Package de.eimmer.zusatzmodul

Class EinfacherDiensteGeschaeftsfuehrer

java.lang.Object
de.eimmer.zusatzmodul.EinfacherDiensteGeschaeftsfuehrer
All Implemented Interfaces:
DiensteGeschaeftsfuehrer
public class EinfacherDiensteGeschaeftsfuehrer extends Object implements DiensteGeschaeftsfuehrer
A simple services manager.

  • Constructor Details

    • EinfacherDiensteGeschaeftsfuehrer

      public EinfacherDiensteGeschaeftsfuehrer()

  • Method Details

    • register

      public <T> void register(@NotNull Class<T> service, @NotNull T provider, @NotNull Zusatzmodul zusatzmodul, @NotNull DienstPrioritaet priority)
      Register a provider of a service.
      Specified by:
      register in interface DiensteGeschaeftsfuehrer
      Type Parameters:
      T - Provider
      Parameters:
      service - service class
      provider - provider to register
      zusatzmodul - zusatzmodul with the provider
      priority - priority of the provider

    • unregisterAll

      public void unregisterAll(@NotNull Zusatzmodul zusatzmodul)
      Unregister all the providers registered by a particular zusatzmodul.
      Specified by:
      unregisterAll in interface DiensteGeschaeftsfuehrer
      Parameters:
      zusatzmodul - The zusatzmodul

    • unregister

      public void unregister(@NotNull Class<?> service, @NotNull Object provider)
      Unregister a particular provider for a particular service.
      Specified by:
      unregister in interface DiensteGeschaeftsfuehrer
      Parameters:
      service - The service interface
      provider - The service provider implementation

    • unregister

      public void unregister(@NotNull Object provider)
      Unregister a particular provider.
      Specified by:
      unregister in interface DiensteGeschaeftsfuehrer
      Parameters:
      provider - The service provider implementation

    • load

      @Nullable public <T> T load(@NotNull Class<T> service)
      Queries for a provider. This may return if no provider has been registered for a service. The highest priority provider is returned.
      Specified by:
      load in interface DiensteGeschaeftsfuehrer
      Type Parameters:
      T - The service interface
      Parameters:
      service - The service interface
      Returns:
      provider or null

    • getRegistration

      @Nullable public <T> RegistrierterDienstAnbieter<T> getRegistration(@NotNull Class<T> service)
      Queries for a provider registration. This may return if no provider has been registered for a service.
      Specified by:
      getRegistration in interface DiensteGeschaeftsfuehrer
      Type Parameters:
      T - The service interface
      Parameters:
      service - The service interface
      Returns:
      provider registration or null

    • getRegistrations

      @NotNull public List<RegistrierterDienstAnbieter<?>> getRegistrations(@NotNull Zusatzmodul zusatzmodul)
      Get registrations of providers for a zusatzmodul.
      Specified by:
      getRegistrations in interface DiensteGeschaeftsfuehrer
      Parameters:
      zusatzmodul - The zusatzmodul
      Returns:
      provider registrations

    • getRegistrations

      @NotNull public <T> List<RegistrierterDienstAnbieter<T>> getRegistrations(@NotNull Class<T> service)
      Get registrations of providers for a service. The returned list is an unmodifiable copy.
      Specified by:
      getRegistrations in interface DiensteGeschaeftsfuehrer
      Type Parameters:
      T - The service interface
      Parameters:
      service - The service interface
      Returns:
      a copy of the list of registrations

    • getKnownServices

      @NotNull public Set<Class<?>> getKnownServices()
      Get a list of known services. A service is known if it has registered providers for it.
      Specified by:
      getKnownServices in interface DiensteGeschaeftsfuehrer
      Returns:
      a copy of the set of known services

    • isProvidedFor

      public <T> boolean isProvidedFor(@NotNull Class<T> service)
      Returns whether a provider has been registered for a service.
      Specified by:
      isProvidedFor in interface DiensteGeschaeftsfuehrer
      Type Parameters:
      T - service
      Parameters:
      service - service to check
      Returns:
      true if and only if there are registered providers