org.apache.jackrabbit.oak.spi.whiteboard

Interface Whiteboard

All Known Implementing Classes:

DefaultWhiteboard, OsgiWhiteboard

@ProviderType
public interface Whiteboard

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) Starts tracking services of the given type.
<T> Tracker<T>	track(java.lang.Class<T> type, java.util.Map<java.lang.String,java.lang.String> filterProperties) Starts tracking services of the given type, with given attributes.

Method Detail

register

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

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

Parameters:

type - type of the service

service - service instance

properties - service properties

Returns:

service registration

track

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

Starts tracking services of the given type.

Parameters:

type - type of the services to track

Returns:

service tracker

track

<T> Tracker<T> track(java.lang.Class<T> type,
                     java.util.Map<java.lang.String,java.lang.String> filterProperties)

Starts tracking services of the given type, with given attributes.

Parameters:

type - type of the services to track

filterProperties - only services with these properties will be tracked. Null keys are not permitted. Null values means that the property should be absent.

Returns:

service tracker