Package org.apache.el.parser

Class AstAbstractEmpty

java.lang.Object

org.apache.el.lang.ELSupport

org.apache.el.parser.SimpleNode

org.apache.el.parser.AstAbstractEmpty

All Implemented Interfaces:

Node

Direct Known Subclasses:

AstEmpty, AstNotEmpty

public abstract class AstAbstractEmpty
extends SimpleNode

Field Summary

Fields inherited from class org.apache.el.parser.SimpleNode

children, id, image, parent

Fields inherited from class org.apache.el.lang.ELSupport

COERCE_TO_ZERO

Constructor Summary

Constructors

Constructor	Description
AstAbstractEmpty(int id, boolean invert)

Method Summary

Modifier and Type	Method	Description
java.lang.Class<?>	getType(EvaluationContext ctx)
java.lang.Object	getValue(EvaluationContext ctx)

Methods inherited from class org.apache.el.parser.SimpleNode

accept, equals, getImage, getMethodInfo, getValueReference, hashCode, invoke, isParametersProvided, isReadOnly, jjtAddChild, jjtClose, jjtGetChild, jjtGetNumChildren, jjtGetParent, jjtOpen, jjtSetParent, setImage, setValue, toString

Methods inherited from class org.apache.el.lang.ELSupport

coerceToBoolean, coerceToEnum, coerceToNumber, coerceToNumber, coerceToNumber, coerceToString, coerceToType, compare, equals, isBigDecimalOp, isBigIntegerOp, isDoubleOp, isLongOp, isStringFloat

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

AstAbstractEmpty

public AstAbstractEmpty(int id,
                        boolean invert)

Method Detail

getType

public java.lang.Class<?> getType(EvaluationContext ctx)
                           throws ELException

Specified by:

getType in interface Node

Overrides:

getType in class SimpleNode

Throws:

ELException

getValue

public java.lang.Object getValue(EvaluationContext ctx)
                          throws ELException

Specified by:

getValue in interface Node

Overrides:

getValue in class SimpleNode

Throws:

ELException