question: gets flink 's descriptor for the kafka partition . concode_field_sep KafkaTopicPartition partition concode_elem_sep KPH kafkaPartitionHandle concode_elem_sep long offset concode_elem_sep long OFFSET_NOT_SET concode_field_sep boolean isOffsetDefined concode_elem_sep int getPartition concode_elem_sep KPH getKafkaPartitionHandle concode_elem_sep void setOffset concode_elem_sep long getOffset concode_elem_sep String toString concode_elem_sep String getTopic
target: KafkaTopicPartition function ( ) { return partition ; }