jlibs.xml.sax.dog.expr.nodset

Class Positional

java.lang.Object

jlibs.xml.sax.dog.expr.Expression

jlibs.xml.sax.dog.expr.nodset.Positional

Direct Known Subclasses:

ExactPosition, Last, Position

public abstract class Positional
extends Expression

Author:

Santhosh Kumar T

Field Summary

Fields

Modifier and Type	Field and Description
boolean	position
Expression	predicate

Fields inherited from class jlibs.xml.sax.dog.expr.Expression

id, resultType, scope, storeResult, xpath

Constructor Summary

Constructors

Constructor and Description
Positional(boolean position)
Positional(DataType resultType, boolean position)

Method Summary

Modifier and Type	Method and Description
Object	getResult() This method is called only glocal scope expression
Object	getResult(Event event) This method is called only non-glocal scope expression.
protected Object	translate(Double result)

Methods inherited from class jlibs.xml.sax.dog.expr.Expression

getXPath, scope, setXPath, simplify

Methods inherited from class java.lang.Object

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

Field Detail

position

public final boolean position

predicate

public Expression predicate

Constructor Detail

Positional

public Positional(boolean position)

Positional

public Positional(DataType resultType,
                  boolean position)

Method Detail

getResult

public final Object getResult()

Description copied from class: Expression

This method is called only glocal scope expression

Specified by:

getResult in class Expression

getResult

public Object getResult(Event event)

Description copied from class: Expression

This method is called only non-glocal scope expression. it can return the result if it is possible, otherwize returns Evaluation object.

Specified by:

getResult in class Expression

translate

protected Object translate(Double result)