C# (CSharp) Castle.ActiveRecord ActiveRecordHooksBase.IsUnsaved примеры использования

IsUnsaved() защищенный Метод

Called when a transient entity is passed to SaveOrUpdate.

The return value determines if the object is saved true - the entity is passed to Save(), resulting in an INSERT false - the entity is passed to Update(), resulting in an UPDATE null - Hibernate uses the unsaved-value mapping to determine if the object is unsaved

protected IsUnsaved ( ) : object
Результат	object

Пример #1

        /// <summary>
        /// Called when a transient entity is passed to <c>SaveOrUpdate</c>.
        /// </summary>
        /// <remarks>
        ///	The return value determines if the object is saved
        ///	<list>
        ///		<item><see langword="true" /> - the entity is passed to <c>Save()</c>, resulting in an <c>INSERT</c></item>
        ///		<item><see langword="false" /> - the entity is passed to <c>Update()</c>, resulting in an <c>UPDATE</c></item>
        ///		<item><see langword="null" /> - Hibernate uses the <c>unsaved-value</c> mapping to determine if the object is unsaved</item>
        ///	</list>
        /// </remarks>
        /// <param name="entity">A transient entity</param>
        /// <returns>Boolean or <see langword="null" /> to choose default behaviour</returns>
        public override bool?IsTransient(object entity)
        {
            ActiveRecordHooksBase hookTarget = entity as ActiveRecordHooksBase;

            if (hookTarget != null)
            {
                return(hookTarget.IsUnsaved());
            }

            return(null);
        }