@Override
        public boolean hasNext() {
            return inputIterator.hasNext();
        }
This implementation stores record batch in array from recyclable pool

Copy from iceberg-flink:iceberg-flink-1.15:1.3.1
inlong-sort/sort-flink/sort-flink-v1.15/sort-connectors/iceberg/src/main/java/org/apache/inlong/sort/iceberg/source/reader/ArrayPoolDataIteratorBatcher.java