spring R2dbcTransactionManagerAutoConfiguration 源码
springboot R2dbcTransactionManagerAutoConfiguration 代码
文件路径：/spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/r2dbc/R2dbcTransactionManagerAutoConfiguration.java
/*
* Copyright 2012-2022 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
*
* https://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.r2dbc;
import io.r2dbc.spi.ConnectionFactory;
import org.springframework.boot.autoconfigure.AutoConfiguration;
import org.springframework.boot.autoconfigure.AutoConfigureOrder;
import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
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.transaction.TransactionAutoConfiguration;
import org.springframework.context.annotation.Bean;
import org.springframework.core.Ordered;
import org.springframework.r2dbc.connection.R2dbcTransactionManager;
import org.springframework.transaction.ReactiveTransactionManager;
/**
* {@link EnableAutoConfiguration Auto-configuration} for {@link R2dbcTransactionManager}.
*
* @author Mark Paluch
* @since 2.3.0
*/
@AutoConfiguration(before = TransactionAutoConfiguration.class)
@ConditionalOnClass({ R2dbcTransactionManager.class, ReactiveTransactionManager.class })
@ConditionalOnSingleCandidate(ConnectionFactory.class)
@AutoConfigureOrder(Ordered.LOWEST_PRECEDENCE)
public class R2dbcTransactionManagerAutoConfiguration {
@Bean
@ConditionalOnMissingBean(ReactiveTransactionManager.class)
public R2dbcTransactionManager connectionFactoryTransactionManager(ConnectionFactory connectionFactory) {
return new R2dbcTransactionManager(connectionFactory);
}
}
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- 本文标签： Java Spring Spring Boot
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