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Java Source Code / Java Documentation » J2EE » spring framework 2.0.6 » org.springframework.orm.jdo.support

Source Cross Reference Class Diagram Java Document (Java Doc)

java.lang .Object

org.springframework.dao.support .DaoSupport

org.springframework.orm.jdo.support .JdoDaoSupport

JdoDaoSupport

abstract public class JdoDaoSupport extends DaoSupport (Code)

Convenient super class for JDO data access objects.

Requires a PersistenceManagerFactory to be set, providing a JdoTemplate based on it to subclasses. Can alternatively be initialized directly with a JdoTemplate, to reuse the latter's settings such as the PersistenceManagerFactory, JdoDialect, flush mode, etc.

This base class is mainly intended for JdoTemplate usage but can also be used when working with PersistenceManagerFactoryUtils directly, for example in combination with JdoInterceptor-managed PersistenceManagers. Convenience getPersistenceManager and releasePersistenceManager methods are provided for that usage style.

This class will create its own JdoTemplate if only a PersistenceManagerFactory is passed in. The "allowCreate" flag on that JdoTemplate will be "true" by default. A custom JdoTemplate instance can be used through overriding createJdoTemplate.
author:
   Juergen Hoeller
since:
   28.07.2003
See Also:   JdoDaoSupport.setPersistenceManagerFactory
See Also:   JdoDaoSupport.setJdoTemplate
See Also:   JdoDaoSupport.createJdoTemplate
See Also:   JdoDaoSupport.getPersistenceManager
See Also:   JdoDaoSupport.releasePersistenceManager
See Also:   org.springframework.orm.jdo.JdoTemplate
See Also:   org.springframework.orm.jdo.JdoInterceptor

Method Summary
final protected void	checkDaoConfig()
final protected DataAccessException	convertJdoAccessException(JDOException ex) Convert the given JDOException to an appropriate exception from the org.springframework.dao hierarchy.
protected JdoTemplate	createJdoTemplate(PersistenceManagerFactory persistenceManagerFactory) Create a JdoTemplate for the given PersistenceManagerFactory.
final public JdoTemplate	getJdoTemplate() Return the JdoTemplate for this DAO, pre-initialized with the PersistenceManagerFactory or set explicitly.
final protected PersistenceManager	getPersistenceManager() Get a JDO PersistenceManager, either from the current transaction or a new one.
final protected PersistenceManager	getPersistenceManager(boolean allowCreate) Get a JDO PersistenceManager, either from the current transaction or a new one.
final public PersistenceManagerFactory	getPersistenceManagerFactory() Return the JDO PersistenceManagerFactory used by this DAO.
final protected void	releasePersistenceManager(PersistenceManager pm) Close the given JDO PersistenceManager, created via this DAO's PersistenceManagerFactory, if it isn't bound to the thread.
final public void	setJdoTemplate(JdoTemplate jdoTemplate) Set the JdoTemplate for this DAO explicitly, as an alternative to specifying a PersistenceManagerFactory.
final public void	setPersistenceManagerFactory(PersistenceManagerFactory persistenceManagerFactory) Set the JDO PersistenceManagerFactory to be used by this DAO.

Method Detail

checkDaoConfig
final protected void checkDaoConfig()(Code)

convertJdoAccessException
final protected DataAccessException convertJdoAccessException(JDOException ex)(Code)
	Convert the given JDOException to an appropriate exception from the org.springframework.dao hierarchy. Delegates to the convertJdoAccessException method of this DAO's JdoTemplate. Parameters: ex - JDOException that occured the corresponding DataAccessException instance See Also: JdoDaoSupport.setJdoTemplate See Also: org.springframework.orm.jdo.JdoTemplate.convertJdoAccessException

createJdoTemplate
protected JdoTemplate createJdoTemplate(PersistenceManagerFactory persistenceManagerFactory)(Code)
	Create a JdoTemplate for the given PersistenceManagerFactory. Only invoked if populating the DAO with a PersistenceManagerFactory reference! Can be overridden in subclasses to provide a JdoTemplate instance with different configuration, or a custom JdoTemplate subclass. Parameters: persistenceManagerFactory - the JDO PersistenceManagerFactoryto create a JdoTemplate for the new JdoTemplate instance See Also: JdoDaoSupport.setPersistenceManagerFactory

getJdoTemplate
final public JdoTemplate getJdoTemplate()(Code)
	Return the JdoTemplate for this DAO, pre-initialized with the PersistenceManagerFactory or set explicitly.

getPersistenceManager
final protected PersistenceManager getPersistenceManager()(Code)
	Get a JDO PersistenceManager, either from the current transaction or a new one. The latter is only allowed if the "allowCreate" setting of this bean's JdoTemplate is true. the JDO PersistenceManager throws: DataAccessResourceFailureException - if the PersistenceManager couldn't be created throws: IllegalStateException - if no thread-bound PersistenceManager found and allowCreate false See Also: org.springframework.orm.jdo.PersistenceManagerFactoryUtils.getPersistenceManager

getPersistenceManager
final protected PersistenceManager getPersistenceManager(boolean allowCreate) throws DataAccessResourceFailureException, IllegalStateException(Code)
	Get a JDO PersistenceManager, either from the current transaction or a new one. The latter is only allowed if "allowCreate" is true. Parameters: allowCreate - if a non-transactional PersistenceManager should be createdwhen no transactional PersistenceManager can be found for the current thread the JDO PersistenceManager throws: DataAccessResourceFailureException - if the PersistenceManager couldn't be created throws: IllegalStateException - if no thread-bound PersistenceManager found and allowCreate false See Also: org.springframework.orm.jdo.PersistenceManagerFactoryUtils.getPersistenceManager

getPersistenceManagerFactory
final public PersistenceManagerFactory getPersistenceManagerFactory()(Code)
	Return the JDO PersistenceManagerFactory used by this DAO.

releasePersistenceManager
final protected void releasePersistenceManager(PersistenceManager pm)(Code)
	Close the given JDO PersistenceManager, created via this DAO's PersistenceManagerFactory, if it isn't bound to the thread. Parameters: pm - PersistenceManager to close See Also: org.springframework.orm.jdo.PersistenceManagerFactoryUtils.releasePersistenceManager

setJdoTemplate
final public void setJdoTemplate(JdoTemplate jdoTemplate)(Code)
	Set the JdoTemplate for this DAO explicitly, as an alternative to specifying a PersistenceManagerFactory. See Also: JdoDaoSupport.setPersistenceManagerFactory

setPersistenceManagerFactory
final public void setPersistenceManagerFactory(PersistenceManagerFactory persistenceManagerFactory)(Code)
	Set the JDO PersistenceManagerFactory to be used by this DAO. Will automatically create a JdoTemplate for the given PersistenceManagerFactory. See Also: JdoDaoSupport.createJdoTemplate See Also: JdoDaoSupport.setJdoTemplate

Fields inherited from org.springframework.dao.support.DaoSupport

final protected Log logger(Code)(Java Doc)

Methods inherited from org.springframework.dao.support.DaoSupport

final public void afterPropertiesSet() throws IllegalArgumentException, BeanInitializationException(Code)(Java Doc)
abstract protected void checkDaoConfig() throws IllegalArgumentException(Code)(Java Doc)
protected void initDao() throws Exception(Code)(Java Doc)

Methods inherited from java.lang.Object

native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public boolean equals(Object obj)(Code)(Java Doc)
protected void finalize() throws Throwable(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
native public int hashCode()(Code)(Java Doc)
final native public void notify()(Code)(Java Doc)
final native public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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