Using tJavaRow to display row information

Although tLogRow is flexible and very useful, it does have some limitations, in that it only prints what is defined in a schema. tJavaRow doesn't have the same limitations. This recipe will show you how it can be utilized.

Getting ready

Open the jo_cook_ch10_0060_tJavaRow job.

How to do it...

The steps for using tJavaRow to display row information are as follows:

1. Run the job. You will see data in the console output sorted by customer key.

2. Remove the tLogRow component, and add a tJavaRow component in its place.

3. Open the tJavaRow component and add the following code:

   //Test for change of key and print heading lines if key has changed
   if (Numeric.sequence(input_row.name, 1, 1) == 1){
       System.out.println("\n\n******************** Records for customer name: "+input_row.name+" ***********************");
       System.out.printf("%-20s %-20s %-30s %-3s \n","name","DOB","timestamp","age");
   }    
   
   // print formatted output fields
   System.out.printf("%-20s %-20s %...