How to use

Service$Factory

in

org.apache.calcite.avatica.remote

final Service service;
if (metaFactory != null) {
  service = metaFactory.create(connection);
} else if (config.url() != null) {
  final AvaticaHttpClient httpClient = getHttpClient(connection, config);

/**
 * Creates a {@link Service} with the given {@link AvaticaConnection} and configuration.
 *
 * @param connection The {@link AvaticaConnection} to use.
 * @param config Configuration properties
 * @return A Service implementation.
 */
Service createService(AvaticaConnection connection, ConnectionConfig config) {
 final Service.Factory metaFactory = config.factory();
 final Service service;
 if (metaFactory != null) {
  service = metaFactory.create(connection);
 } else if (config.url() != null) {
  final AvaticaHttpClient httpClient = getHttpClient(connection, config);
  final Serialization serializationType = getSerialization(config);
  switch (serializationType) {
  case JSON:
   service = new RemoteService(httpClient);
   break;
  case PROTOBUF:
   service = new RemoteProtobufService(httpClient, new ProtobufTranslationImpl());
   break;
  default:
   throw new IllegalArgumentException("Unhandled serialization type: " + serializationType);
  }
 } else {
  service = new MockJsonService(Collections.<String, String>emptyMap());
 }
 return service;
}

final Service service;
if (metaFactory != null) {
 service = metaFactory.create(connection);
} else if (config.url() != null) {
 final AvaticaHttpClient httpClient = getHttpClient(connection, config);

final Service service;
if (metaFactory != null) {
 service = metaFactory.create(connection);
} else if (config.url() != null) {
 final AvaticaHttpClient httpClient = getHttpClient(connection, config);