//[DebuggerStepThrough]
public void InvokeHandler(IDomainEvent e, EntityBase entity)
{
if (eventMutatesEntityState)
{
handler.Invoke(entity, new object[] {e});
}
}
public virtual bool Equals(EntityBase other)
{
if (null != other && other.GetType() == GetType())
{
return other.Identity.Equals(Identity);
}
return false;
}
public void UpdateEventDetails(IDomainEvent e, IAggregate aggregate, EntityBase source)
{
versionProperty.SetValue(e, aggregate.GetVersion());
aggregateIdentityProperty.SetValue(e, aggregate.Identity.GetId());
if (entityIdentityProperty != null)
{
entityIdentityProperty.SetValue(e, source.Identity.GetId());
}
}
public bool EventIsOwnedByEntity(IDomainEvent e, EntityBase entity)
{
if (entity.GetType() != entityType)
return false;
if (e.GetType() != eventType)
return false;
if (entityIdentityProperty == null)
{
object identity = aggregateIdentityProperty.GetValue(e);
return entity.Identity.Equals(identity);
}
else
{
object identity = entityIdentityProperty.GetValue(e);
return entity.Identity.Equals(identity);
}
}
public static IReadOnlyCollection<EventHandlerProperties> ScanEntity(EntityBase entityBase)
{
var entityType = entityBase.GetType();
try
{
readerWriterLock.EnterReadLock();
if (eventHandlers.ContainsKey(entityType))
{
return eventHandlers[entityType];
}
}
finally
{
readerWriterLock.ExitReadLock();
}
ScanTypeForHandlers(entityType);
return eventHandlers[entityType];
}
public EventHandlerNotFoundException(EntityBase entity, IAggregateEvent @event)
: base(GetErrorMessage(entity, @event))
{
}
private static string GetErrorMessage(EntityBase entity, IAggregateEvent @event)
{
return String.Format("Unable to locate an event handler for {0} on {1}", @event.GetType().FullName, entity.GetType().FullName);
}
protected internal abstract void SaveEvent(IAggregateEvent @event, EntityBase source);
private static string GetErrorMessage(EntityBase entity, IDomainEvent @event)
{
return String.Format("An error occured while invoking event handler {0} on {1}", @event.GetType().FullName, entity.GetType().FullName);
}
public EventHandlerInvocationException(EntityBase entity, IDomainEvent @event, TargetInvocationException ex)
: base(GetErrorMessage(entity, @event), ex.InnerException ?? ex)
{
}
protected internal abstract void SaveEvent(IDomainEvent @event, EntityBase source);
