Files
quantconnect--lean/Common/Securities/FuncSecurityInitializer.cs
Stefano Raggi c6693cb237 Disable automatic security seeding
In this PR we are disabling the default security seeding (automatically getting the last price for a security when added to the algorithm) for a couple reasons, both when using large universes:
- In live trading, these history requests are sent to a history server, potentially causing timeouts
- In backtesting, depending on the algorithm this could also cause slowdowns up to 30%
2017-12-22 21:49:14 +01:00

47 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;
namespace QuantConnect.Securities
{
/// <summary>
/// Provides a functional implementation of <see cref="ISecurityInitializer"/>
/// </summary>
public class FuncSecurityInitializer : ISecurityInitializer
{
private readonly Action<Security> _initializer;
/// <summary>
/// Initializes a new instance of the <see cref="FuncSecurityInitializer"/> class
/// </summary>
/// <param name="initializer">The functional implementation of <see cref="ISecurityInitializer.Initialize"/></param>
public FuncSecurityInitializer(Action<Security> initializer)
{
_initializer = initializer;
}
/// <summary>
/// Initializes the specified security
/// </summary>
/// <param name="security">The security to be initialized</param>
public void Initialize(Security security)
{
_initializer(security);
}
}
}