org.mapdb

Class TxMaker

java.lang.Object

org.mapdb.TxMaker

public class TxMaker
extends java.lang.Object

Transaction factory

Author:

Jan Kotek

Field Summary

Fields

Modifier and Type	Field and Description
protected static java.lang.Object	DELETED marker for deleted records
protected Engine	engine parent engine under which modifications are stored
private boolean	strictDBGet
private boolean	txSnapshotsEnabled

Constructor Summary

Constructors

Constructor and Description
TxMaker(Engine engine)
TxMaker(Engine engine, boolean strictDBGet, boolean txSnapshotsEnabled)

Method Summary

Modifier and Type	Method and Description
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 java.lang.Object DELETED

marker for deleted records

txSnapshotsEnabled

private final boolean txSnapshotsEnabled

strictDBGet

private final boolean strictDBGet

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 -