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Java Source Code / Java Documentation » J2EE » spring framework 2.5 » org.springframework.orm.toplink 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


java.lang.Object
   org.springframework.orm.toplink.SessionFactoryUtils

SessionFactoryUtils
abstract public class SessionFactoryUtils (Code)
Helper class featuring methods for TopLink Session handling, allowing for reuse of TopLink Session instances within transactions. Also provides support for exception translation.

Mainly intended for internal use within the framework.
author:
   Juergen Hoeller
author:
   James Clark
since:
   1.2





Method Summary
public static  DataAccessExceptionconvertTopLinkAccessException(TopLinkException ex)
     Convert the given TopLinkException to an appropriate exception from the org.springframework.dao hierarchy.
public static  SessiondoGetSession(SessionFactory sessionFactory, boolean allowCreate)
     Get a TopLink Session for the given SessionFactory.
public static  SessiongetSession(SessionFactory sessionFactory, boolean allowCreate)
     Get a TopLink Session for the given SessionFactory.
public static  booleanisSessionTransactional(Session session, SessionFactory sessionFactory)
     Return whether the given TopLink Session is transactional, that is, bound to the current thread by Spring's transaction facilities.
public static  voidreleaseSession(Session session, SessionFactory sessionFactory)
     Close the given Session, created via the given factory, if it is not managed externally (i.e.



Method Detail
convertTopLinkAccessException
public static DataAccessException convertTopLinkAccessException(TopLinkException ex)(Code)
Convert the given TopLinkException to an appropriate exception from the org.springframework.dao hierarchy.
Parameters:
  ex - TopLinkException that occured the corresponding DataAccessException instance



doGetSession
public static Session doGetSession(SessionFactory sessionFactory, boolean allowCreate) throws TopLinkException, IllegalStateException(Code)
Get a TopLink Session for the given SessionFactory. Is aware of and will return any existing corresponding Session bound to the current thread, for example when using TopLinkTransactionManager. Will create a new Session otherwise, if "allowCreate" is true.

Same as getSession, but throwing the original TopLinkException.
Parameters:
  sessionFactory - TopLink SessionFactory to create the session with
Parameters:
  allowCreate - if a non-transactional Session should be created when notransactional Session can be found for the current thread the TopLink Session
throws:
  TopLinkException - if the Session couldn't be created
throws:
  IllegalStateException - if no thread-bound Session found and"allowCreate" is false
See Also:   SessionFactoryUtils.releaseSession
See Also:   TopLinkTemplate




getSession
public static Session getSession(SessionFactory sessionFactory, boolean allowCreate) throws DataAccessResourceFailureException, IllegalStateException(Code)
Get a TopLink Session for the given SessionFactory. Is aware of and will return any existing corresponding Session bound to the current thread, for example when using TopLinkTransactionManager. Will create a new Session otherwise, if "allowCreate" is true.

This is the getSession method used by typical data access code, in combination with releaseSession called when done with the Session. Note that TopLinkTemplate allows to write data access code without caring about such resource handling.
Parameters:
  sessionFactory - TopLink SessionFactory to create the session with
Parameters:
  allowCreate - if a non-transactional Session should be created when notransactional Session can be found for the current thread the TopLink Session
throws:
  DataAccessResourceFailureException - if the Session couldn't be created
throws:
  IllegalStateException - if no thread-bound Session found and"allowCreate" is false
See Also:   SessionFactoryUtils.releaseSession
See Also:   TopLinkTemplate




isSessionTransactional
public static boolean isSessionTransactional(Session session, SessionFactory sessionFactory)(Code)
Return whether the given TopLink Session is transactional, that is, bound to the current thread by Spring's transaction facilities.
Parameters:
  session - the TopLink Session to check
Parameters:
  sessionFactory - TopLink SessionFactory that the Session was created with(can be null) whether the Session is transactional



releaseSession
public static void releaseSession(Session session, SessionFactory sessionFactory)(Code)
Close the given Session, created via the given factory, if it is not managed externally (i.e. not bound to the thread).
Parameters:
  session - the TopLink Session to close
Parameters:
  sessionFactory - TopLink SessionFactory that the Session was created with(can be null)



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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