5344fcb8c96f0832510d319f36a3309a66ec3cee,core/kernel/source/jetbrains/mps/smodel/adapter/structure/ref/SReferenceLinkAdapterById.java,SReferenceLinkAdapterById,getReferenceDescriptor,#,49

Before Change


  }

  protected ReferenceDescriptor getReferenceDescriptor() {
    return ConceptRegistryUtil.getConceptDescriptor(myRoleId.getConceptId()).getRefDescriptor(myRoleId);
  }

  @Override

After Change


  }

  protected ReferenceDescriptor getReferenceDescriptor() {
    ConceptDescriptor cd = ConceptRegistryUtil.getConceptDescriptor(myRoleId.getConceptId());
    if (cd == null) return null;
    return cd.getRefDescriptor(myRoleId);
  }

  @Override