code: /*
   * Copyright (c) 2022 Airbyte, Inc., all rights reserved.
   */
  
  package io.airbyte.integrations.destination.scylla;
  
  import com.fasterxml.jackson.databind.JsonNode;
  import io.airbyte.integrations.BaseConnector;
  import io.airbyte.integrations.base.AirbyteMessageConsumer;
  import io.airbyte.integrations.base.Destination;
  import io.airbyte.integrations.base.IntegrationRunner;
  import io.airbyte.protocol.models.AirbyteConnectionStatus;
  import io.airbyte.protocol.models.AirbyteMessage;
  import io.airbyte.protocol.models.ConfiguredAirbyteCatalog;
  import java.util.UUID;
  import java.util.function.Consumer;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  public class ScyllaDestination extends BaseConnector implements Destination {
  
    private static final Logger LOGGER = LoggerFactory.getLogger(ScyllaDestination.class);
  
    public static void main(String[] args) throws Exception {
      new IntegrationRunner(new ScyllaDestination()).run(args);
    }
  
    @Override
    public AirbyteConnectionStatus check(JsonNode config) {
      var scyllaConfig = new ScyllaConfig(config);
      // add random uuid to avoid conflicts with existing tables.
      String tableName = "table_" + UUID.randomUUID().toString().replace("-", "");
      ScyllaCqlProvider scyllaCqlProvider = null;
      try {
        scyllaCqlProvider = new ScyllaCqlProvider(scyllaConfig);
        // check connection and write permissions
        scyllaCqlProvider.createKeyspaceIfNotExists(scyllaConfig.getKeyspace());
        scyllaCqlProvider.createTableIfNotExists(scyllaConfig.getKeyspace(), tableName);
        scyllaCqlProvider.insert(scyllaConfig.getKeyspace(), tableName, "{}");
        return new AirbyteConnectionStatus().withStatus(AirbyteConnectionStatus.Status.SUCCEEDED);
      } catch (Exception e) {
        LOGGER.error("Can't establish Scylla connection with reason: ", e);
        return new AirbyteConnectionStatus().withStatus(AirbyteConnectionStatus.Status.FAILED);
      } finally {
        if (scyllaCqlProvider != null) {
          try {
            scyllaCqlProvider.dropTableIfExists(scyllaConfig.getKeyspace(), tableName);
          } catch (Exception e) {
            LOGGER.error("Error while deleting temp table {} with reason: ", tableName, e);
          }
          scyllaCqlProvider.close();
        }
      }
    }
  
    @Override
    public AirbyteMessageConsumer getConsumer(JsonNode config,
                                              ConfiguredAirbyteCatalog configuredCatalog,
                                              Consumer<AirbyteMessage> outputRecordCollector) {
      return new ScyllaMessageConsumer(new ScyllaConfig(config), configuredCatalog, outputRecordCollector);
    }
  
  }
  