Examples with ExpandedNodeId org.eclipse.milo.opcua.stack.core.types.builtin.ExpandedNodeId used on opensource projects

Example 1 with ExpandedNodeId

use of org.eclipse.milo.opcua.stack.core.types.builtin.ExpandedNodeId 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 2 with ExpandedNodeId

use of org.eclipse.milo.opcua.stack.core.types.builtin.ExpandedNodeId in project milo by eclipse.

the class ObjectTypeNodeLoader method loadNode16.

private void loadNode16() {
    UaObjectTypeNode node = new UaObjectTypeNode(this.context, Identifiers.AuditConditionAcknowledgeEventType, new QualifiedName(0, "AuditConditionAcknowledgeEventType"), new LocalizedText("en", "AuditConditionAcknowledgeEventType"), LocalizedText.NULL_VALUE, UInteger.valueOf(0), UInteger.valueOf(0), false);
    node.addReference(new Reference(Identifiers.AuditConditionAcknowledgeEventType, Identifiers.HasProperty, new ExpandedNodeId(UShort.valueOf(0), null, UInteger.valueOf(15002), UInteger.valueOf(0)), true));
    node.addReference(new Reference(Identifiers.AuditConditionAcknowledgeEventType, Identifiers.HasProperty, Identifiers.AuditConditionAcknowledgeEventType_Comment.expanded(), true));
    node.addReference(new Reference(Identifiers.AuditConditionAcknowledgeEventType, Identifiers.HasSubtype, Identifiers.AuditConditionEventType.expanded(), false));
    this.nodeManager.addNode(node);
}

Example 3 with ExpandedNodeId

use of org.eclipse.milo.opcua.stack.core.types.builtin.ExpandedNodeId in project milo by eclipse.

the class JsonStructureCodec method opcUaToMemberTypeScalar.

@Override
protected JsonElement opcUaToMemberTypeScalar(String name, Object value, String typeName) {
    if (value == null) {
        return JsonNull.INSTANCE;
    } else if (value instanceof Number) {
        if (value instanceof UByte) {
            return new JsonPrimitive(((UByte) value).shortValue());
        } else if (value instanceof UShort) {
            return new JsonPrimitive(((UShort) value).intValue());
        } else if (value instanceof UInteger) {
            return new JsonPrimitive(((UInteger) value).longValue());
        } else if (value instanceof ULong) {
            return new JsonPrimitive(((ULong) value).toBigInteger());
        } else {
            return new JsonPrimitive((Number) value);
        }
    } else if (value instanceof Boolean) {
        return new JsonPrimitive((Boolean) value);
    } else if (value instanceof String) {
        return new JsonPrimitive((String) value);
    } else if (value instanceof Character) {
        return new JsonPrimitive((Character) value);
    } else if (value instanceof JsonElement) {
        return (JsonElement) value;
    } else if (value instanceof DateTime) {
        return new JsonPrimitive(((DateTime) value).getUtcTime());
    } else if (value instanceof UUID) {
        return new JsonPrimitive(value.toString());
    } else if (value instanceof LocalizedText) {
        return gson.toJsonTree(value);
    } else if (value instanceof QualifiedName) {
        return gson.toJsonTree(value);
    } else if (value instanceof ByteString) {
        ByteString byteString = (ByteString) value;
        byte[] bs = byteString.bytesOrEmpty();
        JsonArray array = new JsonArray();
        for (Byte b : bs) {
            array.add(new JsonPrimitive(b));
        }
        return array;
    } else if (value instanceof XmlElement) {
        String fragment = ((XmlElement) value).getFragment();
        return fragment != null ? new JsonPrimitive(fragment) : JsonNull.INSTANCE;
    } else if (value instanceof NodeId) {
        String nodeId = ((NodeId) value).toParseableString();
        return new JsonPrimitive(nodeId);
    } else if (value instanceof ExpandedNodeId) {
        String xNodeId = ((ExpandedNodeId) value).toParseableString();
        return new JsonPrimitive(xNodeId);
    } else if (value instanceof StatusCode) {
        long code = ((StatusCode) value).getValue();
        return new JsonPrimitive(code);
    } else {
        throw new RuntimeException("could not create JsonElement for value: " + value);
    }
}

Example 4 with ExpandedNodeId

use of org.eclipse.milo.opcua.stack.core.types.builtin.ExpandedNodeId in project milo by eclipse.

the class BrowsePathsHelper method target.

private CompletableFuture<List<ExpandedNodeId>> target(NodeId nodeId, RelativePathElement element) {
    NodeId referenceTypeId = element.getReferenceTypeId();
    boolean includeSubtypes = element.getIncludeSubtypes();
    QualifiedName targetName = element.getTargetName();
    if (targetName.isNull()) {
        return failedUaFuture(StatusCodes.Bad_BrowseNameInvalid);
    }
    BrowseContext browseContext = new BrowseContext(server, context.getSession().orElse(null));
    server.getAddressSpaceManager().browse(browseContext, nodeId);
    CompletableFuture<List<Reference>> future = browseContext.getFuture();
    return future.thenCompose(references -> {
        List<ExpandedNodeId> targetNodeIds = references.stream().filter(r -> referenceTypeId.isNull() || r.getReferenceTypeId().equals(referenceTypeId) || (includeSubtypes && r.subtypeOf(referenceTypeId, server.getReferenceTypes()))).filter(r -> r.isInverse() == element.getIsInverse()).map(Reference::getTargetNodeId).collect(toList());
        if (targetNodeIds.isEmpty()) {
            return failedUaFuture(StatusCodes.Bad_NoMatch);
        } else {
            return readTargetBrowseNames(targetNodeIds).thenApply(browseNames -> {
                List<ExpandedNodeId> targets = newArrayList();
                for (int i = 0; i < targetNodeIds.size(); i++) {
                    ExpandedNodeId targetNodeId = targetNodeIds.get(i);
                    QualifiedName browseName = browseNames.get(i);
                    if (matchesTarget(browseName, targetName)) {
                        targets.add(targetNodeId);
                    }
                }
                return targets;
            });
        }
    });
}

Example 5 with ExpandedNodeId

use of org.eclipse.milo.opcua.stack.core.types.builtin.ExpandedNodeId in project milo by eclipse.

the class BrowsePathsHelper method next.

private CompletableFuture<ExpandedNodeId> next(NodeId nodeId, RelativePathElement element) {
    NodeId referenceTypeId = element.getReferenceTypeId();
    boolean includeSubtypes = element.getIncludeSubtypes();
    QualifiedName targetName = element.getTargetName();
    if (targetName.isNull()) {
        return failedUaFuture(StatusCodes.Bad_BrowseNameInvalid);
    }
    BrowseContext browseContext = new BrowseContext(server, context.getSession().orElse(null));
    server.getAddressSpaceManager().browse(browseContext, nodeId);
    CompletableFuture<List<Reference>> future = browseContext.getFuture();
    return future.thenCompose(references -> {
        List<ExpandedNodeId> targetNodeIds = references.stream().filter(r -> referenceTypeId.isNull() || r.getReferenceTypeId().equals(referenceTypeId) || (includeSubtypes && r.subtypeOf(referenceTypeId, server.getReferenceTypes()))).filter(r -> r.isInverse() == element.getIsInverse()).map(Reference::getTargetNodeId).collect(toList());
        if (targetNodeIds.isEmpty()) {
            return failedUaFuture(StatusCodes.Bad_NoMatch);
        } else {
            return readTargetBrowseNames(targetNodeIds).thenApply(browseNames -> {
                for (int i = 0; i < targetNodeIds.size(); i++) {
                    ExpandedNodeId targetNodeId = targetNodeIds.get(i);
                    QualifiedName browseName = browseNames.get(i);
                    if (browseName.equals(targetName)) {
                        return targetNodeId;
                    }
                }
                return ExpandedNodeId.NULL_VALUE;
            });
        }
    });
}