/// <summary> Create <see cref="IPriorityAccessQueue{TResource}" /> with single static shared resource without service registration </summary>
/// <param name="services"> Service collection </param>
/// <param name="resource"> Shared resource instance </param>
/// <param name="maxPriority"> Max allowed operation priority </param>
/// <param name="maxAttempts"> Max allowed retry on fail attempts </param>
/// <typeparam name="TResource"> Shared resource type </typeparam>
/// <exception cref="ArgumentNullException"> Thrown if <paramref name="resource" /> is NULL </exception>
public static IPriorityAccessQueue <TResource> CreatePriorityAccessQueue <TResource>(this IServiceCollection services, TResource resource,
int maxPriority = 100, int maxAttempts = int.MaxValue)
where TResource : notnull
{
if (resource == null)
{
throw new ArgumentNullException(nameof(resource));
}
var manager = new PriorityAccessQueueManager <TResource>(maxPriority, maxAttempts);
services.AddHostedService(provider
=> new TaskWorker <TResource, int>(provider, manager, ProcessorFactory.CreateProcessor <TResource, int>(resource)));
return(manager);
}
/// <summary> Create <see cref="IPriorityAccessQueue{TResource}" /> with static shared resources without service registration </summary>
/// <param name="services"> Service collection </param>
/// <param name="resources"> Shared resources collection </param>
/// <param name="maxPriority"> Max allowed operation priority </param>
/// <param name="maxAttempts"> Max allowed retry on fail attempts </param>
/// <typeparam name="TResource"> Shared resource type </typeparam>
/// <exception cref="ArgumentNullException"> Thrown if <paramref name="resources" /> is NULL </exception>
/// <exception cref="ArgumentException"> Thrown if <paramref name="resources" /> collection is empty </exception>
public static IPriorityAccessQueue <TResource> CreatePriorityAccessQueue <TResource>(this IServiceCollection services,
IEnumerable <TResource> resources, int maxPriority = 100, int maxAttempts = int.MaxValue)
where TResource : notnull
{
var arguments = (resources ?? throw new ArgumentNullException(nameof(resources))).Where(resource => resource != null).ToList();
if (arguments.Count == 0)
{
throw new ArgumentException("Empty collection", nameof(resources));
}
var manager = new PriorityAccessQueueManager <TResource>(maxPriority, maxAttempts);
services.AddHostedService(provider
=> new TaskWorker <TResource, int>(provider, manager, ProcessorFactory.CreateProcessor <TResource, int>(arguments)));
return(manager);
}
/// <summary>
/// Create <see cref="IPriorityAccessQueue{TResource}" /> with given shared resources reuse <paramref name="strategy" /> without service
/// registration
/// </summary>
/// <param name="services"> Service collection </param>
/// <param name="resourceFactory"> Shared resource factory function </param>
/// <param name="strategy"> Conveyor machines reuse strategy <seealso cref="ReuseStrategy" /></param>
/// <param name="maxResourceInstances"> Max allowed shared resource instances count </param>
/// <param name="maxPriority"> Max allowed operation priority </param>
/// <param name="maxAttempts"> Max allowed retry on fail attempts </param>
/// <typeparam name="TResource"> Shared resource type </typeparam>
/// <exception cref="ArgumentNullException"> Thrown if <paramref name="resourceFactory" /> is NULL </exception>
/// <exception cref="InvalidEnumArgumentException"> Thrown if <paramref name="strategy" /> has incorrect value </exception>
public static IPriorityAccessQueue <TResource> CreatePriorityAccessQueue <TResource>(this IServiceCollection services,
Func <IServiceProvider, TResource> resourceFactory, ReuseStrategy strategy, int maxResourceInstances = 1, int maxPriority = 100,
int maxAttempts = int.MaxValue)
where TResource : notnull
{
if (resourceFactory == null)
{
throw new ArgumentNullException(nameof(resourceFactory));
}
if (strategy != ReuseStrategy.Static && strategy != ReuseStrategy.Reuse && strategy != ReuseStrategy.OneTime)
{
throw new InvalidEnumArgumentException(nameof(strategy), (int)strategy, typeof(ReuseStrategy));
}
var manager = new PriorityAccessQueueManager <TResource>(maxPriority, maxAttempts);
services.AddHostedService(provider => new TaskWorker <TResource, int>(provider,
manager,
ProcessorFactory.CreateProcessor <TResource, int>(resourceFactory, strategy, provider, maxResourceInstances)));
return(manager);
}