org.osgi.util.tracker

Class ServiceTracker.Tracked

java.lang.Object

org.osgi.util.tracker.AbstractTracked

org.osgi.util.tracker.ServiceTracker.Tracked

All Implemented Interfaces:

java.util.EventListener, org.osgi.framework.ServiceListener

Direct Known Subclasses:

ServiceTracker.AllTracked

Enclosing class:

ServiceTracker

class ServiceTracker.Tracked
extends AbstractTracked
implements org.osgi.framework.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) java.lang.Object	customizerAdding(java.lang.Object item, java.lang.Object related) Call the specific customizer adding method.
(package private) void	customizerModified(java.lang.Object item, java.lang.Object related, java.lang.Object object) Call the specific customizer modified method.
(package private) void	customizerRemoved(java.lang.Object item, java.lang.Object related, java.lang.Object 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(org.osgi.framework.ServiceEvent event) ServiceListener method for the ServiceTracker class.

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

close, getCustomizedObject, getTracked, getTrackingCount, 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 void serviceChanged(org.osgi.framework.ServiceEvent event)

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

Specified by:

serviceChanged in interface org.osgi.framework.ServiceListener

Parameters:

event - ServiceEvent object from the framework.

modified

void modified()

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

Overrides:

modified in class AbstractTracked

customizerAdding

java.lang.Object customizerAdding(java.lang.Object item,
                                  java.lang.Object related)

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

Specified by:

customizerAdding in class AbstractTracked

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

void customizerModified(java.lang.Object item,
                        java.lang.Object related,
                        java.lang.Object object)

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

Specified by:

customizerModified in class AbstractTracked

Parameters:

item - Tracked item.

related - Action related object.

object - Customized object for the tracked item.

customizerRemoved

void customizerRemoved(java.lang.Object item,
                       java.lang.Object related,
                       java.lang.Object object)

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

Specified by:

customizerRemoved in class AbstractTracked

Parameters:

item - Tracked item.

related - Action related object.

object - Customized object for the tracked item.