Hibernate 3和4的HibernateUtil

最新推荐文章于 2025-12-01 13:49:36 发布

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Hibernate 3

1.Maven Dependency

<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>org.fool.hibernate</groupId>
	<artifactId>hibernate3.6</artifactId>
	<version>1</version>

	<properties>
		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
		<hibernate-version>3.6.10.Final</hibernate-version>
		<javassist-version>3.12.1.GA</javassist-version>
		<slf4j-nop-version>1.7.2</slf4j-nop-version>
		<junit-version>4.11</junit-version>
		<mysql-connector-version>5.1.23</mysql-connector-version>
	</properties>

	<dependencies>
		<dependency>
			<groupId>org.hibernate</groupId>
			<artifactId>hibernate-core</artifactId>
			<version>${hibernate-version}</version>
		</dependency>

		<dependency>
			<groupId>javassist</groupId>
			<artifactId>javassist</artifactId>
			<version>${javassist-version}</version>
		</dependency>

		<dependency>
			<groupId>org.slf4j</groupId>
			<artifactId>slf4j-nop</artifactId>
			<version>${slf4j-nop-version}</version>
		</dependency>

		<dependency>
			<groupId>mysql</groupId>
			<artifactId>mysql-connector-java</artifactId>
			<version>${mysql-connector-version}</version>
		</dependency>

	</dependencies>

	<build>
		<sourceDirectory>src</sourceDirectory>
		<plugins>
			<plugin>
				<artifactId>maven-compiler-plugin</artifactId>
				<version>3.0</version>
				<configuration>
					<source>1.7</source>
					<target>1.7</target>
				</configuration>
			</plugin>
		</plugins>
	</build>
</project>

2.HibernateUtil.java

package org.fool.util;

import org.hibernate.SessionFactory;
import org.hibernate.cfg.Configuration;

public class HibernateUtil
{

	private static SessionFactory sessionFactory;

	static
	{
		try
		{
			sessionFactory = new Configuration().configure()
					.buildSessionFactory();
		}
		catch (Exception e)
		{
			System.err.println("构造SessionFactory异常发生： " + e.getMessage());
		}

	}

	private HibernateUtil()
	{
	}

	public static SessionFactory getSessionFactory()
	{
		return sessionFactory;
	}

}

Hibernate 4

1.Maven Dependency

<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>Hibernate4.1</groupId>
	<artifactId>Hibernate4.1</artifactId>
	<version>1</version>
	<packaging>jar</packaging>

	<properties>
		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
		<hibernate-version>4.1.9.Final</hibernate-version>
		<hibernate-search-version>4.2.0.Final</hibernate-search-version>
		<junit-version>4.11</junit-version>
		<mysql-connector-version>5.1.23</mysql-connector-version>
	</properties>

	<dependencies>
		<dependency>
			<groupId>org.hibernate</groupId>
			<artifactId>hibernate-core</artifactId>
			<version>${hibernate-version}</version>
		</dependency>

		<dependency>
			<groupId>org.hibernate</groupId>
			<artifactId>hibernate-search</artifactId>
			<version>${hibernate-search-version}</version>
		</dependency>

		<dependency>
			<groupId>com.oracle</groupId>
			<artifactId>ojdbc6</artifactId>
			<version>11.2.0.1.0</version>
		</dependency>

		<dependency>
			<groupId>mysql</groupId>
			<artifactId>mysql-connector-java</artifactId>
			<version>${mysql-connector-version}</version>
		</dependency>
	</dependencies>

	<build>
		<sourceDirectory>src</sourceDirectory>
		<resources>
			<resource>
				<directory>src</directory>
				<excludes>
					<exclude>**/*.java</exclude>
				</excludes>
			</resource>
		</resources>
		<plugins>
			<plugin>
				<artifactId>maven-compiler-plugin</artifactId>
				<version>3.0</version>
				<configuration>
					<source>1.7</source>
					<target>1.7</target>
				</configuration>
			</plugin>
		</plugins>
	</build>
</project>

2.HibernateUtil.java

package org.fool.util;

import org.hibernate.SessionFactory;
import org.hibernate.cfg.Configuration;
import org.hibernate.service.ServiceRegistry;
import org.hibernate.service.ServiceRegistryBuilder;

public class HibernateUtil
{
	private static final SessionFactory sessionFactory;

	static
	{
		try
		{
			Configuration cfg = new Configuration().configure();
			ServiceRegistry serviceRegistry = new ServiceRegistryBuilder()
					.applySettings(cfg.getProperties()).buildServiceRegistry();

			sessionFactory = cfg.buildSessionFactory(serviceRegistry);
		}
		catch (Throwable e)
		{
			throw new ExceptionInInitializerError(e);
		}
	}

	private HibernateUtil()
	{
	}

	public static SessionFactory getSessionFactory()
	{
		return sessionFactory;
	}

}