org.rhq.enterprise.server.naming.util

Interface DecoratorSetContext<Type,Decorator>

All Known Implementing Classes:

AccessCheckingContextDecoratorSetContext, URLPreferringContextDecoratorSetContext

public interface DecoratorSetContext<Type,Decorator>

Implementations of this interface provide a context to the DecoratorPicker.

Author:

Lukas Krejci

Method Summary

Methods

Modifier and Type	Method and Description
Set<Class<? extends Decorator>>	getDecoratorClasses()
Set<Class<? extends Type>>	getSupportedInterfaces()
void	init(Decorator decorator, Type object) Initializes the decorator to decorate given object.
Decorator	instantiate(Class<? extends Decorator> decoratorClass) Instantiates a new decorator of given class.

Method Detail

getSupportedInterfaces

Set<Class<? extends Type>> getSupportedInterfaces()

Returns:

the set of interfaces that the decorators are able support. Usually this should be just a union of all interfaces the decorators implement but can be trimmed down.

getDecoratorClasses

Set<Class<? extends Decorator>> getDecoratorClasses()

Returns:

the set of all decorator classes in this set

instantiate

Decorator instantiate(Class<? extends Decorator> decoratorClass)
                      throws Exception

Instantiates a new decorator of given class.

Parameters:

decoratorClass -

Returns:

Throws:

Exception

init

void init(Decorator decorator,
        Type object)
          throws Exception

Initializes the decorator to decorate given object.

Parameters:

decorator -

object -

Throws:

Exception - on error