Package org.apache.aries.util.tracker

Class InternalRecursiveBundleTracker

java.lang.Object

org.osgi.util.tracker.BundleTracker

org.apache.aries.util.tracker.InternalRecursiveBundleTracker

All Implemented Interfaces:

BundleTrackerCustomizer

public class InternalRecursiveBundleTracker
extends BundleTracker

A BundleTracker which will track bundles in the given context, and also bundles in any child contexts. This should be used instead of the normal non-recursive BundleTracker when registering bundle tracker customizers.

Constructor Summary

Constructors

Constructor	Description
InternalRecursiveBundleTracker(BundleContext context, int stateMask, BundleTrackerCustomizer customizer, boolean nested)

Method Summary

Modifier and Type	Method	Description
java.lang.Object	addingBundle(Bundle b, BundleEvent event)	Default implementation of the BundleTrackerCustomizer.addingBundle method.
void	modifiedBundle(Bundle b, BundleEvent event, java.lang.Object object)	Default implementation of the BundleTrackerCustomizer.modifiedBundle method.
void	removedBundle(Bundle b, BundleEvent event, java.lang.Object object)	Default implementation of the BundleTrackerCustomizer.removedBundle method.

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

close, getBundles, getObject, getTracked, getTrackingCount, isEmpty, open, remove, size

Methods inherited from class java.lang.Object

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

Constructor Detail

InternalRecursiveBundleTracker

public InternalRecursiveBundleTracker(BundleContext context,
                                      int stateMask,
                                      BundleTrackerCustomizer customizer,
                                      boolean nested)

Method Detail

addingBundle

public java.lang.Object addingBundle(Bundle b,
                                     BundleEvent event)

Description copied from class: BundleTracker

Default implementation of the BundleTrackerCustomizer.addingBundle method.

This method is only called when this BundleTracker has been constructed with a null BundleTrackerCustomizer argument.

This implementation simply returns the specified Bundle.

This method can be overridden in a subclass to customize the object to be tracked for the bundle being added.

Specified by:

addingBundle in interface BundleTrackerCustomizer

Overrides:

addingBundle in class BundleTracker

Parameters:

b - The Bundle being added to this BundleTracker object.

event - The bundle event which caused this customizer method to be called or null if there is no bundle event associated with the call to this method.

Returns:

The specified bundle.

See Also:

BundleTrackerCustomizer.addingBundle(Bundle, BundleEvent)

modifiedBundle

public void modifiedBundle(Bundle b,
                           BundleEvent event,
                           java.lang.Object object)

Description copied from class: BundleTracker

Default implementation of the BundleTrackerCustomizer.modifiedBundle method.

This method is only called when this BundleTracker has been constructed with a null BundleTrackerCustomizer argument.

This implementation does nothing.

Specified by:

modifiedBundle in interface BundleTrackerCustomizer

Overrides:

modifiedBundle in class BundleTracker

Parameters:

b - The Bundle whose state has been modified.

event - The bundle event which caused this customizer method to be called or null if there is no bundle event associated with the call to this method.

object - The customized object for the specified Bundle.

See Also:

BundleTrackerCustomizer.modifiedBundle(Bundle, BundleEvent, Object)

removedBundle

public void removedBundle(Bundle b,
                          BundleEvent event,
                          java.lang.Object object)

Description copied from class: BundleTracker

Default implementation of the BundleTrackerCustomizer.removedBundle method.

This method is only called when this BundleTracker has been constructed with a null BundleTrackerCustomizer argument.

This implementation does nothing.

Specified by:

removedBundle in interface BundleTrackerCustomizer

Overrides:

removedBundle in class BundleTracker

Parameters:

b - The Bundle being removed.

event - The bundle event which caused this customizer method to be called or null if there is no bundle event associated with the call to this method.

object - The customized object for the specified bundle.

See Also:

BundleTrackerCustomizer.removedBundle(Bundle, BundleEvent, Object)