Method FilterKey

FilterKey(Object)

Implement the interface IKeyFilter to provide implementation for the FilterKey() method. Providing this interface is optional.

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;
  }
}