protected EnumSet compare()

in wrapper/src/main/java/software/amazon/jdbc/PluginServiceImpl.java [363:395]

• 27 lines of code
• 10 McCabe index (conditional complexity)

  protected EnumSet<NodeChangeOptions> compare(
      final @NonNull HostSpec hostSpecA,
      final @NonNull HostSpec hostSpecB) {

    final EnumSet<NodeChangeOptions> changes = EnumSet.noneOf(NodeChangeOptions.class);

    if (!hostSpecA.getHost().equals(hostSpecB.getHost())
        || hostSpecA.getPort() != hostSpecB.getPort()) {
      changes.add(NodeChangeOptions.HOSTNAME);
    }

    if (hostSpecA.getRole() != hostSpecB.getRole()) {
      if (hostSpecB.getRole() == HostRole.WRITER) {
        changes.add(NodeChangeOptions.PROMOTED_TO_WRITER);
      } else if (hostSpecB.getRole() == HostRole.READER) {
        changes.add(NodeChangeOptions.PROMOTED_TO_READER);
      }
    }

    if (hostSpecA.getAvailability() != hostSpecB.getAvailability()) {
      if (hostSpecB.getAvailability() == HostAvailability.AVAILABLE) {
        changes.add(NodeChangeOptions.WENT_UP);
      } else if (hostSpecB.getAvailability() == HostAvailability.NOT_AVAILABLE) {
        changes.add(NodeChangeOptions.WENT_DOWN);
      }
    }

    if (!changes.isEmpty()) {
      changes.add(NodeChangeOptions.NODE_CHANGED);
    }

    return changes;
  }