Package org.apache.tomee.common

Source Code of org.apache.tomee.common.UserTransactionFactory

/**
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements.  See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.tomee.common;

import org.apache.openejb.core.CoreUserTransaction;
import org.apache.openejb.loader.SystemInstance;

import javax.naming.Context;
import javax.naming.Name;
import javax.naming.NamingException;
import javax.naming.spi.ObjectFactory;
import javax.transaction.TransactionManager;
import javax.transaction.UserTransaction;
import java.util.Hashtable;

public class UserTransactionFactory implements ObjectFactory {
    public Object getObjectInstance(Object object, Name name, Context context, Hashtable environment) throws Exception {
        // get the transaction manager
        TransactionManager transactionManager = SystemInstance.get().getComponent(TransactionManager.class);
        if (transactionManager == null) {
            throw new NamingException("transaction manager not found");
        }

        // if transaction manager implements user transaction we are done
        if (transactionManager instanceof UserTransaction) {
            return transactionManager;
        }

        // wrap transaction manager with user transaction
        return new CoreUserTransaction(transactionManager);
    }
}
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