public TreeUpdator(Tree.Tree tree, StackExchange.Redis.ISubscriber subscriber)
{
_thisSender = Guid.NewGuid().ToString();
_tree = tree;
_subscriber = subscriber;
_channelMessageSerializer = new JsonSerializer <TreeUpdateChannelMessageData>();
subscriber.SubscribeAsync(DatabaseSchema.TreeUpdateChannel).ContinueWith(t => t.Result.OnMessage(ProcessItemUpdate), TaskContinuationOptions.LongRunning);
}
public async Task SubscribeAsync(string key, Action <int, RedisMessage> onMessage)
{
await _redisSubscriber.SubscribeAsync(key, (channel, data) =>
{
var message = RedisMessage.FromBytes(data, _logger);
onMessage(0, message);
_latestMessageId = message.Id;
});
}
public async Task SubscribeAsync(string key, Action <int, RedisMessage> onMessage)
{
await _redisSubscriber.SubscribeAsync(key, (channel, data) =>
{
var message = RedisMessage.FromBytes(data, _trace);
onMessage(0, message);
// Save the last message id in just in case redis shuts down
_latestMessageId = message.Id;
});
}