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TraceEventMulticaster
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net.sf.saxon.trace</FONT>
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Class TraceEventMulticaster</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.trace.TraceEventMulticaster</B>
</PRE>
<DL>
<DT><B>All Implemented Interfaces:</B> <DD><A HREF="http://download.oracle.com/javase/6/docs/api/java/util/EventListener.html?is-external=true" title="class or interface in java.util">EventListener</A>, <A HREF="../../../../net/sf/saxon/lib/TraceListener.html" title="interface in net.sf.saxon.lib">TraceListener</A></DD>
</DL>
<HR>
<DL>
<DT><PRE>public class <B>TraceEventMulticaster</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="../../../../net/sf/saxon/lib/TraceListener.html" title="interface in net.sf.saxon.lib">TraceListener</A></DL>
</PRE>
<P>
A class which implements efficient and thread-safe multi-cast event
dispatching for the TraceListener evants.
<P>
<P>
<HR>
<P>
<!-- =========== FIELD SUMMARY =========== -->
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<B>Field Summary</B></FONT></TH>
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>protected <A HREF="http://download.oracle.com/javase/6/docs/api/java/util/EventListener.html?is-external=true" title="class or interface in java.util">EventListener</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../net/sf/saxon/trace/TraceEventMulticaster.html#a">a</A></B></CODE>
<BR>
</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>protected <A HREF="http://download.oracle.com/javase/6/docs/api/java/util/EventListener.html?is-external=true" title="class or interface in java.util">EventListener</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../net/sf/saxon/trace/TraceEventMulticaster.html#b">b</A></B></CODE>
<BR>
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>protected </CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../net/sf/saxon/trace/TraceEventMulticaster.html#TraceEventMulticaster(java.util.EventListener, java.util.EventListener)">TraceEventMulticaster</A></B>(<A HREF="http://download.oracle.com/javase/6/docs/api/java/util/EventListener.html?is-external=true" title="class or interface in java.util">EventListener</A> a,
<A HREF="http://download.oracle.com/javase/6/docs/api/java/util/EventListener.html?is-external=true" title="class or interface in java.util">EventListener</A> b)</CODE>
<BR>
Creates an event multicaster instance which chains listener-a
with listener-b.</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>static <A HREF="../../../../net/sf/saxon/lib/TraceListener.html" title="interface in net.sf.saxon.lib">TraceListener</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../net/sf/saxon/trace/TraceEventMulticaster.html#add(net.sf.saxon.lib.TraceListener, net.sf.saxon.lib.TraceListener)">add</A></B>(<A HREF="../../../../net/sf/saxon/lib/TraceListener.html" title="interface in net.sf.saxon.lib">TraceListener</A> a,
<A HREF="../../../../net/sf/saxon/lib/TraceListener.html" title="interface in net.sf.saxon.lib">TraceListener</A> b)</CODE>
<BR>
Adds trace-listener-a with trace-listener-b and
returns the resulting multicast listener.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>protected static <A HREF="http://download.oracle.com/javase/6/docs/api/java/util/EventListener.html?is-external=true" title="class or interface in java.util">EventListener</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../net/sf/saxon/trace/TraceEventMulticaster.html#addInternal(java.util.EventListener, java.util.EventListener)">addInternal</A></B>(<A HREF="http://download.oracle.com/javase/6/docs/api/java/util/EventListener.html?is-external=true" title="class or interface in java.util">EventListener</A> a,
<A HREF="http://download.oracle.com/javase/6/docs/api/java/util/EventListener.html?is-external=true" title="class or interface in java.util">EventListener</A> b)</CODE>
<BR>
Returns the resulting multicast listener from adding listener-a
and listener-b together.</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/trace/TraceEventMulticaster.html#close()">close</A></B>()</CODE>
<BR>
Called at end</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/trace/TraceEventMulticaster.html#endCurrentItem(net.sf.saxon.om.Item)">endCurrentItem</A></B>(<A HREF="../../../../net/sf/saxon/om/Item.html" title="interface in net.sf.saxon.om">Item</A> item)</CODE>
<BR>
Called when an item ceases to be the current item</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/trace/TraceEventMulticaster.html#enter(net.sf.saxon.trace.InstructionInfo, net.sf.saxon.expr.XPathContext)">enter</A></B>(<A HREF="../../../../net/sf/saxon/trace/InstructionInfo.html" title="interface in net.sf.saxon.trace">InstructionInfo</A> element,
<A HREF="../../../../net/sf/saxon/expr/XPathContext.html" title="interface in net.sf.saxon.expr">XPathContext</A> context)</CODE>
<BR>
Called when an element of the stylesheet gets processed</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/trace/TraceEventMulticaster.html#leave(net.sf.saxon.trace.InstructionInfo)">leave</A></B>(<A HREF="../../../../net/sf/saxon/trace/InstructionInfo.html" title="interface in net.sf.saxon.trace">InstructionInfo</A> element)</CODE>
<BR>
Called after an element of the stylesheet got processed</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/trace/TraceEventMulticaster.html#open(net.sf.saxon.Controller)">open</A></B>(<A HREF="../../../../net/sf/saxon/Controller.html" title="class in net.sf.saxon">Controller</A> controller)</CODE>
<BR>
Called at start</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>protected <A HREF="http://download.oracle.com/javase/6/docs/api/java/util/EventListener.html?is-external=true" title="class or interface in java.util">EventListener</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../net/sf/saxon/trace/TraceEventMulticaster.html#remove(java.util.EventListener)">remove</A></B>(<A HREF="http://download.oracle.com/javase/6/docs/api/java/util/EventListener.html?is-external=true" title="class or interface in java.util">EventListener</A> oldl)</CODE>
<BR>
Removes a listener from this multicaster and returns the
resulting multicast listener.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static <A HREF="../../../../net/sf/saxon/lib/TraceListener.html" title="interface in net.sf.saxon.lib">TraceListener</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../net/sf/saxon/trace/TraceEventMulticaster.html#remove(net.sf.saxon.lib.TraceListener, net.sf.saxon.lib.TraceListener)">remove</A></B>(<A HREF="../../../../net/sf/saxon/lib/TraceListener.html" title="interface in net.sf.saxon.lib">TraceListener</A> l,
<A HREF="../../../../net/sf/saxon/lib/TraceListener.html" title="interface in net.sf.saxon.lib">TraceListener</A> oldl)</CODE>
<BR>
Removes the old trace-listener from trace-listener-l and
returns the resulting multicast listener.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>protected static <A HREF="http://download.oracle.com/javase/6/docs/api/java/util/EventListener.html?is-external=true" title="class or interface in java.util">EventListener</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../net/sf/saxon/trace/TraceEventMulticaster.html#removeInternal(java.util.EventListener, java.util.EventListener)">removeInternal</A></B>(<A HREF="http://download.oracle.com/javase/6/docs/api/java/util/EventListener.html?is-external=true" title="class or interface in java.util">EventListener</A> l,
<A HREF="http://download.oracle.com/javase/6/docs/api/java/util/EventListener.html?is-external=true" title="class or interface in java.util">EventListener</A> oldl)</CODE>
<BR>
Returns the resulting multicast listener after removing the
old listener from listener-l.</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/trace/TraceEventMulticaster.html#setOutputDestination(java.io.PrintStream)">setOutputDestination</A></B>(<A HREF="http://download.oracle.com/javase/6/docs/api/java/io/PrintStream.html?is-external=true" title="class or interface in java.io">PrintStream</A> stream)</CODE>
<BR>
Method called to supply the destination for output</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/trace/TraceEventMulticaster.html#startCurrentItem(net.sf.saxon.om.Item)">startCurrentItem</A></B>(<A HREF="../../../../net/sf/saxon/om/Item.html" title="interface in net.sf.saxon.om">Item</A> item)</CODE>
<BR>
Called when an item becomes current</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>
<!-- ============ FIELD DETAIL =========== -->
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<B>Field Detail</B></FONT></TH>
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<A NAME="a"><!-- --></A><H3>
a</H3>
<PRE>
protected final <A HREF="http://download.oracle.com/javase/6/docs/api/java/util/EventListener.html?is-external=true" title="class or interface in java.util">EventListener</A> <B>a</B></PRE>
<DL>
<DL>
</DL>
</DL>
<HR>
<A NAME="b"><!-- --></A><H3>
b</H3>
<PRE>
protected final <A HREF="http://download.oracle.com/javase/6/docs/api/java/util/EventListener.html?is-external=true" title="class or interface in java.util">EventListener</A> <B>b</B></PRE>
<DL>
<DL>
</DL>
</DL>
<!-- ========= 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>
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</TABLE>
<A NAME="TraceEventMulticaster(java.util.EventListener, java.util.EventListener)"><!-- --></A><H3>
TraceEventMulticaster</H3>
<PRE>
protected <B>TraceEventMulticaster</B>(<A HREF="http://download.oracle.com/javase/6/docs/api/java/util/EventListener.html?is-external=true" title="class or interface in java.util">EventListener</A> a,
<A HREF="http://download.oracle.com/javase/6/docs/api/java/util/EventListener.html?is-external=true" title="class or interface in java.util">EventListener</A> b)</PRE>
<DL>
<DD>Creates an event multicaster instance which chains listener-a
with listener-b.
<P>
<DL>
<DT><B>Parameters:</B><DD><CODE>a</CODE> - listener-a<DD><CODE>b</CODE> - listener-b</DL>
</DL>
<!-- ============ METHOD DETAIL ========== -->
<A NAME="method_detail"><!-- --></A>
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<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
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<B>Method Detail</B></FONT></TH>
</TR>
</TABLE>
<A NAME="setOutputDestination(java.io.PrintStream)"><!-- --></A><H3>
setOutputDestination</H3>
<PRE>
public void <B>setOutputDestination</B>(<A HREF="http://download.oracle.com/javase/6/docs/api/java/io/PrintStream.html?is-external=true" title="class or interface in java.io">PrintStream</A> stream)</PRE>
<DL>
<DD><B>Description copied from interface: <CODE><A HREF="../../../../net/sf/saxon/lib/TraceListener.html#setOutputDestination(java.io.PrintStream)">TraceListener</A></CODE></B></DD>
<DD>Method called to supply the destination for output
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../net/sf/saxon/lib/TraceListener.html#setOutputDestination(java.io.PrintStream)">setOutputDestination</A></CODE> in interface <CODE><A HREF="../../../../net/sf/saxon/lib/TraceListener.html" title="interface in net.sf.saxon.lib">TraceListener</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>stream</CODE> - a PrintStream to which any output produced by the TraceListener should be written</DL>
</DD>
</DL>
<HR>
<A NAME="remove(java.util.EventListener)"><!-- --></A><H3>
remove</H3>
<PRE>
protected <A HREF="http://download.oracle.com/javase/6/docs/api/java/util/EventListener.html?is-external=true" title="class or interface in java.util">EventListener</A> <B>remove</B>(<A HREF="http://download.oracle.com/javase/6/docs/api/java/util/EventListener.html?is-external=true" title="class or interface in java.util">EventListener</A> oldl)</PRE>
<DL>
<DD>Removes a listener from this multicaster and returns the
resulting multicast listener.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>oldl</CODE> - the listener to be removed</DL>
</DD>
</DL>
<HR>
<A NAME="open(net.sf.saxon.Controller)"><!-- --></A><H3>
open</H3>
<PRE>
public void <B>open</B>(<A HREF="../../../../net/sf/saxon/Controller.html" title="class in net.sf.saxon">Controller</A> controller)</PRE>
<DL>
<DD>Called at start
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../net/sf/saxon/lib/TraceListener.html#open(net.sf.saxon.Controller)">open</A></CODE> in interface <CODE><A HREF="../../../../net/sf/saxon/lib/TraceListener.html" title="interface in net.sf.saxon.lib">TraceListener</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>controller</CODE> - identifies the transformation controller, and provides the listener with
access to context and configuration information</DL>
</DD>
</DL>
<HR>
<A NAME="close()"><!-- --></A><H3>
close</H3>
<PRE>
public void <B>close</B>()</PRE>
<DL>
<DD>Called at end
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../net/sf/saxon/lib/TraceListener.html#close()">close</A></CODE> in interface <CODE><A HREF="../../../../net/sf/saxon/lib/TraceListener.html" title="interface in net.sf.saxon.lib">TraceListener</A></CODE></DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="enter(net.sf.saxon.trace.InstructionInfo, net.sf.saxon.expr.XPathContext)"><!-- --></A><H3>
enter</H3>
<PRE>
public void <B>enter</B>(<A HREF="../../../../net/sf/saxon/trace/InstructionInfo.html" title="interface in net.sf.saxon.trace">InstructionInfo</A> element,
<A HREF="../../../../net/sf/saxon/expr/XPathContext.html" title="interface in net.sf.saxon.expr">XPathContext</A> context)</PRE>
<DL>
<DD>Called when an element of the stylesheet gets processed
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../net/sf/saxon/lib/TraceListener.html#enter(net.sf.saxon.trace.InstructionInfo, net.sf.saxon.expr.XPathContext)">enter</A></CODE> in interface <CODE><A HREF="../../../../net/sf/saxon/lib/TraceListener.html" title="interface in net.sf.saxon.lib">TraceListener</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>element</CODE> - gives information about the instruction being
executed, and about the context in which it is executed. This object is mutable,
so if information from the InstructionInfo is to be retained, it must be copied.</DL>
</DD>
</DL>
<HR>
<A NAME="leave(net.sf.saxon.trace.InstructionInfo)"><!-- --></A><H3>
leave</H3>
<PRE>
public void <B>leave</B>(<A HREF="../../../../net/sf/saxon/trace/InstructionInfo.html" title="interface in net.sf.saxon.trace">InstructionInfo</A> element)</PRE>
<DL>
<DD>Called after an element of the stylesheet got processed
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../net/sf/saxon/lib/TraceListener.html#leave(net.sf.saxon.trace.InstructionInfo)">leave</A></CODE> in interface <CODE><A HREF="../../../../net/sf/saxon/lib/TraceListener.html" title="interface in net.sf.saxon.lib">TraceListener</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>element</CODE> - gives the same information that was supplied to the
enter method, though it is not necessarily the same object. Note that the
line number of the instruction is that of the start tag in the source stylesheet,
not the line number of the end tag.</DL>
</DD>
</DL>
<HR>
<A NAME="startCurrentItem(net.sf.saxon.om.Item)"><!-- --></A><H3>
startCurrentItem</H3>
<PRE>
public void <B>startCurrentItem</B>(<A HREF="../../../../net/sf/saxon/om/Item.html" title="interface in net.sf.saxon.om">Item</A> item)</PRE>
<DL>
<DD>Called when an item becomes current
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../net/sf/saxon/lib/TraceListener.html#startCurrentItem(net.sf.saxon.om.Item)">startCurrentItem</A></CODE> in interface <CODE><A HREF="../../../../net/sf/saxon/lib/TraceListener.html" title="interface in net.sf.saxon.lib">TraceListener</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>item</CODE> - the new current item. Item objects are not mutable; it is safe to retain
a reference to the Item for later use.</DL>
</DD>
</DL>
<HR>
<A NAME="endCurrentItem(net.sf.saxon.om.Item)"><!-- --></A><H3>
endCurrentItem</H3>
<PRE>
public void <B>endCurrentItem</B>(<A HREF="../../../../net/sf/saxon/om/Item.html" title="interface in net.sf.saxon.om">Item</A> item)</PRE>
<DL>
<DD>Called when an item ceases to be the current item
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../net/sf/saxon/lib/TraceListener.html#endCurrentItem(net.sf.saxon.om.Item)">endCurrentItem</A></CODE> in interface <CODE><A HREF="../../../../net/sf/saxon/lib/TraceListener.html" title="interface in net.sf.saxon.lib">TraceListener</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>item</CODE> - the item that was current, whose processing is now complete. This will represent
the same underlying item as the corresponding startCurrentItem() call, though it will
not necessarily be the same actual object.</DL>
</DD>
</DL>
<HR>
<A NAME="add(net.sf.saxon.lib.TraceListener, net.sf.saxon.lib.TraceListener)"><!-- --></A><H3>
add</H3>
<PRE>
public static <A HREF="../../../../net/sf/saxon/lib/TraceListener.html" title="interface in net.sf.saxon.lib">TraceListener</A> <B>add</B>(<A HREF="../../../../net/sf/saxon/lib/TraceListener.html" title="interface in net.sf.saxon.lib">TraceListener</A> a,
<A HREF="../../../../net/sf/saxon/lib/TraceListener.html" title="interface in net.sf.saxon.lib">TraceListener</A> b)</PRE>
<DL>
<DD>Adds trace-listener-a with trace-listener-b and
returns the resulting multicast listener.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>a</CODE> - trace-listener-a<DD><CODE>b</CODE> - trace-listener-b</DL>
</DD>
</DL>
<HR>
<A NAME="remove(net.sf.saxon.lib.TraceListener, net.sf.saxon.lib.TraceListener)"><!-- --></A><H3>
remove</H3>
<PRE>
public static <A HREF="../../../../net/sf/saxon/lib/TraceListener.html" title="interface in net.sf.saxon.lib">TraceListener</A> <B>remove</B>(<A HREF="../../../../net/sf/saxon/lib/TraceListener.html" title="interface in net.sf.saxon.lib">TraceListener</A> l,
<A HREF="../../../../net/sf/saxon/lib/TraceListener.html" title="interface in net.sf.saxon.lib">TraceListener</A> oldl)</PRE>
<DL>
<DD>Removes the old trace-listener from trace-listener-l and
returns the resulting multicast listener.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>l</CODE> - trace-listener-l<DD><CODE>oldl</CODE> - the trace-listener being removed</DL>
</DD>
</DL>
<HR>
<A NAME="addInternal(java.util.EventListener, java.util.EventListener)"><!-- --></A><H3>
addInternal</H3>
<PRE>
protected static <A HREF="http://download.oracle.com/javase/6/docs/api/java/util/EventListener.html?is-external=true" title="class or interface in java.util">EventListener</A> <B>addInternal</B>(<A HREF="http://download.oracle.com/javase/6/docs/api/java/util/EventListener.html?is-external=true" title="class or interface in java.util">EventListener</A> a,
<A HREF="http://download.oracle.com/javase/6/docs/api/java/util/EventListener.html?is-external=true" title="class or interface in java.util">EventListener</A> b)</PRE>
<DL>
<DD>Returns the resulting multicast listener from adding listener-a
and listener-b together.
If listener-a is null, it returns listener-b;
If listener-b is null, it returns listener-a
If neither are null, then it creates and returns
a new EventMulticaster instance which chains a with b.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>a</CODE> - event listener-a<DD><CODE>b</CODE> - event listener-b</DL>
</DD>
</DL>
<HR>
<A NAME="removeInternal(java.util.EventListener, java.util.EventListener)"><!-- --></A><H3>
removeInternal</H3>
<PRE>
protected static <A HREF="http://download.oracle.com/javase/6/docs/api/java/util/EventListener.html?is-external=true" title="class or interface in java.util">EventListener</A> <B>removeInternal</B>(<A HREF="http://download.oracle.com/javase/6/docs/api/java/util/EventListener.html?is-external=true" title="class or interface in java.util">EventListener</A> l,
<A HREF="http://download.oracle.com/javase/6/docs/api/java/util/EventListener.html?is-external=true" title="class or interface in java.util">EventListener</A> oldl)</PRE>
<DL>
<DD>Returns the resulting multicast listener after removing the
old listener from listener-l.
If listener-l equals the old listener OR listener-l is null,
returns null.
Else if listener-l is an instance of SaxonEventMulticaster,
then it removes the old listener from it.
Else, returns listener l.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>l</CODE> - the listener being removed from<DD><CODE>oldl</CODE> - the listener being removed</DL>
</DD>
</DL>
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