org.databene.script.expression

Class ConstantExpression<E>

java.lang.Object

org.databene.script.expression.ConstantExpression<E>

All Implemented Interfaces:

Expression<E>

Direct Known Subclasses:

NullExpression

public class ConstantExpression<E>
extends Object
implements Expression<E>

Expression that represents and returns a constant value.

Created: 18.06.2007 17:38:58

Author:

Volker Bergmann

Constructor Summary

Constructors

Constructor and Description
ConstantExpression(E value)

Method Summary

Methods

Modifier and Type	Method and Description
E	evaluate(org.databene.commons.Context context)
E	getValue()
boolean	isConstant()
void	setValue(E value)
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

ConstantExpression

public ConstantExpression(E value)

Method Detail

getValue

public E getValue()

setValue

public void setValue(E value)

evaluate

public E evaluate(org.databene.commons.Context context)

Specified by:

evaluate in interface Expression<E>

isConstant

public boolean isConstant()

Specified by:

isConstant in interface Expression<E>

toString

public String toString()

Overrides:

toString in class Object