org.apache.sling.commons.osgi

Class SortingServiceTracker<T>

java.lang.Object

org.osgi.util.tracker.ServiceTracker

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

All Implemented Interfaces:

org.osgi.util.tracker.ServiceTrackerCustomizer

public class SortingServiceTracker<T>
extends org.osgi.util.tracker.ServiceTracker

Implementation providing a sorted list of services by service ranking.

Field Summary

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

context, filter

Constructor Summary

Constructors

Constructor and Description
SortingServiceTracker(org.osgi.framework.BundleContext context, java.lang.String clazz) Constructor

Method Summary

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

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

Constructor Detail

SortingServiceTracker

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

Constructor

Parameters:

context - Bundle context

clazz - Class

Method Detail

removedService

public void removedService(org.osgi.framework.ServiceReference reference,
                           java.lang.Object service)

Specified by:

removedService in interface org.osgi.util.tracker.ServiceTrackerCustomizer

Overrides:

removedService in class org.osgi.util.tracker.ServiceTracker

See Also:

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

modifiedService

public void modifiedService(org.osgi.framework.ServiceReference reference,
                            java.lang.Object service)

Specified by:

modifiedService in interface org.osgi.util.tracker.ServiceTrackerCustomizer

Overrides:

modifiedService in class org.osgi.util.tracker.ServiceTracker

See Also:

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

addingService

public java.lang.Object addingService(org.osgi.framework.ServiceReference reference)

Specified by:

addingService in interface org.osgi.util.tracker.ServiceTrackerCustomizer

Overrides:

addingService in class org.osgi.util.tracker.ServiceTracker

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<org.osgi.framework.ServiceReference> getSortedServiceReferences()

Return a sorted list of the services references.

Returns:

Service list