Files
2026-07-13 13:02:50 +08:00

106 lines
3.7 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 QuantConnect.Data;
using QuantConnect.Data.UniverseSelection;
using QuantConnect.Interfaces;
namespace QuantConnect.Lean.Engine.DataFeeds
{
/// <summary>
/// Represents a grouping of data emitted at a certain time.
/// </summary>
public class TimeSlice
{
/// <summary>
/// Gets the count of data points in this <see cref="TimeSlice"/>
/// </summary>
public int DataPointCount { get; }
/// <summary>
/// Gets the UTC time this data was emitted
/// </summary>
public DateTime Time { get; }
/// <summary>
/// Gets the data in the time slice
/// </summary>
public List<DataFeedPacket> Data { get; }
/// <summary>
/// Gets the <see cref="Slice"/> that will be used as input for the algorithm
/// </summary>
public Slice Slice { get; }
/// <summary>
/// Gets the data used to update securities
/// </summary>
public List<UpdateData<ISecurityPrice>> SecuritiesUpdateData { get; }
/// <summary>
/// Gets the data used to update the consolidators
/// </summary>
public List<UpdateData<SubscriptionDataConfig>> ConsolidatorUpdateData { get; }
/// <summary>
/// Gets all the custom data in this <see cref="TimeSlice"/>
/// </summary>
public List<UpdateData<ISecurityPrice>> CustomData { get; }
/// <summary>
/// Gets the changes to the data subscriptions as a result of universe selection
/// </summary>
public SecurityChanges SecurityChanges { get; }
/// <summary>
/// Gets the universe data generated this time step.
/// </summary>
public Dictionary<Universe, BaseDataCollection> UniverseData { get; }
/// <summary>
/// True indicates this time slice is a time pulse for the algorithm containing no data
/// </summary>
public bool IsTimePulse { get; }
/// <summary>
/// Initializes a new <see cref="TimeSlice"/> containing the specified data
/// </summary>
public TimeSlice(DateTime time,
int dataPointCount,
Slice slice,
List<DataFeedPacket> data,
List<UpdateData<ISecurityPrice>> securitiesUpdateData,
List<UpdateData<SubscriptionDataConfig>> consolidatorUpdateData,
List<UpdateData<ISecurityPrice>> customData,
SecurityChanges securityChanges,
Dictionary<Universe, BaseDataCollection> universeData,
bool isTimePulse = false)
{
Time = time;
Data = data;
Slice = slice;
CustomData = customData;
DataPointCount = dataPointCount;
SecuritiesUpdateData = securitiesUpdateData;
ConsolidatorUpdateData = consolidatorUpdateData;
SecurityChanges = securityChanges;
UniverseData = universeData;
IsTimePulse = isTimePulse;
}
}
}