Fix log message claiming connected to Cottontail even when not connec…

…ted (#367)

cineast-core/src/main/java/org/vitrivr/cineast/core/db/cottontaildb/CottontailWrapper.java

@@ -32,7 +32,9 @@ public CottontailWrapper(String host, int port) {
  this.client = new SimpleClient(sharedChannel(host, port));
  boolean pingSuccessful = this.client.ping();
  watch.stop();
- if (!pingSuccessful) {
+ if (pingSuccessful) {
+ LOGGER.info("Connected to Cottontail DB in {} ms at {}:{}", watch.getTime(TimeUnit.MILLISECONDS), host, port);
+ } else {
  LOGGER.warn("Could not ping Cottontail DB instance at {}:{}", host, port);
  }
  }
@@ -72,16 +74,13 @@ private static ManagedChannel sharedChannel(String host, int port) {
  * @return {@link ManagedChannel}
  */
  private static ManagedChannel createChannel(String host, int port) {
- final StopWatch watch = StopWatch.createStarted();
  LOGGER.debug("Starting to connect to Cottontail DB at {}:{}", host, port);
  final NettyChannelBuilder builder = NettyChannelBuilder.forAddress(host, port).usePlaintext();
  final ManagedChannel channel = builder.build();
  Runtime.getRuntime().addShutdownHook(new Thread(() -> {
  LOGGER.info("Closing connection to Cottontail DB.");
  channel.shutdownNow();
  }));
- watch.stop();
- LOGGER.info("Connected to Cottontail DB in {} ms at {}:{}", watch.getTime(TimeUnit.MILLISECONDS), host, port);
  return channel;
  }