XQueryTraceListener

java.lang.Object

net.sf.saxon.lib.StandardDiagnostics

net.sf.saxon.trace.AbstractTraceListener

net.sf.saxon.trace.XQueryTraceListener

All Implemented Interfaces:: TraceListener

public class XQueryTraceListener extends AbstractTraceListener

A Simple trace listener for XQuery that writes messages (by default) to System.err

Field Summary

Fields inherited from class net.sf.saxon.trace.AbstractTraceListener
detail, indent, out

Fields inherited from class net.sf.saxon.lib.StandardDiagnostics
MAX_MESSAGE_LENGTH, MAX_MESSAGE_LINE_LENGTH, MIN_MESSAGE_LINE_LENGTH, TARGET_MESSAGE_LINE_LENGTH
Constructor Summary

Constructors

Constructor

Description

XQueryTraceListener()
Method Summary

Modifier and Type

Method

Description

void

endRuleSearch(Object rule, Mode mode, Item item)

Called at the end of a rule search

protected String

getOpeningAttributes()

Generate attributes to be included in the opening trace element

void

startRuleSearch()

Called at the start of a rule search

protected String

tag(Traceable info)

Get the trace element tagname to be used for a particular construct.

Methods inherited from class net.sf.saxon.trace.AbstractTraceListener
checkpoint, close, endCurrentItem, enter, escape, getLocation, getOutputDestination, isApplicable, leave, level, open, recover, setLevelOfDetail, setOutputDestination, spaces, startCurrentItem

Methods inherited from class net.sf.saxon.lib.StandardDiagnostics
abbreviateLocationURI, abbreviateLocationURIDefault, expandSpecialCharacters, formatListOfOffendingNodes, getInstructionName, getInstructionNameDefault, getLocationMessageText, logStackTrace, showOriginator, wordWrap

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details
- XQueryTraceListener
  
  public XQueryTraceListener()
Method Details
- getOpeningAttributes
  
  protected String getOpeningAttributes()
  
  Generate attributes to be included in the opening trace element
  
  Overrides:
  
  getOpeningAttributes in class AbstractTraceListener
- tag
  
  protected String tag(Traceable info)
  
  Get the trace element tagname to be used for a particular construct. Return null for trace events that are ignored by this trace listener.
  
  Overrides:
  
  tag in class AbstractTraceListener
  
  Parameters:
  
  info - trace information
- startRuleSearch
  
  public void startRuleSearch()
  
  Called at the start of a rule search
  
  Specified by:
  
  startRuleSearch in interface TraceListener
  
  Overrides:
  
  startRuleSearch in class AbstractTraceListener
- endRuleSearch
  
  public void endRuleSearch(Object rule, Mode mode, Item item)
  
  Called at the end of a rule search
  
  Specified by:
  
  endRuleSearch in interface TraceListener
  
  Overrides:
  
  endRuleSearch in class AbstractTraceListener
  
  Parameters:
  
  rule - the rule that has been selected
  
  mode - the mode in operation
  
  item - the item that was checked against