public String removeRelationshipName(IdentityStoreInvocationContext ctx, String name)
      throws IdentityException, OperationNotSupportedException {
    cacheSupport.invalidateIdentityObjectRelationshipNameSearches(getCacheNS(ctx));
    cacheSupport.invalidateIdentityObjectRelationshipSearches(getCacheNS(ctx));
    cacheSupport.invalidateIdentityObjectSearches(getCacheNS(ctx));
    cacheSupport.invalidateRelationshipNameProperties(getCacheNS(ctx), name);

    return identityStore.removeRelationshipName(ctx, name);
  }