bexee.model.expression.impl
Class ExpressionImpl

java.lang.Object
  bexee.model.expression.impl.ExpressionImpl

All Implemented Interfaces:

Expression

Direct Known Subclasses:

BooleanExpressionImpl, DeadlineExpressionImpl, DurationExpressionImpl

public abstract class ExpressionImpl

extends java.lang.Object

implements Expression

Abstract superclass to be used by all expression implementations.

Version:

$Revision: 1.1 $, $Date: 2004/12/15 14:18:10 $

Author:

Patric Fornasier, Pawel Kowalski

Constructor Summary

ExpressionImpl(java.lang.String expressionLitteral)

Method Summary

abstract boolean	evaluate() Evaluate the expression litteral and return a boolean.
java.lang.String	getExpressionLitteral() Get an expression litteral for evaluation.
void	setExpressionLitteral(java.lang.String expressionLitteral) Set an expression litteral for later evaluation.

Methods inherited from class java.lang.Object

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

Constructor Detail

ExpressionImpl

public ExpressionImpl(java.lang.String expressionLitteral)

Method Detail

setExpressionLitteral

public void setExpressionLitteral(java.lang.String expressionLitteral)

Description copied from interface: Expression

Set an expression litteral for later evaluation.

Specified by:

setExpressionLitteral in interface Expression

Parameters:

expressionLitteral - a String value

getExpressionLitteral

public java.lang.String getExpressionLitteral()

Description copied from interface: Expression

Get an expression litteral for evaluation.

Specified by:

getExpressionLitteral in interface Expression

Returns:

a String value

evaluate

public abstract boolean evaluate()

Description copied from interface: Expression

Evaluate the expression litteral and return a boolean.

Specified by:

evaluate in interface Expression

Returns:

a boolean value