# Package org.apache.cassandra.db.transform

Interface Summary
MorePartitions<I extends BasePartitionIterator<?>>: An interface for providing new partitions for a partitions iterator.
MoreRows<I extends BaseRowIterator<?>>: An interface for providing new row contents for a partition.

Class Summary
BasePartitions<R extends BaseRowIterator<?>,I extends BasePartitionIterator<? extends BaseRowIterator<?>>>
BaseRows<R extends Unfiltered,I extends BaseRowIterator<? extends Unfiltered>>
EmptyPartitionsDiscarder
Filter
FilteredPartitions
FilteredRows
StoppingTransformation<I extends BaseRowIterator<?>>
Transformation<I extends BaseRowIterator<?>>: We have a single common superclass for all Transformations to make implementation efficient.