MongoDB记录操作日志的Base类实现

<?xml version="1.0" encoding="UTF-8"?>
<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/beans http://www.springframework.org/schema/beans/spring-beans.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd http://www.springframework.org/schema/data/mongo http://www.springframework.org/schema/data/mongo/spring-mongo-1.0.xsd"> 
<!-- 加载mongodb的属性配置文件 -->
<bean class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
<property name="locations">
<list>
<value>classpath:mongodb.properties</value>
</list>
</property>
<property name="ignoreUnresolvablePlaceholders" value="true" />
</bean>

<!-- 定义mongo对象，对应的是mongodb官方jar包中的Mongo，replica-set设置集群副本的ip地址和端口 -->
<mongo:mongo id="mongo" replica-set="${mongo.hostport}">
<!-- 一些连接属性的设置 -->
<mongo:options connections-per-host="${mongo.connectionsPerHost}" />
</mongo:mongo>
<mongo:db-factory id="mongoDbFactory" dbname="${mongo.database}"
mongo-ref="mongo" username="${mongo.username}" password="${mongo.password}" />

<bean id="mongoTemplate" class="org.springframework.data.mongodb.core.MongoTemplate">
<constructor-arg name="mongoDbFactory" ref="mongoDbFactory"/>
</bean>

<bean id="mongoBase" class="com.oplog.db.MongoBase">
<property name="mongoTemplate" ref="mongoTemplate"/>
</bean>
</beans>

mongo.hostport=127.0.0.1:27017,127.0.0.1:27018,127.0.0.1:27019
mongo.database=operationlog
mongo.username=mongouser
mongo.password=123456!
mongo.connectionsPerHost=8
mongo.threadsAllowedToBlockForConnectionMultiplier=4
#连接超时时间
mongo.connectTimeout=1000
#等待时间
mongo.maxWaitTime=1500
mongo.autoConnectRetry=true
mongo.socketKeepAlive=true
#Socket超时时间
mongo.socketTimeout=1500
mongo.slaveOk=true

package com.oplog.db;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import java.util.Map;

import javax.annotation.Resource;

import org.bson.types.ObjectId;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.data.mongodb.core.MongoTemplate;

import com.mongodb.BasicDBObject;
import com.mongodb.DB;
import com.mongodb.DBCollection;
import com.mongodb.DBCursor;
import com.mongodb.DBObject;

public  class MongoBase {

private static final Logger logger = LoggerFactory.getLogger(MongoBase.class);

protected String database;

protected static final SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");

@Resource(name="mongoTemplate")
private MongoTemplate mongoTemplate;

public MongoBase() {

}

public MongoTemplate getMongoTemplate() {
return mongoTemplate;
}

public void setMongoTemplate(MongoTemplate mongoTemplate) {
this.mongoTemplate = mongoTemplate;
}

/**
* 根据数据库名称获取数据库对象
* @param DBName
* @return
*/
protected DB getMongoDB(String DBName){
return mongoTemplate.getDb();
}

/**
* 插入数据
* @param table
* @param params
* @return
*/
protected boolean insert(String table,Map<String,Object> params ){
boolean result=true;
try {
String uniqueId = getId();
params.put("_id", uniqueId);
BasicDBObject datas = new BasicDBObject(params);
DB db = this.getMongoDB(database);
DBCollection tableObj = db.getCollection(table);
tableObj.insert(datas);
} catch (Exception e) {
logger.error("插入数据到mongodb出错，database name:" + database + ",table:" + table + ",params:" + params+",insert errmsg:"+e.getMessage());
result=false;
}

return result;
}

/**
* 查询数据
* @param table
* @param params
* @param start	起始位置
* @param size 查询数量
* @return
*/
protected List<Map<String,Object>> query(String table,Map<String,Object> params,int start, int size){
List<Map<String,Object>> result=new ArrayList<Map<String,Object>>();
try {
BasicDBObject conditions = new BasicDBObject(params);
DB db = this.getMongoDB(database);
DBCollection tableObj = db.getCollection(table);
DBCursor cursor=tableObj.find(conditions).skip(start).limit(size).sort(new BasicDBObject("_id",-1));
while(cursor.hasNext()){
DBObject item=cursor.next();
processQueryResult(item,result);
}
} catch (Exception e) {
logger.error("从mongodb查询数据出错，database name:" + database + ",table:" + table + ",params:" + params+",start:"+start+",size:"+size+",querylist errmsg:"+e.getMessage());
}
return result;
}

protected long queryCount(String table,Map<String,Object> params){
long totalcount=0;
try{
BasicDBObject conditions = new BasicDBObject(params);
DB db = this.getMongoDB(database);
DBCollection tableObj = db.getCollection(table);
totalcount=tableObj.count(conditions);
}catch(Exception e){
logger.error("从mongodb查询数据总数出错,database name:" + database + ",table:" + table + ",params:" + params+",querycount:"+e.getMessage());
}
return totalcount;
}

protected boolean update(String table,Map<String,Object> params,Map<String,Object> updateData){
boolean result=true;
try{
BasicDBObject condtions=new BasicDBObject(params);
BasicDBObject datas=new BasicDBObject(updateData);
DB db=this.getMongoDB(database);
DBCollection tableObj=db.getCollection(table);
int count=tableObj.update(condtions, new BasicDBObject("$set",datas),false,true).getN();
if(count<1){
result=false;
logger.info("mongodb更新数据失败,database name:" + database + ",table:" + table + ",params:" + params+",updatedata:"+updateData);
}
}catch(Exception e){
logger.error("mongodb修改数据出错，database name:" + database + ",table:" + table + ",params:" + params+",updatedata:"+updateData+",update errmsg:"+e.getMessage());
result=false;
}
return result;
}

protected boolean deleleOne(String table,Map<String,Object> params){
boolean result=true;
try{
BasicDBObject conditions=new BasicDBObject(params);
DB db=this.getMongoDB(database);
DBCollection tableObj=db.getCollection(table);
int count=tableObj.remove(conditions).getN();
if(count<1){
result=false;
logger.info("从mongodb删除数据失败,database name:" + database + ",table:" + table + ",params:" + params);
}
}catch(Exception e){
logger.error("从mongodb删除数据出错，database name:" + database + ",table:" + table + ",params:" + params+",deleteone errmsg:"+e.getMessage());
result=false;
}
return result;
}

/**
* 获取主键
* @return
*/
protected String getId(){
return ObjectId.get().toString();
}

protected String getDatabase() {
return database;
}

protected void setDatabase(String database) {
this.database = database;
}

@SuppressWarnings("unchecked")
private void processQueryResult(DBObject item,List<Map<String,Object>> result){
if(null==item){
return;
}
for(String key:item.keySet()){
Object value=item.get(key);
if(value instanceof Date){
Date dateValue=(Date)value;
String dateStr=dateFormat.format(dateValue);
item.put(key,dateStr);
}
}
result.add(item.toMap());
}

}