Package org.eclipse.emf.compare.match.eobject

Interface EqualityHelperExtensionProvider.Descriptor.Registry

All Known Implementing Classes:
EqualityHelperExtensionProviderDescriptorRegistryImpl
Enclosing interface:
EqualityHelperExtensionProvider.Descriptor
public static interface EqualityHelperExtensionProvider.Descriptor.Registry
Registry of equality helper extension provider descriptors.

  • Method Details

    • put

      EqualityHelperExtensionProvider.Descriptor put(String key, EqualityHelperExtensionProvider.Descriptor descriptor)
      Adds a equality helper extension provider to the registry.
      Parameters:
      key - key with which the specified descriptor is to be associated
      descriptor - equality helper extension provider that is to be added to this registry.
      Returns:
      the previous descriptor associated with key, or null if there was no mapping for key. (A null return can also indicate that the map previously associated null with key, if the implementation supports null values.)

    • clear

      void clear()
      Removes all extensions from this registry.
      Restriction:
      This method is not intended to be referenced by clients.

    • getDescriptors

      Collection<EqualityHelperExtensionProvider.Descriptor> getDescriptors()
      This will return a copy of the registered equality helper extension providers list.
      Returns:
      A copy of the registered equality helper extension providers list.

    • remove

      EqualityHelperExtensionProvider.Descriptor remove(String key)
      Removes a equality helper extension provider from this registry.
      Parameters:
      key - key of the equality helper extension provider descriptor that is to be removed from the registry.
      Returns:
      the previous value associated with key, or null if there was no mapping for key.

    • getHighestRankingEqualityHelperExtensionProvider

      EqualityHelperExtensionProvider getHighestRankingEqualityHelperExtensionProvider(EPackage ePackage)
      Retrieve the highest ranking equality helper extension provider from a given ePackage.
      Parameters:
      ePackage - The given ePackage.
      Returns:
      The associated equality helper extension provider with the highest ranking.

    • getEqualityHelperExtensionProviders

      Collection<EqualityHelperExtensionProvider> getEqualityHelperExtensionProviders(EPackage ePackage)
      Retrieve the equality helper extension providers from a given ePackage.
      Parameters:
      ePackage - The given ePackage.
      Returns:
      The associated equality helper extension providers if any.