Package org.apache.jackrabbit.oak.spi.commit

Class ObserverTracker

java.lang.Object

org.apache.jackrabbit.oak.spi.commit.ObserverTracker

All Implemented Interfaces:

ServiceTrackerCustomizer

public class ObserverTracker
extends java.lang.Object
implements ServiceTrackerCustomizer

Constructor Summary

Constructors

Constructor	Description
ObserverTracker(@NotNull Observable observable)

Method Summary

Modifier and Type	Method	Description
java.lang.Object	addingService(ServiceReference reference)	A service is being added to the ServiceTracker.
void	modifiedService(ServiceReference reference, java.lang.Object service)	A service tracked by the ServiceTracker has been modified.
void	removedService(ServiceReference reference, java.lang.Object service)	A service tracked by the ServiceTracker has been removed.
void	start(@NotNull BundleContext bundleContext)
void	stop()

Methods inherited from class java.lang.Object

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

Constructor Detail

ObserverTracker

public ObserverTracker(@NotNull
                       @NotNull Observable observable)

Method Detail

start

public void start(@NotNull
                  @NotNull BundleContext bundleContext)

stop

public void stop()

addingService

public java.lang.Object addingService(ServiceReference reference)

Description copied from interface: ServiceTrackerCustomizer

A service is being added to the ServiceTracker.

This method is called before a service which matched the search parameters of the ServiceTracker is added to the ServiceTracker. This method should return the service object to be tracked for the specified ServiceReference. The returned service object is stored in the ServiceTracker and is available from the getService and getServices methods.

Specified by:

addingService in interface ServiceTrackerCustomizer

Parameters:

reference - The reference to the service being added to the ServiceTracker.

Returns:

The service object to be tracked for the specified referenced service or null if the specified referenced service should not be tracked.

modifiedService

public void modifiedService(ServiceReference reference,
                            java.lang.Object service)

Description copied from interface: ServiceTrackerCustomizer

A service tracked by the ServiceTracker has been modified.

This method is called when a service being tracked by the ServiceTracker has had it properties modified.

Specified by:

modifiedService in interface ServiceTrackerCustomizer

Parameters:

reference - The reference to the service that has been modified.

service - The service object for the specified referenced service.

removedService

public void removedService(ServiceReference reference,
                           java.lang.Object service)

Description copied from interface: ServiceTrackerCustomizer

A service tracked by the ServiceTracker has been removed.

This method is called after a service is no longer being tracked by the ServiceTracker.

Specified by:

removedService in interface ServiceTrackerCustomizer

Parameters:

reference - The reference to the service that has been removed.

service - The service object for the specified referenced service.