Package com.singularsys.extensions.field.implementations

Class NumberAsBooleanField

java.lang.Object

com.singularsys.extensions.field.implementations.NumberAsBooleanField

All Implemented Interfaces:

FieldI, java.io.Serializable

public class NumberAsBooleanField
extends java.lang.Object
implements FieldI

Treat Numbers as boolean values in And &&, Or || and Not ! as in C. Returns Boolean values.

Author:

Richard Morris

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor	Description
NumberAsBooleanField()

Method Summary

Modifier and Type	Method	Description
java.lang.Object	add(java.lang.Object l, java.lang.Object r)	Not implemented for this field.
java.lang.Boolean	and(java.lang.Object l, java.lang.Object r)	Logical and.
java.lang.Object	div(java.lang.Object l, java.lang.Object r)	Not implemented for this field.
java.lang.Boolean	eq(java.lang.Object l, java.lang.Object r)	Not implemented for this field.
java.lang.Boolean	ge(java.lang.Object l, java.lang.Object r)	Not implemented for this field.
java.lang.Object	getOne()	Not defined for this field
java.lang.Object	getZero()	Not defined for this field
java.lang.Boolean	gt(java.lang.Object l, java.lang.Object r)	Not implemented for this field.
java.lang.Boolean	le(java.lang.Object l, java.lang.Object r)	Not implemented for this field.
java.lang.Boolean	lt(java.lang.Object l, java.lang.Object r)	Not implemented for this field.
java.lang.Object	mod(java.lang.Object l, java.lang.Object r)	Not implemented for this field.
java.lang.Object	mul(java.lang.Object l, java.lang.Object r)	Not implemented for this field.
java.lang.Boolean	ne(java.lang.Object l, java.lang.Object r)	Not implemented for this field.
java.lang.Object	neg(java.lang.Object l)	Not implemented for this field.
java.lang.Boolean	not(java.lang.Object l)	Logical not.
java.lang.Boolean	or(java.lang.Object l, java.lang.Object r)	Logical or.
java.lang.Object	pow(java.lang.Object l, java.lang.Object r)	Not implemented for this field.
java.lang.Object	sub(java.lang.Object l, java.lang.Object r)	Not implemented for this field.

Methods inherited from class java.lang.Object

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

Constructor Detail

NumberAsBooleanField

public NumberAsBooleanField()

Method Detail

and

public java.lang.Boolean and(java.lang.Object l,
                             java.lang.Object r)
                      throws EvaluationException

Description copied from interface: FieldI

Logical and.

Specified by:

and in interface FieldI

Parameters:

l - left hand argument implimentation

r - right hand argument

Returns:

an object representing the result or null if it can not be evaluated.

Throws:

EvaluationException - on error

or

public java.lang.Boolean or(java.lang.Object l,
                            java.lang.Object r)
                     throws EvaluationException

Description copied from interface: FieldI

Logical or.

Specified by:

or in interface FieldI

Parameters:

l - left hand argument

r - right hand argument

Returns:

an object representing the result or null if it can not be evaluated.

Throws:

EvaluationException - on error

not

public java.lang.Boolean not(java.lang.Object l)
                      throws EvaluationException

Description copied from interface: FieldI

Logical not.

Specified by:

not in interface FieldI

Parameters:

l - argument

Returns:

an object representing the result or null if it can not be evaluated.

Throws:

EvaluationException - on error

eq

public java.lang.Boolean eq(java.lang.Object l,
                            java.lang.Object r)
                     throws EvaluationException

Not implemented for this field.

Specified by:

eq in interface FieldI

Parameters:

l - left hand argument

r - right hand argument

Returns:

null

Throws:

EvaluationException - on error

ne

public java.lang.Boolean ne(java.lang.Object l,
                            java.lang.Object r)
                     throws EvaluationException

Not implemented for this field.

Specified by:

ne in interface FieldI

Parameters:

l - left hand argument

r - right hand argument

Returns:

null

Throws:

EvaluationException - on error

gt

public java.lang.Boolean gt(java.lang.Object l,
                            java.lang.Object r)
                     throws EvaluationException

Not implemented for this field.

Specified by:

gt in interface FieldI

Parameters:

l - left hand argument

r - right hand argument

Returns:

null

Throws:

EvaluationException - on error

ge

public java.lang.Boolean ge(java.lang.Object l,
                            java.lang.Object r)
                     throws EvaluationException

Not implemented for this field.

Specified by:

ge in interface FieldI

Parameters:

l - left hand argument

r - right hand argument

Returns:

null

Throws:

EvaluationException - on error

lt

public java.lang.Boolean lt(java.lang.Object l,
                            java.lang.Object r)
                     throws EvaluationException

Not implemented for this field.

Specified by:

lt in interface FieldI

Parameters:

l - left hand argument

r - right hand argument

Returns:

null

Throws:

EvaluationException - on error

le

public java.lang.Boolean le(java.lang.Object l,
                            java.lang.Object r)
                     throws EvaluationException

Not implemented for this field.

Specified by:

le in interface FieldI

Parameters:

l - left hand argument

r - right hand argument

Returns:

null

Throws:

EvaluationException - on error

add

public java.lang.Object add(java.lang.Object l,
                            java.lang.Object r)
                     throws EvaluationException

Not implemented for this field.

Specified by:

add in interface FieldI

Parameters:

l - left hand argument

r - right hand argument

Returns:

null

Throws:

EvaluationException - on error

sub

public java.lang.Object sub(java.lang.Object l,
                            java.lang.Object r)
                     throws EvaluationException

Not implemented for this field.

Specified by:

sub in interface FieldI

Parameters:

l - left hand argument

r - right hand argument

Returns:

null

Throws:

EvaluationException - on error

neg

public java.lang.Object neg(java.lang.Object l)
                     throws EvaluationException

Not implemented for this field.

Specified by:

neg in interface FieldI

Parameters:

l - the argument

Returns:

null

Throws:

EvaluationException - on error

mul

public java.lang.Object mul(java.lang.Object l,
                            java.lang.Object r)
                     throws EvaluationException

Not implemented for this field.

Specified by:

mul in interface FieldI

Parameters:

l - left hand argument

r - right hand argument

Returns:

null

Throws:

EvaluationException - on error

div

public java.lang.Object div(java.lang.Object l,
                            java.lang.Object r)
                     throws EvaluationException

Not implemented for this field.

Specified by:

div in interface FieldI

Parameters:

l - left hand argument

r - right hand argument

Returns:

null

Throws:

EvaluationException - on error

mod

public java.lang.Object mod(java.lang.Object l,
                            java.lang.Object r)
                     throws EvaluationException

Not implemented for this field.

Specified by:

mod in interface FieldI

Parameters:

l - left hand argument

r - right hand argument

Returns:

null

Throws:

EvaluationException - on error

pow

public java.lang.Object pow(java.lang.Object l,
                            java.lang.Object r)
                     throws EvaluationException

Not implemented for this field.

Specified by:

pow in interface FieldI

Parameters:

l - left hand argument

r - right hand argument

Returns:

null

Throws:

EvaluationException - on error

getOne

public java.lang.Object getOne()

Not defined for this field

Specified by:

getOne in interface FieldI

Returns:

null

getZero

public java.lang.Object getZero()

Not defined for this field

Specified by:

getZero in interface FieldI

Returns:

null