31 lines
1.3 KiB
C#
31 lines
1.3 KiB
C#
using System.Collections.Concurrent;
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using System.Threading;
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namespace ASC.Common.Notify.Engine
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{
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/// <summary>
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/// Provides a way to set contextual data that flows with the call and
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/// async context of a test or invocation.
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/// </summary>
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public static class CallContext
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{
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static readonly ConcurrentDictionary<string, AsyncLocal<object>> state = new ConcurrentDictionary<string, AsyncLocal<object>>();
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/// <summary>
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/// Stores a given object and associates it with the specified name.
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/// </summary>
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/// <param name="name">The name with which to associate the new item in the call context.</param>
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/// <param name="data">The object to store in the call context.</param>
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public static void SetData(string name, object data) =>
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state.GetOrAdd(name, _ => new AsyncLocal<object>()).Value = data;
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/// <summary>
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/// Retrieves an object with the specified name from the <see cref="CallContext"/>.
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/// </summary>
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/// <param name="name">The name of the item in the call context.</param>
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/// <returns>The object in the call context associated with the specified name, or <see langword="null"/> if not found.</returns>
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public static object GetData(string name) =>
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state.TryGetValue(name, out var data) ? data.Value : null;
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}
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}
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