|
// Implementing custom adaptor by extending the DataAdaptor class
public class CustomAdaptor : DataAdaptor
{
// Performs data Read operation
public override object Read(DataManagerRequest dm, string key = null)
{
IEnumerable<Order> DataSource = Orders;
DataResult DataObject = new DataResult();
if (dm.Search != null && dm.Search.Count > 0)
{
// Searching
DataSource = DataOperations.PerformSearching(DataSource, dm.Search);
}
if (dm.Sorted != null && dm.Sorted.Count > 0)
{
// Sorting
DataSource = DataOperations.PerformSorting(DataSource, dm.Sorted);
}
if (dm.Where != null && dm.Where.Count > 0)
{
// Filtering
DataSource = DataOperations.PerformFiltering(DataSource, dm.Where, dm.Where[0].Operator);
}
int count = DataSource.Cast<Order>().Count();
if (dm.Skip != 0)
{
//Paging
DataSource = DataOperations.PerformSkip(DataSource, dm.Skip);
}
if (dm.Take != 0)
{
DataSource = DataOperations.PerformTake(DataSource, dm.Take);
}
. . .
return dm.RequiresCounts ? new DataResult() { Result = DataSource, Count = count } : (object)DataSource;
}
} | 
