/*
 * Copyright 2012-2015 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.springframework.boot.autoconfigure.transaction;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.autoconfigure.AutoConfigureAfter;
import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
import org.springframework.boot.autoconfigure.condition.ConditionalOnSingleCandidate;
import org.springframework.boot.autoconfigure.jdbc.DataSourceTransactionManagerAutoConfiguration;
import org.springframework.boot.autoconfigure.orm.jpa.JpaBaseConfiguration;
import org.springframework.boot.autoconfigure.transaction.jta.JtaAutoConfiguration;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.transaction.PlatformTransactionManager;
import org.springframework.transaction.support.TransactionTemplate;

/**
 * {@link org.springframework.boot.autoconfigure.EnableAutoConfiguration
 * Auto-configuration} for Spring transaction.
 *
 * @author Stephane Nicoll
 * @since 1.3.0
 */
@Configuration
@ConditionalOnClass({ TransactionTemplate.class, PlatformTransactionManager.class })
@ConditionalOnSingleCandidate(PlatformTransactionManager.class)
@AutoConfigureAfter({ JtaAutoConfiguration.class, JpaBaseConfiguration.class,
		DataSourceTransactionManagerAutoConfiguration.class })
public class TransactionAutoConfiguration {

	@Autowired
	private PlatformTransactionManager transactionManager;

	@Bean
	@ConditionalOnMissingBean
	public TransactionTemplate transactionTemplate() {
		return new TransactionTemplate(this.transactionManager);
	}

}
