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quantconnect--lean/Common/Data/ISubscriptionEnumeratorFactory.cs
T
2026-07-13 13:02:50 +08:00

37 lines
1.5 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.Collections.Generic;
using QuantConnect.Data.UniverseSelection;
using QuantConnect.Interfaces;
namespace QuantConnect.Data
{
/// <summary>
/// Create an <see cref="IEnumerator{BaseData}"/>
/// </summary>
public interface ISubscriptionEnumeratorFactory
{
/// <summary>
/// Creates an enumerator to read the specified request
/// </summary>
/// <param name="request">The subscription request to be read</param>
/// <param name="dataProvider">Provider used to get data when it is not present on disk</param>
/// <returns>An enumerator reading the subscription request</returns>
IEnumerator<BaseData> CreateEnumerator(SubscriptionRequest request, IDataProvider dataProvider);
}
}