/// <summary>
/// Checks to see if the <see cref="PersistentCollection"/> has had any changes to the
/// collections contents or if any of the elements in the collection have been modified.
/// </summary>
/// <param name="coll"></param>
/// <returns><c>true</c> if the <see cref="PersistentCollection"/> is dirty.</returns>
/// <remarks>
/// default behavior; will be overridden in deep lazy collections
/// </remarks>
private bool IsDirty( PersistentCollection coll )
{
// if this has already been marked as dirty or the collection can not
// be directly accessed (ie- we can guarantee that the NHibernate collection
// wrappers are used) and the elements in the collection are not mutable
// then return the dirty flag.
if( dirty || (
!coll.IsDirectlyAccessible && !loadedPersister.ElementType.IsMutable
) )
{
return dirty;
}
else
{
// need to have the coll determine if it is the same as the snapshot
// that was last taken.
return !coll.EqualsSnapshot( loadedPersister.ElementType );
}
}