question: private void firstTuple ( Object inputEvent ) { if ( firstTupleProcessed ) { return ; } firstTupleProcessed = true ; Class < ? > clazz = inputEvent . getClass ( ) ; getters = GPOUtils . buildGPOGetters ( fieldToGetter , schema . getValuesDescriptor ( ) , clazz ) ; }
target:  A helper method which builds the getter methods for retrieving fields from pojos.