org.mapdb
Class TxMaker

java.lang.Object
  org.mapdb.TxMaker

public class TxMaker
extends Object

Transaction factory

Author:

Jan Kotek

Field Summary

protected static Object	DELETED marker for deleted records
protected Engine	engine parent engine under which modifications are stored

Constructor Summary

TxMaker(Engine engine)

TxMaker(Engine engine, boolean strictDBGet, boolean txSnapshotsEnabled)

Method Summary

void	close()
<A> A	execute(Fun.Function1<A,DB> txBlock) Executes given block withing single transaction.
void	execute(TxBlock txBlock) Executes given block withing single transaction.
DB	makeTx()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

DELETED

protected static final Object DELETED

marker for deleted records

engine

protected Engine engine

parent engine under which modifications are stored

Constructor Detail

TxMaker

public TxMaker(Engine engine)

TxMaker

public TxMaker(Engine engine,
               boolean strictDBGet,
               boolean txSnapshotsEnabled)

Method Detail

makeTx

public DB makeTx()

close

public void close()

execute

public void execute(TxBlock txBlock)

Executes given block withing single transaction. If block throws TxRollbackException execution is repeated until it does not fail.

Parameters:

txBlock -

execute

public <A> A execute(Fun.Function1<A,DB> txBlock)

Executes given block withing single transaction. If block throws TxRollbackException execution is repeated until it does not fail. This method returns result returned by txBlock.

Parameters:

txBlock -