Hibernate4Maven

浏览数：33 / 时间：2015年06月09日

How to create a Maven project with Hibernate libs?

This blog will be a demo to describe this issue.

Using tools:

1. eclipse

2. maven

Now, we should look at the project structure :

the result at the console :

[INFO] Scanning for projects...
[INFO] 
[INFO] Using the builder org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder with a thread count of 1
[INFO]                                                                         
[INFO] ------------------------------------------------------------------------
[INFO] Building hibernate-4-maven 0.0.1-SNAPSHOT
[INFO] ------------------------------------------------------------------------
[INFO] 
[INFO] --- maven-clean-plugin:2.5:clean (default-clean) @ hibernate-4-maven ---
[INFO] Deleting D:\Development\j2ee\workspace\hibernate-4-maven\target
[INFO] 
[INFO] --- maven-resources-plugin:2.6:resources (default-resources) @ hibernate-4-maven ---
[INFO] Using ‘UTF-8‘ encoding to copy filtered resources.
[INFO] Copying 2 resources
[INFO] 
[INFO] --- maven-compiler-plugin:2.5.1:compile (default-compile) @ hibernate-4-maven ---
[INFO] Compiling 2 source files to D:\Development\j2ee\workspace\hibernate-4-maven\target\classes
[INFO] 
[INFO] --- maven-resources-plugin:2.6:testResources (default-testResources) @ hibernate-4-maven ---
[INFO] Using ‘UTF-8‘ encoding to copy filtered resources.
[INFO] skip non existing resourceDirectory D:\Development\j2ee\workspace\hibernate-4-maven\src\test\resources
[INFO] 
[INFO] --- maven-compiler-plugin:2.5.1:testCompile (default-testCompile) @ hibernate-4-maven ---
[INFO] Compiling 1 source file to D:\Development\j2ee\workspace\hibernate-4-maven\target\test-classes
[INFO] 
[INFO] --- maven-surefire-plugin:2.12.4:test (default-test) @ hibernate-4-maven ---
[INFO] Surefire report directory: D:\Development\j2ee\workspace\hibernate-4-maven\target\surefire-reports

-------------------------------------------------------
 T E S T S
-------------------------------------------------------
Running com.b510.hongten.hibernate4maven.TestUser
SLF4J: Failed to load class "org.slf4j.impl.StaticLoggerBinder".
SLF4J: Defaulting to no-operation (NOP) logger implementation
SLF4J: See http://www.slf4j.org/codes.html#StaticLoggerBinder for further details.
Hibernate: 
    select
        user0_.id as id0_,
        user0_.age as age0_,
        user0_.email as email0_,
        user0_.gender as gender0_,
        user0_.name as name0_ 
    from
        tab_user user0_
Id : 1 Name : Hongten  Gender : M  Age : 18 email : [email protected]
Hibernate: 
    insert 
    into
        tab_user
        (age, email, gender, name) 
    values
        (?, ?, ?, ?)
Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 1.298 sec

Results :

Tests run: 2, Failures: 0, Errors: 0, Skipped: 0

[INFO] ------------------------------------------------------------------------
[INFO] BUILD SUCCESS
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 3.151 s
[INFO] Finished at: 2014-11-01T23:32:56+08:00
[INFO] Final Memory: 11M/27M
[INFO] ------------------------------------------------------------------------

the result at the database :

==========================================================

// Source Code:

==========================================================

/hibernate-4-maven/src/main/java/com/b510/hongten/hibernate4maven/User.java

/**
 * 
 */
package com.b510.hongten.hibernate4maven;

import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.Id;
import javax.persistence.Table;

/**
 * @author Hongten
 * @created 2014年11月1日
 */
@Entity
@Table(name = "tab_user")
public class User {

    @Id
    @GeneratedValue
    private Integer id;
    private String name;
    @Column(columnDefinition = "int default 0")
    private Integer age;
    private String gender;
    private String email;

    public Integer getId() {
        return id;
    }

    public void setId(Integer id) {
        this.id = id;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public Integer getAge() {
        return age;
    }

    public void setAge(Integer age) {
        this.age = age;
    }

    public String getGender() {
        return gender;
    }

    public void setGender(String gender) {
        this.gender = gender;
    }

    public String getEmail() {
        return email;
    }

    public void setEmail(String email) {
        this.email = email;
    }
}

/hibernate-4-maven/src/main/java/com/b510/hongten/hibernate4maven/util/HibernateUtil.java

/**
 * 
 */
package com.b510.hongten.hibernate4maven.util;

import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.cfg.AnnotationConfiguration;

/**
 * @author Hongten
 * @created 2014年11月1日
 */
public class HibernateUtil {

    private static final SessionFactory sessionFactory;

    static {
        sessionFactory = new AnnotationConfiguration().configure()
                .buildSessionFactory();
    }

    public static Session getOpenSession() {
        return sessionFactory.openSession();
    }

    public static Session getCurrentSession() {
        return sessionFactory.getCurrentSession();
    }
}

/hibernate-4-maven/src/test/java/com/b510/hongten/hibernate4maven/TestUser.java

/**
 * 
 */
package com.b510.hongten.hibernate4maven;

import java.util.List;
import java.util.Random;

import junit.framework.Assert;

import org.hibernate.Query;
import org.hibernate.Session;
import org.junit.Test;

import com.b510.hongten.hibernate4maven.util.HibernateUtil;

/**
 * @author Hongten
 * @created 2014年11月1日
 */
public class TestUser {

    @Test
    public void testSave() {
        Session session = HibernateUtil.getOpenSession();
        session.beginTransaction();
        User user = new User();
        user.setAge(new Random().nextInt(22));
        user.setName("Hongten");
        user.setGender("M");
        user.setEmail("[email protected]");

        session.save(user);

        Assert.assertEquals(true, user.getId() > 0);

        session.getTransaction().commit();
    }

    @Test
    public void testUpdate() {
        Session session = HibernateUtil.getOpenSession();
        session.beginTransaction();
        Query query = session.createQuery("from User");
        List<User> list = query.list();
        for (User u : list) {
            System.out.println("Id : " + u.getId() + " Name : " + u.getName()
                    + "  Gender : " + u.getGender() + "  Age : " + u.getAge()
                    + " email : " + u.getEmail());
        }
        session.getTransaction().commit();
    }
}

/hibernate-4-maven/src/main/resources/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">

<hibernate-configuration>

    <session-factory>
        <property name="dialect">
            org.hibernate.dialect.MySQLDialect
        </property>
        <property name="connection.url">
            jdbc:mysql://localhost:3306/users
        </property>
        <property name="connection.username">root</property>
        <property name="connection.password">root</property>
        <property name="connection.driver_class">
            com.mysql.jdbc.Driver
        </property>
        <property name="show_sql">true</property>
        <property name="format_sql">true</property>
        <property name="current_session_context_class">thread</property>
        <property name="hbm2ddl.auto">update</property>
        
        <!-- Add POJO to here -->
        <mapping class="com.b510.hongten.hibernate4maven.User" />

    </session-factory>

</hibernate-configuration>

/hibernate-4-maven/src/main/resources/log4j.properties

 log4j.rootLogger=debug,consolelog4j.appender.console=org.apache.log4j.ConsoleAppender
 log4j.appender.console.layout=org.apache.log4j.PatternLayout
 log4j.appender.console.layout.ConversionPattern=%r  [%t]    %p - %c - %l - %m%n

/hibernate-4-maven/pom.xml

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>

    <groupId>com.b510.hongten</groupId>
    <artifactId>hibernate-4-maven</artifactId>
    <version>0.0.1-SNAPSHOT</version>
    <packaging>jar</packaging>

    <name>hibernate-4-maven</name>
    <url>http://maven.apache.org</url>

    <properties>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
    </properties>

    <dependencies>
        <!-- Configuration for Hibernate -->
        <dependency>
            <groupId>org.hibernate</groupId>
            <artifactId>hibernate-core</artifactId>
            <version>3.6.10.Final</version>
        </dependency>
        <dependency>
            <groupId>org.javassist</groupId>
            <artifactId>javassist</artifactId>
            <version>3.18.1-GA</version>
        </dependency>
        <!-- Configuration for mysql -->
        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
            <version>5.1.33</version>
        </dependency>
        <!-- Configuration for log4j -->
        <dependency>
            <groupId>log4j</groupId>
            <artifactId>log4j</artifactId>
            <version>1.2.17</version>
        </dependency>
        <!-- Configuration for junit -->
        <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
            <version>4.10</version>
            <scope>test</scope>
        </dependency>
    </dependencies>
</project>