Package com.peterphi.std.guice.hibernate.module

Class TransactionHelper

java.lang.Object

com.peterphi.std.guice.hibernate.module.TransactionHelper

public class TransactionHelper
extends Object

Provides transaction helper methods

Constructor Summary

Constructors

Constructor	Description
TransactionHelper()

Method Summary

Modifier and Type	Method	Description
void	addCommitAction(Runnable action)	Register an action to run on the successful commit of the transaction
void	addRollbackAction(Runnable action)	Register an action to run on the rollback of the transaction
void	deleteOnRollback(Collection<File> files)	Adds an action to the transaction to delete a set of files once rollback completes
void	execute(Runnable statements)	Execute the provided Runnable within a transaction, committing if no exceptions are thrown
<T> T	execute(Callable<T> statements)	Execute the provided Callable within a transaction, committing if no exceptions are thrown and returning the result of the Callable
final org.hibernate.Transaction	get()	get the current hibernate transaction
HibernateTransaction	start()	Starts a new Hibernate transaction.

Methods inherited from class java.lang.Object

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

Constructor Details

TransactionHelper

public TransactionHelper()

Method Details

get

public final org.hibernate.Transaction get()

get the current hibernate transaction

Returns:

start

public HibernateTransaction start()

Starts a new Hibernate transaction. Note that the caller accepts responsibility for closing the transaction

Returns:

execute

public <T> T execute(Callable<T> statements)
              throws Exception

Execute the provided Callable within a transaction, committing if no exceptions are thrown and returning the result of the Callable

Type Parameters:

T -

Parameters:

statements -

Returns:

Throws:

Exception

execute

public void execute(Runnable statements)

Execute the provided Runnable within a transaction, committing if no exceptions are thrown

Parameters:

statements -

addCommitAction

public void addCommitAction(Runnable action)
                     throws org.hibernate.HibernateException

Register an action to run on the successful commit of the transaction

Parameters:

action -

Throws:

org.hibernate.HibernateException

addRollbackAction

public void addRollbackAction(Runnable action)
                       throws org.hibernate.HibernateException

Register an action to run on the rollback of the transaction

Parameters:

action -

Throws:

org.hibernate.HibernateException

deleteOnRollback

public void deleteOnRollback(Collection<File> files)

Adds an action to the transaction to delete a set of files once rollback completes

Parameters:

files -