Method FilterKey

FilterKey(Object)

Map will be executed on specified key if true is returned.

Declaration
bool FilterKey(object key)
Parameters
Type Name Description
System.Object key

Key for filtering
Returns
Type Description
System.Boolean

Returns if map has to be applied or not.
Examples

Following example illustrate the usage of FilterKey.

public class MapReduceKeyFilter : IKeyFilter
{
 public bool FilterKey(object key)
  {
   try
   {
       if (key.ToString().Contains("hungry"))
       {
           return true;
       }

   }
   catch (Exception exp)
   {
       //handle exception
   }
   return false;
  }
}