org.apache.directory.mavibot.btree

Interface TransactionManager<K,V>

All Known Implementing Classes:

AbstractTransactionManager, InMemoryTransactionManager, RecordManager

public interface TransactionManager<K,V>

An interface used to manage the transactions mechanism in B-trees. Transactions are cross B-trees.

Method Summary

Modifier and Type	Method and Description
void	beginTransaction() Starts a transaction
void	commit() Commits a transaction
BTreeHeader<K,V>	getBTreeHeader(java.lang.String btreeName) Gets the current BtreeHeader for a given BTree.
void	rollback() Rollback a transaction
void	updateNewBTreeHeaders(BTreeHeader<K,V> btreeHeader) Updates the map of new BTreeHeaders

Method Detail

beginTransaction

void beginTransaction()

Starts a transaction

commit

void commit()

Commits a transaction

rollback

void rollback()

Rollback a transaction

getBTreeHeader

BTreeHeader<K,V> getBTreeHeader(java.lang.String btreeName)

Gets the current BtreeHeader for a given BTree.

Parameters:

btreeName - The Btree name we are looking the BtreeHeader for

Returns:

the current BTreeHeader

updateNewBTreeHeaders

void updateNewBTreeHeaders(BTreeHeader<K,V> btreeHeader)

Updates the map of new BTreeHeaders

Parameters:

btreeHeader - The new BtreeHeader