/// <summary>
/// Initialises a new instance of the DbHierarchicalObject class
/// </summary>
/// <param name="parent">Parent object</param>
protected DbHierarchicalObject(DbHierarchicalObject <T> parent)
: base()
{
this.parent = parent;
this.child = null;
Saved += DbHierarchicalObject_Saved;
Deleted += DbHierarchicalObject_Deleted;
}
private void DbHierarchicalObject_Deleted(object sender, DbObjectDeletedEventArgs <T> e)
{
DbHierarchicalObject <T> currentChild = this.child;
while (currentChild != null)
{
currentChild.IsInDatabase = false;
currentChild.ResetProperties();
currentChild = currentChild.child;
}
}
/// <summary> /// Gets the child object that belongs to the specified parent /// </summary> /// <param name="conn">Open connection to the database</param> /// <param name="parent">Parent of the desired child</param> /// <returns>Child object that belongs to the specified parent</returns> internal abstract DbHierarchicalObject <T> GetChildByParent(DbConnection conn, DbHierarchicalObject <T> parent);
