Package ru.vyarus.guicey.jdbi3.tx

Class TransactionTemplate

java.lang.Object

ru.vyarus.guicey.jdbi3.tx.TransactionTemplate

@Singleton
public class TransactionTemplate
extends java.lang.Object

Transaction template used to both declare unit of work and start transaction. If called inside of transaction then provided action will be simply executed as transaction is already managed somewhere outside. In case of exception, it's propagated and transaction rolled back.

Usage:

    @Inject TransactionTemplate template;
     ...
     template.inTransaction(() -> doSoemStaff())
 

Since:

31.08.2018

Constructor Summary

Constructors

Constructor	Description
TransactionTemplate(UnitManager manager)

Method Summary

Modifier and Type	Method	Description
<T> T	inTransaction(TxAction<T> action)	Shortcut for inTransaction(TxConfig, TxAction) for calling action with default transaction config.
<T> T	inTransaction(TxConfig config, TxAction<T> action)	Wraps provided action with unit of work and transaction.

Methods inherited from class java.lang.Object

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

Constructor Detail

TransactionTemplate

@Inject
public TransactionTemplate(UnitManager manager)

Method Detail

inTransaction

public <T> T inTransaction(TxAction<T> action)

Shortcut for inTransaction(TxConfig, TxAction) for calling action with default transaction config.

Type Parameters:

T - return type

Parameters:

action - action to execute

Returns:

action result

inTransaction

public <T> T inTransaction(TxConfig config,
                           TxAction<T> action)

Wraps provided action with unit of work and transaction. If called under already started transaction then action will be called directly.

NOTE: If unit of work was started manually (using UnitManager, but without transaction started, then action will be simply executed without starting transaction. This was done for rare situations when logic must be performed without transaction and transaction annotation will simply indicate unit of work.

Type Parameters:

T - return type

Parameters:

config - transaction config

action - action to execute

Returns:

action result