Examples with HistoryUpdateContext org.eclipse.milo.opcua.sdk.server.api.services.AttributeHistoryServices.HistoryUpdateContext used on opensource projects

Example 1 with HistoryUpdateContext

use of org.eclipse.milo.opcua.sdk.server.api.services.AttributeHistoryServices.HistoryUpdateContext in project milo by eclipse.

the class DefaultAttributeHistoryServiceSet method onHistoryUpdate.

@Override
public void onHistoryUpdate(ServiceRequest service) {
    historyUpdateMetric.record(service);
    HistoryUpdateRequest request = (HistoryUpdateRequest) service.getRequest();
    OpcUaServer server = service.attr(ServiceAttributes.SERVER_KEY).get();
    Session session = service.attr(ServiceAttributes.SESSION_KEY).get();
    List<HistoryUpdateDetails> historyUpdateDetailsList = l(request.getHistoryUpdateDetails()).stream().map(e -> (HistoryUpdateDetails) e.decode(server.getSerializationContext())).collect(Collectors.toList());
    if (historyUpdateDetailsList.isEmpty()) {
        service.setServiceFault(StatusCodes.Bad_NothingToDo);
        return;
    }
    if (historyUpdateDetailsList.size() > server.getConfig().getLimits().getMaxNodesPerWrite().intValue()) {
        service.setServiceFault(StatusCodes.Bad_TooManyOperations);
        return;
    }
    DiagnosticsContext<HistoryUpdateDetails> diagnosticsContext = new DiagnosticsContext<>();
    HistoryUpdateContext context = new HistoryUpdateContext(server, session, diagnosticsContext);
    server.getAddressSpaceManager().historyUpdate(context, historyUpdateDetailsList);
    context.getFuture().thenAccept(values -> {
        ResponseHeader header = service.createResponseHeader();
        DiagnosticInfo[] diagnosticInfos = diagnosticsContext.getDiagnosticInfos(historyUpdateDetailsList);
        HistoryUpdateResponse response = new HistoryUpdateResponse(header, a(values, HistoryUpdateResult.class), diagnosticInfos);
        service.setResponse(response);
    });
}