Hibernate Spatial处理空间数据

hibernate.cfg.xml

<?xml version='1.0' encoding='UTF-8'?>

<!DOCTYPE hibernate-configuration PUBLIC

          "-//Hibernate/Hibernate Configuration DTD 3.0//EN"

          "http://hibernate.sourceforge.net/hibernate-configuration-3.0.dtd">

<!-- Generated by MyEclipse Hibernate Tools.                   -->

<hibernate-configuration>

<session-factory>

    <property name="dialect">org.hibernatespatial.postgis.PostgisDialect</property>

    <property name="connection.url">

        jdbc:postgresql://localhost:5432/postgis

    </property>

    <property name="connection.username">postgres</property>

    <property name="connection.password">ubiloc</property>

    <property name="connection.driver_class">

        org.postgresql.Driver

    </property>

    <property name="myeclipse.connection.profile">postgis</property>

    <property name="show_sql">true</property>

    <mapping resource="State.hbm.xml" />

</session-factory>

</hibernate-configuration>

State.hbm.xml

<?xml version="1.0" encoding="utf-8"?>

<!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0//EN"

"http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">

<!-- 

    Mapping file autogenerated by MyEclipse Persistence Tools

-->

<hibernate-mapping>

    <class name="State" table="state" schema="public">

        <id name="gid" type="Java.lang.Integer">

            <column name="gid" />

            <generator class="assigned" />

        </id>

        <property name="id" type="java.lang.Integer">

            <column name="id" />

        </property>

        <property name="geom" type="org.hibernatespatial.GeometryUserType">

            <column name="geom" />

        </property>

    </class>

</hibernate-mapping>

import com.vividsolutions.jts.geom.Point;

public class State {

   int gid;

   int id;

   Point geom;

public int getGid() {

    return gid;

}

public void setGid(int gid) {

    this.gid = gid;

}

public int getId() {

    return id;

}

public void setId(int id) {

    this.id = id;

}

public Point getGeom() {

    return geom;

}

public void setGeom(Point geom) {

    this.geom = geom;

}

   

}

import java.util.Iterator;

import java.util.List;

import org.hibernate.Query;

import org.hibernate.Session;

import org.hibernate.SessionFactory;

import org.hibernate.Transaction;

import org.hibernate.cfg.Configuration;

public class Test {

    /**

     * @param args

     * 注意postgis.jar包导入

     */

    public static void main(String[] args) {

        // TODO Auto-generated method stub

         Configuration config=new Configuration().configure();

            //从配置中取出SessionFactory

            SessionFactory factory=config.buildSessionFactory();

            //从SessionFactory中取出一个Session

            Session session=factory.openSession();

            Query query=session.createQuery("from State as s where s.id=:pid");

            //设置参数

            query.setInteger("pid", 4);

              List<State> result= query.list();

              

              for(State p:result){

                  System.out.println(p.getId());

                  System.out.println(p.getGeom());

               System.out.println("x:"+p.getGeom().getX());

               System.out.println("y:"+p.getGeom().getY());

               System.out.println(p.getGeom().getSRID());

              }

              

             

            

            session.close();

    }

}