public async Task Execute(IJobExecutionContext context)
{
using (var scope = ResourceLocator.ObtainLifetimeScope())
{
var crawlers = scope.Resolve <IEnumerable <IDomainCrawler> >();
var searchCrawlers = scope.Resolve <IEnumerable <IDomainSearchCrawler> >();
var monitor = scope.Resolve <IDomainMonitor>();
using (var huntService = scope.Resolve <IHuntService>())
{
huntService.ConfigureIncludes().WithChain(query => query.Include(hunt => hunt.HuntedItem.Domain)).Commit();
//first we are getting all hunts that are meant to be fired in this interval
var hunts = await huntService.GetAllWithIds((long[])context.JobDetail.JobDataMap[HuntUpdateJobMapIdsPropertyKey]);
//now we will group them by items they are bound to in case of them repeating
foreach (var huntedItems in hunts.GroupBy(hunt => hunt.HuntedItem.Id))
{
//each domain will be checked in pararell
var updateTasks = new List <Task>();
foreach (var huntedItemsWithinDomain in huntedItems.GroupBy(hunt => hunt.HuntedItem.Domain, HuntDomain.IdComparer))
{
foreach (var hunt in huntedItemsWithinDomain)
{
updateTasks.Add(new Task(async() =>
{
using (await monitor.WaitForDomainAccess(huntedItemsWithinDomain.Key))
{
await ProcessItemUpdate(crawlers, searchCrawlers, hunt);
}
}));
}
}
await Task.WhenAll(updateTasks);
}
}
}
}