/*
 * 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.ComponentModel.Composition;

namespace QuantConnect.Statistics
{
    /// <summary>
    /// This interface exposes methods for accessing algorithm statistics results at runtime.
    /// </summary>
    public interface IStatisticsService
    {
        /// <summary>
        /// Calculates and gets the current statistics for the algorithm
        /// </summary>
        /// <returns>The current statistics</returns>
        StatisticsResults StatisticsResults();

        /// <summary>
        /// Sets or updates a custom summary statistic
        /// </summary>
        /// <param name="name">The statistic name</param>
        /// <param name="value">The statistic value</param>
        void SetSummaryStatistic(string name, string value);
    }
}