Examples with ClientConnectionAlreadyInCacheException org.opensmartgridplatform.adapter.protocol.iec60870.domain.exceptions.ClientConnectionAlreadyInCacheException used on opensource projects

Example 1 with ClientConnectionAlreadyInCacheException

use of org.opensmartgridplatform.adapter.protocol.iec60870.domain.exceptions.ClientConnectionAlreadyInCacheException in project open-smart-grid-platform by OSGP.

the class ClientConnectionService method createConnection.

private ClientConnection createConnection(final RequestMetadata requestMetadata) throws ConnectionFailureException {
    final String deviceIdentification = requestMetadata.getDeviceIdentification();
    final Iec60870Device device = this.getIec60870Device(deviceIdentification);
    final Iec60870Device connectionDevice = this.getConnectionDevice(device);
    final String connectionDeviceIdentification = device.getConnectionDeviceIdentification();
    final ConnectionParameters connectionParameters = this.createConnectionParameters(connectionDevice, requestMetadata.getIpAddress());
    final ResponseMetadata responseMetadata = ResponseMetadata.from(requestMetadata, connectionDeviceIdentification, connectionDevice.getDeviceType());
    final ClientConnectionEventListener eventListener = new ClientConnectionEventListener.Builder().withDeviceIdentification(connectionDeviceIdentification).withClientAsduHandlerRegistry(this.clientAsduHandlerRegistry).withClientConnectionCache(this.connectionCache).withLoggingService(this.loggingService).withLogItemFactory(this.logItemFactory).withResponseMetadata(responseMetadata).withResponseMetadataFactory(this.responseMetadataFactory).build();
    final ClientConnection newDeviceConnection = this.iec60870Client.connect(connectionParameters, eventListener);
    try {
        this.connectionCache.addConnection(connectionDeviceIdentification, newDeviceConnection);
    } catch (final ClientConnectionAlreadyInCacheException e) {
        LOGGER.warn("Client connection for device {} already exists. Closing new connection and returning existing connection", connectionDeviceIdentification);
        LOGGER.debug("Exception: ", e);
        newDeviceConnection.getConnection().close();
        return e.getClientConnection();
    }
    return newDeviceConnection;
}