国产探花免费观看_亚洲丰满少妇自慰呻吟_97日韩有码在线_资源在线日韩欧美_一区二区精品毛片,辰东完美世界有声小说,欢乐颂第一季,yy玄幻小说排行榜完本

首頁(yè) > 開(kāi)發(fā) > Java > 正文

SpringDataMongoDB多文檔事務(wù)的實(shí)現(xiàn)

2024-07-14 08:42:44
字體:
來(lái)源:轉(zhuǎn)載
供稿:網(wǎng)友

一、安裝MongoDB4.0.3(××)

1.1、官方安裝文檔

https://docs.mongodb.com/manual/tutorial/install-mongodb-on-red-hat/

1.2、tar.gz包下載地址

https://www.mongodb.com/download-center/community?jmp=docs

1.3、復(fù)制集官方配置

https://docs.mongodb.com/manual/administration/replica-set-member-configuration/

二、SpringProject版本依賴(×)

Spring:5.1.1.RELEASE 以上

SpringDataMongoDB:2.1.1.RELEASE 以上

三、配置MongoTransactionManager(SpringBoot使用方式)

SpringBoot 集成非常簡(jiǎn)單,配置MongoTransastionManager,目前Spring-boot-starter-data-mongodb 版本較低不支持,因此暫未驗(yàn)證,SpringBoot配置復(fù)制集參考SpringBoot相關(guān)文檔

@Configurationstatic class Config extends AbstractMongoConfiguration {  @Bean  MongoTransactionManager transactionManager(MongoDbFactory dbFactory) {     return new MongoTransactionManager(dbFactory);  }  // ...}

四、配置MongoTransactionManager(普通Spring項(xiàng)目)

  <context:property-placeholder location="classpath:mongo.properties" ignore-unresolvable="true"    file-encoding="utf-8" />  <!--     重點(diǎn)配置    1.安全配置:credentials="${mongo.user}:${mongo.password}@${mongo.database}"     2.單機(jī)配置:host="${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>  <!-- 重點(diǎn)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、使用事務(wù)(×)

@Servicepublic 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=192.168.1.66mongo.port=27017mongo.replSet=192.168.1.66:2000,192.168.1.66:2001,192.168.1.66:2002mongo.minConnectionsPerHost=10mongo.threadsAllowedToBlockForConnectionMultiplier=4mongo.connectTimeout=30000mongo.maxWaitTime=3000mongo.socketKeepAlive=falsemongo.socketTimeout=30000mongo.maxConnectionIdleTime=0mongo.maxConnectionLifeTime=0mongo.heartbeatSocketTimeout=20000mongo.heartbeatConnectTimeout=10000mongo.minHeartbeatFrequency=3000mongo.heartbeatFrequency=5000mongo.database=labsta

七、最后是重點(diǎn)(×××××)

7.1、必須使用復(fù)制集,單節(jié)點(diǎn)不支持,mongodb4.2 會(huì)支持分片集事務(wù),復(fù)制集安裝請(qǐng)自行研究
7.2、使用事務(wù)之前(@Transaction),數(shù)據(jù)庫(kù)和文檔必須提前創(chuàng)建,如何解決呢?且看下篇
7.3、Spring版本和SpringDataMongodb版本必須遵循 @SpringProject版本依賴
7.4、注意,此處的復(fù)制集不是4.0版本之前的主從復(fù)制集群,4.0之后已廢棄主從模式

以上就是本文的全部?jī)?nèi)容,希望對(duì)大家的學(xué)習(xí)有所幫助,也希望大家多多支持VeVb武林網(wǎng)。


注:相關(guān)教程知識(shí)閱讀請(qǐng)移步到JAVA教程頻道。
發(fā)表評(píng)論 共有條評(píng)論
用戶名: 密碼:
驗(yàn)證碼: 匿名發(fā)表
主站蜘蛛池模板: 宜兴市| 白银市| 固阳县| 佛冈县| 丰宁| 武鸣县| 临颍县| 分宜县| 饶河县| 维西| 泰顺县| 峨边| 门头沟区| 沂南县| 定陶县| 浪卡子县| 榆林市| 故城县| 门源| 鹤庆县| 娄底市| 梨树县| 高清| 温宿县| 中方县| 山东| 家居| 靖安县| 南昌县| 墨江| 油尖旺区| 冷水江市| 长武县| 宁陕县| 夹江县| 叙永县| 湖北省| 伊宁县| 青田县| 平江县| 万年县|