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

Interface WeightProvider

All Known Implementing Classes:
AbstractWeightProvider, DefaultWeightProvider, EcoreWeightProvider
public interface WeightProvider
Provide the weight to consider while comparing EObjects by their content.

  • Nested Class Summary

    Nested Classes 
    Modifier and Type Interface Description
    static interface  WeightProvider.Descriptor
    Wrapper describing the given weight provider.

  • Method Summary

    Modifier and Type Method Description
    int getContainingFeatureWeight​(EObject a)
    Return the weight associated with the fact some Object has changed it's containing reference.
    int getParentWeight​(EObject a)
    Return the weight associated with the fact some Object has changed it's container.
    int getWeight​(EStructuralFeature attribute)
    Return the weight for the given feature.

  • Method Details

    • getWeight

      int getWeight​(EStructuralFeature attribute)
      Return the weight for the given feature.
      Parameters:
      attribute - any EStructuralFeature.
      Returns:
      the weight for the given feature. 0 meaning no effects.

    • getParentWeight

      int getParentWeight​(EObject a)
      Return the weight associated with the fact some Object has changed it's container.
      Parameters:
      a - any instance.
      Returns:
      a weight representing the importance of the change of container to compute matches.

    • getContainingFeatureWeight

      int getContainingFeatureWeight​(EObject a)
      Return the weight associated with the fact some Object has changed it's containing reference.
      Parameters:
      a - any instance.
      Returns:
      a weight representing the importance of the change of containing reference to compute matches.