好湿?好紧?好多水好爽自慰,久久久噜久噜久久综合,成人做爰A片免费看黄冈,机机对机机30分钟无遮挡

主頁 > 知識庫 > mongoDB 實現主從讀寫分離實現的實例代碼

mongoDB 實現主從讀寫分離實現的實例代碼

熱門標簽:電銷機器人是什么軟件 蘋果汽車租賃店地圖標注 濟南電銷機器人加盟公司 云南外呼系統 怎么投訴地圖標注 杭州人工電銷機器人價格 廣州長安公司怎樣申請400電話 呼和浩特電銷外呼系統加盟 老虎洗衣店地圖標注

mongoDB主從讀寫分離

MongoDB官方已經不建議使用主從模式了,替代方案是采用副本集的模式, 點擊查看。如果您的環境不符合副本集模式可參考本文,來實現主從讀寫分離。

resources.properties

mongodb_read.host=10.0.0.45
mongodb_read.port=27017
mongodb_read.apname=ecsp
mongodb_read.username=
mongodb_read.password=

mongodb_write.host=10.0.0.46
mongodb_write.port=27017
mongodb_write.apname=ecsp
mongodb_write.username=
mongodb_write.password=

mongo_config.xml

beans xmlns="http://www.springframework.org/schema/beans"
  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:context="http://www.springframework.org/schema/context"
  xmlns:mongo="http://www.springframework.org/schema/data/mongo"
  xsi:schemaLocation="http://www.springframework.org/schema/context   
     http://www.springframework.org/schema/context/spring-context-2.0.xsd   
     http://www.springframework.org/schema/data/mongo   
     http://www.springframework.org/schema/data/mongo/spring-mongo-1.0.xsd   
     http://www.springframework.org/schema/beans   
     http://www.springframework.org/schema/beans/spring-beans-2.0.xsd">

  !-- 連接數據庫信息 -->
  bean id="propertyConfigurer"
    class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
    property name="locations">
      list>
        value>classpath:resources.properties/value>
      /list>
    /property>
  /bean>
  !-- 讀start -->
  bean id="mongoServerReadAddress" class="com.mongodb.ServerAddress">
    constructor-arg value="${mongodb_read.host}">/constructor-arg>
    constructor-arg value="${mongodb_read.port}">/constructor-arg>
  /bean>
  bean id="chexunMongoReadOptions" class="com.ecsp.chexun.mongo.ChexunMongoOptions">
    property name="username" value="${mongodb_read.username}" />
    property name="password" value="${mongodb_read.password}" />
    property name="dbname" value="${mongodb_read.apname}" />
    property name="connectionsPerHost" value="100" />
    property name="threadsAllowedToBlockForConnectionMultiplier"
      value="5" />
    property name="slaveOk" value="true" />
  /bean>
  bean id="mongo_read" class="com.mongodb.Mongo">
    constructor-arg ref="mongoServerReadAddress">/constructor-arg>
    constructor-arg ref="chexunMongoReadOptions">/constructor-arg>
  /bean>
  !-- 讀end -->

  !-- 寫start -->
  bean id="mongoServerWriteAddress" class="com.mongodb.ServerAddress">
    constructor-arg value="${mongodb_write.host}">/constructor-arg>
    constructor-arg value="${mongodb_write.port}">/constructor-arg>
  /bean>
  bean id="chexunMongoWriteOptions" class="com.ecsp.chexun.mongo.ChexunMongoOptions">
    property name="username" value="${mongodb_write.username}" />
    property name="password" value="${mongodb_write.password}" />
    property name="dbname" value="${mongodb_write.apname}" />
    property name="connectionsPerHost" value="100" />
    property name="threadsAllowedToBlockForConnectionMultiplier"
      value="5" />
  /bean>
  bean id="mongo_write" class="com.mongodb.Mongo">
    constructor-arg ref="mongoServerWriteAddress">/constructor-arg>
    constructor-arg ref="chexunMongoWriteOptions">/constructor-arg>
  /bean>
  !-- 寫end -->

  !-- 鏈接對象注入start -->
  bean id="mongoHelper" class="com.ecsp.chexun.mongo.MongoHelper">
    constructor-arg ref="mongo_read">/constructor-arg>
    constructor-arg ref="mongo_write">/constructor-arg>
  /bean>

  !-- 鏈接對象注入end -->
/beans>

web.xml

context-param>
  param-name>contextConfigLocation/param-name>
  param-value>
    /WEB-INF/classes/mongo_config.xml
  /param-value>
/context-param>

實體層ChexunMongoOptions.Java

package com.ecsp.chexun.mongo;

import javax.net.SocketFactory;

import com.mongodb.DBDecoderFactory;
import com.mongodb.MongoOptions;

/**
 * Mongo配置類
 * 
 * @author vincent.he
 * @version 1.0, Created on 2012-3-12
 * 
 */
public class ChexunMongoOptions extends MongoOptions{
  private String username;
  private String password;
  private String dbname;

  public ChexunMongoOptions(){
    super();
  }

  public void setDescription(String description) {
    this.description = description;
  }

  public void setConnectionsPerHost(int connectionsPerHost) {
    this.connectionsPerHost = connectionsPerHost;
  }

  public void setThreadsAllowedToBlockForConnectionMultiplier(
      int threadsAllowedToBlockForConnectionMultiplier) {
    this.threadsAllowedToBlockForConnectionMultiplier = threadsAllowedToBlockForConnectionMultiplier;
  }

  public void setMaxWaitTime(int maxWaitTime) {
    this.maxWaitTime = maxWaitTime;
  }

  public void setConnectTimeout(int connectTimeout) {
    this.connectTimeout = connectTimeout;
  }

  public void setSocketTimeout(int socketTimeout) {
    this.socketTimeout = socketTimeout;
  }

  public void setSocketKeepAlive(boolean socketKeepAlive) {
    this.socketKeepAlive = socketKeepAlive;
  }

  public void setAutoConnectRetry(boolean autoConnectRetry) {
    this.autoConnectRetry = autoConnectRetry;
  }

  public void setMaxAutoConnectRetryTime(long maxAutoConnectRetryTime) {
    this.maxAutoConnectRetryTime = maxAutoConnectRetryTime;
  }

  public void setSlaveOk(boolean slaveOk) {
    this.slaveOk = slaveOk;
  }

  public void setDbDecoderFactory(DBDecoderFactory dbDecoderFactory) {
    this.dbDecoderFactory = dbDecoderFactory;
  }

  public void setSafe(boolean safe) {
    this.safe = safe;
  }

  public void setW(int w) {
    this.w = w;
  }

  public void setWtimeout(int wtimeout) {
    this.wtimeout = wtimeout;
  }

  public void setFsync(boolean fsync) {
    this.fsync = fsync;
  }

  public void setJ(boolean j) {
    this.j = j;
  }

  public void setSocketFactory(SocketFactory socketFactory) {
    this.socketFactory = socketFactory;
  }

  public String getUsername() {
    return username;
  }

  public void setUsername(String username) {
    this.username = username;
  }

  public String getPassword() {
    return password;
  }

  public void setPassword(String password) {
    this.password = password;
  }

  public String getDbname() {
    return dbname;
  }

  public void setDbname(String dbname) {
    this.dbname = dbname;
  }
}

Java dao層

package com.ecsp.chexun.mongo;
import java.util.List;


import com.mongodb.BasicDBObject;
import com.mongodb.CommandResult;
import com.mongodb.DB;
import com.mongodb.DBCollection;
import com.mongodb.DBObject;
import com.mongodb.Mongo;

/**
 * mongo 操做方法
 * @author zhanglibing
 * 
 */
public class MongoHelper {

  private Mongo mongo;
  private Mongo mongo_read;
  private Mongo mongo_write;
  private String dataBaseName = "cxec";
  public MongoHelper(){}
  public MongoHelper(Mongo mongo,Mongo mongo_read,Mongo mongo_write){
    this.mongo = mongo;
    this.mongo_read = mongo_read;
    this.mongo_write = mongo_write;
  }
// public MongoHelper(String dbName){
//   dataBaseName = dbName;   
// }
  public int add(String collectionName,BasicDBObject dbObject){
//   DB db = MongoManager.getDB(dataBaseName); 
    DB db = mongo_write.getDB(dataBaseName);
    DBCollection dbc = db.getCollection(collectionName); 
    return dbc.save(dbObject).getN();
  }
  //批量添加
  public int addAll( String collectionName,ListDBObject> list){
//   DB db = MongoManager.getDB(dataBaseName); 
    DB db = mongo_write.getDB(dataBaseName);
    DBCollection dbc = db.getCollection(collectionName); 
    return dbc.insert(list).getN();
  }

  public int isExists(String collectionName,BasicDBObject query){
//   DB db = MongoManager.getDB(dataBaseName); 
    DB db = mongo_read.getDB(dataBaseName);
    DBCollection dbc = db.getCollection(collectionName);
    return dbc.find(query).size();   
  }

  public ListDBObject> get(String collectionName,BasicDBObject query){
//   DB db = MongoManager.getDB(dataBaseName);
    DB db = mongo_read.getDB(dataBaseName);
    DBCollection dbc = db.getCollection(collectionName);
    return dbc.find(query).toArray();
  }

  public int getCount(String collectionName,BasicDBObject query){    
//   DB db = MongoManager.getDB(dataBaseName);
    DB db = mongo_read.getDB(dataBaseName);
    DBCollection dbc = db.getCollection(collectionName);
    return dbc.find(query).count();    
  }

  public ListDBObject> get(String collectionName,BasicDBObject query,BasicDBObject keys){
//   DB db = MongoManager.getDB(dataBaseName);
    DB db = mongo_read.getDB(dataBaseName);
    DBCollection dbc = db.getCollection(collectionName);
    return dbc.find(query, keys).toArray();
  }

  /***
   * 獲取mongo 中 collection 的值
   * @param collectionName
   * @param query 查詢條件
   * @param keys  查詢字段
   * @param batchSize 返回個數
   * @return
   */
  public ListDBObject> get(String collectionName,BasicDBObject query,BasicDBObject keys,BasicDBObject orderBy,int batchSize){
//   DB db = MongoManager.getDB(dataBaseName);
    DB db = mongo_read.getDB(dataBaseName);
    DBCollection dbc = db.getCollection(collectionName);
    if(orderBy != null){
      return dbc.find(query, keys).sort(orderBy).limit(batchSize).toArray(); 
    }
    return dbc.find(query, keys).limit(batchSize).toArray();
  }

  public ListDBObject> get(String collectionName,BasicDBObject query,BasicDBObject keys,BasicDBObject orderBy,int batchSize,int n){
//   DB db = MongoManager.getDB(dataBaseName);
    DB db = mongo_read.getDB(dataBaseName);
    DBCollection dbc = db.getCollection(collectionName);
    if(orderBy != null){
      return dbc.find(query, keys).sort(orderBy).limit(batchSize).skip(n).toArray(); 
    }
    return dbc.find(query, keys).limit(batchSize).toArray();
  }

  public ListDBObject> get(String collectionName,DBObject query,int batchSize){
//   DB db = MongoManager.getDB(dataBaseName);
    DB db = mongo_read.getDB(dataBaseName);
    DBCollection dbc = db.getCollection(collectionName);      
    return dbc.find(query).limit(batchSize).toArray();
  }
  public ListDBObject> get(String collectionName,int number){
    DB db = mongo_read.getDB(dataBaseName);
    DBCollection dbc = db.getCollection(collectionName);  
    ListDBObject> dboList = dbc.find().skip(0).limit(number).toArray();
    return dboList;
  }
  public ListDBObject> get(String collectionName,BasicDBObject query,BasicDBObject orderBy,int n,int pageSize ){
    DB db = mongo_read.getDB(dataBaseName);
    DBCollection dbc = db.getCollection(collectionName);  
    ListDBObject> dboList = dbc.find(query).sort(orderBy).skip(n).limit(pageSize).toArray();
    return dboList;
  }
  public ListDBObject> get(String collectionName,BasicDBObject query,int top ){
    DB db = mongo_read.getDB(dataBaseName);
    DBCollection dbc = db.getCollection(collectionName);  
    ListDBObject> dboList = dbc.find(query).skip(0).limit(top).toArray();

    return dboList;
  }
  public ListDBObject> get(String collectionName,DBObject query,DBObject orderBy,int batchSize){
//   DB db = MongoManager.getDB(dataBaseName);
    DB db = mongo_read.getDB(dataBaseName);
    DBCollection dbc = db.getCollection(collectionName);
    return dbc.find(query).sort(orderBy).limit(batchSize).toArray();
  }

  public int reomve(String collectionName,BasicDBObject o){
//   DB db = MongoManager.getDB(dataBaseName);
    DB db = mongo_write.getDB(dataBaseName);
    DBCollection dbc = db.getCollection(collectionName);
    return dbc.remove(o).getN();
  }

  public int edit(String collectionName,BasicDBObject query,BasicDBObject update){
//   DB db = MongoManager.getDB(dataBaseName);
    DB db = mongo_write.getDB(dataBaseName);
    DBCollection dbc = db.getCollection(collectionName);
    return dbc.update(query, update).getN();
    //return dbc.updateMulti(query, update).getN();
  }

  public int edit(String cmd){
//   DB db = MongoManager.getDB(dataBaseName);
    DB db = mongo.getDB(dataBaseName);
    CommandResult cmdResult = db.command(cmd);
    if(cmdResult.ok())
    {
      return 1;
    }
    return 0;
  }

// public DBCollection get(String collectionName){
////    DB db = MongoManager.getDB(dataBaseName);
//   DB db = mongo.getDB(dataBaseName);
//   return db.getCollection(collectionName);
// }
  public void setMongo(Mongo mongo) {
    this.mongo = mongo;
  }
  public void setMongo_read(Mongo mongo_read) {
    this.mongo_read = mongo_read;
  }
  public void setMongo_write(Mongo mongo_write) {
    this.mongo_write = mongo_write;
  }



}

感謝閱讀,希望能幫助到大家,謝謝大家對本站的支持!

您可能感興趣的文章:
  • Python實現讀取SQLServer數據并插入到MongoDB數據庫的方法示例
  • Python實現批量讀取圖片并存入mongodb數據庫的方法示例
  • python讀取json文件并將數據插入到mongodb的方法
  • 了不起的node.js讀書筆記之mongodb數據庫交互
  • mongodb的寫操作
  • mongodb與sql關系型數據比較
  • mongodb使用c#驅動數據插入demo
  • c#操作mongodb插入數據效率
  • mongodb實現數組對象求和方法實例
  • Mongodb讀數據操作

標簽:自貢 無錫 廈門 遼陽 雞西 玉林 泰安 興安盟

巨人網絡通訊聲明:本文標題《mongoDB 實現主從讀寫分離實現的實例代碼》,本文關鍵詞  mongoDB,實現,主從,讀寫,分離,;如發現本文內容存在版權問題,煩請提供相關信息告之我們,我們將及時溝通與處理。本站內容系統采集于網絡,涉及言論、版權與本站無關。
  • 相關文章
  • 下面列出與本文章《mongoDB 實現主從讀寫分離實現的實例代碼》相關的同類信息!
  • 本頁收集關于mongoDB 實現主從讀寫分離實現的實例代碼的相關信息資訊供網民參考!
  • 推薦文章
    主站蜘蛛池模板: 吃瓜网最新官网地址| 美女高清在线看免费观看| 麻豆精产三产区区别| 裸玩稚嫩乖女hh| 局长解开了她的乳罩| 精品午夜熟女人妻视频毛片| 周晓琳变态aⅴ视频全集| 99久久亚洲欧美天堂狼人久久碰| 男女互添下边动态图| 男男各种play| 中国特级片| 大学生野外毛片A片| 中国女人与黑人做爰| 精品福利视频网| 一进一出bgm60分钟有声音吗| 强制被迫年下bl高H| 亚洲日韩精品高潮无码久久岛国久| 在线观看亚洲国产| 彭丹大尺度做爰未删减| 另类 长篇 校园 人妻| 快射视频网!!| 成人自拍电影| 饶平县| 搞黄网址| 国产视频不卡| 国产成人一区二区三区A片免费| 泳池激情2韩国无删减版| 久久伦理影院| 中出夏目彩春妇科检查| 狠狠色婷婷狠狠狠亚洲综合| 主攻攻控巨肉高H推文| 欧美福利网址| 日夜不停干劲十足的四字成语| 免费的黄色网| 火辣人妻-ThePorn| 午夜肉伦伦影院无码不卡动漫| 美女用手扒开自己的下面| 王者荣耀貂蝉被到爽漫画| 动漫精品男同gay3d| 99久天堂AV在线播放软件 | 最新亚洲AV一区二区精品莹莹 |