Class 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
    • Method Summary

      All Methods Instance Methods Concrete Methods 
      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