org.osgi.util.tracker.ServiceTracker.Tracked Class Reference

Inheritance diagram for org.osgi.util.tracker.ServiceTracker.Tracked:

org.osgi.framework.ServiceListener org.osgi.util.tracker.ServiceTracker.AllTracked

List of all members.


Detailed Description

Inner class to track services.

If a ServiceTracker object is reused (closed then reopened), then a new Tracked object is used. This class is a hashtable mapping ServiceReference object -> customized Object. This class is the ServiceListener object for the tracker. This class is used to synchronize access to the tracked services. This is not a public class. It is only for use by the implementation of the ServiceTracker class.

Definition at line 758 of file ServiceTracker.java.


Public Member Functions

void serviceChanged (ServiceEvent event)
 ServiceListener method for the ServiceTracker class.

Protected Member Functions

 Tracked ()
 Tracked constructor.
void setInitialServices (ServiceReference[] references)
 Set initial list of services into tracker before ServiceEvents begin to be received.
void trackInitialServices ()
 Track the initial list of services.
void close ()
 Called by the owning ServiceTracker object when it is closed.
void track (ServiceReference reference)
 Begin to track the referenced service.
void untrack (ServiceReference reference)
 Discontinue tracking the referenced service.

Member Function Documentation

void org.osgi.util.tracker.ServiceTracker.Tracked.setInitialServices ( ServiceReference[]  references  )  [protected]

Set initial list of services into tracker before ServiceEvents begin to be received.

This method must be called from ServiceTracker.open while synchronized on this object in the same synchronized block as the addServiceListener call.

Parameters:
references The initial list of services to be tracked.

Definition at line 821 of file ServiceTracker.java.

References org.osgi.util.tracker.ServiceTracker.size().

Referenced by org.osgi.util.tracker.ServiceTracker.open().

void org.osgi.util.tracker.ServiceTracker.Tracked.trackInitialServices (  )  [protected]

Track the initial list of services.

This is called after ServiceEvents can begin to be received.

This method must be called from ServiceTracker.open while not synchronized on this object after the addServiceListener call.

Definition at line 843 of file ServiceTracker.java.

Referenced by org.osgi.util.tracker.ServiceTracker.open().

void org.osgi.util.tracker.ServiceTracker.Tracked.serviceChanged ( ServiceEvent  event  ) 

ServiceListener method for the ServiceTracker class.

This method must NOT be synchronized to avoid deadlock potential.

Parameters:
event ServiceEvent object from the framework.

Implements org.osgi.framework.ServiceListener.

Definition at line 906 of file ServiceTracker.java.

References org.osgi.util.tracker.ServiceTracker.filter, org.osgi.framework.ServiceEvent.getType(), org.osgi.util.tracker.ServiceTracker.listenerFilter, org.osgi.framework.Filter.match(), org.osgi.util.tracker.ServiceTracker.Tracked.track(), and org.osgi.util.tracker.ServiceTracker.Tracked.untrack().

void org.osgi.util.tracker.ServiceTracker.Tracked.track ( ServiceReference  reference  )  [protected]

Begin to track the referenced service.

Parameters:
reference Reference to a service to be tracked.

Definition at line 963 of file ServiceTracker.java.

References org.osgi.util.tracker.ServiceTracker.customizer, org.osgi.util.tracker.ServiceTracker.modified(), and org.osgi.util.tracker.ServiceTrackerCustomizer.modifiedService().

Referenced by org.osgi.util.tracker.ServiceTracker.Tracked.serviceChanged().

void org.osgi.util.tracker.ServiceTracker.Tracked.untrack ( ServiceReference  reference  )  [protected]

Discontinue tracking the referenced service.

Parameters:
reference Reference to the tracked service.

Definition at line 1071 of file ServiceTracker.java.

References org.osgi.util.tracker.ServiceTracker.customizer, org.osgi.util.tracker.ServiceTracker.modified(), and org.osgi.util.tracker.ServiceTrackerCustomizer.removedService().

Referenced by org.osgi.util.tracker.ServiceTracker.close(), org.osgi.util.tracker.ServiceTracker.remove(), and org.osgi.util.tracker.ServiceTracker.Tracked.serviceChanged().


The documentation for this class was generated from the following file:
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