de.intarsys.tools.functor

Class FunctorMethodHandler

java.lang.Object

de.intarsys.tools.functor.FunctorMethodHandler

All Implemented Interfaces:

IAttributeSupport, IMethodHandler

public class FunctorMethodHandler
extends Object
implements IMethodHandler, IAttributeSupport

Constructor Summary

Constructors

Constructor and Description
FunctorMethodHandler(String name, IFunctor invoker)

Method Summary

Methods

Modifier and Type	Method and Description
static IMethodHandler	create(IFunctor functor)
Object	getAttribute(Object key) Get an attribute value from the context
IFunctor	getInvoker()
String	getName()
Object	invoke(Object receiver, IArgs args) Execute the implementation associated with this method in the context of the receiver and return the result.
Object	removeAttribute(Object key) Remove an attribute binding in the context
Object	setAttribute(Object key, Object value) Set the value of an attribute in the context

Methods inherited from class java.lang.Object

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

Constructor Detail

FunctorMethodHandler

public FunctorMethodHandler(String name,
                    IFunctor invoker)

Method Detail

create

public static IMethodHandler create(IFunctor functor)

getAttribute

public Object getAttribute(Object key)

Description copied from interface: IAttributeSupport

Get an attribute value from the context

Specified by:

getAttribute in interface IAttributeSupport

Parameters:

key - the name of the attribute to get

Returns:

The value of the attribute key

getInvoker

public IFunctor getInvoker()

getName

public String getName()

invoke

public Object invoke(Object receiver,
            IArgs args)
              throws MethodInvocationException

Description copied from interface: IMethodHandler

Execute the implementation associated with this method in the context of the receiver and return the result.

Specified by:

invoke in interface IMethodHandler

Parameters:

receiver - The object implementing the method.

args - The arguments for the invocation.

Returns:

The result of the invocation.

Throws:

MethodInvocationException

removeAttribute

public Object removeAttribute(Object key)

Description copied from interface: IAttributeSupport

Remove an attribute binding in the context

Specified by:

removeAttribute in interface IAttributeSupport

Parameters:

key - the name of the attribute to remove

Returns:

The previously associated value for key

setAttribute

public Object setAttribute(Object key,
                  Object value)

Description copied from interface: IAttributeSupport

Set the value of an attribute in the context

Specified by:

setAttribute in interface IAttributeSupport

Parameters:

key - the name of the attribute to set

value - the new value the attribute

Returns:

The previously associated value for key