Handling queue through UDF

Question

I have input as
A1
A2
A2
A3
context change
A1
A1
context change
A1
A5
I have to pick unique values from all context keeping them in same format...
Output Required
A1
A2
A3
context change
A1
context change
A1
A5
How it can be achieved through message mapping, is UDF required for this?
Thanks.
Shivanjali

Answer 1

What I understood from your problem is that you want to maintain the context and want to use the unique values from each context (keeping the context as it is) so for this use below UDF and let me know it works for you..
While creating UDF Select Cache : Context and give the input variable name as var1
String[] v_current = new String [var1.length];
v_current[0] = "";
for(int i = 0; i<var1.length ; i++)
      if( var1.length == 1 )
          result.addValue( var1<i> );
                      else  if( var1<i>.compareTo(v_current[0]) != 0)
          result.addValue( var1<i> );
           v_current[0] = var1<i>;