Examples with PlcField org.apache.plc4x.java.api.model.PlcField used on opensource projects

Example 6 with PlcField

use of org.apache.plc4x.java.api.model.PlcField in project plc4x by apache.

the class SingleFieldOptimizer method processReadRequest.

@Override
protected List<PlcRequest> processReadRequest(PlcReadRequest readRequest, DriverContext driverContext) {
    if (readRequest.getNumberOfFields() == 1) {
        return Collections.singletonList(readRequest);
    }
    List<PlcRequest> subRequests = new ArrayList<>(readRequest.getNumberOfFields());
    for (String fieldName : readRequest.getFieldNames()) {
        PlcField field = readRequest.getField(fieldName);
        PlcReadRequest subRequest = new DefaultPlcReadRequest(((DefaultPlcReadRequest) readRequest).getReader(), new LinkedHashMap<>(Collections.singletonMap(fieldName, field)));
        subRequests.add(subRequest);
    }
    return subRequests;
}

Example 7 with PlcField

use of org.apache.plc4x.java.api.model.PlcField in project plc4x by apache.

the class SingleFieldOptimizer method processWriteRequest.

@Override
protected List<PlcRequest> processWriteRequest(PlcWriteRequest writeRequest, DriverContext driverContext) {
    if (writeRequest.getNumberOfFields() == 1) {
        return Collections.singletonList(writeRequest);
    }
    List<PlcRequest> subRequests = new ArrayList<>(writeRequest.getNumberOfFields());
    for (String fieldName : writeRequest.getFieldNames()) {
        PlcField field = writeRequest.getField(fieldName);
        PlcValue value = writeRequest.getPlcValue(fieldName);
        PlcWriteRequest subRequest = new DefaultPlcWriteRequest(((DefaultPlcWriteRequest) writeRequest).getWriter(), new LinkedHashMap<>(Collections.singletonMap(fieldName, new FieldValueItem(field, value))));
        subRequests.add(subRequest);
    }
    return subRequests;
}

Example 8 with PlcField

use of org.apache.plc4x.java.api.model.PlcField in project plc4x by apache.

the class Plc4x2AdsProtocol method encodeWriteRequest.

private void encodeWriteRequest(PlcRequestContainer<InternalPlcRequest, InternalPlcResponse> msg, List<Object> out) throws PlcException {
    InternalPlcWriteRequest writeRequest = (InternalPlcWriteRequest) msg.getRequest();
    if (writeRequest.getFields().size() != 1) {
        throw new PlcProtocolException("Only one item supported");
    }
    PlcField field = writeRequest.getFields().get(0);
    if (field instanceof SymbolicAdsField) {
        DirectAdsField mappedField = fieldMapping.get(field);
        LOGGER.debug("Replacing {} with {}", field, mappedField);
        field = mappedField;
    }
    if (!(field instanceof DirectAdsField)) {
        throw new PlcProtocolException("PlcField not of type DirectAdsField: " + field.getClass());
    }
    DirectAdsField directAdsField = (DirectAdsField) field;
    Invoke invokeId = Invoke.of(correlationBuilder.incrementAndGet());
    IndexGroup indexGroup = IndexGroup.of(directAdsField.getIndexGroup());
    IndexOffset indexOffset = IndexOffset.of(directAdsField.getIndexOffset());
    Object[] plcValues;
    PlcValue plcValue = writeRequest.getPlcValues().get(0);
    if (plcValue instanceof PlcList) {
        plcValues = ((PlcList) plcValue).getList().toArray(new Object[0]);
    } else {
        plcValues = new Object[] { plcValue.getObject() };
    }
    byte[] bytes = encodeData(directAdsField.getAdsDataType(), plcValues);
    int bytesToBeWritten = bytes.length;
    int maxTheoreticalSize = directAdsField.getAdsDataType().getTargetByteSize() * directAdsField.getNumberOfElements();
    if (bytesToBeWritten > maxTheoreticalSize) {
        LOGGER.debug("Requested AdsDatatype {} is exceeded by number of bytes {}. Limit {}.", directAdsField.getAdsDataType(), bytesToBeWritten, maxTheoreticalSize);
        throw new PlcProtocolPayloadTooBigException("ADS", maxTheoreticalSize, bytesToBeWritten, plcValues);
    }
    Data data = Data.of(bytes);
    AmsPacket amsPacket = AdsWriteRequest.of(targetAmsNetId, targetAmsPort, sourceAmsNetId, sourceAmsPort, invokeId, indexGroup, indexOffset, data);
    LOGGER.debug("encoded write request {}", amsPacket);
    out.add(amsPacket);
    requests.put(invokeId.getAsLong(), msg);
}

Example 9 with PlcField

use of org.apache.plc4x.java.api.model.PlcField in project plc4x by apache.

the class CANOpenProtocolLogic method read.

public CompletableFuture<PlcReadResponse> read(PlcReadRequest readRequest) {
    CompletableFuture<PlcReadResponse> response = new CompletableFuture<>();
    if (readRequest.getFieldNames().size() != 1) {
        response.completeExceptionally(new IllegalArgumentException("SDO requires single field to be read"));
        return response;
    }
    PlcField field = readRequest.getFields().get(0);
    if (!(field instanceof CANOpenField)) {
        response.completeExceptionally(new IllegalArgumentException("Only CANOpenField instances are supported"));
        return response;
    }
    if (!(field instanceof CANOpenSDOField)) {
        response.completeExceptionally(new IllegalArgumentException("Only CANOpenSDOField instances are supported"));
        return response;
    }
    ;
    readInternally(readRequest, (CANOpenSDOField) field, response);
    return response;
}

Example 10 with PlcField

use of org.apache.plc4x.java.api.model.PlcField in project plc4x by apache.

the class CANOpenProtocolLogic method write.

public CompletableFuture<PlcWriteResponse> write(PlcWriteRequest writeRequest) {
    CompletableFuture<PlcWriteResponse> response = new CompletableFuture<>();
    if (writeRequest.getFieldNames().size() != 1) {
        response.completeExceptionally(new IllegalArgumentException("You can write only one field at the time"));
        return response;
    }
    PlcField field = writeRequest.getFields().get(0);
    if (!(field instanceof CANOpenField)) {
        response.completeExceptionally(new IllegalArgumentException("Only CANOpenField instances are supported"));
        return response;
    }
    if (field instanceof CANOpenSDOField) {
        writeInternally((DefaultPlcWriteRequest) writeRequest, (CANOpenSDOField) field, response);
        return response;
    }
    if (field instanceof CANOpenPDOField) {
        writeInternally((DefaultPlcWriteRequest) writeRequest, (CANOpenPDOField) field, response);
        return response;
    }
    response.completeExceptionally(new IllegalArgumentException("Only CANOpenSDOField instances are supported"));
    return response;
}