PersonDAOImpl.java

package me.test.first.spring.jdo;

import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import java.util.Map;

import javax.jdo.PersistenceManager;
import javax.jdo.PersistenceManagerFactory;
import javax.jdo.Query;

import me.test.first.spring.jdo.entity.Person;
import me.test.first.spring.jdo.entity.QPerson;

import com.mysema.query.jdo.JDOQLQuery;
import com.mysema.query.jdo.JDOQLQueryImpl;

public class PersonDAOImpl implements PersonDAO {

    private PersistenceManagerFactory pmFactory;

    @SuppressWarnings("unchecked")
    public List<Person> list() {
        PersistenceManager pm = this.pmFactory.getPersistenceManager();
        try {
            Query query = pm.newQuery(Person.class, "id > query_id ");
            query.declareParameters("Long query_id");
            return (List<Person>) query.execute(1);
        } finally {
            pm.close();
        }
    }

    public void insert(Person person) {
        PersistenceManager pm = this.pmFactory.getPersistenceManager();
        try {
            pm.makePersistent(person);
        } finally {
            pm.close();
        }
    }

    public Person select(String id) {
        PersistenceManager pm = this.pmFactory.getPersistenceManager();
        try {
            pm.getFetchPlan().addGroup("imgData");
            return pm.getObjectById(Person.class, Long.valueOf(id));
        } finally {
            pm.close();
        }
    }

    public void update(Map<String, Object> person) {
        PersistenceManager pm = this.pmFactory.getPersistenceManager();
        try {
            Person p = pm.getObjectById(Person.class, person.get("id"));
            if (person.containsKey("name")) {
                p.setName((String) person.get("name"));
            }
            if (person.containsKey("age")) {
                p.setAge((Integer) person.get("age"));
            }
            if (person.containsKey("male")) {
                p.setMale((Boolean) person.get("male"));
            }
            if (person.containsKey("birthday")) {
                p.setBirthday((Date) person.get("birthday"));
            }
            if (person.containsKey("imgData")) {
                p.setImgData((byte[]) person.get("imgData"));
            }
        } finally {
            pm.close();
        }
    }

    public void delete(long id) {
        PersistenceManager pm = this.pmFactory.getPersistenceManager();
        try {
            Person p = pm.getObjectById(Person.class, id);
            pm.deletePersistent(p);
        } finally {
            pm.close();
        }
    }

    public List<Person> dslQuery() {
        PersistenceManager pm = this.pmFactory.getPersistenceManager();
        JDOQLQuery query = new JDOQLQueryImpl(pm);
        try {
            QPerson person = QPerson.person;
            List<Person> list = query.from(person)
                    .where(person.age.goe(22), person.name.startsWith("zhao"))
                    .list(person);
            return new ArrayList<Person>(list);
        } finally {
            query.close();
            pm.close();
        }

    }

    public void setPersistenceManagerFactory(PersistenceManagerFactory pmf) {
        this.pmFactory = pmf;
    }

    public void destroy() {
        System.out.println("dddddddddddddddddddddddddddddddd");
    }
}