Examples with GetResult org.openmuc.jdlms.GetResult used on opensource projects

Example 46 with GetResult

use of org.openmuc.jdlms.GetResult in project open-smart-grid-platform by OSGP.

the class DlmsHelper method getWithList.

public List<GetResult> getWithList(final DlmsConnectionManager conn, final DlmsDevice device, final AttributeAddress... params) throws ProtocolAdapterException {
    try {
        if (device.isWithListSupported()) {
            // Getting a too large list of attribute addresses in one get
            // from the DlmsConnection
            // might result in a SCOPE_OF_ACCESS_VIOLATED error
            final List<GetResult> getResults = new ArrayList<>();
            final List<AttributeAddress[]> maximizedSubsetsOfParams = this.getMaximizedSubsetsOfParams(params);
            for (final AttributeAddress[] maximizedSubsetOfParams : maximizedSubsetsOfParams) {
                getResults.addAll(conn.getConnection().get(Arrays.asList(maximizedSubsetOfParams)));
            }
            return getResults;
        } else {
            return this.getWithListWorkaround(conn, params);
        }
    } catch (final IOException | NullPointerException e) {
        // JDlmsException).
        throw new ConnectionException("Connection error retrieving values with-list for device: " + device.getDeviceIdentification(), e);
    } catch (final Exception e) {
        throw new ProtocolAdapterException("Error retrieving values with-list for device: " + device.getDeviceIdentification() + ", with-list: " + (device.isWithListSupported() ? "supported" : "not supported"), e);
    }
}

Example 47 with GetResult

use of org.openmuc.jdlms.GetResult in project open-smart-grid-platform by OSGP.

the class DlmsHelper method getAttributeValue.

/**
 * Gets a single result from a meter, and returns the result data if retrieval was successful
 * (resultCode of the GetResult equals AccessResultCode.SUCCESS).
 *
 * @return a result from trying to retrieve the value for the attribute identified by {@code
 *     attributeAddress}.
 */
public DataObject getAttributeValue(final DlmsConnectionManager conn, final AttributeAddress attributeAddress) throws FunctionalException {
    Objects.requireNonNull(conn, "conn must not be null");
    Objects.requireNonNull(attributeAddress, "attributeAddress must not be null");
    try {
        final GetResult getResult = conn.getConnection().get(attributeAddress);
        final AccessResultCode resultCode = getResult.getResultCode();
        if (AccessResultCode.SUCCESS == resultCode) {
            return getResult.getResultData();
        }
        final String errorMessage = String.format("Retrieving attribute value for { %d, %s, %d }. Result: resultCode(%d), with data: %s", attributeAddress.getClassId(), attributeAddress.getInstanceId().asShortObisCodeString(), attributeAddress.getId(), resultCode.getCode(), this.getDebugInfo(getResult.getResultData()));
        LOGGER.error(errorMessage);
        throw new FunctionalException(FunctionalExceptionType.ERROR_RETRIEVING_ATTRIBUTE_VALUE, ComponentType.PROTOCOL_DLMS, new OsgpException(ComponentType.PROTOCOL_DLMS, errorMessage));
    } catch (final IOException e) {
        throw new ConnectionException(e);
    }
}