raar.language
Class RALogExpression

java.lang.Object
  raar.language.RALogExpression

All Implemented Interfaces:

java.io.Serializable, RALogObject

public class RALogExpression
extends java.lang.Object
implements RALogObject

See Also:

Serialized Form

Field Summary

static int	AND
static int	NOT
static int	OR

Constructor Summary

RALogExpression(RALogObject p, RALogObject q, int operation)

Method Summary

boolean	bValue()
boolean	evaluate() Returns an evaluation of this expression.

Methods inherited from class java.lang.Object

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

Field Detail

AND

public static final int AND

See Also:

Constant Field Values

OR

public static final int OR

See Also:

Constant Field Values

NOT

public static final int NOT

See Also:

Constant Field Values

Constructor Detail

RALogExpression

public RALogExpression(RALogObject p,
                       RALogObject q,
                       int operation)

Method Detail

evaluate

public boolean evaluate()
                 throws RAException

Returns an evaluation of this expression. If p is null, it is always false. If q is null, it is always false, except when the operation is NOT and p is not null. Then it simply evaluates (NOT p).

Throws:

RAException

bValue

public boolean bValue()
               throws RAException

Specified by:

bValue in interface RALogObject

Throws:

RAException