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1public class Task {
2    private int id;
3    private String desc;
4    private Timestamp create;
5    private boolean done; 
6    //гетеры и сеттеры... 
7}
8	
9<?xml version="1.0" encoding="utf-8" ?>
10<hibernate-configuration xmlns="http://www.hibernate.org/xsd/orm/cfg">
11    <session-factory>
12        <property name="connection.url">jdbc:postgresql://localhost:5432/todo_list</property>
13        <property name="connection.driver_class">org.postgresql.Driver</property>
14        <property name="connection.username">postgres</property>
15        <property name="connection.password">1</property>
16        <property name="dialect">org.hibernate.dialect.PostgreSQL95Dialect</property>
17
18        <mapping resource="ru.pravvich.model.Task.hbm.xml" />
19    </session-factory>
20</hibernate-configuration>
21	
22<hibernate-mapping xmlns="http://www.hibernate.org/xsd/hibernate-mapping">
23    <class name="ru.pravvich.model.Task">
24        <id name="id" column="id">
25            <generator class="identity" />
26        </id>
27        <property name="desc" column="description" />
28        <property name="done" column="done" />
29        <property name="create" column="create_time" />
30    </class>
31</hibernate-mapping>
32	
33final SessionFactory factory =
34       new Configuration().configure().buildSessionFactory();
35
36final Session session = factory.openSession();
37
38final Transaction transaction = session.beginTransaction();
39final Task task2 = new Task(3, "todo3",
40            new Timestamp(System.currentTimeMillis()), false);
41session.save(task2);
42session.close();
43factory.close();
44	
45CREATE TABLE IF NOT EXISTS tasks (
46    id SERIAL NOT NULL,
47    description TEXT NOT NULL,
48    done BOOLEAN NOT NULL,
49    create_time TIMESTAMP NOT NULL,
50    PRIMARY KEY (id)
51);