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/*
* 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.qpid.ra.tm;
import java.util.Set;
import javax.transaction.TransactionManager;
import org.apache.geronimo.gbean.AbstractName;
import org.apache.geronimo.gbean.AbstractNameQuery;
import org.apache.geronimo.kernel.Kernel;
import org.apache.geronimo.kernel.KernelRegistry;
public class GeronimoTransactionManagerLocator
{
public GeronimoTransactionManagerLocator()
{
}
public TransactionManager getTransactionManager()
{
try
{
Kernel kernel = KernelRegistry.getSingleKernel();
AbstractNameQuery query = new AbstractNameQuery(TransactionManager.class.getName ());
Set<AbstractName> names = kernel.listGBeans(query);
if (names.size() != 1)
{
throw new IllegalStateException("Expected one transaction manager, not " + names.size());
}
AbstractName name = names.iterator().next();
TransactionManager transMg = (TransactionManager) kernel.getGBean(name);
return (TransactionManager)transMg;
}
catch(Exception e)
{
throw new RuntimeException(e);
}
}
}
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