Stefano Raggi
36 lines
1.6 KiB
C#
36 lines
1.6 KiB
C#
/*
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* QUANTCONNECT.COM - Democratizing Finance, Empowering Individuals.
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* Lean Algorithmic Trading Engine v2.0. Copyright 2014 QuantConnect Corporation.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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using System;
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using System.Collections.Generic;
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using QuantConnect.Data;
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namespace QuantConnect.ToolBox
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{
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/// <summary>
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/// Data Downloader Interface for pulling data from a remote source.
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/// </summary>
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public interface IDataDownloader
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{
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/// <summary>
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/// Get historical data enumerable for a single symbol, type and resolution given this start and end time (in UTC).
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/// </summary>
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/// <param name="symbol">Symbol for the data we're looking for.</param>
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/// <param name="resolution">Resolution of the data request</param>
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/// <param name="startUtc">Start time of the data in UTC</param>
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/// <param name="endUtc">End time of the data in UTC</param>
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/// <returns>Enumerable of base data for this symbol</returns>
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IEnumerable<BaseData> Get(Symbol symbol, Resolution resolution, DateTime startUtc, DateTime endUtc);
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}
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} |