use of org.eclipse.milo.opcua.stack.core.types.builtin.Variant in project plc4x by apache.
the class Plc4xNamespace method addConfiguredNodes.
private void addConfiguredNodes(UaFolderNode rootNode, DeviceConfiguration c) {
final List<Tag> tags = c.getTags();
final String connectionString = c.getConnectionString();
for (int i = 0; i < tags.size(); i++) {
logger.info("Adding Tag " + tags.get(i).getAlias() + " - " + tags.get(i).getAddress());
String name = tags.get(i).getAlias();
final String tag = tags.get(i).getAddress();
Class datatype = null;
NodeId typeId = Identifiers.String;
UaVariableNode node = null;
Variant variant = null;
try {
datatype = plc4xServer.getField(tag, connectionString).getDefaultJavaType();
final int length = plc4xServer.getField(tag, connectionString).getNumberOfElements();
typeId = Plc4xCommunication.getNodeId(plc4xServer.getField(tag, connectionString).getPlcDataType());
if (length > 1) {
node = new UaVariableNode.UaVariableNodeBuilder(getNodeContext()).setNodeId(newNodeId(name)).setAccessLevel(AccessLevel.READ_WRITE).setUserAccessLevel(AccessLevel.READ_WRITE).setBrowseName(newQualifiedName(name)).setDisplayName(LocalizedText.english(name)).setDataType(typeId).setTypeDefinition(Identifiers.BaseDataVariableType).setValueRank(ValueRank.OneDimension.getValue()).setArrayDimensions(new UInteger[] { uint(length) }).build();
Object array = Array.newInstance(datatype, length);
for (int j = 0; j < length; j++) {
Array.set(array, j, false);
}
variant = new Variant(array);
} else {
node = new UaVariableNode.UaVariableNodeBuilder(getNodeContext()).setNodeId(newNodeId(name)).setAccessLevel(AccessLevel.READ_WRITE).setUserAccessLevel(AccessLevel.READ_WRITE).setBrowseName(newQualifiedName(name)).setDisplayName(LocalizedText.english(name)).setDataType(typeId).setTypeDefinition(Identifiers.BaseDataVariableType).build();
variant = new Variant(0);
}
node.setValue(new DataValue(variant));
node.getFilterChain().addLast(AttributeFilters.getValue(ctx -> plc4xServer.getValue(ctx, tag, connectionString)));
node.getFilterChain().addLast(AttributeFilters.setValue((ctx, value) -> {
if (length > 1) {
plc4xServer.setValue(tag, Arrays.toString((Object[]) value.getValue().getValue()), connectionString);
} else {
plc4xServer.setValue(tag, value.getValue().getValue().toString(), connectionString);
}
}));
} catch (PlcConnectionException e) {
logger.info("Couldn't find data type");
System.exit(1);
}
getNodeManager().addNode(node);
rootNode.addOrganizes(node);
}
}
use of org.eclipse.milo.opcua.stack.core.types.builtin.Variant 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;
}
});
}
use of org.eclipse.milo.opcua.stack.core.types.builtin.Variant 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);
}
}
use of org.eclipse.milo.opcua.stack.core.types.builtin.Variant in project FAAAST-Service by FraunhoferIOSB.
the class ExampleNamespace method addDynamicNodes.
private void addDynamicNodes(UaFolderNode rootNode) {
UaFolderNode dynamicFolder = new UaFolderNode(getNodeContext(), newNodeId("HelloWorld/Dynamic"), newQualifiedName("Dynamic"), LocalizedText.english("Dynamic"));
getNodeManager().addNode(dynamicFolder);
rootNode.addOrganizes(dynamicFolder);
// Dynamic Boolean
{
String name = "Boolean";
NodeId typeId = Identifiers.Boolean;
Variant variant = new Variant(false);
UaVariableNode node = new UaVariableNode.UaVariableNodeBuilder(getNodeContext()).setNodeId(newNodeId("HelloWorld/Dynamic/" + name)).setAccessLevel(AccessLevel.READ_WRITE).setBrowseName(newQualifiedName(name)).setDisplayName(LocalizedText.english(name)).setDataType(typeId).setTypeDefinition(Identifiers.BaseDataVariableType).build();
node.setValue(new DataValue(variant));
getNodeManager().addNode(node);
dynamicFolder.addOrganizes(node);
}
// Dynamic Int32
{
String name = "Int32";
NodeId typeId = Identifiers.Int32;
Variant variant = new Variant(0);
UaVariableNode node = new UaVariableNode.UaVariableNodeBuilder(getNodeContext()).setNodeId(newNodeId("HelloWorld/Dynamic/" + name)).setAccessLevel(AccessLevel.READ_WRITE).setBrowseName(newQualifiedName(name)).setDisplayName(LocalizedText.english(name)).setDataType(typeId).setTypeDefinition(Identifiers.BaseDataVariableType).build();
node.setValue(new DataValue(variant));
getNodeManager().addNode(node);
dynamicFolder.addOrganizes(node);
}
// Dynamic Double
{
String name = "Double";
NodeId typeId = Identifiers.Double;
Variant variant = new Variant(0.0);
UaVariableNode node = new UaVariableNode.UaVariableNodeBuilder(getNodeContext()).setNodeId(newNodeId("HelloWorld/Dynamic/" + name)).setAccessLevel(AccessLevel.READ_WRITE).setBrowseName(newQualifiedName(name)).setDisplayName(LocalizedText.english(name)).setDataType(typeId).setTypeDefinition(Identifiers.BaseDataVariableType).build();
node.setValue(new DataValue(variant));
getNodeManager().addNode(node);
dynamicFolder.addOrganizes(node);
}
}
use of org.eclipse.milo.opcua.stack.core.types.builtin.Variant in project FAAAST-Service by FraunhoferIOSB.
the class ExampleNamespace method addAdminWritableNodes.
private void addAdminWritableNodes(UaFolderNode rootNode) {
UaFolderNode adminFolder = new UaFolderNode(getNodeContext(), newNodeId("HelloWorld/OnlyAdminCanWrite"), newQualifiedName("OnlyAdminCanWrite"), LocalizedText.english("OnlyAdminCanWrite"));
getNodeManager().addNode(adminFolder);
rootNode.addOrganizes(adminFolder);
String name = "String";
UaVariableNode node = new UaVariableNode.UaVariableNodeBuilder(getNodeContext()).setNodeId(newNodeId("HelloWorld/OnlyAdminCanWrite/" + name)).setAccessLevel(AccessLevel.READ_WRITE).setBrowseName(newQualifiedName(name)).setDisplayName(LocalizedText.english(name)).setDataType(Identifiers.String).setTypeDefinition(Identifiers.BaseDataVariableType).build();
node.setValue(new DataValue(new Variant("admin was here")));
getNodeManager().addNode(node);
adminFolder.addOrganizes(node);
}
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