org.springframework.orm.toplink.SingleSessionFactory Maven / Gradle / Ivy
/*
* Copyright 2002-2005 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.orm.toplink;
import oracle.toplink.sessions.DatabaseSession;
import oracle.toplink.sessions.Session;
/**
* Simple implementation of the SessionFactory interface: always returns
* the passed-in Session as-is.
*
* Useful for testing or standalone usage of TopLink-based data access objects.
* In a server environment, use ServerSessionFactory instead.
*
* @author Juergen Hoeller
* @since 1.2
* @see ServerSessionFactory
*/
public class SingleSessionFactory implements SessionFactory {
private final Session session;
/**
* Create a new SingleSessionFactory with the given Session.
* @param session the TopLink Session to hold
*/
public SingleSessionFactory(Session session) {
this.session = session;
}
/**
* Return the held TopLink Session as-is.
*/
public Session createSession() {
return this.session;
}
/**
* Throws an UnsupportedOperationException: SingleSessionFactory does not
* support managed client Sessions. Use ServerSessionFactory instead.
*/
public Session createManagedClientSession() {
throw new UnsupportedOperationException("SingleSessionFactory does not support managed client Sessions");
}
/**
* Throws an UnsupportedOperationException: SingleSessionFactory does not
* support transaction-aware Sessions. Use ServerSessionFactory instead.
*/
public Session createTransactionAwareSession() {
throw new UnsupportedOperationException("SingleSessionFactory does not support transaction-aware Sessions");
}
/**
* Shut the pre-configured TopLink Session down.
* @see oracle.toplink.sessions.DatabaseSession#logout()
* @see oracle.toplink.sessions.Session#release()
*/
public void close() {
if (this.session instanceof DatabaseSession) {
((DatabaseSession) this.session).logout();
}
this.session.release();
}
}