Line data    Source code

       1             : using System;
       2             : using System.Reflection;
       3             : using cdmdotnet.Logging;
       4             : using Cqrs.Configuration;
       5             : using Cqrs.Domain.Exceptions;
       6             : 
       7             : namespace Cqrs.Domain.Factories
       8             : {
       9             :         public class AggregateFactory : IAggregateFactory
      10           0 :         {
      11             :                 protected IDependencyResolver DependencyResolver { get; private set; }
      12             : 
      13             :                 protected ILogger Logger { get; private set; }
      14             : 
      15           0 :                 public AggregateFactory(IDependencyResolver dependencyResolver, ILogger logger)
      16             :                 {
      17             :                         DependencyResolver = dependencyResolver;
      18             :                         Logger = logger;
      19             :                 }
      20             : 
      21           0 :                 public virtual TAggregate Create<TAggregate>(Guid? rsn = null, bool tryDependencyResolutionFirst = true)
      22             :                 {
      23             :                         return (TAggregate)Create(typeof (TAggregate), rsn);
      24             :                 }
      25             : 
      26           0 :                 public object Create(Type aggregateType, Guid? rsn = null, bool tryDependencyResolutionFirst = true)
      27             :                 {
      28             :                         if (tryDependencyResolutionFirst)
      29             :                         { 
      30             :                                 try
      31             :                                 {
      32             :                                         return DependencyResolver.Resolve(aggregateType);
      33             :                                 }
      34             :                                 catch
      35             :                                 {
      36             :                                         Logger.LogDebug(string.Format("Using the dependency resolver to create an instance of the aggregate typed '{0}' failed.", aggregateType.FullName), "Cqrs.Domain.Factories.AggregateFactory.Create");
      37             :                                 }
      38             :                         }
      39             : 
      40             :                         try
      41             :                         {
      42             :                                 return Activator.CreateInstance(aggregateType, BindingFlags.NonPublic | BindingFlags.Public | BindingFlags.Instance | BindingFlags.CreateInstance, null, new object[] { DependencyResolver, Logger, rsn }, null);
      43             :                         }
      44             :                         catch (MissingMethodException exception)
      45             :                         {
      46             :                                 Logger.LogDebug(string.Format("Looking for a private constructor with a dependency resolver and logger, to create an instance of the aggregate typed '{0}' failed.", aggregateType.FullName), "Cqrs.Domain.Factories.AggregateFactory.Create", exception);
      47             :                                 try
      48             :                                 {
      49             :                                         return Activator.CreateInstance(aggregateType, BindingFlags.NonPublic | BindingFlags.Instance | BindingFlags.CreateInstance, null, new object[] { DependencyResolver, Logger }, null);
      50             :                                 }
      51             :                                 catch (MissingMethodException exception2)
      52             :                                 {
      53             :                                         Logger.LogDebug(string.Format("Looking for a private constructor with a dependency resolver and logger, to create an instance of the aggregate typed '{0}' failed.", aggregateType.FullName), "Cqrs.Domain.Factories.AggregateFactory.Create", exception2);
      54             :                                         try
      55             :                                         {
      56             :                                                 return Activator.CreateInstance(aggregateType, true);
      57             :                                         }
      58             :                                         catch (MissingMethodException)
      59             :                                         {
      60             :                                                 throw new MissingParameterLessConstructorException(aggregateType);
      61             :                                         }
      62             :                                 }
      63             :                         }
      64             :                 }
      65             :         }
      66             : }