org.apache.jackrabbit.oak.osgi

Class OsgiWhiteboard

java.lang.Object

org.apache.jackrabbit.oak.osgi.OsgiWhiteboard

All Implemented Interfaces:

Whiteboard

public class OsgiWhiteboard
extends java.lang.Object
implements Whiteboard

OSGi-based whiteboard implementation.

Constructor Summary

Constructors

Constructor and Description
OsgiWhiteboard(org.osgi.framework.BundleContext context)

Method Summary

Modifier and Type	Method and Description
<T> Registration	register(java.lang.Class<T> type, T service, java.util.Map<?,?> properties) Publishes the given service to the whiteboard.
<T> Tracker<T>	track(java.lang.Class<T> type) Returns a tracker for services of the given type.

Methods inherited from class java.lang.Object

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

Constructor Detail

OsgiWhiteboard

public OsgiWhiteboard(org.osgi.framework.BundleContext context)

Method Detail

register

public <T> Registration register(java.lang.Class<T> type,
                                 T service,
                                 java.util.Map<?,?> properties)

Description copied from interface: Whiteboard

Publishes the given service to the whiteboard. Use the returned registration object to unregister the service.

Specified by:

register in interface Whiteboard

Parameters:

type - type of the service

service - service instance

properties - service properties

Returns:

service registration

track

public <T> Tracker<T> track(java.lang.Class<T> type)

Returns a tracker for services of the given type. The returned tracker is optimized for frequent Tracker.getServices() calls through the use of a pre-compiled list of services that's atomically updated whenever services are added, modified or removed.

Specified by:

track in interface Whiteboard

Parameters:

type - type of the services to track

Returns:

service tracker