如何异步处理集合集合
本文关键字:集合 处理 异步 何异步 | 更新日期: 2023-09-27 18:34:33
过去,我通过使用 PLINQ 轻松地将 for 循环变成多任务速度恶魔。
但是,由于处理集合,我遇到了困难。
我可能会自己解决这个问题,但我认为看看其他人也会如何解决这个问题会很有用。
更新:我确信下面的代码存在概念问题,但我无法完全用语言表达它。 如果有人能看到我在说什么,很好,但我会更多地考虑这个问题,并尝试使问题整体上更好(或者如果我意识到这完全是我的错误,请删除它(
这是主要逻辑:
public static void Execute()
{
var service = Locator.Get<ICakeService>();
using (var db = new Cake.Model.CakeContainer())
{
foreach (var campaigns in service.ExportCampaigns())
{
// --> THIS LOOP SHOULD BE EXECUTED IN A SEPARATE THREAD
foreach (var campaign in campaigns)
{
// ... logic to process a campaign ...
}
}
}
}
以下是服务:
public IEnumerable<campaign[]> ExportCampaigns()
{
campaign[] result = null;
var service = new exportSoapClient("exportSoap");
// --> IF I DO A PARALLEL FOREACH HERE THE CLIENT CODE ABOVE
// STOPS MAKING SENSE TO ME...
foreach (var offer in this.ExportOffers())
{
var response = service.Campaigns(
api_key: this.apiKey,
offer_id: offer.offer_id);
yield return result;
}
}
并行化的另一个选项是
Parallel.Foreach(service.ExportCampaigns(), campaigns =>
{
// --> THIS LOOP will be run in multiple threads at the same time
foreach (var campaign in campaigns)
{
// ... logic to process a campaign ...
}
});
如果内部foreach
的工作太少,这可能是比esskar的解决方案更好的选择。
这是一个没有兰巴达斯的版本
public static void Execute(Action<campaign[]> action)
{
var service = Locator.Get<ICakeService>();
using (var db = new Cake.Model.CakeContainer())
{
Parallel.Foreach(service.ExportCampaigns(), action);
}
}
//This method will be executed in parallel for each element in the IEnumerable<campaign[]>.
private void ProcessCampaigns(campaign[] campaigns)
{
foreach (var campaign in campaigns)
{
// ... logic to process a campaign ...
}
}
// Call to Execute looks something like this:
command.Execute(ProcessCampaigns)
使用 System.Threading.Task 中的并行助手
Parallel.Foreach(campaigns, compaign =>
{
// ... logic to process a campaign ...
});
编辑:这是一个完整的示例
public static void Execute()
{
var service = Locator.Get<ICakeService>();
using (var db = new Cake.Model.CakeContainer())
{
foreach (var campaigns in service.ExportCampaigns())
{
ProcessCampaigns(campaigns);
}
}
}
private void ProcessCampaigns(IEnumerable<Campaign>> campaigns)
{
Parallel.Foreach(compaigns, ProcessCampaign);
}
private void ProcessCampaign(Campaign campaign)
{
// ... logic to process a campaign ...
}