de.intarsys.tools.functor
Class ConstantFunctor

java.lang.Object
  de.intarsys.tools.functor.CommonFunctor
      de.intarsys.tools.functor.ConstantFunctor

All Implemented Interfaces:

IFunctor

public class ConstantFunctor
extends CommonFunctor

A common utility IFunctor returning a constant value.

Constructor Summary

ConstantFunctor(java.lang.Object constant)

Method Summary

java.lang.Object	getConstant()
java.lang.Object	perform(IFunctorCall call) Perform the encapsulated business logic in the context defined in "call".

Methods inherited from class java.lang.Object

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

Constructor Detail

ConstantFunctor

public ConstantFunctor(java.lang.Object constant)

Method Detail

getConstant

public java.lang.Object getConstant()

perform

public java.lang.Object perform(IFunctorCall call)
                         throws FunctorInvocationException

Description copied from interface: IFunctor

Perform the encapsulated business logic in the context defined in "call".

Parameters:

call - The call context

Returns:

The behavior execution result.

Throws:

FunctorInvocationException - An exception that raised while executing the business logic will be wrapped in a FunctorInvocationException.