TransactionService (SPI definition 2.0.27 API)

```
public interface TransactionService
```
Transaction related service.

Version:

$Rev$ $Date$

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`Transaction`	`getTransaction()`	Get the transaction context of the calling thread
`TransactionManager`	`getTransactionManager()`	Get `TransactionManager` instance from container.
`UserTransaction`	`getUserTransaction()`	Gets user transaction instance.
`void`	`registerTransactionSynchronization(javax.enterprise.event.TransactionPhase phase, javax.enterprise.inject.spi.ObserverMethod<? super Object> observer, Object event)`	Register transaction synch.

- Method Detail
  - getTransactionManager
```
TransactionManager getTransactionManager()
```
    Get TransactionManager instance from container.
    
    Returns:
    
    the TransactionManager or null if none is registered.
  - getTransaction
```
Transaction getTransaction()
```
    Get the transaction context of the calling thread
    
    Returns:
    
    the Transaction or null if no TransactionManager is used.
  - getUserTransaction
```
UserTransaction getUserTransaction()
```
    Gets user transaction instance.
    
    Returns:
    
    user transaction object
  - registerTransactionSynchronization
```
void registerTransactionSynchronization(javax.enterprise.event.TransactionPhase phase,
                                        javax.enterprise.inject.spi.ObserverMethod<? super Object> observer,
                                        Object event)
                                 throws Exception
```
    Register transaction synch.
    
    Parameters:
    
    phase - transaction phase
    
    observer - observer
    
    event - event
    
    Throws:
    
    Exception