/// <summary>
/// Constructor for a readonly entity set. <br />
/// Calls to Add, Delete, Attach, AttachAsModified, and Detach will throw exceptions.
/// </summary>
public EntitySet(IDataContext dataContext, InternalEntitySet <TEntity> entitySet, DataContext.AttachDelegate <TEntity> attachDelegate, DataContext.DetachDelegate <TEntity> detachDelegate, DataContext.QueryDelegate <TEntity> queryDelegate)
{
this._dataContext = dataContext;
this._internalEntitySet = entitySet;
this._attachDelegate = attachDelegate;
this._detachDelegate = detachDelegate;
this._queryDelegate = queryDelegate;
}
protected InternalEntitySet <TEntity> CreateAndRegisterInternalEntitySet <TEntity>() where TEntity : Entity
{
var entitySet = new InternalEntitySet <TEntity>();
_entitySets.Add(entitySet);
entitySet.PropertyChanged += (s, e) =>
{
switch (e.PropertyName)
{
case "HasChanges":
if (SuppressHasChanges)
{
return;
}
OnPropertyChanged("HasChanges");
break;
}
};
return(entitySet);
}
protected virtual IEntitySet <TEntity> CreateEntitySet <TEntity>(InternalEntitySet <TEntity> entitySet, AttachDelegate <TEntity> attachDelegate, DetachDelegate <TEntity> detachDelegate, QueryDelegate <TEntity> queryDelegate) where TEntity : Entity
{
return(new EntitySet <TEntity>(this, entitySet, attachDelegate, detachDelegate, queryDelegate));
}