Interface Whiteboard
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- All Known Implementing Classes:
DefaultWhiteboard,OsgiWhiteboard
@ProviderType public interface Whiteboard
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Method Summary
All Methods Instance Methods Abstract Methods Modifier and Type Method Description <T> Registrationregister(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.
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Method Detail
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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 serviceservice- service instanceproperties- service properties. Those need to useStringkeys, but for backwards compatibility reasons this is not enforced via generics.- Returns:
- service registration
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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
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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 trackfilterProperties- 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
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