JNDITransactionManagerLookup.java

/*
 * Copyright 2004-2009 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.compass.core.transaction.manager;

import javax.naming.NamingException;
import javax.transaction.TransactionManager;

import org.compass.core.config.CompassSettings;
import org.compass.core.jndi.NamingHelper;
import org.compass.core.transaction.TransactionException;
import org.compass.core.transaction.TransactionManagerLookup;

/**
 * Locates a <code>TransactionManager</code> in JNDI.
 * 
 * @author kimchy
 */
public abstract class JNDITransactionManagerLookup implements TransactionManagerLookup {

    public TransactionManager getTransactionManager(CompassSettings settings) throws TransactionException {
        try {
            return (TransactionManager) NamingHelper.getInitialContext(settings).lookup(getName());
        } catch (NamingException ne) {
            throw new TransactionException("Could not locate TransactionManager", ne);
        }
    }

    protected abstract String getName();
}