Examples with NodeClass org.eclipse.milo.opcua.stack.core.types.enumerated.NodeClass used on opensource projects

Example 1 with NodeClass

use of org.eclipse.milo.opcua.stack.core.types.enumerated.NodeClass in project milo by eclipse.

the class AddressSpace method createNodeFromBaseAttributes.

private CompletableFuture<? extends UaNode> createNodeFromBaseAttributes(NodeId nodeId, List<DataValue> baseAttributeValues) {
    StatusCode nodeIdStatusCode = baseAttributeValues.get(0).getStatusCode();
    if (nodeIdStatusCode != null && nodeIdStatusCode.isBad()) {
        return failedUaFuture(nodeIdStatusCode);
    }
    Integer nodeClassValue = (Integer) baseAttributeValues.get(1).getValue().getValue();
    if (nodeClassValue == null) {
        return failedUaFuture(StatusCodes.Bad_NodeClassInvalid);
    }
    NodeClass nodeClass = NodeClass.from(nodeClassValue);
    if (nodeClass == null) {
        return failedUaFuture(StatusCodes.Bad_NodeClassInvalid);
    }
    switch(nodeClass) {
        case DataType:
            return createDataTypeNodeFromBaseAttributes(nodeId, baseAttributeValues);
        case Method:
            return createMethodNodeFromBaseAttributes(nodeId, baseAttributeValues);
        case Object:
            return createObjectNodeFromBaseAttributes(nodeId, baseAttributeValues);
        case ObjectType:
            return createObjectTypeNodeFromBaseAttributes(nodeId, baseAttributeValues);
        case ReferenceType:
            return createReferenceTypeNodeFromBaseAttributes(nodeId, baseAttributeValues);
        case Variable:
            return createVariableNodeFromBaseAttributes(nodeId, baseAttributeValues);
        case VariableType:
            return createVariableTypeNodeFromBaseAttributes(nodeId, baseAttributeValues);
        case View:
            return createViewNodeFromBaseAttributes(nodeId, baseAttributeValues);
        default:
            throw new IllegalArgumentException("NodeClass: " + nodeClass);
    }
}

Example 2 with NodeClass

use of org.eclipse.milo.opcua.stack.core.types.enumerated.NodeClass in project milo by eclipse.

the class AddressSpace method browseNodesAsync.

/**
 * Browse from {@code nodeId} using {@code browseOptions}.
 * <p>
 * This call completes asynchronously.
 *
 * @param nodeId        the {@link NodeId} to start the browse from.
 * @param browseOptions the {@link BrowseOptions} to use.
 * @return a CompletableFuture that completes successfully with a List of {@link UaNode}s
 * referenced by {@code node} given the currently configured {@link BrowseOptions} or completes
 * exceptionally if a service-level error occurs.
 */
public CompletableFuture<List<? extends UaNode>> browseNodesAsync(NodeId nodeId, BrowseOptions browseOptions) {
    BrowseDescription browseDescription = new BrowseDescription(nodeId, browseOptions.getBrowseDirection(), browseOptions.getReferenceTypeId(), browseOptions.isIncludeSubtypes(), browseOptions.getNodeClassMask(), uint(BrowseResultMask.All.getValue()));
    CompletableFuture<List<ReferenceDescription>> browse = BrowseHelper.browse(client, browseDescription, browseOptions.getMaxReferencesPerNode());
    return browse.thenCompose(references -> {
        List<CompletableFuture<? extends UaNode>> cfs = references.stream().map(reference -> {
            NodeClass nodeClass = reference.getNodeClass();
            ExpandedNodeId xNodeId = reference.getNodeId();
            ExpandedNodeId xTypeDefinitionId = reference.getTypeDefinition();
            switch(nodeClass) {
                case Object:
                case Variable:
                    {
                        CompletableFuture<CompletableFuture<? extends UaNode>> ff = toNodeIdAsync(xNodeId).thenCombine(toNodeIdAsync(xTypeDefinitionId), (targetNodeId, typeDefinitionId) -> {
                            if (nodeClass == NodeClass.Object) {
                                return getObjectNodeAsync(targetNodeId, typeDefinitionId);
                            } else {
                                return getVariableNodeAsync(targetNodeId, typeDefinitionId);
                            }
                        });
                        return unwrap(ff).exceptionally(ex -> {
                            logger.warn("Failed to create Node from Reference to {}", reference.getNodeId(), ex);
                            return null;
                        });
                    }
                default:
                    {
                        // TODO specialized getNode for other NodeClasses?
                        return toNodeIdAsync(xNodeId).thenCompose(this::getNodeAsync).exceptionally(ex -> {
                            logger.warn("Failed to create Node from Reference to {}", reference.getNodeId(), ex);
                            return null;
                        });
                    }
            }
        }).collect(Collectors.toList());
        return sequence(cfs);
    });
}

Example 3 with NodeClass

use of org.eclipse.milo.opcua.stack.core.types.enumerated.NodeClass in project milo by eclipse.

the class AddressSpace method newMethodNode.

private UaMethodNode newMethodNode(NodeId nodeId, List<DataValue> attributeValues) throws UaException {
    DataValue nodeIdDataValue = attributeValues.get(0);
    StatusCode nodeIdStatusCode = nodeIdDataValue.getStatusCode();
    if (nodeIdStatusCode != null && nodeIdStatusCode.isBad()) {
        throw new UaException(nodeIdStatusCode);
    }
    try {
        NodeClass nodeClass = NodeClass.from((Integer) attributeValues.get(1).getValue().getValue());
        Preconditions.checkArgument(nodeClass == NodeClass.Method, "expected NodeClass.Method, got NodeClass." + nodeClass);
        QualifiedName browseName = (QualifiedName) attributeValues.get(2).getValue().getValue();
        LocalizedText displayName = (LocalizedText) attributeValues.get(3).getValue().getValue();
        LocalizedText description = getAttributeOrNull(attributeValues.get(4), LocalizedText.class);
        UInteger writeMask = getAttributeOrNull(attributeValues.get(5), UInteger.class);
        UInteger userWriteMask = getAttributeOrNull(attributeValues.get(6), UInteger.class);
        Boolean executable = (Boolean) attributeValues.get(7).getValue().getValue();
        Boolean userExecutable = (Boolean) attributeValues.get(8).getValue().getValue();
        return new UaMethodNode(client, nodeId, nodeClass, browseName, displayName, description, writeMask, userWriteMask, executable, userExecutable);
    } catch (Throwable t) {
        throw UaException.extract(t).orElse(new UaException(StatusCodes.Bad_UnexpectedError, t));
    }
}

Example 4 with NodeClass

use of org.eclipse.milo.opcua.stack.core.types.enumerated.NodeClass in project milo by eclipse.

the class AddressSpace method newReferenceTypeNode.

private UaReferenceTypeNode newReferenceTypeNode(NodeId nodeId, List<DataValue> attributeValues) throws UaException {
    DataValue nodeIdDataValue = attributeValues.get(0);
    StatusCode nodeIdStatusCode = nodeIdDataValue.getStatusCode();
    if (nodeIdStatusCode != null && nodeIdStatusCode.isBad()) {
        throw new UaException(nodeIdStatusCode);
    }
    try {
        NodeClass nodeClass = NodeClass.from((Integer) attributeValues.get(1).getValue().getValue());
        Preconditions.checkArgument(nodeClass == NodeClass.ReferenceType, "expected NodeClass.ReferenceType, got NodeClass." + nodeClass);
        QualifiedName browseName = (QualifiedName) attributeValues.get(2).getValue().getValue();
        LocalizedText displayName = (LocalizedText) attributeValues.get(3).getValue().getValue();
        LocalizedText description = getAttributeOrNull(attributeValues.get(4), LocalizedText.class);
        UInteger writeMask = getAttributeOrNull(attributeValues.get(5), UInteger.class);
        UInteger userWriteMask = getAttributeOrNull(attributeValues.get(6), UInteger.class);
        Boolean isAbstract = (Boolean) attributeValues.get(7).getValue().getValue();
        Boolean symmetric = (Boolean) attributeValues.get(8).getValue().getValue();
        LocalizedText inverseName = getAttributeOrNull(attributeValues.get(9), LocalizedText.class);
        return new UaReferenceTypeNode(client, nodeId, nodeClass, browseName, displayName, description, writeMask, userWriteMask, isAbstract, symmetric, inverseName);
    } catch (Throwable t) {
        throw UaException.extract(t).orElse(new UaException(StatusCodes.Bad_UnexpectedError, t));
    }
}

Example 5 with NodeClass

use of org.eclipse.milo.opcua.stack.core.types.enumerated.NodeClass in project milo by eclipse.

the class AddressSpace method newObjectTypeNode.

private UaObjectTypeNode newObjectTypeNode(NodeId nodeId, List<DataValue> attributeValues) throws UaException {
    DataValue nodeIdDataValue = attributeValues.get(0);
    StatusCode nodeIdStatusCode = nodeIdDataValue.getStatusCode();
    if (nodeIdStatusCode != null && nodeIdStatusCode.isBad()) {
        throw new UaException(nodeIdStatusCode);
    }
    try {
        NodeClass nodeClass = NodeClass.from((Integer) attributeValues.get(1).getValue().getValue());
        Preconditions.checkArgument(nodeClass == NodeClass.ObjectType, "expected NodeClass.ObjectType, got NodeClass." + nodeClass);
        QualifiedName browseName = (QualifiedName) attributeValues.get(2).getValue().getValue();
        LocalizedText displayName = (LocalizedText) attributeValues.get(3).getValue().getValue();
        LocalizedText description = getAttributeOrNull(attributeValues.get(4), LocalizedText.class);
        UInteger writeMask = getAttributeOrNull(attributeValues.get(5), UInteger.class);
        UInteger userWriteMask = getAttributeOrNull(attributeValues.get(6), UInteger.class);
        Boolean isAbstract = (Boolean) attributeValues.get(7).getValue().getValue();
        return new UaObjectTypeNode(client, nodeId, nodeClass, browseName, displayName, description, writeMask, userWriteMask, isAbstract);
    } catch (Throwable t) {
        throw UaException.extract(t).orElse(new UaException(StatusCodes.Bad_UnexpectedError, t));
    }
}