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

Example 96 with ExtensionObject

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

the class OpcUaBinaryStreamEncoder method writeValue.

// endregion
private void writeValue(Object value, int typeId, boolean structure, boolean enumeration) {
    if (structure) {
        UaStructure struct = (UaStructure) value;
        ExtensionObject extensionObject = ExtensionObject.encode(context, struct);
        writeBuiltinType(typeId, extensionObject);
    } else if (enumeration) {
        writeBuiltinType(typeId, ((UaEnumeration) value).getValue());
    } else {
        writeBuiltinType(typeId, value);
    }
}

Example 97 with ExtensionObject

use of org.eclipse.milo.opcua.stack.core.types.builtin.ExtensionObject in project tech-pdai-spring-demos by realpdai.

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));
}

Example 98 with ExtensionObject

use of org.eclipse.milo.opcua.stack.core.types.builtin.ExtensionObject in project tech-pdai-spring-demos by realpdai.

the class ExampleNamespace method addCustomStructTypeVariable.

private void addCustomStructTypeVariable(UaFolderNode rootFolder) throws Exception {
    NodeId dataTypeId = CustomStructType.TYPE_ID.toNodeIdOrThrow(getServer().getNamespaceTable());
    NodeId binaryEncodingId = CustomStructType.BINARY_ENCODING_ID.toNodeIdOrThrow(getServer().getNamespaceTable());
    UaVariableNode customStructTypeVariable = UaVariableNode.builder(getNodeContext()).setNodeId(newNodeId("HelloWorld/CustomStructTypeVariable")).setAccessLevel(AccessLevel.READ_WRITE).setUserAccessLevel(AccessLevel.READ_WRITE).setBrowseName(newQualifiedName("CustomStructTypeVariable")).setDisplayName(LocalizedText.english("CustomStructTypeVariable")).setDataType(dataTypeId).setTypeDefinition(Identifiers.BaseDataVariableType).build();
    CustomStructType value = new CustomStructType("foo", uint(42), true);
    ExtensionObject xo = ExtensionObject.encodeDefaultBinary(getServer().getSerializationContext(), value, binaryEncodingId);
    customStructTypeVariable.setValue(new DataValue(new Variant(xo)));
    getNodeManager().addNode(customStructTypeVariable);
    customStructTypeVariable.addReference(new Reference(customStructTypeVariable.getNodeId(), Identifiers.Organizes, rootFolder.getNodeId().expanded(), false));
}

Example 99 with ExtensionObject

use of org.eclipse.milo.opcua.stack.core.types.builtin.ExtensionObject in project tech-pdai-spring-demos by realpdai.

the class OpcUaClientServiceImpl method retrieveCustomHistoryData.

/**
 * retrieve custom type history data.
 *
 * @param historyReadValueId node id
 * @return data
 * @throws java.security.UnrecoverableKeyException       UnrecoverableKey Exception
 * @throws org.eclipse.milo.opcua.stack.core.UaException Ua Exception
 * @throws java.security.cert.CertificateException       Certificate Exception
 * @throws java.io.IOException                           IO Exception
 * @throws java.security.KeyStoreException               KeyStore Exception
 * @throws java.security.NoSuchAlgorithmException        NoSuchAlgorithm Exception
 * @throws java.util.concurrent.ExecutionException       Execution Exception
 * @throws InterruptedException                          Interrupted Exception
 */
@Override
public List<CustomStructType> retrieveCustomHistoryData(HistoryReadValueId historyReadValueId) throws UnrecoverableKeyException, UaException, CertificateException, IOException, KeyStoreException, NoSuchAlgorithmException, ExecutionException, InterruptedException {
    log.info("trying to get custom data from node {}", historyReadValueId);
    OpcUaClient opcClient = getOpcUaClient();
    try {
        // connect
        log.info("connect to opc server");
        opcClient.addSessionInitializer(new DataTypeDictionarySessionInitializer(new GenericBsdParser()));
        opcClient.connect().get();
        // read history
        HistoryReadResponse historyReadResponse = opcClient.historyRead(new ReadRawModifiedDetails(false, DateTime.MIN_VALUE, DateTime.now(), uint(0), true), TimestampsToReturn.Both, false, Collections.singletonList(historyReadValueId)).get();
        // register custom codec
        log.info("register custom codec");
        registerCustomCodec(opcClient);
        // parse result
        log.info("parse history data result");
        HistoryReadResult[] historyReadResults = historyReadResponse.getResults();
        if (historyReadResults != null) {
            HistoryReadResult historyReadResult = historyReadResults[0];
            StatusCode statusCode = historyReadResult.getStatusCode();
            // check if status code is good
            if (statusCode.isGood()) {
                HistoryData historyData = (HistoryData) historyReadResult.getHistoryData().decode(opcClient.getStaticSerializationContext());
                // parse node value to custom type
                return l(historyData.getDataValues()).stream().map(value -> {
                    log.info("Value={}", value);
                    Variant variant = value.getValue();
                    ExtensionObject xo = (ExtensionObject) variant.getValue();
                    // decode value
                    CustomStructType decoded = (CustomStructType) xo.decode(opcClient.getStaticSerializationContext());
                    log.info("Decoded={}", decoded);
                    return decoded;
                }).collect(Collectors.toList());
            } else {
                log.error("History read failed: {}", statusCode);
            }
        }
        return new ArrayList<>();
    } finally {
        opcClient.disconnect();
    }
}

Example 100 with ExtensionObject

use of org.eclipse.milo.opcua.stack.core.types.builtin.ExtensionObject in project tech-pdai-spring-demos by realpdai.

the class OpcUaClientServiceImpl method retrieveCustomData.

/**
 * retrieve custom type data.
 *
 * @param nodeId node id
 * @return data
 * @throws java.security.UnrecoverableKeyException UnrecoverableKey Exception
 * @throws UaException                             Ua Exception
 * @throws java.security.cert.CertificateException Certificate Exception
 * @throws java.io.IOException                     IO Exception
 * @throws java.security.KeyStoreException         KeyStore Exception
 * @throws java.security.NoSuchAlgorithmException  NoSuchAlgorithm Exception
 * @throws java.util.concurrent.ExecutionException Execution Exception
 * @throws InterruptedException                    Interrupted Exception
 */
@Override
public CustomStructType retrieveCustomData(NodeId nodeId) throws UnrecoverableKeyException, UaException, CertificateException, IOException, KeyStoreException, NoSuchAlgorithmException, ExecutionException, InterruptedException {
    log.info("trying to get custom data from node {}", nodeId);
    OpcUaClient opcClient = getOpcUaClient();
    try {
        // connect
        log.info("connect to opc server");
        opcClient.addSessionInitializer(new DataTypeDictionarySessionInitializer(new GenericBsdParser()));
        opcClient.connect().get();
        // register custom codec
        log.info("register custom codec");
        registerCustomCodec(opcClient);
        // synchronous read request via VariableNode
        UaVariableNode node = opcClient.getAddressSpace().getVariableNode(nodeId);
        log.info("DataType={}", node.getDataType());
        // Read the current value
        log.info("trying to read value form NodeId");
        DataValue value = node.readValue();
        log.info("Value={}", value);
        Variant variant = value.getValue();
        ExtensionObject xo = (ExtensionObject) variant.getValue();
        // decode value
        CustomStructType decoded = (CustomStructType) xo.decode(opcClient.getStaticSerializationContext());
        log.info("Decoded={}", decoded);
        return decoded;
    } finally {
        opcClient.disconnect();
    }
}