js.transaction.hibernate

Class TransactionFactoryImpl

java.lang.Object

js.transaction.hibernate.TransactionFactoryImpl

All Implemented Interfaces:

js.transaction.TransactionContext, js.transaction.TransactionFactory

public class TransactionFactoryImpl
extends Object
implements js.transaction.TransactionFactory, js.transaction.TransactionContext

Hibernate based implementation for TransactionFactory interface. This transaction factory implementation creates a new Java Proxy that executes methods inside a transaction. When create factory instance need to provide resource name for Hibernate configuration XML file, see TransactionFactoryImpl(String). There is also a convenient constructor that uses default resource name, hibernate.cfg.xml.

Transaction Class Arguments

This transaction factory recognize only one single argument of type SessionManager. Therefore constructor signature should be as in sample code. Also optional arguments from newInstance(Class, Object...) are not used.

  class DaoImpl implements Dao {
      DaoImpl(SessionManager sm) {
      }
  }
  ...
  Dao dao = factory.newInstance(DaoImpl.class);
 

Version:

draft

Author:

Iulian Rotaru

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
private class	TransactionFactoryImpl.TransactionalProxy Java invocation handler for transactional Proxy.

Field Summary

Fields

Modifier and Type	Field and Description
private static js.log.Log	log
private js.transaction.TransactionManager	manager
private ThreadLocal<Object>	sessionStorage

Constructor Summary

Constructors

Constructor and Description
TransactionFactoryImpl() Convenient constructor using default Hibernate configuration file, hibernate.cfg.xml.
TransactionFactoryImpl(String configResource) Create transaction factory instance and configure it from given resource name.

Method Summary

Modifier and Type	Method and Description
<T> T	getSession()
<I> I	newInstance(Class<? extends I> implementationClass, Object... args)

Methods inherited from class java.lang.Object

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

Field Detail

log

private static final js.log.Log log

manager

private final js.transaction.TransactionManager manager

sessionStorage

private final ThreadLocal<Object> sessionStorage

Constructor Detail

TransactionFactoryImpl

public TransactionFactoryImpl()

Convenient constructor using default Hibernate configuration file, hibernate.cfg.xml.

TransactionFactoryImpl

public TransactionFactoryImpl(String configResource)

Create transaction factory instance and configure it from given resource name.

Parameters:

configResource - resource name for Hibernate configuration.

Method Detail

newInstance

public <I> I newInstance(Class<? extends I> implementationClass,
                         Object... args)

Specified by:

newInstance in interface js.transaction.TransactionFactory

getSession

public <T> T getSession()

Specified by:

getSession in interface js.transaction.TransactionContext