/// <summary>
/// Asserts that the given entity can be stored in the collection.
/// </summary>
/// <param name="entity"></param>
protected void AssertEntity(object entity)
{
if (entity == null)
{
throw new ArgumentNullException("entity");
}
if (this.IsStrongCollection == true)
{
this.EntityType.AssertIsOfType(entity);
}
else
{
EntityType.AssertIsEntity(entity);
}
}