boolean function ( ) { return ! currentRows . isEmpty ( ) ; }
returns whether ` processnext ` should stop processing next row from ` input ` or not . if it returns true , the caller should exit the loop return from processnext . concode_field_sep UnsafeRow unsafeRow concode_elem_sep long startTimeNs concode_elem_sep int partitionIndex concode_elem_sep LinkedList<InternalRow> currentRows concode_field_sep InternalRow next concode_elem_sep void init concode_elem_sep void incPeakExecutionMemory concode_elem_sep boolean hasNext concode_elem_sep long durationMs concode_elem_sep void processNext concode_elem_sep void append