/// <summary>
/// Force server to close current subscription worker
/// </summary>
/// <param name="worker"></param>
/// <param name="database"></param>
public async Task DropSubscriptionWorkerAsync <T>(SubscriptionWorker <T> worker, string database = null, CancellationToken token = default) where T : class
{
database = _store.GetDatabase(database);
var requestExecutor = _store.GetRequestExecutor(database);
using (requestExecutor.ContextPool.AllocateOperationContext(out var jsonOperationContext))
{
var command = new DropSubscriptionConnectionCommand(worker.SubscriptionName, worker.WorkerId);
await requestExecutor.ExecuteAsync(command, jsonOperationContext, sessionInfo : null, token : token).ConfigureAwait(false);
}
}
/// <summary>
/// It opens a subscription and starts pulling documents since a last processed document for that subscription.
/// The connection options determine client and server cooperation rules like document batch sizes or a timeout in a matter of which a client
/// needs to acknowledge that batch has been processed. The acknowledgment is sent after all documents are processed by subscription's handlers.
/// There can be only a single client that is connected to a subscription.
/// </summary>
/// <returns>Subscription object that allows to add/remove subscription handlers.</returns>
public SubscriptionWorker <T> GetSubscriptionWorker <T>(SubscriptionWorkerOptions options, string database = null) where T : class
{
if (options == null)
{
throw new InvalidOperationException("Cannot open a subscription if options are null");
}
var subscription = new SubscriptionWorker <T>(options, _store, database);
subscription.OnDisposed += sender => _subscriptions.TryRemove(sender);
_subscriptions.Add(subscription);
return(subscription);
}
/// <summary>
/// Force server to close current subscription worker
/// </summary>
/// <param name="worker"></param>
/// <param name="database"></param>
public void DropSubscriptionWorker <T>(SubscriptionWorker <T> worker, string database = null) where T : class
{
AsyncHelpers.RunSync(() => DropSubscriptionWorkerAsync(worker, database));
}
