public IdentifierMapperHost(GlobalOptions options, ISwapIdentifiers swapper = null)
: base(options)
{
_consumerOptions = options.IdentifierMapperOptions;
FansiImplementations.Load();
if (swapper == null)
{
Logger.Info("Not passed a swapper, creating one of type " + options.IdentifierMapperOptions.SwapperType);
_swapper = ObjectFactory.CreateInstance <ISwapIdentifiers>(options.IdentifierMapperOptions.SwapperType, typeof(ISwapIdentifiers).Assembly);
}
else
{
_swapper = swapper;
}
// If we want to use a Redis server to cache answers then wrap the mapper in a Redis caching swapper
if (!string.IsNullOrWhiteSpace(options.IdentifierMapperOptions.RedisConnectionString))
{
try
{
_swapper = new RedisSwapper(options.IdentifierMapperOptions.RedisConnectionString, _swapper);
}
catch (RedisConnectionException e)
{
// NOTE(rkm 2020-03-30) Log & throw! I hate this, but if we don't log here using NLog, then the exception will bubble-up
// and only be printed to STDERR instead of to the log file and may be lost
Logger.Error(e, "Could not connect to Redis");
throw;
}
}
_swapper.Setup(_consumerOptions);
Logger.Info($"Swapper of type {_swapper.GetType()} created");
// Batching now handled implicitly as backlog demands
_producerModel = RabbitMqAdapter.SetupProducer(options.IdentifierMapperOptions.AnonImagesProducerOptions, isBatch: true);
Consumer = new IdentifierMapperQueueConsumer(_producerModel, _swapper)
{
AllowRegexMatching = options.IdentifierMapperOptions.AllowRegexMatching
};
// Add our event handler for control messages
AddControlHandler(new IdentifierMapperControlMessageHandler(_swapper));
}
public override void Setup(IMappingTableOptions mappingTableOptions)
{
_hostedSwapper.Setup(mappingTableOptions);
}