saxon/trans/Mode.html" title="class in net.sf.saxon.trans">Mode</A> mode,
int min,
int max,
<A HREF="../../../../net/sf/saxon/expr/XPathContext.html" title="interface in net.sf.saxon.expr">XPathContext</A> c)
throws <A HREF="../../../../net/sf/saxon/trans/XPathException.html" title="class in net.sf.saxon.trans">XPathException</A></PRE>
<DL>
<DD>Get the template rule matching a given item whose import precedence
is in a particular range. This is used to support the xsl:apply-imports function
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>item</CODE> - The item to be matched<DD><CODE>mode</CODE> - The mode for which a rule is required<DD><CODE>min</CODE> - The minimum import precedence that the rule must have<DD><CODE>max</CODE> - The maximum import precedence that the rule must have<DD><CODE>c</CODE> - The Controller for the transformation
<DT><B>Returns:</B><DD>The template rule to be invoked
<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 an error occurs matching a pattern</DL>
</DD>
</DL>
<HR>
<A NAME="getNextMatchHandler(net.sf.saxon.om.Item, net.sf.saxon.trans.Mode, net.sf.saxon.trans.Rule, net.sf.saxon.expr.XPathContext)"><!-- --></A><H3>
getNextMatchHandler</H3>
<PRE>
public <A HREF="../../../../net/sf/saxon/trans/Rule.html" title="class in net.sf.saxon.trans">Rule</A> <B>getNextMatchHandler</B>(<A HREF="../../../../net/sf/saxon/om/Item.html" title="interface in net.sf.saxon.om">Item</A> node,
<A HREF="../../../../net/sf/saxon/trans/Mode.html" title="class in net.sf.saxon.trans">Mode</A> mode,
<A HREF="../../../../net/sf/saxon/trans/Rule.html" title="class in net.sf.saxon.trans">Rule</A> currentRule,
<A HREF="../../../../net/sf/saxon/expr/XPathContext.html" title="interface in net.sf.saxon.expr">XPathContext</A> c)
throws <A HREF="../../../../net/sf/saxon/trans/XPathException.html" title="class in net.sf.saxon.trans">XPathException</A></PRE>
<DL>
<DD>Get the next-match handler after the current one
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>node</CODE> - The node to be matched<DD><CODE>mode</CODE> - The processing mode<DD><CODE>currentRule</CODE> - The current template rule<DD><CODE>c</CODE> - The dynamic context for the transformation
<DT><B>Returns:</B><DD>The template rule to be executed
<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 an error occurs while matching a pattern</DL>
</DD>
</DL>
<HR>
<A NAME="computeRankings()"><!-- --></A><H3>
computeRankings</H3>
<PRE>
public void <B>computeRankings</B>()
throws <A HREF="../../../../net/sf/saxon/trans/XPathException.html" title="class in net.sf.saxon.trans">XPathException</A></PRE>
<DL>
<DD>Allocate rankings to the rules within each mode. This method must be called when all
the rules in each mode are known
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<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 an error occurs</DL>
</DD>
</DL>
<HR>
<A NAME="invertStreamableTemplates(net.sf.saxon.expr.parser.Optimizer)"><!-- --></A><H3>
invertStreamableTemplates</H3>
<PRE>
public void <B>invertStreamableTemplates</B>(<A HREF="../../../../net/sf/saxon/expr/parser/Optimizer.html" title="class in net.sf.saxon.expr.parser">Optimizer</A> opt)
throws <A HREF="../../../../net/sf/saxon/trans/XPathException.html" title="class in net.sf.saxon.trans">XPathException</A></PRE>
<DL>
<DD>Invert streamable templates in all streamable modes
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>opt</CODE> - the optimizer (Always a Saxon-EE optimizer)
<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 the templates are not streamable</DL>
</DD>
</DL>
<HR>
<A NAME="explainTemplateRules(net.sf.saxon.trace.ExpressionPresenter)"><!-- --></A><H3>
explainTemplateRules</H3>
<PRE>
public void <B>explainTemplateRules</B>(<A HREF="../../../../net/sf/saxon/trace/ExpressionPresenter.html" title="class in net.sf.saxon.trace">ExpressionPresenter</A> presenter)</PRE>
<DL>
<DD>Explain (that is, output the expression tree) all template rules
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>presenter</CODE> - the object used to present the output</DL>
</DD>
</DL>
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