/// <summary> Gets a scalar value, calculated with the aggregate and expression specified. the field index specified is the field the expression and aggregate are applied on.</summary>
        /// <param name="fieldIndex">Field index of field to which to apply the aggregate function and expression</param>
        /// <param name="expressionToExecute">The expression to execute. Can be null</param>
        /// <param name="aggregateToApply">Aggregate function to apply. </param>
        /// <param name="filter">The filter to apply to retrieve the scalar</param>
        /// <param name="relations">The relations to walk</param>
        /// <param name="groupByClause">The groupby clause to apply to retrieve the scalar</param>
        /// <returns>the scalar value requested</returns>
        public virtual object GetScalar(SalesOrderDetailFieldIndex fieldIndex, IExpression expressionToExecute, AggregateFunction aggregateToApply, IPredicate filter, IRelationCollection relations, IGroupByCollection groupByClause)
        {
            EntityFields fields = new EntityFields(1);

            fields[0] = EntityFieldFactory.Create(fieldIndex);
            if ((fields[0].ExpressionToApply == null) || (expressionToExecute != null))
            {
                fields[0].ExpressionToApply = expressionToExecute;
            }
            if ((fields[0].AggregateFunctionToApply == AggregateFunction.None) || (aggregateToApply != AggregateFunction.None))
            {
                fields[0].AggregateFunctionToApply = aggregateToApply;
            }
            SalesOrderDetailDAO dao = DAOFactory.CreateSalesOrderDetailDAO();

            return(dao.GetScalar(fields, base.Transaction, filter, relations, groupByClause));
        }
        /// <summary> Retrieves in this SalesOrderDetailCollection object all SalesOrderDetailEntity objects which have data in common with the specified related Entities.
        /// If one is omitted, that entity is not used as a filter. All current elements in the collection are removed from the collection.</summary>
        /// <param name="salesOrderHeaderInstance">SalesOrderHeaderEntity instance to use as a filter for the SalesOrderDetailEntity objects to return</param>
        /// <param name="specialOfferProductInstance">SpecialOfferProductEntity instance to use as a filter for the SalesOrderDetailEntity objects to return</param>
        /// <param name="maxNumberOfItemsToReturn"> The maximum number of items to return with this retrieval query.</param>
        /// <param name="sortClauses">The order by specifications for the sorting of the resultset. When not specified, no sorting is applied.</param>
        /// <param name="filter">Extra filter to limit the resultset. Predicate expression can be null, in which case it will be ignored.</param>
        /// <param name="pageNumber">The page number to retrieve.</param>
        /// <param name="pageSize">The page size of the page to retrieve.</param>
        /// <returns>true if succeeded, false otherwise</returns>
        public virtual bool GetMultiManyToOne(IEntity salesOrderHeaderInstance, IEntity specialOfferProductInstance, long maxNumberOfItemsToReturn, ISortExpression sortClauses, IPredicateExpression filter, int pageNumber, int pageSize)
        {
            bool validParameters = false;

            validParameters |= (salesOrderHeaderInstance != null);
            validParameters |= (specialOfferProductInstance != null);
            if (!validParameters)
            {
                return(GetMulti(filter, maxNumberOfItemsToReturn, sortClauses, null, pageNumber, pageSize));
            }
            if (!base.SuppressClearInGetMulti)
            {
                this.Clear();
            }
            SalesOrderDetailDAO dao = DAOFactory.CreateSalesOrderDetailDAO();

            return(dao.GetMulti(base.Transaction, this, maxNumberOfItemsToReturn, sortClauses, base.EntityFactoryToUse, filter, salesOrderHeaderInstance, specialOfferProductInstance, pageNumber, pageSize));
        }
        /// <summary> Retrieves Entity rows in a datatable which match the specified filter. It will always create a new connection to the database.</summary>
        /// <param name="selectFilter">A predicate or predicate expression which should be used as filter for the entities to retrieve.</param>
        /// <param name="maxNumberOfItemsToReturn"> The maximum number of items to return with this retrieval query.</param>
        /// <param name="sortClauses">The order by specifications for the sorting of the resultset. When not specified, no sorting is applied.</param>
        /// <param name="relations">The set of relations to walk to construct to total query.</param>
        /// <param name="pageNumber">The page number to retrieve.</param>
        /// <param name="pageSize">The page size of the page to retrieve.</param>
        /// <returns>DataTable with the rows requested.</returns>
        public static DataTable GetMultiAsDataTable(IPredicate selectFilter, long maxNumberOfItemsToReturn, ISortExpression sortClauses, IRelationCollection relations, int pageNumber, int pageSize)
        {
            SalesOrderDetailDAO dao = DAOFactory.CreateSalesOrderDetailDAO();

            return(dao.GetMultiAsDataTable(maxNumberOfItemsToReturn, sortClauses, selectFilter, relations, pageNumber, pageSize));
        }
        /// <summary> Updates in the persistent storage all SalesOrderDetail entities which have data in common with the specified related Entities. If one is omitted, that entity is not used as a filter.
        /// Which fields are updated in those matching entities depends on which fields are <i>changed</i> in the passed in entity entityWithNewValues. The new values of these fields are read from entityWithNewValues. </summary>
        /// <param name="entityWithNewValues">SalesOrderDetailEntity instance which holds the new values for the matching entities to update. Only changed fields are taken into account</param>
        /// <param name="salesOrderHeaderInstance">SalesOrderHeaderEntity instance to use as a filter for the SalesOrderDetailEntity objects to return</param>
        /// <param name="specialOfferProductInstance">SpecialOfferProductEntity instance to use as a filter for the SalesOrderDetailEntity objects to return</param>
        /// <returns>Amount of entities affected, if the used persistent storage has rowcounting enabled.</returns>
        public int UpdateMultiManyToOne(SalesOrderDetailEntity entityWithNewValues, IEntity salesOrderHeaderInstance, IEntity specialOfferProductInstance)
        {
            SalesOrderDetailDAO dao = DAOFactory.CreateSalesOrderDetailDAO();

            return(dao.UpdateMulti(entityWithNewValues, base.Transaction, salesOrderHeaderInstance, specialOfferProductInstance));
        }
        /// <summary> Deletes from the persistent storage all SalesOrderDetail entities which have data in common with the specified related Entities. If one is omitted, that entity is not used as a filter.</summary>
        /// <remarks>Runs directly on the persistent storage. It will not delete entity objects from the current collection.</remarks>
        /// <param name="salesOrderHeaderInstance">SalesOrderHeaderEntity instance to use as a filter for the SalesOrderDetailEntity objects to return</param>
        /// <param name="specialOfferProductInstance">SpecialOfferProductEntity instance to use as a filter for the SalesOrderDetailEntity objects to return</param>
        /// <returns>Amount of entities affected, if the used persistent storage has rowcounting enabled.</returns>
        public int DeleteMultiManyToOne(IEntity salesOrderHeaderInstance, IEntity specialOfferProductInstance)
        {
            SalesOrderDetailDAO dao = DAOFactory.CreateSalesOrderDetailDAO();

            return(dao.DeleteMulti(base.Transaction, salesOrderHeaderInstance, specialOfferProductInstance));
        }