ua.gradsoft.termware.transformers.general
Class PlusTransformer

java.lang.Object
  extended by ua.gradsoft.termware.AbstractBuildinTransformer
      extended by ua.gradsoft.termware.transformers.general.PlusTransformer
All Implemented Interfaces:
ITermTransformer

public class PlusTransformer
extends AbstractBuildinTransformer

tramsformer for plus

    +x -> x
    x+y -> ariphmetics sum of x and y if they are numeric.


Field Summary
static PlusTransformer INSTANCE
           
 
Method Summary
 String getDescription()
          get description of transformer.
 String getName()
          get name of transformer.
static Term static_transform(Term t, TermSystem termSys, TransformationContext ctx)
           
 Term transform(Term t, TermSystem termSys, TransformationContext ctx)
          attempt to transform term t .
 
Methods inherited from class ua.gradsoft.termware.AbstractBuildinTransformer
getSource
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Field Detail

INSTANCE

public static PlusTransformer INSTANCE
Method Detail

transform

public Term transform(Term t,
                      TermSystem termSys,
                      TransformationContext ctx)
               throws TermWareException
Description copied from interface: ITermTransformer
attempt to transform term t .

Parameters:
t - - term to transform
termSys - - system which give us access to ebvironment.
ctx - - context of transformation.
Returns:
- transformed term.
Throws:
TermWareException

static_transform

public static Term static_transform(Term t,
                                    TermSystem termSys,
                                    TransformationContext ctx)
                             throws TermWareException
Throws:
TermWareException

getDescription

public String getDescription()
Description copied from class: AbstractBuildinTransformer
get description of transformer. Default behaviour -- return the value of annotation @TransformerDescription binded to this.getClass().

Specified by:
getDescription in interface ITermTransformer
Overrides:
getDescription in class AbstractBuildinTransformer
See Also:
TransformerDescription

getName

public String getName()
Description copied from class: AbstractBuildinTransformer
get name of transformer. Default behaviour -- return the value of annotation @TransformerName binded to this.getClass().

Specified by:
getName in interface ITermTransformer
Overrides:
getName in class AbstractBuildinTransformer
Returns:
name of transformer.
See Also:
TransformerName