public void clearInternal() { try { Operation clearOperation = operationProvider.createClearOperation(name); clearOperation.setServiceName(SERVICE_NAME); BinaryOperationFactory factory = new BinaryOperationFactory(clearOperation, getNodeEngine()); Map<Integer, Object> resultMap = operationService.invokeOnAllPartitions(SERVICE_NAME, factory); int numberOfAffectedEntries = 0; for (Object object : resultMap.values()) { numberOfAffectedEntries += (Integer) object; } MemberSelector selector = MemberSelectors.and(LITE_MEMBER_SELECTOR, NON_LOCAL_MEMBER_SELECTOR); for (Member member : getNodeEngine().getClusterService().getMembers(selector)) { operationService.invokeOnTarget( SERVICE_NAME, new ClearOperation(name), member.getAddress()); } if (numberOfAffectedEntries > 0) { publishMapEvent(numberOfAffectedEntries, EntryEventType.CLEAR_ALL); } } catch (Throwable t) { throw rethrow(t); } }