spring项目提供了对大数据的支持，Spring-data 项目，其中有关于Spring Data ForMongodb的，研究了一下，弄了个小示例参考一下。
application.xml
<?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/context
http://www.springframework.org/schema/context/spring-context-3.0.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-3.0.xsd">
<mongo:mongo host="localhost" port="27017" />
<bean id="mongoTemplate" class="org.springframework.data.document.mongodb.MongoTemplate">
<constructor-arg ref="mongo" />
<constructor-arg name="databaseName" value="his" />
<constructor-arg name="defaultCollectionName" value="person" />
</bean>
<bean id="personRepository" class="com.mongo.dao.impl.PersonRepository">
<property name="mongoTemplate" ref="mongoTemplate"></property>
</bean>
<context:annotation-config />
</beans>
Person.java
package com.nbey.data.forward.mongo.persistence;
import java.io.Serializable;
public class Person implements Serializable {
private static final long serialVersionUID = 3617931430808763429L;
private String id;
private String name;
private int age;
public Person() {
super();
}
public Person(String id, String name, int age) {
super();
this.id = id;
this.name = name;
this.age = age;
}
/**
* @return the id
*/
public String getId() {
return id;
}
/**
* @param id the id to set
*/
public void setId(String id) {
this.id = id;
}
/**
* @return the name
*/
public String getName() {
return name;
}
/**
* @param name the name to set
*/
public void setName(String name) {
this.name = name;
}
/**
* @return the age
*/
public int getAge() {
return age;
}
/**
* @param age the age to set
*/
public void setAge(int age) {
this.age = age;
}
/**
*
* @param name
* @param age
*/
public Person(String name, int age) {
super();
this.name = name;
this.age = age;
}
public String toString() {
return "Person[id="+id+",name="+name+",age="+age+"]";
}
}
interface AbstractRepository.java
package com.nbey.data.forward.mongo.manager;
import java.util.List;
import com.nbey.data.forward.mongo.persistence.Person;
public interface AbstractRepository {
/**
*
*<b>function:</b>��Ӷ���
* @author cuiran
* @createDate 2012-12-12 11:41:30
*/
public void insert(Person person);
/**
*
*<b>function:</b>���ID���Ҷ���
* @author cuiran
* @createDate 2012-12-12 11:41:41
*/
public Person findOne(String id);
/**
*
*<b>function:</b>��ѯ����
* @author cuiran
* @createDate 2012-12-12 16:26:06
*/
public List<Person> findAll();
public List<Person> findByRegex(String regex);
/**
*
*<b>function:</b>ɾ��ָ����ID����
* @author cuiran
* @createDate 2012-12-12 16:26:16
*/
public void removeOne(String id);
/**
*
*<b>function:</b>ɾ������
* @author cuiran
* @createDate 2012-12-12 16:25:40
*/
public void removeAll();
/**
* ͨ��ID�ҵ�����
*<b>function:</b>
* @author cuiran
* @createDate 2012-12-12 16:25:51
*/
public void findAndModify(String id);
}
PersonRepository.java
package com.nbey.data.forward.mongo.manager.impl;
import java.util.List;
import java.util.regex.Pattern;
import org.springframework.data.document.mongodb.MongoTemplate;
import org.springframework.data.document.mongodb.query.Criteria;
import org.springframework.data.document.mongodb.query.Query;
import org.springframework.data.document.mongodb.query.Update;
import org.springframework.transaction.annotation.Transactional;
import com.nbey.data.forward.mongo.manager.AbstractRepository;
import com.nbey.data.forward.mongo.persistence.Person;
@Transactional
public class PersonRepository implements AbstractRepository {
private MongoTemplate mongoTemplate;
/*
* (non-Javadoc)
*
* @see com.mongo.dao.AbstractRepository#findAll()
*/
@Override
public List<Person> findAll() {
// TODO Auto-generated method stub
return getMongoTemplate().find(new Query(), Person.class);
}
/*
* (non-Javadoc)
*
* @see com.mongo.dao.AbstractRepository#findAndModify(java.lang.String)
*/
@Override
public void findAndModify(String id) {
// TODO Auto-generated method stub
// new Query(Criteria.where("id").is(id)), new Update().inc("age", 3)
getMongoTemplate().updateFirst(new Query(Criteria.where("id").is(id)),
new Update().inc("age", 3));
}
/*
* (non-Javadoc)
*
* @see com.mongo.dao.AbstractRepository#findByRegex(java.lang.String)
*/
@Override
public List<Person> findByRegex(String regex) {
// TODO Auto-generated method stub
Pattern pattern = Pattern.compile(regex, Pattern.CASE_INSENSITIVE);
Criteria criteria = new Criteria("name").regex(pattern.toString());
return getMongoTemplate().find(new Query(criteria), Person.class);
}
/*
* (non-Javadoc)
*
* @see com.mongo.dao.AbstractRepository#findOne(java.lang.String)
*/
@Override
public Person findOne(String id) {
// TODO Auto-generated method stub
return getMongoTemplate().findOne(
new Query(Criteria.where("id").is(id)), Person.class);
}
/*
* (non-Javadoc)
*
* @see com.mongo.dao.AbstractRepository#insert(com.mongo.bean.Person)
*/
@Override
public void insert(Person person) {
// TODO Auto-generated method stub
getMongoTemplate().insert(person);
}
/*
* (non-Javadoc)
*
* @see com.mongo.dao.AbstractRepository#removeAll()
*/
@Override
public void removeAll() {
// TODO Auto-generated method stub
List<Person> list = this.findAll();
if (list != null) {
for (Person person : list) {
getMongoTemplate().remove(person);
}
}
}
/*
* (non-Javadoc)
*
* @see com.mongo.dao.AbstractRepository#removeOne(java.lang.String)
*/
@Override
public void removeOne(String id) {
// TODO Auto-generated method stub
Criteria criteria = Criteria.where("id").in(id);
if (criteria == null) {
Query query = new Query(criteria);
if (query != null
&& getMongoTemplate().findOne(query, Person.class) != null)
getMongoTemplate().remove(
getMongoTemplate().findOne(query, Person.class));
}
}
/**
* @return the mongoTemplate
*/
public MongoTemplate getMongoTemplate() {
return mongoTemplate;
}
/**
* @param mongoTemplate
* the mongoTemplate to set
*/
public void setMongoTemplate(MongoTemplate mongoTemplate) {
this.mongoTemplate = mongoTemplate;
}
}
Main.java
package com.nbey.data.forward.mongo.startup;
import java.util.List;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;
import com.nbey.data.forward.mongo.manager.AbstractRepository;
import com.nbey.data.forward.mongo.manager.impl.PersonRepository;
import com.nbey.data.forward.mongo.persistence.Person;
public class Main {
private static Log log = LogFactory.getLog(Main.class.getName());
private AbstractRepository pr = null;
public void init() {
ApplicationContext ctx = new ClassPathXmlApplicationContext(
"application.xml");
pr = (PersonRepository) ctx.getBean("personRepository");
}
public void insert() {
Person p = new Person("cuiran", 27);
pr.insert(p);
}
public void findOne() {
String id = "50c83cb552c2ceb0463177d6";
Person p = pr.findOne(id);
log.debug(p);
}
public void listAll() {
List<Person> list = pr.findAll();
for (Person p : list) {
log.debug(p.toString());
}
}
public void start() {
init();
insert();
listAll();
findOne();
}
public static void main(String[] args) {
// TODO Auto-generated method stub
Main t = new Main();
t.start();
}
}