/**
*
* Copyright 2003-2004 The Apache Software Foundation
*
* 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.apache.geronimo.connector.outbound.connectiontracking;
import org.apache.geronimo.transaction.InstanceContext;
import org.apache.geronimo.transaction.TrackedConnectionAssociator;
import org.apache.geronimo.transaction.context.TransactionContext;
import org.apache.geronimo.transaction.context.TransactionContextManager;
/**
* Sample functionality for an interceptor that enables connection caching and obtaining
* connections outside a UserTransaction.
*
* @version $Rev: 355877 $ $Date: 2005-12-11 03:48:27 +0100 (Sun, 11 Dec 2005) $
*/
public class DefaultComponentInterceptor implements DefaultInterceptor {
private final DefaultInterceptor next;
private final TrackedConnectionAssociator trackedConnectionAssociator;
private final TransactionContextManager transactionContextManager;
public DefaultComponentInterceptor(DefaultInterceptor next,
TrackedConnectionAssociator trackedConnectionAssociator,
TransactionContextManager transactionContextManager) {
this.next = next;
this.trackedConnectionAssociator = trackedConnectionAssociator;
this.transactionContextManager = transactionContextManager;
}
public Object invoke(InstanceContext newInstanceContext) throws Throwable {
TransactionContext transactionContext = transactionContextManager.getContext();
if (transactionContext == null) {
transactionContextManager.newUnspecifiedTransactionContext();
}
try {
InstanceContext oldInstanceContext = trackedConnectionAssociator.enter(newInstanceContext);
try {
return next.invoke(newInstanceContext);
} finally {
trackedConnectionAssociator.exit(oldInstanceContext);
}
} finally {
if (transactionContext == null) {
transactionContext = transactionContextManager.getContext();
transactionContext.commit();
transactionContextManager.setContext(null);
}
}
}
}