SpringDataMongoDB多文档事务的实现
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2024-02-28 20:13:10
一、安装mongodb4.0.3(××)
1.1、官方安装文档
1.2、tar.gz包下载地址
1.3、复制集官方配置
二、springprojec...
一、安装mongodb4.0.3(××)
1.1、官方安装文档
1.2、tar.gz包下载地址
1.3、复制集官方配置
二、springproject版本依赖(×)
spring:5.1.1.release 以上
springdatamongodb:2.1.1.release 以上
三、配置mongotransactionmanager(springboot使用方式)
springboot 集成非常简单,配置mongotransastionmanager,目前spring-boot-starter-data-mongodb 版本较低不支持,因此暂未验证,springboot配置复制集参考springboot相关文档
@configuration static class config extends abstractmongoconfiguration { @bean mongotransactionmanager transactionmanager(mongodbfactory dbfactory) { return new mongotransactionmanager(dbfactory); } // ... }
四、配置mongotransactionmanager(普通spring项目)
<context:property-placeholder location="classpath:mongo.properties" ignore-unresolvable="true" file-encoding="utf-8" /> <!-- 重点配置 1.安全配置:credentials="${mongo.user}:${mongo.password}@${mongo.database}" 2.单机配置:host="${mongo.host}" port="${mongo.port}" 3.副本集配置:replica-set="${mongo.replset}" --> <mongo:mongo-client id="mongoclient" replica-set="${mongo.replset}"> <mongo:client-options min-connections-per-host="${mongo.minconnectionsperhost}" write-concern="safe" read-preference="nearest" threads-allowed-to-block-for-connection-multiplier="${mongo.threadsallowedtoblockforconnectionmultiplier}" connect-timeout="${mongo.connecttimeout}" max-wait-time="${mongo.maxwaittime}" socket-keep-alive="${mongo.socketkeepalive}" socket-timeout="${mongo.sockettimeout}" max-connection-idle-time="${mongo.maxconnectionidletime}" max-connection-life-time="${mongo.maxconnectionlifetime}" heartbeat-socket-timeout="${mongo.heartbeatsockettimeout}" heartbeat-connect-timeout="${mongo.heartbeatconnecttimeout}" min-heartbeat-frequency="${mongo.minheartbeatfrequency}" heartbeat-frequency="${mongo.heartbeatfrequency}" /> </mongo:mongo-client> <mongo:db-factory id="mongodbfactory" dbname="${mongo.database}" mongo-ref="mongoclient" /> <bean id="mappingcontext" class="org.springframework.data.mongodb.core.mapping.mongomappingcontext" /> <bean id="defaultmongotypemapper" class="org.springframework.data.mongodb.core.convert.defaultmongotypemapper"> <constructor-arg name="typekey"> <null /> </constructor-arg> </bean> <bean id="mappingmongoconverter" class="org.springframework.data.mongodb.core.convert.mappingmongoconverter"> <constructor-arg name="mongodbfactory" ref="mongodbfactory" /> <constructor-arg name="mappingcontext" ref="mappingcontext" /> <property name="typemapper" ref="defaultmongotypemapper" /> </bean> <bean id="mongotemplate" class="org.springframework.data.mongodb.core.mongotemplate"> <constructor-arg name="mongodbfactory" ref="mongodbfactory" /> <constructor-arg name="mongoconverter" ref="mappingmongoconverter" /> </bean> <!-- 重点配置 --> <bean id="mongotransactionmanager" class="org.springframework.data.mongodb.mongotransactionmanager"> <constructor-arg name="dbfactory" ref="mongodbfactory"/> </bean> <tx:annotation-driven transaction-manager="mongotransactionmanager" proxy-target-class="true"/>
五、使用事务(×)
@service public class stateservice { @autowired private mongotemplate teplate; @transactional void somebusinessfunction(step step) { template.insert(step); log.debug(1/0); }; });
六、mongo.properties 配置
mongo.host=192.168.1.66 mongo.port=27017 mongo.replset=192.168.1.66:2000,192.168.1.66:2001,192.168.1.66:2002 mongo.minconnectionsperhost=10 mongo.threadsallowedtoblockforconnectionmultiplier=4 mongo.connecttimeout=30000 mongo.maxwaittime=3000 mongo.socketkeepalive=false mongo.sockettimeout=30000 mongo.maxconnectionidletime=0 mongo.maxconnectionlifetime=0 mongo.heartbeatsockettimeout=20000 mongo.heartbeatconnecttimeout=10000 mongo.minheartbeatfrequency=3000 mongo.heartbeatfrequency=5000 mongo.database=labsta
七、最后是重点(×××××)
7.1、必须使用复制集,单节点不支持,mongodb4.2 会支持分片集事务,复制集安装请自行研究
7.2、使用事务之前(@transaction),数据库和文档必须提前创建,如何解决呢?且看下篇
7.3、spring版本和springdatamongodb版本必须遵循 @springproject版本依赖
7.4、注意,此处的复制集不是4.0版本之前的主从复制集群,4.0之后已废弃主从模式
以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持。
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