Package net.sf.saxon.expr.instruct

Class DocumentInstr.DocumentInstrElaborator

java.lang.Object

net.sf.saxon.expr.elab.Elaborator

net.sf.saxon.expr.elab.PushElaborator

net.sf.saxon.expr.instruct.DocumentInstr.DocumentInstrElaborator

Enclosing class:

DocumentInstr

public static class DocumentInstr.DocumentInstrElaborator
extends PushElaborator

Elaborator for an AtomicSequenceConverter (including an UntypedAtomicConverter, which is the same except that it uses a different converter internally)

Constructor Summary

Constructors

Constructor	Description
DocumentInstrElaborator()

Method Summary

Modifier and Type	Method	Description
ItemEvaluator	elaborateForItem()	Get a function that evaluates the underlying expression in the form of a Item.
PushEvaluator	elaborateForPush()	Get a function that evaluates the underlying expression in push mode, by writing events to an Outputter

Methods inherited from class net.sf.saxon.expr.elab.PushElaborator

eagerly, elaborateForBoolean, elaborateForPull, elaborateForUnicodeString

Methods inherited from class net.sf.saxon.expr.elab.Elaborator

elaborateForString, elaborateForUpdate, getConfiguration, getExpression, handleNullString, handleNullUnicodeString, handlePossiblyNullString, handlePossiblyNullUnicodeString, lazily, setExpression

Methods inherited from class java.lang.Object

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

Constructor Details

DocumentInstrElaborator

public DocumentInstrElaborator()

Method Details

elaborateForPush

public PushEvaluator elaborateForPush()

Description copied from class: Elaborator

Get a function that evaluates the underlying expression in push mode, by writing events to an Outputter

Overrides:

elaborateForPush in class PushElaborator

Returns:

an evaluator for the expression in push mode

elaborateForItem

public ItemEvaluator elaborateForItem()

Description copied from class: Elaborator

Get a function that evaluates the underlying expression in the form of a Item. This must only be called for expressions whose result has cardinality zero or one.

Overrides:

elaborateForItem in class PushElaborator

Returns:

an evaluator for the expression that returns an Item, or null to represent an empty sequence.