Package org.apache.sling.commons.osgi

Class SortingServiceTracker<T>

java.lang.Object

org.osgi.util.tracker.ServiceTracker<T,T>

org.apache.sling.commons.osgi.SortingServiceTracker<T>

All Implemented Interfaces:

ServiceTrackerCustomizer<T,T>

public class SortingServiceTracker<T>
extends ServiceTracker<T,T>

Implementation providing a sorted list of services by service ranking.

Constructor Summary

Constructors

Constructor	Description
SortingServiceTracker(BundleContext context, java.lang.String clazz)	Constructor

Method Summary

Modifier and Type	Method	Description
T	addingService(ServiceReference<T> reference)
java.util.List<ServiceReference<T>>	getSortedServiceReferences()	Return a sorted list of the services references.
java.util.List<T>	getSortedServices()	Return a sorted list of the services.
void	modifiedService(ServiceReference<T> reference, T service)
void	removedService(ServiceReference<T> reference, T service)

Methods inherited from class org.osgi.util.tracker.ServiceTracker

close, getService, getService, getServiceReference, getServiceReferences, getServices, getServices, getTracked, getTrackingCount, isEmpty, open, open, remove, size, waitForService

Methods inherited from class java.lang.Object

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

Constructor Detail

SortingServiceTracker

public SortingServiceTracker(BundleContext context,
                             java.lang.String clazz)

Constructor

Parameters:

context - Bundle context

clazz - Class

Method Detail

removedService

public void removedService(ServiceReference<T> reference,
                           T service)

Specified by:

removedService in interface ServiceTrackerCustomizer<T,T>

Overrides:

removedService in class ServiceTracker<T,T>

See Also:

ServiceTracker.removedService(org.osgi.framework.ServiceReference, java.lang.Object)

modifiedService

public void modifiedService(ServiceReference<T> reference,
                            T service)

Specified by:

modifiedService in interface ServiceTrackerCustomizer<T,T>

Overrides:

modifiedService in class ServiceTracker<T,T>

See Also:

ServiceTrackerCustomizer.modifiedService(org.osgi.framework.ServiceReference, java.lang.Object)

addingService

public T addingService(ServiceReference<T> reference)

Specified by:

addingService in interface ServiceTrackerCustomizer<T,T>

Overrides:

addingService in class ServiceTracker<T,T>

See Also:

ServiceTrackerCustomizer.addingService(org.osgi.framework.ServiceReference)

getSortedServices

public java.util.List<T> getSortedServices()

Return a sorted list of the services.

Returns:

Service list

getSortedServiceReferences

public java.util.List<ServiceReference<T>> getSortedServiceReferences()

Return a sorted list of the services references.

Returns:

Service list