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

Example 1 with UaException

use of org.eclipse.milo.opcua.stack.core.UaException in project FAAAST-Service by FraunhoferIOSB.

the class OpcUaAssetConnection method connect.

private void connect() throws AssetConnectionException {
    try {
        client = OpcUaClient.create(config.getHost(), endpoints -> endpoints.stream().filter(e -> e.getSecurityPolicyUri().equals(SecurityPolicy.None.getUri())).findFirst(), configBuilder -> configBuilder.setApplicationName(LocalizedText.english("AAS-Service")).setApplicationUri("urn:de:fraunhofer:iosb:aas:service").setIdentityProvider(AnonymousProvider.INSTANCE).setRequestTimeout(uint(1000)).setAcknowledgeTimeout(uint(1000)).build());
        client.connect().get();
        // without sleep bad timeout while waiting for acknowledge appears from time to time
        Thread.sleep(200);
        opcUaSubscription = ManagedSubscription.create(client);
    } catch (InterruptedException | ExecutionException | UaException ex) {
        throw new AssetConnectionException(String.format("error opening OPC UA connection (endpoint: %s)", config.getHost()), ex);
    }
}

Example 2 with UaException

use of org.eclipse.milo.opcua.stack.core.UaException in project FAAAST-Service by FraunhoferIOSB.

the class OpcUaAssetConnection method registerOperationProvider.

/**
 * {@inheritdoc}
 *
 * @throws AssetConnectionException if nodeId could not be parsed
 * @throws AssetConnectionException if nodeId does not refer to a method
 *             node
 * @throws AssetConnectionException if parent node of nodeId could not be
 *             resolved
 * @throws AssetConnectionException if output variables are null or do
 *             contain any other type than
 *             {@link de.fraunhofer.iosb.ilt.faaast.service.model.value.PropertyValue}
 */
@Override
public void registerOperationProvider(Reference reference, OpcUaOperationProviderConfig operationProvider) throws AssetConnectionException {
    String baseErrorMessage = "error registering operation provider";
    final NodeId nodeId = parseNodeId(operationProvider.getNodeId());
    final UaNode node;
    try {
        node = client.getAddressSpace().getNode(nodeId);
    } catch (UaException ex) {
        throw new AssetConnectionException(String.format("%s - could not resolve nodeId (nodeId: %s)", baseErrorMessage, operationProvider.getNodeId()), ex);
    }
    if (!UaMethodNode.class.isAssignableFrom(node.getClass())) {
        throw new AssetConnectionException(String.format("%s - provided node must be a method (nodeId: %s", baseErrorMessage, operationProvider.getNodeId()));
    }
    final UaMethodNode methodNode = (UaMethodNode) node;
    final NodeId parentNodeId;
    try {
        parentNodeId = client.getAddressSpace().getNode(nodeId).browseNodes(AddressSpace.BrowseOptions.builder().setBrowseDirection(BrowseDirection.Inverse).build()).get(0).getNodeId();
    } catch (UaException ex) {
        throw new AssetConnectionException(String.format("%s - could not resolve parent node (nodeId: %s)", baseErrorMessage, operationProvider.getNodeId()), ex);
    }
    final Argument[] methodArguments;
    try {
        methodArguments = methodNode.readInputArgumentsAsync().get() != null ? methodNode.readInputArgumentsAsync().get() : new Argument[0];
    } catch (InterruptedException | ExecutionException ex) {
        throw new AssetConnectionException(String.format("%s - could not read input arguments (nodeId: %s)", baseErrorMessage, operationProvider.getNodeId()), ex);
    }
    final Argument[] methodOutputArguments;
    try {
        methodOutputArguments = methodNode.readOutputArgumentsAsync().get() != null ? methodNode.readOutputArgumentsAsync().get() : new Argument[0];
    } catch (InterruptedException | ExecutionException ex) {
        throw new AssetConnectionException(String.format("%s - could not read ouput arguments (nodeId: %s)", baseErrorMessage, operationProvider.getNodeId()), ex);
    }
    final OperationVariable[] outputVariables = serviceContext.getOperationOutputVariables(reference) != null ? serviceContext.getOperationOutputVariables(reference) : new OperationVariable[0];
    for (var outputVariable : outputVariables) {
        if (outputVariable == null) {
            throw new AssetConnectionException(String.format("%s - output variable must be non-null (nodeId: %s)", baseErrorMessage, operationProvider.getNodeId()));
        }
        SubmodelElement submodelElement = outputVariable.getValue();
        if (submodelElement == null) {
            throw new AssetConnectionException(String.format("%s - output variable must contain non-null submodel element (nodeId: %s)", baseErrorMessage, operationProvider.getNodeId()));
        }
        if (!Property.class.isAssignableFrom(submodelElement.getClass())) {
            throw new AssetConnectionException(String.format("%s - unsupported element type (nodeId: %s, element type: %s)", baseErrorMessage, submodelElement.getClass(), operationProvider.getNodeId()));
        }
    }
    this.operationProviders.put(reference, new AssetOperationProvider() {

        @Override
        public OperationVariable[] invoke(OperationVariable[] input, OperationVariable[] inoutput) throws AssetConnectionException {
            String baseErrorMessage = "error invoking operation on asset connection";
            Map<String, ElementValue> inputParameter = input == null ? new HashMap<>() : Stream.of(input).collect(Collectors.toMap(x -> x.getValue().getIdShort(), x -> ElementValueMapper.toValue(x.getValue())));
            Map<String, ElementValue> inoutputParameter = inoutput == null ? new HashMap<>() : Stream.of(inoutput).collect(Collectors.toMap(x -> x.getValue().getIdShort(), x -> ElementValueMapper.toValue(x.getValue())));
            if (methodArguments.length != (inputParameter.size() + inoutputParameter.size())) {
                throw new AssetConnectionException(String.format("%s - argument count mismatch (expected: %d, provided input arguments: %d, provided inoutput arguments: %d)", baseErrorMessage, methodArguments.length, inputParameter.size(), inoutputParameter.size()));
            }
            Variant[] actualParameters = new Variant[methodArguments.length];
            for (int i = 0; i < methodArguments.length; i++) {
                String argumentName = methodArguments[i].getName();
                ElementValue parameterValue;
                if (inputParameter.containsKey(argumentName)) {
                    parameterValue = inputParameter.get(argumentName);
                } else if (inoutputParameter.containsKey(argumentName)) {
                    parameterValue = inoutputParameter.get(argumentName);
                } else {
                    throw new AssetConnectionException(String.format("%s - missing argument (argument name: %s)", baseErrorMessage, argumentName));
                }
                if (parameterValue == null) {
                    throw new AssetConnectionException(String.format("%s - parameter value must be non-null (argument name: %s)", baseErrorMessage, argumentName));
                }
                if (!PropertyValue.class.isAssignableFrom(parameterValue.getClass())) {
                    throw new AssetConnectionException(String.format("%s - currently only parameters of the Property are supported (argument name: %s, provided type: %s)", baseErrorMessage, argumentName, parameterValue.getClass()));
                }
                actualParameters[i] = valueConverter.convert(((PropertyValue) parameterValue).getValue(), methodArguments[i].getDataType());
            }
            CallMethodResult methodResult;
            try {
                methodResult = client.call(new CallMethodRequest(parentNodeId, nodeId, actualParameters)).get();
            } catch (InterruptedException | ExecutionException ex) {
                throw new AssetConnectionException(String.format("%s - executing OPC UA method failed (nodeId: %s)", baseErrorMessage, operationProvider.getNodeId()));
            }
            OperationVariable[] result = new OperationVariable[outputVariables.length];
            for (int i = 0; i < methodOutputArguments.length; i++) {
                String argumentName = methodArguments[i].getName();
                for (int j = 0; j < outputVariables.length; j++) {
                    if (Objects.equals(argumentName, outputVariables[j].getValue().getIdShort())) {
                        SubmodelElement element = outputVariables[j].getValue();
                        Datatype targetType = ((PropertyValue) ElementValueMapper.toValue(element)).getValue().getDataType();
                        TypedValue<?> newValue = valueConverter.convert(methodResult.getOutputArguments()[i], targetType);
                        // TODO better use deep copy?
                        DefaultProperty newProperty = new DefaultProperty.Builder().idShort(element.getIdShort()).build();
                        ElementValueMapper.setValue(newProperty, PropertyValue.builder().value(newValue).build());
                        result[j] = new DefaultOperationVariable.Builder().value(newProperty).build();
                    }
                }
                // update inoutput variable values
                if (inoutputParameter.containsKey(argumentName)) {
                    // find in original array and set there
                    for (int j = 0; j < inoutput.length; j++) {
                        if (Objects.equals(argumentName, inoutput[j].getValue().getIdShort())) {
                            ElementValueMapper.setValue(inoutput[j].getValue(), new PropertyValue(valueConverter.convert(methodResult.getOutputArguments()[i], ((PropertyValue) inoutputParameter.get(argumentName)).getValue().getDataType())));
                        }
                    }
                }
            }
            return result;
        }
    });
}

Example 3 with UaException

use of org.eclipse.milo.opcua.stack.core.UaException in project FAAAST-Service by FraunhoferIOSB.

the class ExampleNamespace method addDataAccessNodes.

private void addDataAccessNodes(UaFolderNode rootNode) {
    // DataAccess folder
    UaFolderNode dataAccessFolder = new UaFolderNode(getNodeContext(), newNodeId("HelloWorld/DataAccess"), newQualifiedName("DataAccess"), LocalizedText.english("DataAccess"));
    getNodeManager().addNode(dataAccessFolder);
    rootNode.addOrganizes(dataAccessFolder);
    try {
        AnalogItemTypeNode node = (AnalogItemTypeNode) getNodeFactory().createNode(newNodeId("HelloWorld/DataAccess/AnalogValue"), Identifiers.AnalogItemType, new NodeFactory.InstantiationCallback() {

            @Override
            public boolean includeOptionalNode(NodeId typeDefinitionId, QualifiedName browseName) {
                return true;
            }
        });
        node.setBrowseName(newQualifiedName("AnalogValue"));
        node.setDisplayName(LocalizedText.english("AnalogValue"));
        node.setDataType(Identifiers.Double);
        node.setValue(new DataValue(new Variant(3.14d)));
        node.setEURange(new Range(0.0, 100.0));
        getNodeManager().addNode(node);
        dataAccessFolder.addOrganizes(node);
    } catch (UaException e) {
        logger.error("Error creating AnalogItemType instance: {}", e.getMessage(), e);
    }
}

Example 4 with UaException

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

the class ExampleNamespace method addDataAccessNodes.

private void addDataAccessNodes(UaFolderNode rootNode) {
    // DataAccess folder
    UaFolderNode dataAccessFolder = new UaFolderNode(getNodeContext(), newNodeId("HelloWorld/DataAccess"), newQualifiedName("DataAccess"), LocalizedText.english("DataAccess"));
    getNodeManager().addNode(dataAccessFolder);
    rootNode.addOrganizes(dataAccessFolder);
    try {
        AnalogItemTypeNode node = (AnalogItemTypeNode) getNodeFactory().createNode(newNodeId("HelloWorld/DataAccess/AnalogValue"), Identifiers.AnalogItemType, new NodeFactory.InstantiationCallback() {

            @Override
            public boolean includeOptionalNode(NodeId typeDefinitionId, QualifiedName browseName) {
                return true;
            }
        });
        node.setBrowseName(newQualifiedName("AnalogValue"));
        node.setDisplayName(LocalizedText.english("AnalogValue"));
        node.setDataType(Identifiers.Double);
        node.setValue(new DataValue(new Variant(3.14d)));
        node.setEURange(new Range(0.0, 100.0));
        getNodeManager().addNode(node);
        dataAccessFolder.addOrganizes(node);
    } catch (UaException e) {
        logger.error("Error creating AnalogItemType instance: {}", e.getMessage(), e);
    }
}

Example 5 with UaException

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

the class ManagedDataItemTest method dataValueListener.

@Test
public void dataValueListener() throws UaException, InterruptedException {
    final CountDownLatch latch = new CountDownLatch(2);
    ManagedDataItem dataItem = subscription.createDataItem(Identifiers.Server_ServerStatus_State, item -> {
        item.addDataValueListener((i, value) -> latch.countDown());
        ManagedDataItem.DataValueListener dataValueListener = (i, value) -> latch.countDown();
        item.addDataValueListener(dataValueListener);
    });
    assertTrue(dataItem.getStatusCode().isGood());
    assertTrue(latch.await(5, TimeUnit.SECONDS));
}