net.sf.saxon.instruct
Class TraceInstruction

java.lang.Object
  net.sf.saxon.expr.Expression
      net.sf.saxon.instruct.Instruction
          net.sf.saxon.instruct.TraceWrapper
              net.sf.saxon.instruct.TraceInstruction

All Implemented Interfaces:

Serializable, SourceLocator, Container, EvaluableItem, SequenceIterable, TailCallReturner, InstructionInfoProvider

public class TraceInstruction
extends TraceWrapper

A run-time instruction which wraps a real instruction and traces its entry and exit to the TraceListener

See Also:

Serialized Form

Field Summary

Fields inherited from class net.sf.saxon.expr.Expression

EVALUATE_METHOD, ITERATE_METHOD, PROCESS_METHOD

Constructor Summary

TraceInstruction(Expression child, InstructionInfo details)
Create a Trace instruction

Method Summary

InstructionInfo

getInstructionInfo() Get the instruction details

Methods inherited from class net.sf.saxon.instruct.TraceWrapper

computeDependencies, createsNewNodes, display, evaluateItem, getCardinality, getDependencies, getInstructionNameCode, getItemType, iterate, iterateSubExpressions, optimize, processLeavingTail, promote, replaceSubExpression, simplify, typeCheck

Methods inherited from class net.sf.saxon.instruct.Instruction

appendItem, computeCardinality, computeSpecialProperties, evaluateAsString, getImplementationMethod, getSourceLocator, isXSLT, process

Methods inherited from class net.sf.saxon.expr.Expression

adoptChildExpression, checkPermittedContents, computeStaticProperties, doPromotion, effectiveBooleanValue, getColumnNumber, getContainingProcedure, getExecutable, getHostLanguage, getIntrinsicDependencies, getLineNumber, getLocationId, getLocationProvider, getParentExpression, getPublicId, getSlotsUsed, getSpecialProperties, getSystemId, hasBadParentPointer, markTailFunctionCalls, resetStaticProperties, setLocationId, setParentExpression, setParentExpression, suppressValidation

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface javax.xml.transform.SourceLocator

getColumnNumber, getLineNumber, getPublicId, getSystemId

Constructor Detail

TraceInstruction

public TraceInstruction(Expression child,
                        InstructionInfo details)

Create a Trace instruction

Parameters:

child - the "real" instruction to be traced

Method Detail

getInstructionInfo

public InstructionInfo getInstructionInfo()

Get the instruction details

Specified by:

getInstructionInfo in interface InstructionInfoProvider

Overrides:

getInstructionInfo in class Instruction