Exemple #1
0
 public override IQueryFilter GetUniqueFilter()
 {
     if (UniqueFilterProvider != null)
     {
         return(UniqueFilterProvider());
     }
     else
     {
         var colFilter = new ProcessDescriptorColumns();
         return(colFilter.KeyColumn == IdValue);
     }
 }
Exemple #2
0
        public static long Count(WhereDelegate <ProcessDescriptorColumns> where, Database database = null)
        {
            ProcessDescriptorColumns c      = new ProcessDescriptorColumns();
            IQueryFilter             filter = where (c);

            Database db    = database ?? Db.For <ProcessDescriptor>();
            QuerySet query = GetQuerySet(db);

            query.Count <ProcessDescriptor>();
            query.Where(filter);
            query.Execute(db);
            return(query.Results.As <CountResult>(0).Value);
        }
Exemple #3
0
        public static ProcessDescriptor GetOneWhere(WhereDelegate <ProcessDescriptorColumns> where, Database database = null)
        {
            var result = OneWhere(where, database);

            if (result == null)
            {
                ProcessDescriptorColumns c      = new ProcessDescriptorColumns();
                IQueryFilter             filter = where (c);
                result = CreateFromFilter(filter, database);
            }

            return(result);
        }
Exemple #4
0
 public static async Task BatchQuery(int batchSize, WhereDelegate <ProcessDescriptorColumns> where, Action <IEnumerable <ProcessDescriptor> > batchProcessor, Database database = null)
 {
     await Task.Run(async() =>
     {
         ProcessDescriptorColumns columns = new ProcessDescriptorColumns();
         var orderBy = Bam.Net.Data.Order.By <ProcessDescriptorColumns>(c => c.KeyColumn, Bam.Net.Data.SortOrder.Ascending);
         var results = Top(batchSize, where, orderBy, database);
         while (results.Count > 0)
         {
             await Task.Run(() =>
             {
                 batchProcessor(results);
             });
             long topId = results.Select(d => d.Property <long>(columns.KeyColumn.ToString())).ToArray().Largest();
             results    = Top(batchSize, (ProcessDescriptorColumns) where (columns) && columns.KeyColumn > topId, orderBy, database);
         }
     });
 }
Exemple #5
0
        public static ProcessDescriptorCollection Top(int count, WhereDelegate <ProcessDescriptorColumns> where, OrderBy <ProcessDescriptorColumns> orderBy, Database database = null)
        {
            ProcessDescriptorColumns c      = new ProcessDescriptorColumns();
            IQueryFilter             filter = where (c);

            Database db    = database ?? Db.For <ProcessDescriptor>();
            QuerySet query = GetQuerySet(db);

            query.Top <ProcessDescriptor>(count);
            query.Where(filter);

            if (orderBy != null)
            {
                query.OrderBy <ProcessDescriptorColumns>(orderBy);
            }

            query.Execute(db);
            var results = query.Results.As <ProcessDescriptorCollection>(0);

            results.Database = db;
            return(results);
        }