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The MyBatis Guice module is easy-to-use Google Guice bridge for MyBatis sql mapping framework.
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/**
 *    Copyright 2009-2015 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.mybatis.guice.transactional;

import javax.transaction.HeuristicMixedException;
import javax.transaction.HeuristicRollbackException;
import javax.transaction.InvalidTransactionException;
import javax.transaction.NotSupportedException;
import javax.transaction.RollbackException;
import javax.transaction.Status;
import javax.transaction.SystemException;
import javax.transaction.Transaction;
import javax.transaction.TransactionManager;

public enum TransactionAttribute {
	MANDATORY
	{
		@Override
		public TransactionToken begin(TransactionManager man) throws SystemException
		{
			if (man.getStatus() == Status.STATUS_NO_TRANSACTION) {
				throw new IllegalStateException(
						"A call is being made on a method that mandates a transaction but there is no current transaction.");
			}
			return new TransactionToken(man.getTransaction(), null, MANDATORY);
		}
	},
	NEVER
	{
		@Override
		public TransactionToken begin(TransactionManager man) throws SystemException
		{
			if (man.getStatus() == Status.STATUS_ACTIVE) {
				throw new IllegalStateException(
						"A call is being made on a method that forbids a transaction but there is a current transaction.");
			}
			return new TransactionToken(null, null, NEVER);
		}
	},
	NOTSUPPORTED {
		@Override
		public TransactionToken begin(TransactionManager man) throws SystemException {
			if (man.getStatus() == Status.STATUS_ACTIVE) {
				return new TransactionToken(null, man.suspend(), this);
			}
			return new TransactionToken(null, null, NOTSUPPORTED);
		}

		@Override
		public void finish(TransactionManager man, TransactionToken tranToken) throws SystemException,
		InvalidTransactionException, IllegalStateException {
			Transaction tran = tranToken.getSuspendedTransaction();
			if (tran != null) {
				man.resume(tran);
			}
		}
	},
	REQUIRED {
		@Override
		public TransactionToken begin(TransactionManager man) throws SystemException, NotSupportedException {
			if (man.getStatus() == Status.STATUS_NO_TRANSACTION) {
				man.begin();
				return new TransactionToken(man.getTransaction(), null, REQUIRED, true);
			}
			return new TransactionToken(man.getTransaction(), null, REQUIRED);
		}

		@Override
		public void finish(TransactionManager man, TransactionToken tranToken) throws SystemException,
		InvalidTransactionException, IllegalStateException, SecurityException, RollbackException,
		HeuristicMixedException, HeuristicRollbackException {

			if (tranToken.isCompletionAllowed()) {
				if (man.getStatus() == Status.STATUS_MARKED_ROLLBACK) {
					man.rollback();
				} else {
					man.commit();
				}
			}
		}
	},
	REQUIRESNEW
	{
		@Override
		public TransactionToken begin(TransactionManager man) throws SystemException, NotSupportedException,
		InvalidTransactionException, IllegalStateException
		{
			TransactionToken tranToken;
			if (man.getStatus() == Status.STATUS_ACTIVE) {
				tranToken = new TransactionToken(null, man.suspend(), REQUIRESNEW);
			} else {
				tranToken = new TransactionToken(null, null, REQUIRESNEW);
			}

			try {
				man.begin();
			} catch (SystemException e) {
				man.resume(tranToken.getSuspendedTransaction());
				throw e;
			} catch (NotSupportedException e) {
				man.resume(tranToken.getSuspendedTransaction());
				throw e;
			}

			tranToken.setActiveTransaction(man.getTransaction());
			tranToken.setCompletionAllowed(true);

			return tranToken;
		}

		@Override
		public void finish(TransactionManager man, TransactionToken tranToken) throws SystemException,
		InvalidTransactionException, IllegalStateException, SecurityException, RollbackException,
		HeuristicMixedException, HeuristicRollbackException
		{
			if (tranToken.isCompletionAllowed()) {
				if (man.getStatus() == Status.STATUS_MARKED_ROLLBACK) {
					man.rollback();
				} else {
					man.commit();
				}
			}

			Transaction tran = tranToken.getSuspendedTransaction();
			if (tran != null) {
				man.resume(tran);
			}
		}
	},
	SUPPORTS {
		@Override
		public TransactionToken begin(TransactionManager man) throws SystemException, NotSupportedException,
		InvalidTransactionException, IllegalStateException
		{
			if (man.getStatus() == Status.STATUS_ACTIVE) {
				return new TransactionToken(man.getTransaction(), null, SUPPORTS);
			}

			return new TransactionToken(null, null, SUPPORTS);
		}
	};

	public static TransactionAttribute fromValue(String value) {
		return valueOf(value.toUpperCase());
	}

	public TransactionToken begin(TransactionManager man) throws SystemException, NotSupportedException,
		InvalidTransactionException, IllegalStateException {

		return null;
	}

	public void finish(TransactionManager man, TransactionToken tranToken) throws SystemException,
		InvalidTransactionException, IllegalStateException, SecurityException, RollbackException,
		HeuristicMixedException, HeuristicRollbackException {

	}
}