# Package org.apache.cassandra.db.lifecycle

Class Summary
LifecycleTransaction
LifecycleTransaction.ReaderState
SSTableIntervalTree
Tracker: Tracker tracks live `View` of data store for a table.
View: An immutable structure holding the current memtable, the memtables pending flush, the sstables for a column family, and the sstables that are active in compaction (a subset of the sstables).

Enum Summary
LifecycleTransaction.ReaderState.Action