private void getGroupResourcePlacements(ReservationRemovalTaskState state) { logInfo("Retrieving group resource placement: %s", state.groupResourcePlacementLink); sendRequest(Operation.createGet(this, state.groupResourcePlacementLink) .setCompletion((o, e) -> { if (e != null) { failTask("Failure retrieving group placement", e); return; } GroupResourcePlacementState groupPlacementState = o .getBody(GroupResourcePlacementState.class); releaseResourcePlacement(state, groupPlacementState); })); }