opentelemetry-dotnet/src/OpenCensus.Abstractions/Stats/IAggregation.cs

47 lines
1.9 KiB
C#

// <copyright file="IAggregation.cs" company="OpenCensus Authors">
// Copyright 2018, OpenCensus Authors
//
// 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.
// </copyright>
namespace OpenCensus.Stats
{
using System;
using OpenCensus.Stats.Aggregations;
/// <summary>
/// Represents the type of aggregation.
/// </summary>
public interface IAggregation
{
/// <summary>
/// Executed callback specific to aggregation without type casting.
/// </summary>
/// <typeparam name="T">Expected return value.</typeparam>
/// <param name="p0">Callback to be called by sum aggregation.</param>
/// <param name="p1">Callback to be called by count aggregation.</param>
/// <param name="p2">Callback to be called by mean aggregation.</param>
/// <param name="p3">Callback to be called by distribution aggregation.</param>
/// <param name="p4">Callback to be called by last value aggregation.</param>
/// <param name="p6">Callback to be called for any other aggregation.</param>
/// <returns>The result of the aggregator-specific callback execution.</returns>
T Match<T>(
Func<ISum, T> p0,
Func<ICount, T> p1,
Func<IMean, T> p2,
Func<IDistribution, T> p3,
Func<ILastValue, T> p4,
Func<IAggregation, T> p6);
}
}