org.everit.osgi.ecm.component.ri.internal

Class ActivateMethodHelper<C>

java.lang.Object

org.everit.osgi.ecm.component.ri.internal.ActivateMethodHelper<C>

Type Parameters:

C - Type of the Component implementation.

public class ActivateMethodHelper<C>
extends Object

Helper class to resolve and call the activate method of the component. Resolving will similar rules as it is defined in Declarative Services specification:

If the metadata information contains parameter types for the activate method, the specified method will be used. If parameter types are not provided, then the following methods will be searched and the first result will be used:

• a method with a ComponentContext parameter
• a method with a BundleContext parameter
• a method with a Map parameter
• a method that contains one or more of the following parameters: ComponentContext, BundleContext, Map
• a method without any parameter

Constructor Summary

Constructors

Constructor and Description
ActivateMethodHelper(ComponentContextImpl<C> componentContext) Constructor.

Method Summary

Modifier and Type	Method and Description
void	call(Object instance) Call the activate method on the component instance.

Methods inherited from class java.lang.Object

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

Constructor Detail

ActivateMethodHelper

public ActivateMethodHelper(ComponentContextImpl<C> componentContext)

Constructor.

Method Detail

call

public void call(Object instance)
          throws IllegalAccessException,
                 InvocationTargetException

Call the activate method on the component instance.

Parameters:

instance - The component instance.

Throws:

IllegalAccessException - thrown by java reflection API.

InvocationTargetException - if activate method throws an exception.