55 lines
1.2 KiB
C#
55 lines
1.2 KiB
C#
using System.Collections.Concurrent;
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using System.Diagnostics.CodeAnalysis;
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namespace MesETL.App.Services;
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/// <summary>
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/// 数据队列
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/// </summary>
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public class DataRecordQueue : IDisposable
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{
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private readonly BlockingCollection<DataRecord> _queue;
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public int Count => _queue.Count;
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public bool IsCompleted => _queue.IsCompleted;
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public bool IsAddingCompleted => _queue.IsAddingCompleted;
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public event Action? OnRecordWrite;
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public event Action? OnRecordRead;
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public DataRecordQueue() : this(1000000) // 默认容量最大1M
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{
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}
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public DataRecordQueue(int boundedCapacity)
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{
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_queue = new BlockingCollection<DataRecord>(boundedCapacity);
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}
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public bool TryDequeue([MaybeNullWhen(false)] out DataRecord record)
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{
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if (_queue.TryTake(out record))
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{
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OnRecordRead?.Invoke();
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return true;
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}
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return false;
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}
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public DataRecord Dequeue() => _queue.Take();
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public void CompleteAdding() => _queue.CompleteAdding();
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public void Enqueue(DataRecord record)
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{
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_queue.Add(record);
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OnRecordWrite?.Invoke();
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}
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public void Dispose()
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{
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_queue.Dispose();
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}
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} |