# Package org.h2.mvstore.tx

Helper classes to use the MVStore in a transactional manner.

See: Description

Interface Summary
TransactionStore.RollbackListener: This listener can be registered with the transaction to be notified of every compensating change during transaction rollback.

Class Summary
Transaction: A transaction.
TransactionMap<K,V>: A map that supports transactions.
TransactionStore: A store that supports concurrent MVCC read-committed transactions.
TransactionStore.Change: A change in a map.
VersionedValueType<T,D>: The value type for a versioned value.
VersionedValueType.Factory<D>

## Package org.h2.mvstore.tx Description

Helper classes to use the MVStore in a transactional manner.