public static Collections.VirtualList <TEntity> ToVirtualResultLazy <TEntity>(this Colosoft.Query.Queryable queryable, int pageSize = 0, string countExpression = null, string uiContext = null, Colosoft.Query.IQueryResultBindStrategy bindStrategy = null, Colosoft.Query.IQueryResultObjectCreator objectCreator = null) where TEntity : class
        {
            queryable.Require("queryable").NotNull();
            Collections.VirtualListLoader <TEntity>           virtualListLoader = null;
            Colosoft.Query.QueryableExecuterHandler <TEntity> executeSelect     = null;
            if (bindStrategy == null && objectCreator == null)
            {
                var ts = Colosoft.Query.TypeBindStrategyCache.GetItem(typeof(TEntity), t => new Colosoft.Query.QueryResultObjectCreator(t));
                objectCreator = ts;
                bindStrategy  = ts;
            }
            if (bindStrategy == null)
            {
                bindStrategy = new Colosoft.Query.TypeBindStrategy(typeof(TEntity), objectCreator);
            }
            var queryable2 = (Colosoft.Query.Queryable)queryable.Clone();

            if (typeof(Colosoft.Business.IEntity).IsAssignableFrom(typeof(TEntity)))
            {
                virtualListLoader = Colosoft.Business.EntityManager.Instance.GetEntityVirtualListLoader <TEntity>(queryable2, countExpression, true, uiContext, null);
                executeSelect     = (queryable3, dataSource, bindStrategy1, objectCreator1) => queryable3.ExecuteSelectProcessLazyResult <TEntity>(uiContext, null, bindStrategy1, objectCreator1);
            }
            else
            {
                virtualListLoader = new Colosoft.Business.QueryableVirtualListLoader <TEntity>(queryable2, countExpression, bindStrategy, objectCreator, null);
            }
            return(new Business.QueryableVirtualList <TEntity>(queryable2, pageSize, virtualListLoader, executeSelect, null, bindStrategy, objectCreator));
        }
        public static Collections.VirtualList <TEntity> ToVirtualResultLazy <TEntity>(this Colosoft.Query.Queryable queryable, int pageSize, Collections.VirtualListLoader <TEntity> listLoader, Colosoft.Query.IQueryResultBindStrategy bindStrategy = null, Colosoft.Query.IQueryResultObjectCreator objectCreator = null) where TEntity : class
        {
            queryable.Require("queryable").NotNull();
            var queryable2 = (Colosoft.Query.Queryable)queryable.Clone();

            Colosoft.Query.QueryableExecuterHandler <TEntity> executeSelect = null;
            if (typeof(Colosoft.Business.IEntity).IsAssignableFrom(typeof(TEntity)))
            {
                executeSelect = (queryable3, dataSource, bindStragety1, objectCreator1) => queryable3.ExecuteSelectProcessLazyResult <TEntity>(null, null, bindStragety1, objectCreator1);
            }
            return(new Business.QueryableVirtualList <TEntity>(queryable2, pageSize, listLoader, executeSelect, null, bindStrategy, objectCreator));
        }
Ejemplo n.º 3
0
 /// <summary>
 /// Construtor padrão.
 /// </summary>
 /// <param name="queryable">Consulta associada.</param>
 /// <param name="pageSize"></param>
 /// <param name="loader"></param>
 /// <param name="executeSelect">Referencia do método que será usado para executar a seleção dos dados.</param>
 /// <param name="referenceObject"></param>
 /// <param name="bindStrategy"></param>
 /// <param name="objectCreator"></param>
 public QueryableVirtualList(Colosoft.Query.Queryable queryable, int pageSize, VirtualListLoader <T> loader, Colosoft.Query.QueryableExecuterHandler <T> executeSelect, object referenceObject, Colosoft.Query.IQueryResultBindStrategy bindStrategy, Colosoft.Query.IQueryResultObjectCreator objectCreator) : base(pageSize, loader, referenceObject)
 {
     _queryable     = queryable;
     _executeSelect = executeSelect;
     _bindStrategy  = bindStrategy;
     _objectCreator = objectCreator;
     if (_bindStrategy == null && _objectCreator == null)
     {
         var ts = Colosoft.Query.TypeBindStrategyCache.GetItem(typeof(T), t => new Colosoft.Query.QueryResultObjectCreator(t));
         _objectCreator = ts;
         _bindStrategy  = ts;
     }
     if (_bindStrategy == null)
     {
         _bindStrategy = new Colosoft.Query.TypeBindStrategy(typeof(T), objectCreator);
     }
 }