24 lines
771 B
C#
24 lines
771 B
C#
namespace MessageService.Domain.Tools
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{
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public static class StreamKeyBuilder
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{
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public static string Private(Guid a, Guid b)
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{
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// Guid 类型使用 Guid.Empty 来判断是否为无效/初始化的 ID
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if (a == Guid.Empty || b == Guid.Empty)
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throw new ArgumentException("IDs cannot be empty.");
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// Guid 实现了 IComparable，使用 CompareTo 来保持生成 Key 的顺序一致性
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return $"p:{(a.CompareTo(b) < 0 ? $"{a}_{b}" : $"{b}_{a}")}";
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}
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public static string Group(Guid groupId)
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{
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if (groupId == Guid.Empty)
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throw new ArgumentException("Group ID cannot be empty.");
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return $"g:{groupId}";
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}
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}
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}
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