wugle.expression
Class AbstractValue

java.lang.Object
  |
  +--wugle.expression.AbstractExpression
        |
        +--wugle.expression.AbstractValue

All Implemented Interfaces:

java.lang.Cloneable, Expression, Value

Direct Known Subclasses:

False, Literal, True

public abstract class AbstractValue

extends AbstractExpression

implements Value

An abstract implementation of Value.

AbstractValue provides a basic implementation of Value, but is not meant to be a full class. Subclass should implement the appropriate operation interfaces.

Version:

0.1.3

Author:

Jacob Perkins

Field Summary

Fields inherited from class wugle.expression.AbstractExpression

log, operation

Constructor Summary

AbstractValue(java.lang.Object value, ExpressionOperation operation)
Initializes the Expression with a value.

Method Summary

java.lang.Object	getValue() Gets the value of the Expression.
boolean	isEqual(Expression expression) Tests if this Expression is equal to the given Expression.

Methods inherited from class wugle.expression.AbstractExpression

clone, getParent, getSymbol, setParent, toString

Methods inherited from class java.lang.Object

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

Methods inherited from interface wugle.expression.Expression

clone, getParent, getSymbol, setParent

Constructor Detail

AbstractValue

public AbstractValue(java.lang.Object value,
                     ExpressionOperation operation)

Initializes the Expression with a value.

Parameters:

value - Value of the Expression

operation - Object for delegating operations to

Method Detail

isEqual

public boolean isEqual(Expression expression)

Description copied from interface: Expression

Tests if this Expression is equal to the given Expression.

Specified by:

isEqual in interface Expression

Parameters:

expression - Expression to compare to

Returns:

true if they are equal

getValue

public java.lang.Object getValue()

Description copied from interface: Value

Gets the value of the Expression.

Specified by:

getValue in interface Value

Returns:

The value