SessionBrokerSessionFactory (Spring Framework API 2.0) - Spring Framework 2.0.5 API 文档英文版

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org.springframework.orm.toplink
Class SessionBrokerSessionFactory

java.lang.Object
  org.springframework.orm.toplink.AbstractSessionFactory
      org.springframework.orm.toplink.SessionBrokerSessionFactory

All Implemented Interfaces:: SessionFactory

public class SessionBrokerSessionFactory
extends AbstractSessionFactory
extends AbstractSessionFactory

Spring SessionFactory implementation allowing users to inject a TopLink Session built from a TopLink SessionBroker. SessionBrokers are used identically to any other TopLink Session. DAO code should never have to distinguish between Sessions which broker requests to multiple databases and Sessions which manage requests to a single database. The only pertinent difference in the SessionBroker api involves the method for obtaining a thread-safe "client" Session from the SessionBroker. Instead of the typical acquireClientSession method, this SessionFactory implementation uses the acquireClientSessionBroker method. If a SessionBroker aggregates non thread-safe DatabaseSessions, the factory will throw UnsupportedOperationExceptions if used to create managed or transaction-aware Sessions.

Since:: 1.2.6
Author:: James Clark, Juergen Hoeller
See Also:: ServerSessionFactory, ServerSession.acquireClientSession(), SessionBroker.acquireClientSessionBroker()

Field Summary

Fields inherited from class org.springframework.orm.toplink.AbstractSessionFactory

logger

Constructor Summary

SessionBrokerSessionFactory(oracle.toplink.sessionbroker.SessionBroker broker)
          Create a new SessionBrokerSessionFactory for the given SessionBroker.

Method Summary

void close()
          Shut the pre-configured TopLink SessionBroker down.

protected oracle.toplink.sessions.Session createClientSession()
          Create a plain client SessionBroker for this factory's ServerSession.

oracle.toplink.sessions.Session createSession()
          Try to create a client Session; fall back to the master Session, if no client Session can be created (because of the session broker's configuration).

protected oracle.toplink.sessions.Session getMasterSession()
          Return this factory's SessionBroker as-is.

Methods inherited from class org.springframework.orm.toplink.AbstractSessionFactory

createManagedClientSession, createTransactionAwareSession, createTransactionAwareSession

Methods inherited from class java.lang.Object

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

Fields inherited from class org.springframework.orm.toplink.AbstractSessionFactory
`logger`

Constructor Summary
`SessionBrokerSessionFactory(oracle.toplink.sessionbroker.SessionBroker broker)` Create a new SessionBrokerSessionFactory for the given SessionBroker.

Method Summary
`void`	`close()` Shut the pre-configured TopLink SessionBroker down.
`protected oracle.toplink.sessions.Session`	`createClientSession()` Create a plain client SessionBroker for this factory's ServerSession.
`oracle.toplink.sessions.Session`	`createSession()` Try to create a client Session; fall back to the master Session, if no client Session can be created (because of the session broker's configuration).
`protected oracle.toplink.sessions.Session`	`getMasterSession()` Return this factory's SessionBroker as-is.

Methods inherited from class org.springframework.orm.toplink.AbstractSessionFactory
`createManagedClientSession, createTransactionAwareSession, createTransactionAwareSession`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Constructor Detail