ivanov-void,
Да вот, я не в курсе, почему фреймворк zkoss в своей демке для класса Person(Имя, возраст) имеет 200 строк кода и это ещё без DTO\VO
package com.baculsoft.zk.bean;
import java.util.Date;
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/**
*
* @author edw
* @created Jan 5, 2011, 1:21:07 PM
* @purpose Person
*/
public class Person {
private String name;
private int age;
private String gender;
private Date birthdate;
public Person(String name, int age, String gender, Date birthdate) {
this.name = name;
this.age = age;
this.gender = gender;
this.birthdate = birthdate;
}
public Person() {
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public int getAge() {
return age;
}
public void setAge(int age) {
this.age = age;
}
public String getGender() {
return gender;
}
public void setGender(String gender) {
this.gender = gender;
}
public Date getBirthdate() {
return birthdate;
}
public void setBirthdate(Date birthdate) {
this.birthdate = birthdate;
}
}
==============================
<?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">
<hibernate-mapping>
<class catalog="test" name="com.baculsoft.zk.bean.Person" table="person">
<id name="name" type="string">
<column length="20" name="name"/>
<generator class="assigned"/>
</id>
<property name="gender" type="string">
<column length="10" name="gender"/>
</property>
<property name="birthdate" type="date">
<column length="10" name="birthdate"/>
</property>
<property name="age" type="java.lang.Integer">
<column name="age"/>
</property>
</class>
</hibernate-mapping>
==================
package com.baculsoft.zk.dao;
import com.baculsoft.zk.bean.Person;
import java.util.List;
import org.hibernate.Session;
// disini pake hibernate util bawaan zkoss
import org.zkoss.zkplus.hibernate.HibernateUtil;
public class PersonDAO {
public List<Person> findAll() throws Exception {
Session session = HibernateUtil.getSessionFactory().openSession();
return (List<Person>) session.createCriteria(Person.class).list();
}
public boolean delete(Person person) throws Exception {
if (person == null) {
throw new Exception("empty person");
}
Session session = HibernateUtil.getSessionFactory().openSession();
session.delete(person);
session.flush();
session.close();
return true;
}
public boolean insert(Person person) throws Exception {
if (person == null) {
throw new Exception("empty person");
}
Session session = HibernateUtil.getSessionFactory().openSession();
session.save(person);
session.flush();
session.close();
return true;
}
public boolean update(Person person) throws Exception {
if (person == null) {
throw new Exception("empty person");
}
Session session = HibernateUtil.getSessionFactory().openSession();
session.update(person);
session.flush();
session.close();
return true;
}
}
===============
package com.baculsoft.zk.service;
import com.baculsoft.zk.bean.Person;
import com.baculsoft.zk.dao.PersonDAO;
import java.util.List;
import org.apache.log4j.Logger;
import org.zkoss.zk.ui.util.GenericForwardComposer;
public class PersonService extends GenericForwardComposer {
private PersonDAO dao = new PersonDAO();
private Person person = new Person();
private Logger logger = Logger.getLogger(PersonService.class);
public Person getCurrent() {
return person;
}
public void setCurrent(Person person) {
this.person = person;
}
public List<Person> getAllPersons() {
try {
return dao.findAll();
} catch (Exception ex) {
logger.error(ex.getMessage(), ex);
return null;
}
}
public void onClick$add() {
try {
Person nowPerson = new Person(person.getName(), person.getAge(), person.getGender(), person.getBirthdate());
dao.insert(nowPerson);
} catch (Exception ex) {
logger.error(ex.getMessage(), ex);
}
}
public void onClick$update() {
try {
dao.update(person);
} catch (Exception ex) {
logger.error(ex.getMessage(), ex);
}
}
public void onClick$delete() {
try {
dao.delete(person);
} catch (Exception ex) {
logger.error(ex.getMessage(), ex);
}
}
}
- физические и логические, это когда Хранилище-одно, а физически может быть на 10 машинах.
На логической схеме по ГОСТ рисуется одним квадратиком.
