Examples with UaVariableNode org.eclipse.milo.opcua.sdk.server.nodes.UaVariableNode used on opensource projects

Example 1 with UaVariableNode

use of org.eclipse.milo.opcua.sdk.server.nodes.UaVariableNode 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);
    }
}

Example 2 with UaVariableNode

use of org.eclipse.milo.opcua.sdk.server.nodes.UaVariableNode 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);
    }
}

Example 3 with UaVariableNode

use of org.eclipse.milo.opcua.sdk.server.nodes.UaVariableNode 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);
}

Example 4 with UaVariableNode

use of org.eclipse.milo.opcua.sdk.server.nodes.UaVariableNode in project milo by eclipse.

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));
        node.getFilterChain().addLast(new AttributeLoggingFilter(), AttributeFilters.getValue(ctx -> new DataValue(new Variant(random.nextBoolean()))));
        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));
        node.getFilterChain().addLast(new AttributeLoggingFilter(), AttributeFilters.getValue(ctx -> new DataValue(new Variant(random.nextInt()))));
        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));
        node.getFilterChain().addLast(new AttributeLoggingFilter(), AttributeFilters.getValue(ctx -> new DataValue(new Variant(random.nextDouble()))));
        getNodeManager().addNode(node);
        dynamicFolder.addOrganizes(node);
    }
}

Example 5 with UaVariableNode

use of org.eclipse.milo.opcua.sdk.server.nodes.UaVariableNode in project milo by eclipse.

the class ExampleNamespace method addCustomUnionTypeVariable.

private void addCustomUnionTypeVariable(UaFolderNode rootFolder) throws Exception {
    NodeId dataTypeId = CustomUnionType.TYPE_ID.toNodeIdOrThrow(getServer().getNamespaceTable());
    NodeId binaryEncodingId = CustomUnionType.BINARY_ENCODING_ID.toNodeIdOrThrow(getServer().getNamespaceTable());
    UaVariableNode customUnionTypeVariable = UaVariableNode.builder(getNodeContext()).setNodeId(newNodeId("HelloWorld/CustomUnionTypeVariable")).setAccessLevel(AccessLevel.READ_WRITE).setUserAccessLevel(AccessLevel.READ_WRITE).setBrowseName(newQualifiedName("CustomUnionTypeVariable")).setDisplayName(LocalizedText.english("CustomUnionTypeVariable")).setDataType(dataTypeId).setTypeDefinition(Identifiers.BaseDataVariableType).build();
    CustomUnionType value = CustomUnionType.ofBar("hello");
    ExtensionObject xo = ExtensionObject.encodeDefaultBinary(getServer().getSerializationContext(), value, binaryEncodingId);
    customUnionTypeVariable.setValue(new DataValue(new Variant(xo)));
    getNodeManager().addNode(customUnionTypeVariable);
    customUnionTypeVariable.addReference(new Reference(customUnionTypeVariable.getNodeId(), Identifiers.Organizes, rootFolder.getNodeId().expanded(), false));
}