def _create_tenant_impl(tr, tenant_name, existence_check_marker, force_existence_check_maybe_committed=False):
tr.options.set_special_key_space_enable_writes()
key = b'%s%s' % (_tenant_map_prefix, tenant_name)
if _check_tenant_existence(tr, key, existence_check_marker, force_existence_check_maybe_committed) is True:
raise _impl.FDBError(2132) # tenant_already_exists
tr[key] = b''
def _delete_tenant_impl(tr, tenant_name, existence_check_marker, force_existence_check_maybe_committed=False):
tr.options.set_special_key_space_enable_writes()
key = b'%s%s' % (_tenant_map_prefix, tenant_name)
if _check_tenant_existence(tr, key, existence_check_marker, force_existence_check_maybe_committed) is False:
raise _impl.FDBError(2131) # tenant_not_found
del tr[key]
def _check_tenant_existence(tr, key, existence_check_marker, force_maybe_commited):
if not existence_check_marker:
existing_tenant = tr[key].wait()
existence_check_marker.append(None)
if force_maybe_commited:
raise _impl.FDBError(1021) # maybe_committed
return existing_tenant != None
return None