Files
quantconnect--lean/Engine/DataFeeds/ISubscriptionSynchronizer.cs
2026-07-13 13:02:50 +08:00

41 lines
1.6 KiB
C#

/*
* QUANTCONNECT.COM - Democratizing Finance, Empowering Individuals.
* Lean Algorithmic Trading Engine v2.0. Copyright 2014 QuantConnect Corporation.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
using System;
using System.Collections.Generic;
using System.Threading;
namespace QuantConnect.Lean.Engine.DataFeeds
{
/// <summary>
/// Provides the ability to synchronize subscriptions into time slices
/// </summary>
public interface ISubscriptionSynchronizer
{
/// <summary>
/// Event fired when a subscription is finished
/// </summary>
event EventHandler<Subscription> SubscriptionFinished;
/// <summary>
/// Syncs the specified subscriptions. The frontier time used for synchronization is
/// managed internally and dependent upon previous synchronization operations.
/// </summary>
/// <param name="subscriptions">The subscriptions to sync</param>
/// <param name="cancellationToken">The cancellation token to stop enumeration</param>
IEnumerable<TimeSlice> Sync(IEnumerable<Subscription> subscriptions, CancellationToken cancellationToken);
}
}