Collaboration diagram for javolution.osgi.internal.ServiceTrackerImpl< C >:

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Public Member Functions
	ServiceTrackerImpl (Class< C > type, Class<? extends C > defaultImplClass)

void	activate (BundleContext bc)

void	deactivate (BundleContext bc)

Object[]	getServices ()

Private Attributes
volatile ServiceTracker< C, C >	tracker

final Class< C >	type

final Class<? extends C >	defaultImplClass

C	defaultImpl

Detailed Description

Bridge to service tracker (does not trigger class loading exception if running outside OSGi).

Definition at line 18 of file ServiceTrackerImpl.java.

Constructor & Destructor Documentation

◆ ServiceTrackerImpl()

javolution.osgi.internal.ServiceTrackerImpl< C >.ServiceTrackerImpl	(	Class< C >	type,
		Class<? extends C >	defaultImplClass
	)

Creates a context tracker for the specified context type.

Definition at line 26 of file ServiceTrackerImpl.java.

                                                                                   {
         this.defaultImplClass = defaultImplClass;
         this.type = type;
     }

Member Function Documentation

◆ activate()

void javolution.osgi.internal.ServiceTrackerImpl< C >.activate ( BundleContext bc )

Activates OSGi tracking.

Definition at line 32 of file ServiceTrackerImpl.java.

                                            {
         ServiceTracker<C, C> trk = new ServiceTracker<C, C>(bc, type, null);
         trk.open();
         tracker = trk;
     }

Referenced by javolution.osgi.internal.JavolutionActivator.start().

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◆ deactivate()

void javolution.osgi.internal.ServiceTrackerImpl< C >.deactivate ( BundleContext bc )

Deactivates OSGi tracking.

Definition at line 39 of file ServiceTrackerImpl.java.

                                              {
         tracker.close();
         tracker = null;
     }

Referenced by javolution.osgi.internal.JavolutionActivator.stop().

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◆ getServices()

Object [] javolution.osgi.internal.ServiceTrackerImpl< C >.getServices ( )

Returns the published services or the default implementation if none.

Definition at line 45 of file ServiceTrackerImpl.java.

                                   {
         ServiceTracker<C, C> trk = tracker;
         if (trk != null) {
             Object[] services = trk.getServices();
             if (services != null) return services;        
         }
         synchronized (this) {
             if (defaultImpl == null) {
                 try {
                     defaultImpl = defaultImplClass.newInstance();
                 } catch (Throwable error) {
                     throw new RuntimeException(error);
                 } 
             }
         }
         return new Object[] { defaultImpl };
     }