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

Example 6 with ReferenceDescription

use of org.eclipse.milo.opcua.stack.core.types.structured.ReferenceDescription 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()));
}

Example 7 with ReferenceDescription

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

the class UaNodeTest method browse.

@Test
public void browse() throws UaException {
    AddressSpace addressSpace = client.getAddressSpace();
    UaNode serverNode = addressSpace.getNode(Identifiers.Server);
    BrowseOptions browseOptions = BrowseOptions.builder().setReferenceType(Identifiers.HasProperty).build();
    List<ReferenceDescription> references = serverNode.browse(browseOptions);
    assertEquals(5, references.size());
    assertTrue(references.stream().anyMatch(n -> n.getNodeId().equalTo(Identifiers.Server_ServerArray)));
    assertTrue(references.stream().anyMatch(n -> n.getNodeId().equalTo(Identifiers.Server_NamespaceArray)));
    assertTrue(references.stream().anyMatch(n -> n.getNodeId().equalTo(Identifiers.Server_ServiceLevel)));
    assertTrue(references.stream().anyMatch(n -> n.getNodeId().equalTo(Identifiers.Server_Auditing)));
    assertTrue(references.stream().anyMatch(n -> n.getNodeId().equalTo(Identifiers.Server_EstimatedReturnTime)));
}

Example 8 with ReferenceDescription

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

the class BrowseHelper method browse.

public static CompletableFuture<List<ReferenceDescription>> browse(UaStackClient client, OpcUaSession session, BrowseDescription browseDescription, UInteger maxReferencesPerNode) {
    BrowseRequest browseRequest = new BrowseRequest(client.newRequestHeader(session.getAuthenticationToken(), client.getConfig().getRequestTimeout()), new ViewDescription(NodeId.NULL_VALUE, DateTime.MIN_VALUE, uint(0)), maxReferencesPerNode, new BrowseDescription[] { browseDescription });
    return client.sendRequest(browseRequest).thenApply(BrowseResponse.class::cast).thenCompose(response -> {
        BrowseResult result = response.getResults()[0];
        List<ReferenceDescription> references = Collections.synchronizedList(new ArrayList<>());
        return maybeBrowseNext(client, session, references, result);
    });
}

Example 9 with ReferenceDescription

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

the class UaNode method getPropertyNodeAsync.

protected CompletableFuture<PropertyTypeNode> getPropertyNodeAsync(QualifiedName browseName) {
    UInteger nodeClassMask = uint(NodeClass.Variable.getValue());
    UInteger resultMask = uint(BrowseResultMask.BrowseName.getValue());
    CompletableFuture<BrowseResult> future = client.browse(new BrowseDescription(getNodeId(), BrowseDirection.Forward, Identifiers.HasProperty, false, nodeClassMask, resultMask));
    return future.thenCompose(result -> {
        List<ReferenceDescription> references = l(result.getReferences());
        Optional<CompletableFuture<PropertyTypeNode>> node = references.stream().filter(r -> browseName.equals(r.getBrowseName())).flatMap(r -> {
            Optional<CompletableFuture<PropertyTypeNode>> opt = r.getNodeId().toNodeId(client.getNamespaceTable()).map(id -> client.getAddressSpace().getNodeAsync(id).thenApply(n -> (PropertyTypeNode) n));
            return opt2stream(opt);
        }).findFirst();
        return node.orElse(failedUaFuture(StatusCodes.Bad_NotFound));
    });
}

Example 10 with ReferenceDescription

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

the class UaObjectNode method getTypeDefinitionAsync.

public CompletableFuture<? extends UaObjectTypeNode> getTypeDefinitionAsync() {
    UInteger nodeClassMask = uint(NodeClass.ObjectType.getValue());
    UInteger resultMask = uint(BrowseResultMask.All.getValue());
    CompletableFuture<BrowseResult> future = client.browse(new BrowseDescription(getNodeId(), BrowseDirection.Forward, Identifiers.HasTypeDefinition, false, nodeClassMask, resultMask));
    return future.thenCompose(result -> {
        List<ReferenceDescription> references = l(result.getReferences());
        Optional<CompletableFuture<UaObjectTypeNode>> node = references.stream().flatMap(r -> {
            Optional<CompletableFuture<UaObjectTypeNode>> opt = r.getNodeId().toNodeId(client.getNamespaceTable()).map(id -> client.getAddressSpace().getNodeAsync(id).thenApply(n -> (UaObjectTypeNode) n));
            return opt2stream(opt);
        }).findFirst();
        return node.orElse(FutureUtils.failedUaFuture(StatusCodes.Bad_NotFound));
    });
}