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springboot配置mongodb連接池的方法步驟

更新時(shí)間：2021年01月26日 10:19:54 作者：初窺門徑

這篇文章主要介紹了springboot配置mongodb連接池的方法步驟,文中通過示例代碼介紹的非常詳細(xì)，對大家的學(xué)習(xí)或者工作具有一定的參考學(xué)習(xí)價(jià)值，需要的朋友們下面隨著小編來一起學(xué)習(xí)學(xué)習(xí)吧

application.yml 配置

mongodb:
 address: localhost:27017
 database: soms
 username: admin
 password: 123456
 # 連接池配置
 clientName: soms-task # 客戶端的標(biāo)識，用于定位請求來源等
 connectionTimeoutMs: 10000   # TCP連接超時(shí)，毫秒
 readTimeoutMs: 15000    # TCP讀取超時(shí)，毫秒
 poolMaxWaitTimeMs: 3000    #當(dāng)連接池?zé)o可用連接時(shí)客戶端阻塞等待的時(shí)長，單位毫秒
 connectionMaxIdleTimeMs: 60000  #TCP連接閑置時(shí)間，單位毫秒
 connectionMaxLifeTimeMs: 120000  #TCP連接最多可以使用多久，單位毫秒
 heartbeatFrequencyMs: 20000   #心跳檢測發(fā)送頻率，單位毫秒
 minHeartbeatFrequencyMs: 8000  #最小的心跳檢測發(fā)送頻率，單位毫秒
 heartbeatConnectionTimeoutMs: 10000 #心跳檢測TCP連接超時(shí)，單位毫秒
 heartbeatReadTimeoutMs: 15000  #心跳檢測TCP連接讀取超時(shí)，單位毫秒
 connectionsPerHost: 100    # 每個(gè)host的TCP連接數(shù)
 minConnectionsPerHost: 5   #每個(gè)host的最小TCP連接數(shù)
 #計(jì)算允許多少個(gè)線程阻塞等待可用TCP連接時(shí)的乘數(shù)，算法： threadsAllowedToBlockForConnectionMultiplier*connectionsPerHost，當(dāng)前配置允許10*20個(gè)線程阻塞  
 threadsAllowedToBlockForConnectionMultiplier: 10

用來獲取配置參數(shù)的類

import lombok.Data;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.stereotype.Component;
import org.springframework.validation.annotation.Validated;
import javax.validation.constraints.Min;
import javax.validation.constraints.NotNull;
import javax.validation.constraints.Size;
import java.util.List;
@Data
@Validated
@Component
@ConfigurationProperties(prefix = "mongodb")
public class MongoClientOptionProperties {
  /** 基礎(chǔ)連接參數(shù) */
 private String database;
 private String username;
 private String password;
 @NotNull
 private List<String> address;
 /** 客戶端連接池參數(shù) */
 @NotNull
 @Size(min = 1)
  private String clientName;
 /** socket連接超時(shí)時(shí)間 */
 @Min(value = 1)
  private int connectionTimeoutMs;
 /** socket讀取超時(shí)時(shí)間 */
 @Min(value = 1)
  private int readTimeoutMs;
 /** 連接池獲取鏈接等待時(shí)間 */
 @Min(value = 1)
  private int poolMaxWaitTimeMs;
 /** 連接閑置時(shí)間 */
 @Min(value = 1)
  private int connectionMaxIdleTimeMs;
 /** 連接最多可以使用多久 */
 @Min(value = 1)
  private int connectionMaxLifeTimeMs;
 /** 心跳檢測發(fā)送頻率 */
 @Min(value = 2000)
  private int heartbeatFrequencyMs;
 /** 最小的心跳檢測發(fā)送頻率 */
 @Min(value = 300)
  private int minHeartbeatFrequencyMs;
 /** 計(jì)算允許多少個(gè)線程阻塞等待時(shí)的乘數(shù)，算法：threadsAllowedToBlockForConnectionMultiplier*connectionsPerHost */
 @Min(value = 1)
  private int threadsAllowedToBlockForConnectionMultiplier;
 /** 心跳檢測連接超時(shí)時(shí)間 */
 @Min(value = 200)
  private int heartbeatConnectionTimeoutMs;
 /** 心跳檢測讀取超時(shí)時(shí)間 */
 @Min(value = 200)
  private int heartbeatReadTimeoutMs;
 /** 每個(gè)host最大連接數(shù) */
 @Min(value = 1)
  private int connectionsPerHost;
 /** 每個(gè)host的最小連接數(shù) */
 @Min(value = 1)
  private int minConnectionsPerHost;
}

配置類

package com.alkin.soms.common.mongo;
import com.mongodb.MongoClient;
import com.mongodb.MongoClientOptions;
import com.mongodb.MongoCredential;
import com.mongodb.ServerAddress;
import org.apache.commons.lang.StringUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.BeanFactory;
import org.springframework.beans.factory.NoSuchBeanDefinitionException;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.mongodb.MongoDbFactory;
import org.springframework.data.mongodb.core.MongoTemplate;
import org.springframework.data.mongodb.core.SimpleMongoDbFactory;
import org.springframework.data.mongodb.core.convert.*;
import org.springframework.data.mongodb.core.mapping.MongoMappingContext;
import java.util.ArrayList;
import java.util.List;
@Configuration
public class MongoConfig {
  private final Logger log = LoggerFactory.getLogger(MongoConfig.class);
 /**
 * 自定義mongo連接池 * * @param properties
 * @return
 */
 @Bean
 @Autowired public MongoDbFactory mongoDbFactory(MongoClientOptionProperties properties) {
    //創(chuàng)建客戶端參數(shù)
 MongoClientOptions options = mongoClientOptions(properties);
 //創(chuàng)建客戶端和Factory
 List<ServerAddress> serverAddresses = new ArrayList<>();
 for (String address : properties.getAddress()) {
      String[] hostAndPort = address.split(":");
 String host = hostAndPort[0];
 int port = Integer.parseInt(hostAndPort[1]);
 ServerAddress serverAddress = new ServerAddress(host, port);
 serverAddresses.add(serverAddress);
 }
    String username = properties.getUsername();
 String password = properties.getPassword();
 String database = properties.getDatabase();
 MongoClient mongoClient;
 if (StringUtils.isNotEmpty(username) && StringUtils.isNotEmpty(password)) {
      //創(chuàng)建認(rèn)證客戶端
 MongoCredential mongoCredential = MongoCredential.createScramSha1Credential(
          username,
 database,
 password.toCharArray());
 mongoClient = new MongoClient(serverAddresses.get(0), mongoCredential, options);
 } else {
      //創(chuàng)建非認(rèn)證客戶端
 mongoClient = new MongoClient(serverAddresses, options);
 }
    SimpleMongoDbFactory mongoDbFactory = new SimpleMongoDbFactory(mongoClient, database);
 log.info("mongodb注入成功");
 return mongoDbFactory;
 }
  @Bean(name = "mongoTemplate")
  @Autowired
 public MongoTemplate getMongoTemplate(MongoDbFactory mongoDbFactory) {
    return new MongoTemplate(mongoDbFactory);
 }
  /**
 * mongo客戶端參數(shù)配置 * * @return
 */
 public MongoClientOptions mongoClientOptions(MongoClientOptionProperties properties) {
    return MongoClientOptions.builder()
        .connectTimeout(properties.getConnectionTimeoutMs())
        .socketTimeout(properties.getReadTimeoutMs()).applicationName(properties.getClientName())
        .heartbeatConnectTimeout(properties.getHeartbeatConnectionTimeoutMs())
        .heartbeatSocketTimeout(properties.getHeartbeatReadTimeoutMs())
        .heartbeatFrequency(properties.getHeartbeatFrequencyMs())
        .minHeartbeatFrequency(properties.getMinHeartbeatFrequencyMs())
        .maxConnectionIdleTime(properties.getConnectionMaxIdleTimeMs())
        .maxConnectionLifeTime(properties.getConnectionMaxLifeTimeMs())
        .maxWaitTime(properties.getPoolMaxWaitTimeMs())
        .connectionsPerHost(properties.getConnectionsPerHost())
        .threadsAllowedToBlockForConnectionMultiplier(
            properties.getThreadsAllowedToBlockForConnectionMultiplier())
        .minConnectionsPerHost(properties.getMinConnectionsPerHost()).build();
 }
  @Bean
 public MappingMongoConverter mappingMongoConverter(MongoDbFactory factory, MongoMappingContext context, BeanFactory beanFactory) {
    DbRefResolver dbRefResolver = new DefaultDbRefResolver(factory);
 MappingMongoConverter mappingConverter = new MappingMongoConverter(dbRefResolver, context);
 try {
      mappingConverter.setCustomConversions(beanFactory.getBean(MongoCustomConversions.class));
 } catch (NoSuchBeanDefinitionException ignore) {
    }
    // Don't save _class to dao
 mappingConverter.setTypeMapper(new DefaultMongoTypeMapper(null));
 return mappingConverter;
 }
}

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