/// <inheritdoc />
public async Task Run()
{
if (!ExclusiveRegionGuard.TryEnter(ref _exclusiveGuard))
{
return;
}
try
{
await RunExclusive();
}
finally
{
ExclusiveRegionGuard.Leave(ref _exclusiveGuard);
}
}
/// <summary>
/// 初始化 <see cref="ExclusiveCrawlerTaskBase"/> 类的新实例。
/// </summary>
protected ExclusiveCrawlerTaskBase()
{
ExclusiveRegionGuard.InitializeGuard(out _exclusiveGuard);
}