public ProjectionEntry(AggregateRootType aggregateRootType, ProjectionType projectionType, IProjectionManager projectionManager)
            : this(aggregateRootType, projectionType, projectionManager.GetType())
        {
            Contract.Requires(aggregateRootType != null);
            Contract.Requires(projectionType != null);
            Contract.Requires(projectionManager != null);

            ProjectionManager = projectionManager;
        }