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java.lang.Object org.springframework.transaction.jta.WebSphereTransactionManagerFactoryBean
public class WebSphereTransactionManagerFactoryBean
FactoryBean that retrieves the JTA TransactionManager for IBM's WebSphere application servers (versions 6, 5.1, 5.0 and 4).
Uses WebSphere's static access methods to obtain the JTA TransactionManager, which is different for WebSphere 5.1+, 5.0 and 4.
In combination with Spring's JtaTransactionManager, this FactoryBean can be used to enable transaction suspension (PROPAGATION_REQUIRES_NEW, PROPAGATION_NOT_SUPPORTED) on WebSphere:
<bean id="wsJtaTm" class="org.springframework.transaction.jta.WebSphereTransactionManagerFactoryBean"/> <bean id="transactionManager" class="org.springframework.transaction.jta.JtaTransactionManager"> <property name="transactionManager ref="wsJtaTm"/> </bean>Note that Spring's JtaTransactionManager will continue to use the JTA UserTransaction for standard transaction demarcation, as defined by standard J2EE. It will only use the provided WebSphere TransactionManager in case of actual transaction suspension needs.
JtaTransactionManager.setTransactionManager(javax.transaction.TransactionManager)
,
com.ibm.ws.Transaction.TransactionManagerFactory#getTransactionManager
,
com.ibm.ejs.jts.jta.JTSXA#getTransactionManager
,
com.ibm.ejs.jts.jta.TransactionManagerFactory#getTransactionManager
Field Summary | |
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protected Log |
logger
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Constructor Summary | |
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WebSphereTransactionManagerFactoryBean()
This constructor retrieves the WebSphere TransactionManager factory class, so we can get access to the JTA TransactionManager. |
Method Summary | |
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Object |
getObject()
Return an instance (possibly shared or independent) of the object managed by this factory. |
Class |
getObjectType()
Return the type of object that this FactoryBean creates, or null
if not known in advance. |
boolean |
isSingleton()
Is the bean managed by this factory a singleton or a prototype? |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
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protected final Log logger
Constructor Detail |
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public WebSphereTransactionManagerFactoryBean() throws TransactionSystemException
TransactionSystemException
Method Detail |
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public Object getObject()
FactoryBean
If this method returns null, the factory will consider the FactoryBean as not fully initialized and throw a corresponding FactoryBeanNotInitializedException.
getObject
in interface FactoryBean
null
; a null value
will be considered as an indication of incomplete initialization)FactoryBeanNotInitializedException
public Class getObjectType()
FactoryBean
null
if not known in advance. This allows to check for specific types
of beans without instantiating objects, for example on autowiring.
For a singleton, this should try to avoid singleton creation as far as possible; it should rather estimate the type in advance. For prototypes, returning a meaningful type here is advisable too.
This method can be called before this FactoryBean has been fully initialized. It must not rely on state created during initialization; of course, it can still use such state if available.
NOTE: Autowiring will simply ignore FactoryBeans that return null here. Therefore it is highly recommended to implement this method properly, using the current state of the FactoryBean.
getObjectType
in interface FactoryBean
null
if not known at the time of the callListableBeanFactory.getBeansOfType(java.lang.Class)
public boolean isSingleton()
FactoryBean
The singleton status of the FactoryBean itself will generally be provided by the owning BeanFactory; usually, it has to be defined as singleton there.
isSingleton
in interface FactoryBean
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