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  1. using System;
  2. using System.Collections.Generic;
  3. using System.Linq;
  4. using System.Threading.Tasks;
  5.  
  6. public class Test
  7. {
  8.     public class SAPItem
  9.     {
  10.         public string AddressLine1 { set; get; }
  11.         public string FiveDigitZip { set; get; }
  12.         public double? Latitude { set; get; }
  13.         public double? Longitude { set; get; }
  14.         public string MDM_Latitude { set; get; }
  15.         public string MDM_Longitude { set; get; }
  16.     }
  17.  
  18.     public class MapPoint
  19.     {
  20.         public double Latitude { set; get; }
  21.         public double Longitude { set; get; }
  22.     }
  23.  
  24.     static List<SAPItem> SAPItems = new List<SAPItem>
  25.     {
  26.         new SAPItem
  27.         {
  28.             AddressLine1 = "Address 1",
  29.             FiveDigitZip = "12345"
  30.         },
  31.  
  32.         new SAPItem
  33.         {
  34.             AddressLine1 = "Address 2",
  35.             FiveDigitZip = "67890"
  36.         }
  37.     };
  38.  
  39.     public static void Main(string[] args)
  40.     {
  41.         PullInfo();
  42.     }
  43.  
  44.     public static void PullInfo()
  45.     {
  46.         // Create tasks to update items with latitude and longitude
  47.         var tasks
  48.             = SAPItems.Where(item => item.Latitude == null || item.Longitude == null)
  49.                 .Select(item =>
  50.                     GetMapPoint(item.AddressLine1 + " " + item.FiveDigitZip)
  51.                         .ContinueWith(pointTask => {
  52.                             item.MDM_Latitude = pointTask.Result.Latitude.ToString();
  53.                             item.MDM_Longitude = pointTask.Result.Longitude.ToString();
  54.                         }));
  55.  
  56.         // Wait for tasks completion (it will block the current thread)
  57.         Task.WaitAll(tasks.ToArray());
  58.  
  59.         // Iterate to append Lat and Long
  60.         foreach (var item in SAPItems)
  61.             Console.WriteLine(item.MDM_Latitude + " " + item.MDM_Longitude);
  62.     }
  63.  
  64.     private static Task<MapPoint> GetMapPoint(string add)
  65.     {
  66.         return Task.FromResult(new MapPoint { Latitude = 1, Longitude = 1 });
  67.     }
  68. }
Success #stdin #stdout 0.03s 265920KB
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https://ideone.com/0uXGlG
language:
C# (gmcs 5.20.1)
created:
7 years ago
visibility:
public

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