C++ (Cpp) CRefObjPtr::SetStatus示例

VOID 
CNdasLogicalDevice::SetStatus(NDAS_LOGICALDEVICE_STATUS newStatus)
{
	ximeta::CAutoLock autolock(this);

	//
	// Ignore duplicate status change
	//
	if (m_status == newStatus) {
		return;
	}

	NDAS_LOGICALDEVICE_STATUS oldStatus = m_status;

	BOOL fValid = pCheckStatusValidity(m_status, newStatus);
	_ASSERTE(fValid);

	m_status = newStatus;

	// Update Unit Device Status
	for (DWORD i = 0; i < GetUnitDeviceCount(); ++i) {

		CRefObjPtr<CNdasUnitDevice> pUnitDevice = GetUnitDevice(i);

		if (NULL == pUnitDevice.p) {
			DBGPRT_ERR(_FT("Unit Device %s is not found.\n"),
				CNdasUnitDeviceId(GetUnitDeviceID(i)).ToString());
			continue;
		}

		//
		// TODO: Create a status updater with observer
		//

		switch (m_status) {
		case NDAS_LOGICALDEVICE_STATUS_MOUNTED:
		case NDAS_LOGICALDEVICE_STATUS_MOUNT_PENDING:
		case NDAS_LOGICALDEVICE_STATUS_UNMOUNT_PENDING:
			pUnitDevice->SetStatus(NDAS_UNITDEVICE_STATUS_MOUNTED);
			break;
		default:
			// otherwise
			pUnitDevice->SetStatus(NDAS_UNITDEVICE_STATUS_NOT_MOUNTED);
		}

	}
	
	// publish a status change event
	(VOID) pGetNdasEventPublisher()->
		LogicalDeviceStatusChanged(m_logicalDeviceId, oldStatus, newStatus);

}