com.hoo.entity;
import com.google.code.morphia.annotations.Entity;
import com.google.code.morphia.annotations.Id;
/**
* function: JavaEntity对象
* @author hoojo
* @createDate 2011-5-31上午11:45:21
* @file User.java
* @package com.hoo.entity
* @project Morphia
* @blog http://blog.csdn.net/IBM_hoojo
* @email hoojo_@126.com
* @version 1.0
*/
//利用morphia的annotation进行注解
@Entity
public class User {
@Id
private long id;
private String name;
private boolean sex;
private int age;
private String address;
public User() {
}
public User(long id, String name, boolean sex, int age, String address) {
super();
this.id = id;
this.name = name;
this.sex = sex;
this.age = age;
this.address = address;
}
//getter、setter
@Override
public String toString() {
return this.id + "#" + this.name + "#" + this.age + "#" + this.sex + "#" + this.address;
}
}
2、 对Morphia对象一些简单的使用，看看该对象提供了哪些基本的操作方法
package com.hoo.test.morphia;
import java.net.UnknownHostException;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import com.google.code.morphia.Datastore;
import com.google.code.morphia.EntityInterceptor;
import com.google.code.morphia.Morphia;
import com.google.code.morphia.mapping.MappedClass;
import com.google.code.morphia.mapping.Mapper;
import com.google.code.morphia.mapping.cache.EntityCache;
import com.hoo.entity.User;
import com.mongodb.BasicDBObjectBuilder;
import com.mongodb.Mongo;
import com.mongodb.MongoException;
/**
* function: morphia对象的简单测试
* @author hoojo
* @createDate 2011-5-31上午11:30:20
* @file MorphiaTest.java
* @package com.hoo.test
* @project Morphia
* @blog http://blog.csdn.net/IBM_hoojo
* @email hoojo_@126.com
* @version 1.0
*/
public class MorphiaTest {
private Mongo mongo;
private Morphia morphia;
@Before
public void init() {
try {
mongo = new Mongo();
} catch (UnknownHostException e) {
e.printStackTrace();
} catch (MongoException e) {
e.printStackTrace();
}
morphia = new Morphia();
}
private void print(Object o) {
if (o != null) {
System.out.println(o.toString());
}
}
/**
* function: morphia对象的简单测试
* @author hoojo
*/
@SuppressWarnings("deprecation")
@Test
public void testMorphia() {
// 创建一个Datastore，过时的方法不推荐使用
Datastore ds = morphia.createDatastore("myTestDB");
print("createDatastore: " + ds);
// 创建ds
ds = morphia.createDatastore(mongo, "myTestDB");
print("createDatastore: " + ds);
// 创建一个带用户名、密码的ds
//ds = morphia.createDatastore(mongo, "myTestDB", "admin", new char[] { '1', '2', '3', '4', '5', '6' });
// 设置操作资源对象，这里设置User.class 就可以完成对User的一系列操作
//morphia.map(User.class);
//morphia.mapPackage("com.hoo.entity");//会把整个包下面的类都加载进来
// 将对象转成DBObject
print("toDBObject: " + morphia.toDBObject(new User(System.currentTimeMillis(), "jackson", true, 22, null)));
// 将参数2转换成参数1的类型
print("fromDBObject: " + morphia.fromDBObject(User.class, BasicDBObjectBu |