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

Example 1 with DataTypeDictionary

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

the class DataTypeDictionaryReader method registerCustomStructCodecs.

private CompletableFuture<DataTypeDictionary<?>> registerCustomStructCodecs(NodeId dictionaryNodeId, OpcUaBinaryDataTypeDictionary dictionary, List<CodecDescription> structCodecs) {
    CompletableFuture<List<NodeId>> descriptionNodeIds = browseDataTypeDescriptionNodeIds(dictionaryNodeId);
    CompletableFuture<List<String>> descriptionValues = descriptionNodeIds.thenCompose(this::readDataTypeDescriptionValues);
    if (logger.isTraceEnabled()) {
        try {
            List<NodeId> ids = descriptionNodeIds.get();
            List<String> values = descriptionValues.get();
            if (ids.size() != values.size()) {
                throw new IllegalStateException("size mismatch");
            }
            for (int i = 0; i < ids.size(); i++) {
                NodeId id = ids.get(i);
                String value = values.get(i);
                logger.trace("description NodeId={} value={}", id, value);
            }
        } catch (Exception e) {
            logger.error("Error reading description NodeIds", e);
        }
    }
    CompletableFuture<List<NodeId>> encodingIdsFuture = descriptionNodeIds.thenCompose(this::browseDataTypeEncodingNodeIds);
    return encodingIdsFuture.thenCompose(encodingIds -> browseDataTypeIds(encodingIds).thenCompose(dataTypeIds -> descriptionValues.thenApply(descriptions -> {
        Map<String, NodeId> encodingIdMap = new HashMap<>();
        Map<String, NodeId> dataTypeIdMap = new HashMap<>();
        if (descriptions.size() != encodingIds.size()) {
            throw new IllegalStateException(String.format("descriptions.size() != encodingIds.size() (%s != %s)", descriptions.size(), encodingIds.size()));
        }
        if (encodingIds.size() != dataTypeIds.size()) {
            throw new IllegalStateException(String.format("encodingIds.size() != dataTypeIds.size() (%s != %s)", encodingIds.size(), dataTypeIds.size()));
        }
        Iterator<String> descriptionIter = descriptions.iterator();
        Iterator<NodeId> encodingIdIter = encodingIds.iterator();
        Iterator<NodeId> dataTypeIdIter = dataTypeIds.iterator();
        while (descriptionIter.hasNext() && encodingIdIter.hasNext() && dataTypeIdIter.hasNext()) {
            String description = descriptionIter.next();
            encodingIdMap.put(description, encodingIdIter.next());
            dataTypeIdMap.put(description, dataTypeIdIter.next());
        }
        structCodecs.forEach(cd -> {
            String description = cd.getDescription();
            NodeId encodingId = encodingIdMap.get(description);
            NodeId dataTypeId = dataTypeIdMap.get(description);
            if (encodingId == null || encodingId.isNull()) {
                if (dataTypeId != null && dataTypeId.getNamespaceIndex().intValue() != 0) {
                    logger.warn("encodingId is null for description={}", description);
                } else {
                    // Theres a number of missing structures in the built-in type dictionary;
                    // namely the service request and response structures. It's expected that
                    // we won't be able to create codecs for these.
                    logger.debug("dataTypeId and encodingId is null for description={}", description);
                }
            } else if (dataTypeId == null || dataTypeId.isNull()) {
                logger.warn("dataTypeId is null for description={}", description);
            } else {
                dictionary.registerStructCodec(cd.getCodec(), description, dataTypeId, encodingId);
                logger.debug("Registered codec description={} dataTypeId={} encodingId={}", description, dataTypeId, encodingId);
            }
        });
        return dictionary;
    })));
}

Example 2 with DataTypeDictionary

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

the class DataTypeDictionaryReader method readDataTypeDictionaries.

public CompletableFuture<List<DataTypeDictionary<?>>> readDataTypeDictionaries() {
    CompletableFuture<List<ReferenceDescription>> browseFuture = browseNode(new BrowseDescription(Identifiers.OPCBinarySchema_TypeSystem, BrowseDirection.Forward, Identifiers.HasComponent, false, uint(NodeClass.Variable.getValue()), uint(BrowseResultMask.All.getValue())));
    CompletableFuture<Stream<NodeId>> dictionaryNodeIds = browseFuture.thenApply(references -> references.stream().filter(r -> r.getTypeDefinition().equalTo(Identifiers.DataTypeDictionaryType)).flatMap(r -> opt2stream(r.getNodeId().toNodeId(stackClient.getNamespaceTable()))));
    return dictionaryNodeIds.thenApply(nodeIds -> nodeIds.map(this::readDataTypeDictionary).collect(Collectors.toList())).thenCompose(FutureUtils::sequence).thenApply(list -> list.stream().filter(Objects::nonNull).collect(Collectors.toList()));
}