uk.co.strangeskies.osgi

Class RankedServiceTracker<T>

java.lang.Object

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

uk.co.strangeskies.osgi.RankedServiceTracker<T>

Type Parameters:

T - the type of the service to track

All Implemented Interfaces:

org.osgi.util.tracker.ServiceTrackerCustomizer<T,RankedService<T>>

public class RankedServiceTracker<T>
extends org.osgi.util.tracker.ServiceTracker<T,RankedService<T>>

A simple service tracker implementation to help keep track of service rankings by wrapping services with RankedService.

Field Summary

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

context, filter

Constructor Summary

Constructors

Constructor and Description
RankedServiceTracker(org.osgi.framework.BundleContext context, java.lang.Class<T> serviceClass, java.util.function.Consumer<RankedService<T>> add, java.util.function.Consumer<RankedService<T>> remove)
RankedServiceTracker(org.osgi.framework.BundleContext context, java.lang.Class<T> serviceClass, java.util.function.Consumer<RankedService<T>> add, java.util.function.Consumer<RankedService<T>> modify, java.util.function.Consumer<RankedService<T>> remove)

Method Summary

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

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

Methods inherited from class java.lang.Object

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

Constructor Detail

RankedServiceTracker

public RankedServiceTracker(org.osgi.framework.BundleContext context,
                            java.lang.Class<T> serviceClass,
                            java.util.function.Consumer<RankedService<T>> add,
                            java.util.function.Consumer<RankedService<T>> remove)

Parameters:

context - the bundle context to listen over

serviceClass - the class of service to track

add - callback for services beginning their lifecycle

remove - callback for services at the end of their lifecycle

RankedServiceTracker

public RankedServiceTracker(org.osgi.framework.BundleContext context,
                            java.lang.Class<T> serviceClass,
                            java.util.function.Consumer<RankedService<T>> add,
                            java.util.function.Consumer<RankedService<T>> modify,
                            java.util.function.Consumer<RankedService<T>> remove)

Parameters:

context - the bundle context to listen over

serviceClass - the class of service to track

add - callback for services beginning their lifecycle

modify - callback for services whose ranking has changed

remove - callback for services at the end of their lifecycle