Package org.openhab.core.common.registry

Interface Provider<E>

Type Parameters:
E - type of the provided elements
All Known Subinterfaces:
ItemChannelLinkProvider, ItemProvider, ManagedMetadataProvider, ManagedProvider<E,K>, MetadataProvider, ModuleTypeProvider, PersistenceServiceConfigurationProvider, RuleProvider, RuleTemplateProvider, SemanticTagProvider, TemplateProvider<E>, ThingProvider, TransformationProvider, UIComponentProvider, UserProvider
All Known Implementing Classes:
AbstractManagedProvider, AbstractProvider, AnnotatedThingActionModuleTypeProvider, DefaultAbstractManagedProvider, DefaultSemanticTagProvider, FileTransformationProvider, ManagedItemChannelLinkProvider, ManagedItemProvider, ManagedPersistenceServiceConfigurationProvider, ManagedRuleProvider, ManagedSemanticTagProvider, ManagedThingProvider, ManagedTransformationProvider, ScriptedRuleProvider
@NonNullByDefault public interface Provider<@NonNull E>
A Provider provides elements of a determined type and the subinterfaces are registered as OSGi services. Providers are tracked by Registry services, which collect all elements from different providers of the same type.
Author:
Dennis Nobel - Initial contribution

  • Method Details

    • addProviderChangeListener

      void addProviderChangeListener(ProviderChangeListener<@NonNull E> listener)
      Adds a ProviderChangeListener which must be notified if there are changes concerning the elements provided by the Provider.
      Parameters:
      listener - the listener to be added

    • getAll

      Collection<E> getAll()
      Returns a collection of all elements.
      Returns:
      collection of all elements

    • removeProviderChangeListener

      void removeProviderChangeListener(ProviderChangeListener<@NonNull E> listener)
      Removes a ProviderChangeListener.
      Parameters:
      listener - the listener to be removed.