Line data    Source code

       1             : #region Copyright
       2             : // // -----------------------------------------------------------------------
       3             : // // <copyright company="Chinchilla Software Limited">
       4             : // //   Copyright Chinchilla Software Limited. All rights reserved.
       5             : // // </copyright>
       6             : // // -----------------------------------------------------------------------
       7             : #endregion
       8             : 
       9             : using System;
      10             : using System.Linq;
      11             : using System.Reflection;
      12             : using Cqrs.Akka.Commands;
      13             : using Cqrs.Akka.Domain;
      14             : using Cqrs.Akka.Events;
      15             : using Cqrs.Akka.Snapshots;
      16             : using Cqrs.Bus;
      17             : using Cqrs.Configuration;
      18             : using Cqrs.Ninject.Configuration;
      19             : using Cqrs.Snapshots;
      20             : using Ninject.Modules;
      21             : 
      22             : namespace Cqrs.Ninject.Akka.Configuration
      23             : {
      24             :         /// <summary>
      25             :         /// A <see cref="INinjectModule"/> that wires up many of the prerequisites for running CQRS.NET with Akka.NET
      26             :         /// </summary>
      27             :         /// <typeparam name="TAuthenticationToken">The <see cref="Type"/> of the authentication token.</typeparam>
      28             :         public class AkkaModule<TAuthenticationToken> : ResolvableModule
      29           1 :         {
      30             :                 #region Overrides of NinjectModule
      31             : 
      32             :                 /// <summary>
      33             :                 /// Loads the module into the kernel.
      34             :                 /// </summary>
      35           1 :                 public override void Load()
      36             :                 {
      37             :                         Bind<IAkkaAggregateRepository<TAuthenticationToken>>().To<AkkaAggregateRepository<TAuthenticationToken>>().InSingletonScope();
      38             :                         Bind<IAkkaSagaRepository<TAuthenticationToken>>().To<AkkaSagaRepository<TAuthenticationToken>>().InSingletonScope();
      39             :                         Bind<IAkkaEventPublisher<TAuthenticationToken>>().To<AkkaEventBus<TAuthenticationToken>>().InSingletonScope();
      40             :                         Bind<IAkkaEventPublisherProxy<TAuthenticationToken>>().To<AkkaEventBusProxy<TAuthenticationToken>>().InSingletonScope();
      41             :                         Bind<IAkkaCommandPublisher<TAuthenticationToken>>().To<AkkaCommandBus<TAuthenticationToken>>().InSingletonScope();
      42             :                         Bind<IAkkaCommandPublisherProxy<TAuthenticationToken>>().To<AkkaCommandBusProxy<TAuthenticationToken>>().InSingletonScope();
      43             : 
      44             :                         Bind<IAkkaSnapshotAggregateRepository<TAuthenticationToken>>().To<AkkaSnapshotRepository<TAuthenticationToken>>().InSingletonScope();
      45             :                         Rebind<ISnapshotStrategy<TAuthenticationToken>>().To<DefaultAkkaSnapshotStrategy<TAuthenticationToken>>().InSingletonScope();
      46             : 
      47             :                         BusRegistrar.GetEventHandlerRegistrar = (messageType, handlerDelegateTargetedType) =>
      48             :                         {
      49             :                                 bool isAnActor = messageType != null && messageType.GetNestedTypes().Any(type => type.Name == "Actor");
      50             :                                 IEventHandlerRegistrar eventHandlerRegistrar = null;
      51             :                                 if (isAnActor)
      52             :                                         eventHandlerRegistrar = Resolve<IAkkaEventPublisher<TAuthenticationToken>>() as IEventHandlerRegistrar;
      53             :                                 return eventHandlerRegistrar ?? Resolve<IEventHandlerRegistrar>();
      54             :                         };
      55             : 
      56             :                         BusRegistrar.GetCommandHandlerRegistrar = (messageType, handlerDelegateTargetedType) =>
      57             :                         {
      58             :                                 bool isAnActor = handlerDelegateTargetedType != null && handlerDelegateTargetedType.GetProperty("AggregateResolver", BindingFlags.Instance | BindingFlags.GetProperty | BindingFlags.NonPublic | BindingFlags.Public) != null;
      59             :                                 ICommandHandlerRegistrar commandHandlerRegistrar = null;
      60             :                                 if (isAnActor)
      61             :                                         commandHandlerRegistrar = Resolve<IAkkaCommandPublisher<TAuthenticationToken>>() as ICommandHandlerRegistrar;
      62             :                                 return commandHandlerRegistrar ?? Resolve<ICommandHandlerRegistrar>();
      63             :                         };
      64             :                 }
      65             : 
      66             :                 #endregion
      67             :         }
      68             : }