org.osgi.util.tracker

Class ServiceTracker.Tracked

java.lang.Object

org.osgi.util.tracker.AbstractTracked<ServiceReference<S>,T,ServiceEvent>

org.osgi.util.tracker.ServiceTracker.Tracked

All Implemented Interfaces:

java.util.EventListener, ServiceListener

Direct Known Subclasses:

ServiceTracker.AllTracked

Enclosing class:

ServiceTracker<S,T>

private class ServiceTracker.Tracked
extends AbstractTracked<ServiceReference<S>,T,ServiceEvent>
implements ServiceListener

Inner class which subclasses AbstractTracked. This class is the ServiceListener object for the tracker.

Field Summary

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

closed, DEBUG

Constructor Summary

Constructors

Constructor and Description
Tracked() Tracked constructor.

Method Summary

Modifier and Type	Method and Description
(package private) T	customizerAdding(ServiceReference<S> item, ServiceEvent related) Call the specific customizer adding method.
(package private) void	customizerModified(ServiceReference<S> item, ServiceEvent related, T object) Call the specific customizer modified method.
(package private) void	customizerRemoved(ServiceReference<S> item, ServiceEvent related, T object) Call the specific customizer removed method.
(package private) void	modified() Increment the tracking count and tell the tracker there was a modification.
void	serviceChanged(ServiceEvent event) ServiceListener method for the ServiceTracker class.

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

close, copyEntries, copyKeys, getCustomizedObject, getTrackingCount, isEmpty, setInitial, size, track, trackInitial, untrack

Methods inherited from class java.lang.Object

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

Constructor Detail

Tracked

Tracked()

Tracked constructor.

Method Detail

serviceChanged

public final void serviceChanged(ServiceEvent event)

ServiceListener method for the ServiceTracker class. This method must NOT be synchronized to avoid deadlock potential.

Specified by:

serviceChanged in interface ServiceListener

Parameters:

event - ServiceEvent object from the framework.

modified

final void modified()

Increment the tracking count and tell the tracker there was a modification.

Overrides:

modified in class AbstractTracked<ServiceReference<S>,T,ServiceEvent>

customizerAdding

final T customizerAdding(ServiceReference<S> item,
                         ServiceEvent related)

Call the specific customizer adding method. This method must not be called while synchronized on this object.

Specified by:

customizerAdding in class AbstractTracked<ServiceReference<S>,T,ServiceEvent>

Parameters:

item - Item to be tracked.

related - Action related object.

Returns:

Customized object for the tracked item or null if the item is not to be tracked.

customizerModified

final void customizerModified(ServiceReference<S> item,
                              ServiceEvent related,
                              T object)

Call the specific customizer modified method. This method must not be called while synchronized on this object.

Specified by:

customizerModified in class AbstractTracked<ServiceReference<S>,T,ServiceEvent>

Parameters:

item - Tracked item.

related - Action related object.

object - Customized object for the tracked item.

customizerRemoved

final void customizerRemoved(ServiceReference<S> item,
                             ServiceEvent related,
                             T object)

Call the specific customizer removed method. This method must not be called while synchronized on this object.

Specified by:

customizerRemoved in class AbstractTracked<ServiceReference<S>,T,ServiceEvent>

Parameters:

item - Tracked item.

related - Action related object.

object - Customized object for the tracked item.