spring boot MongoDb配置和多数据源

时间：2020-12-11 04:18:40

配置文件：

# MongoDB配置项

mongodb.base.host: 192.168.1.204

mongodb.base.port:

mongodb.base.database: xxx

mongodb.base.username: xxxx

mongodb.base.password: 18148E275C234393

java配置：

package com.test.framework.mongodb.base.config;

import org.springframework.beans.factory.annotation.Qualifier;

import org.springframework.boot.autoconfigure.mongo.MongoProperties;

import org.springframework.boot.context.properties.ConfigurationProperties;

import org.springframework.context.annotation.Bean;

import org.springframework.context.annotation.Configuration;

import org.springframework.context.annotation.Primary;

import org.springframework.data.mongodb.MongoDbFactory;

import org.springframework.data.mongodb.core.MongoTemplate;

import org.springframework.data.mongodb.core.SimpleMongoDbFactory;

import com.mongodb.MongoClient;

import com.mongodb.MongoClientOptions;

import com.mongodb.MongoCredential;

import com.mongodb.ServerAddress;

@Configuration

public class MongodbBaseConfig {

    public static final String mongoPropertiesBase = "mongoPropertiesBase";

    public static final String mongoClientBase = "mongoClientBase";

    public static final String mongoDbFactoryBase = "mongoDbFactoryBase";

    public static final String mongoTemplateBase = "mongoTemplateBase";

    @Bean(name = mongoPropertiesBase)

    @ConfigurationProperties(prefix = "mongodb.base")

    @Primary

    public MongoProperties setMongoProperties() {

        return new MongoProperties();

    }

    @Bean(name = mongoClientBase)

    @Primary

    public MongoClient setMongoClient(@Qualifier(mongoPropertiesBase) MongoProperties mongoProperties) {

        // MongoDB地址

        ServerAddress serverAddress = new ServerAddress(mongoProperties.getHost(), mongoProperties.getPort());

        // 连接认证（用户名，数据库，密码 ）

        MongoCredential mongoCredential = MongoCredential.createCredential(mongoProperties.getUsername(),

                mongoProperties.getDatabase(), mongoProperties.getPassword());

        // 连接选项

        MongoClientOptions mongoClientOptions = new MongoClientOptions.Builder().build();

        // new MongoClientOptions.Builder()

        // .connectTimeout(Integer.parseInt(connectTimeout)) // 链接超时时间

        // .socketTimeout(Integer.parseInt(socketTimeout)) // read数据超时时间

        // .readPreference(ReadPreference.secondary()) // 最近优先策略

        // //.autoConnectRetry(false) // 是否重试机制

        // .connectionsPerHost(Integer.parseInt(perHost)) // 每个地址最大请求数

        // .maxWaitTime(Integer.parseInt(waitTime)) // 长链接的最大等待时间

        // .threadsAllowedToBlockForConnectionMultiplier(Integer.parseInt(connectionMultiplier)).build();

        // // 一个socket最大的等待请求数

        // //.writeConcern(WriteConcern.NORMAL).build();

        return new MongoClient(serverAddress, mongoCredential, mongoClientOptions);

    }

    @Bean(name = mongoDbFactoryBase)

    @Primary

    public MongoDbFactory setMongoDbFactory(@Qualifier(mongoClientBase) MongoClient mongoClient,

            @Qualifier(mongoPropertiesBase) MongoProperties mongoProperties) throws Exception {

        return new SimpleMongoDbFactory(mongoClient, mongoProperties.getDatabase());

    }

    @Primary

    @Bean(name = mongoTemplateBase)

    public MongoTemplate setMongoTemplate(@Qualifier(mongoDbFactoryBase) MongoDbFactory mongoDbFactory)

            throws Exception {

        return new MongoTemplate(mongoDbFactory);

    }

}

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