Package org.eclipse.emf.compare.merge

Interface ResourceChangeAdapter.IResourceChangeParticipant

Enclosing class:
ResourceChangeAdapter
public static interface ResourceChangeAdapter.IResourceChangeParticipant
A participant in a Resource content change, useful to indicate whether an empty resource must actually be deleted or not, and which other resources need to be deleted/undeleted along.

  • Method Summary

    Modifier and Type Method Description
    boolean acceptDelete​(Resource r)
    Whether the participant accepts the delete of the given resource.
    java.util.Collection<URI> associatedResourceURIs​(Resource r)
    Provide the resources to (un)delete along with the given resource.
    boolean interestedIn​(Resource r)
    Whether the participant is interested in the given resource.

  • Method Details

    • interestedIn

      boolean interestedIn​(Resource r)
      Whether the participant is interested in the given resource.
      Parameters:
      r - The resource
      Returns:
      true if the participant is interested in (relevant for) the given resource.

    • acceptDelete

      boolean acceptDelete​(Resource r)
      Whether the participant accepts the delete of the given resource.
      Parameters:
      r - The resource
      Returns:
      true if the participant is OK to delete the resource, false otherwise, which will block the deletion.

    • associatedResourceURIs

      java.util.Collection<URI> associatedResourceURIs​(Resource r)
      Provide the resources to (un)delete along with the given resource. This allows tools that want to atomically create/delete several resources at a time (for example, one sematin + one graphical resource) to deal with this atomicity.
      Parameters:
      r - The resource to (un)delete
      Returns:
      A collection of associated resources URI, must never be null but can be empty.