wehub-resource-sync
58 lines
2.2 KiB
C#
58 lines
2.2 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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*/
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using System;
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using System.Collections.Generic;
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using System.ComponentModel.Composition;
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using QuantConnect.Data;
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using QuantConnect.Packets;
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namespace QuantConnect.Interfaces
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{
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/// <summary>
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/// Task requestor interface with cloud system
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/// </summary>
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[InheritedExport(typeof(IDataQueueHandler))]
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public interface IDataQueueHandler : IDisposable
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{
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/// <summary>
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/// Subscribe to the specified configuration
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/// </summary>
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/// <param name="dataConfig">defines the parameters to subscribe to a data feed</param>
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/// <param name="newDataAvailableHandler">handler to be fired on new data available</param>
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/// <returns>The new enumerator for this subscription request</returns>
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IEnumerator<BaseData> Subscribe(SubscriptionDataConfig dataConfig, EventHandler newDataAvailableHandler);
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/// <summary>
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/// Removes the specified configuration
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/// </summary>
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/// <param name="dataConfig">Subscription config to be removed</param>
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void Unsubscribe(SubscriptionDataConfig dataConfig);
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/// <summary>
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/// Sets the job we're subscribing for
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/// </summary>
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/// <param name="job">Job we're subscribing for</param>
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void SetJob(LiveNodePacket job);
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/// <summary>
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/// Returns whether the data provider is connected
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/// </summary>
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/// <returns>True if the data provider is connected</returns>
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bool IsConnected { get; }
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}
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}
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