public static void RegisterSagaStateMachines(this ISagaStateMachineRegistrar registrar, params Assembly[] assemblies)
{
if (assemblies.Length == 0)
{
assemblies = AppDomain.CurrentDomain.GetAssemblies();
}
var types = AssemblyTypeCache.FindTypes(assemblies, x => x.HasInterface(typeof(SagaStateMachine <>))).GetAwaiter().GetResult();
registrar.RegisterSagaStateMachines(types.FindTypes(TypeClassification.Concrete).ToArray());
}
public static void RegisterSagaStateMachines(this ISagaStateMachineRegistrar registrar, params Type[] types)
{
foreach (var type in types)
{
if (!type.HasInterface(typeof(SagaStateMachine <>)))
{
throw new ArgumentException($"The type is not a saga state machine: {TypeMetadataCache.GetShortName(type)}", nameof(types));
}
SagaStateMachineRegistrationCache.Register(type, registrar);
}
}
/// <summary>
/// Adds all sagas in the specified assemblies matching the namespace. If you are using both state machine and regular sagas, be
/// sure to call AddSagaStateMachinesFromNamespaceContaining prior to calling this one.
/// </summary>
/// <param name="configurator"></param>
/// <param name="registrar"></param>
/// <param name="type">The type to use to identify the assembly and namespace to scan</param>
/// <param name="filter"></param>
public static void AddSagaStateMachinesFromNamespaceContaining(this IRegistrationConfigurator configurator, ISagaStateMachineRegistrar registrar,
Type type, Func <Type, bool> filter)
{
if (type == null)
{
throw new ArgumentNullException(nameof(type));
}
if (type.Assembly == null || type.Namespace == null)
{
throw new ArgumentException($"The type {TypeMetadataCache.GetShortName(type)} is not in an assembly with a valid namespace", nameof(type));
}
IEnumerable <Type> types;
if (filter != null)
{
bool IsAllowed(Type candidate)
{
return(IsSagaStateMachineOrDefinition(candidate) && filter(candidate));
}
types = FindTypesInNamespace(type, IsAllowed);
}
else
{
types = FindTypesInNamespace(type, IsSagaStateMachineOrDefinition);
}
AddSagaStateMachines(configurator, registrar, types.ToArray());
}
/// <summary>
/// Adds SagaStateMachines to the registry, using the factory method, and updates the registrar prior to registering so that the default
/// saga registrar isn't notified.
/// </summary>
/// <param name="configurator"></param>
/// <param name="registrar"></param>
/// <param name="assemblies">The assemblies to scan for state machines</param>
public static void AddSagaStateMachines(this IRegistrationConfigurator configurator, ISagaStateMachineRegistrar registrar, params Assembly[] assemblies)
{
if (assemblies.Length == 0)
{
assemblies = AppDomain.CurrentDomain.GetAssemblies();
}
var types = AssemblyTypeCache.FindTypes(assemblies, IsSagaStateMachineOrDefinition).GetAwaiter().GetResult();
configurator.AddSagaStateMachines(registrar, types.FindTypes(TypeClassification.Concrete).ToArray());
}
/// <summary>
/// Adds a SagaStateMachine to the registry, using the factory method, and updates the registrar prior to registering so that the default
/// saga registrar isn't notified.
/// </summary>
/// <param name="configurator"></param>
/// <param name="registrar"></param>
/// <param name="sagaDefinitionType"></param>
/// <typeparam name="TStateMachine"></typeparam>
/// <typeparam name="TInstance"></typeparam>
public static ISagaRegistrationConfigurator <TInstance> AddSagaStateMachine <TStateMachine, TInstance>(this IRegistrationConfigurator configurator,
ISagaStateMachineRegistrar registrar, Type sagaDefinitionType = null)
where TStateMachine : class, SagaStateMachine <TInstance>
where TInstance : class, SagaStateMachineInstance
{
ISagaRegistration Factory(IContainerRegistrar containerRegistrar)
{
SagaStateMachineRegistrationCache.Register(typeof(TStateMachine), registrar);
if (sagaDefinitionType != null)
{
SagaDefinitionRegistrationCache.Register(sagaDefinitionType, containerRegistrar);
}
return(new SagaStateMachineRegistration <TInstance>());
}
return(configurator.AddSaga <TInstance>(Factory));
}
/// <summary>
/// Adds SagaStateMachines to the registry, using the factory method, and updates the registrar prior to registering so that the default
/// saga registrar isn't notified.
/// </summary>
/// <param name="configurator"></param>
/// <param name="registrar"></param>
/// <param name="types">The state machine types to add</param>
public static void AddSagaStateMachines(this IRegistrationConfigurator configurator, ISagaStateMachineRegistrar registrar, params Type[] types)
{
IEnumerable <Type> sagaTypes = types.Where(x => x.HasInterface(typeof(SagaStateMachine <>)));
IEnumerable <Type> sagaDefinitionTypes = types.Where(x => x.HasInterface(typeof(ISagaDefinition <>)));
var sagas = from c in sagaTypes
join d in sagaDefinitionTypes on c.GetClosingArguments(typeof(SagaStateMachine <>)).Single()
equals d.GetClosingArguments(typeof(ISagaDefinition <>)).Single() into dc
from d in dc.DefaultIfEmpty()
select new { SagaType = c, DefinitionType = d };
foreach (var saga in sagas)
{
SagaStateMachineRegistrationCache.AddSagaStateMachine(configurator, saga.SagaType, saga.DefinitionType, registrar);
}
}
/// <summary>
/// Adds all sagas in the specified assemblies matching the namespace. If you are using both state machine and regular sagas, be
/// sure to call AddSagaStateMachinesFromNamespaceContaining prior to calling this one.
/// </summary>
/// <param name="configurator"></param>
/// <param name="registrar"></param>
/// <param name="type">The type to use to identify the assembly and namespace to scan</param>
public static void AddSagaStateMachinesFromNamespaceContaining(this IRegistrationConfigurator configurator, ISagaStateMachineRegistrar registrar,
Type type)
{
if (type == null)
{
throw new ArgumentNullException(nameof(type));
}
if (type.Assembly == null || type.Namespace == null)
{
throw new ArgumentException($"The type {TypeMetadataCache.GetShortName(type)} is not in an assembly with a valid namespace", nameof(type));
}
IEnumerable <Type> types = FindTypesInNamespace(type, IsSagaStateMachineOrDefinition);
AddSagaStateMachines(configurator, registrar, types.ToArray());
}
public static void AddSagaStateMachine(IRegistrationConfigurator configurator, Type stateMachineType, Type sagaDefinitionType = null,
ISagaStateMachineRegistrar registrar = null)
{
GetOrAdd(stateMachineType).AddSaga(configurator, sagaDefinitionType, registrar ?? new NullSagaStateMachineRegistrar());
}
public static void Register(Type stateMachineType, ISagaStateMachineRegistrar registrar)
{
GetOrAdd(stateMachineType).Register(registrar);
}
