Examples with NumericRange org.eclipse.milo.opcua.sdk.core.NumericRange used on opensource projects

Example 1 with NumericRange

use of org.eclipse.milo.opcua.sdk.core.NumericRange in project milo by eclipse.

the class AttributeWriter method writeAttribute.

public static void writeAttribute(AttributeContext context, UaServerNode node, AttributeId attributeId, DataValue value, @Nullable String indexRange) throws UaException {
    AttributeContext internalContext = new AttributeContext(context.getServer());
    NodeClass nodeClass = node.getNodeClass();
    if (attributeId == AttributeId.Value && nodeClass == NodeClass.Variable) {
        Set<AccessLevel> accessLevels = getAccessLevels(node, internalContext);
        if (!accessLevels.contains(AccessLevel.CurrentWrite)) {
            throw new UaException(StatusCodes.Bad_NotWritable);
        }
        Set<AccessLevel> userAccessLevels = getUserAccessLevels(node, context);
        if (!userAccessLevels.contains(AccessLevel.CurrentWrite)) {
            throw new UaException(StatusCodes.Bad_UserAccessDenied);
        }
    } else {
        WriteMask writeMask = writeMaskForAttribute(attributeId);
        Set<WriteMask> writeMasks = getWriteMasks(node, internalContext);
        if (!writeMasks.contains(writeMask)) {
            throw new UaException(StatusCodes.Bad_NotWritable);
        }
        Set<WriteMask> userWriteMasks = getUserWriteMasks(node, context);
        if (!userWriteMasks.contains(writeMask)) {
            throw new UaException(StatusCodes.Bad_UserAccessDenied);
        }
    }
    Variant updateVariant = value.getValue();
    if (indexRange != null) {
        NumericRange range = NumericRange.parse(indexRange);
        DataValue current = node.getAttribute(internalContext, attributeId);
        Variant currentVariant = current.getValue();
        Object valueAtRange = NumericRange.writeToValueAtRange(currentVariant, updateVariant, range);
        updateVariant = new Variant(valueAtRange);
    }
    DateTime sourceTime = value.getSourceTime();
    DateTime serverTime = value.getServerTime();
    value = new DataValue(updateVariant, value.getStatusCode(), (sourceTime == null || sourceTime.isNull()) ? DateTime.now() : sourceTime, (serverTime == null || serverTime.isNull()) ? DateTime.now() : serverTime);
    if (attributeId == AttributeId.Value) {
        NodeId dataType = extract(node.getAttribute(internalContext, AttributeId.DataType));
        if (dataType != null) {
            value = validateDataType(context.getServer(), dataType, value);
        }
        Integer valueRank = extract(node.getAttribute(internalContext, AttributeId.ValueRank));
        if (valueRank == null)
            valueRank = 0;
        if (valueRank > 0) {
            UInteger[] arrayDimensions = extract(node.getAttribute(context, AttributeId.ArrayDimensions));
            validateArrayType(valueRank, arrayDimensions, value);
        }
    }
    node.setAttribute(context, attributeId, value);
}

Example 2 with NumericRange

use of org.eclipse.milo.opcua.sdk.core.NumericRange in project milo by eclipse.

the class DataTypeDictionaryReaderTest method testReadDataTypeDictionaryBytes.

private void testReadDataTypeDictionaryBytes(ByteString dictionary, int fragmentSize) throws Exception {
    Mockito.when(stackClient.sendRequest(ArgumentMatchers.any(ReadRequest.class))).then(invocationOnMock -> {
        ReadRequest readRequest = invocationOnMock.getArgument(0);
        List<ReadValueId> readValueIds = Arrays.stream(Objects.requireNonNull(readRequest.getNodesToRead())).collect(Collectors.toList());
        ReadValueId readValueId = readValueIds.get(0);
        NumericRange numericRange = NumericRange.parse(readValueId.getIndexRange());
        try {
            Object fragment = NumericRange.readFromValueAtRange(new Variant(dictionary), numericRange);
            return completedFuture(new ReadResponse(null, new DataValue[] { new DataValue(new Variant(fragment)) }, null));
        } catch (UaException e) {
            return completedFuture(new ReadResponse(null, new DataValue[] { new DataValue(e.getStatusCode()) }, null));
        }
    });
    ByteString typeDictionaryBs = dictionaryReader.readDataTypeDictionaryBytes(NodeId.NULL_VALUE, fragmentSize).get();
    Assertions.assertEquals(typeDictionaryBs, dictionary);
}

Example 3 with NumericRange

use of org.eclipse.milo.opcua.sdk.core.NumericRange in project milo by eclipse.

the class AttributeReader method readAttribute.

public static DataValue readAttribute(AttributeContext context, UaServerNode node, AttributeId attributeId, @Nullable TimestampsToReturn timestamps, @Nullable String indexRange, @Nullable QualifiedName encodingName) {
    try {
        AttributeContext internalContext = new AttributeContext(context.getServer());
        NodeClass nodeClass = node.getNodeClass();
        if (attributeId == AttributeId.Value && nodeClass == NodeClass.Variable) {
            Set<AccessLevel> accessLevels = getAccessLevels(node, internalContext);
            if (!accessLevels.contains(AccessLevel.CurrentRead)) {
                throw new UaException(StatusCodes.Bad_NotReadable);
            }
            Set<AccessLevel> userAccessLevels = getUserAccessLevels(node, context);
            if (!userAccessLevels.contains(AccessLevel.CurrentRead)) {
                throw new UaException(StatusCodes.Bad_UserAccessDenied);
            }
        }
        if (encodingName != null && encodingName.isNotNull()) {
            if (attributeId != AttributeId.Value) {
                throw new UaException(StatusCodes.Bad_DataEncodingInvalid);
            }
            NodeId dataTypeId;
            if (node instanceof VariableNode) {
                dataTypeId = ((VariableNode) node).getDataType();
            } else if (node instanceof VariableTypeNode) {
                dataTypeId = ((VariableTypeNode) node).getDataType();
            } else {
                throw new UaException(StatusCodes.Bad_DataEncodingInvalid);
            }
            boolean structured = isStructureSubtype(context.getServer(), dataTypeId);
            if (!structured) {
                throw new UaException(StatusCodes.Bad_DataEncodingInvalid);
            }
        }
        final DataValue.Builder dvb = node.getAttribute(context, attributeId).copy();
        // Maybe transcode the structure...
        if (dvb.value.isNotNull()) {
            final Object valueObject = dvb.value.getValue();
            Class<?> valueClazz = valueObject.getClass();
            if (valueClazz.isArray() && ArrayUtil.getType(valueObject) == ExtensionObject.class) {
                Object newValue = transformArray(valueObject, (ExtensionObject xo) -> transcode(context, node, xo, encodingName), ExtensionObject.class);
                dvb.setValue(new Variant(newValue));
            } else if (valueClazz == ExtensionObject.class) {
                ExtensionObject xo = (ExtensionObject) valueObject;
                Object newValue = transcode(context, node, xo, encodingName);
                dvb.setValue(new Variant(newValue));
            }
        }
        // Apply index range if provided...
        if (indexRange != null) {
            NumericRange range = NumericRange.parse(indexRange);
            Object valueAtRange = NumericRange.readFromValueAtRange(dvb.value, range);
            dvb.setValue(new Variant(valueAtRange));
        }
        // Add or remove timestamps based on TimestampsToReturn...
        if (timestamps != null) {
            dvb.applyTimestamps(attributeId, timestamps);
        }
        return dvb.build();
    } catch (UaException e) {
        return new DataValue(e.getStatusCode());
    }
}