question: public static _Fields findByThriftId ( int fieldId ) { switch ( fieldId ) { case 1 : return TRACE_ID ; case 3 : return NAME ; case 4 : return ID ; case 5 : return PARENT_ID ; case 6 : return ANNOTATIONS ; case 8 : return BINARY_ANNOTATIONS ; case 9 : return DEBUG ; default : return null ; } }
target:  Find the _Fields constant that matches fieldId, or null if its not found.