[Hibernate] 단순 하이버네이트 예제

단순 하이버네이트 예제

- 하이버네이트만을 이용하면 세션의 열기/ 닫기와 예외처리를 개발자가 기술해야 하기 때문에 소스가 길어짐

- 트랜잭션은 명시적 트랜잭션이됨

- 비즈니스 로직층과 데이터 액세스 층의 강한 연결

1. 폴더구성

2. 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/maven-v4_0_0.xsd"> <modelVersion>4.0.0</modelVersion> <groupId>kyle</groupId> <artifactId>hibernate</artifactId> <packaging>war</packaging> <version>0.0.1-SNAPSHOT</version> <name>hibernate Maven Webapp</name> <url>http://maven.apache.org</url> <properties> <org.springframework.version>3.1.1.RELEASE</org.springframework.version> </properties> <dependencies> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-orm</artifactId> <version>${org.springframework.version}</version> </dependency> <dependency> <groupId>org.aspectj</groupId> <artifactId>aspectjweaver</artifactId> <version>1.6.8</version> </dependency> <dependency> <groupId>org.hibernate</groupId> <artifactId>hibernate-core</artifactId> <version>3.6.10.Final</version> </dependency> <dependency> <groupId>javassist</groupId> <artifactId>javassist</artifactId> <version>3.12.0.GA</version> </dependency> <dependency> <groupId>org.slf4j</groupId> <artifactId>slf4j-jcl</artifactId> <version>1.6.4</version> </dependency> <dependency> <groupId>log4j</groupId> <artifactId>log4j</artifactId> <version>1.2.16</version> </dependency> <dependency> <groupId>com.oracle</groupId> <artifactId>ojdbc6</artifactId> <version>11.1.0.7.0</version> </dependency> </dependencies> <repositories> <repository> <id>oracle</id> <name>ORACLE JDBC Repository</name> <url>http://maven.jahia.org/maven2</url> </repository> </repositories> <build> <finalName>hibernate</finalName> <plugins> <plugin> <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-compiler-plugin</artifactId> <version>2.3.2</version> <configuration> <source>1.7</source> </configuration> </plugin> <plugin> <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-war-plugin</artifactId> <version>2.4</version> <configuration> <warSourceDirectory>webapp</warSourceDirectory> </configuration> </plugin> </plugins> </build> </project>

- 오라클 사용

3. hibernate.cfg.xml

<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE hibernate-configuration PUBLIC "-//Hibernate/Hibernate Configuration DTD 3.0//EN" "http://www.hibernate.org/dtd/hibernate-configuration-3.0.dtd"> <hibernate-configuration> <session-factory> <property name="hbm2ddl.auto">create</property> <property name="dialect">org.hibernate.dialect.Oracle9Dialect</property> <property name="connection.url">jdbc:oracle:thin:@localhost:1521:orcl1</property> <property name="connection.username">HJEONG</property> <property name="connection.password">1111</property> <property name="connection.driver_class">oracle.jdbc.driver.OracleDriver</property> <property name="show_sql">true</property> <mapping resource="/META-INF/hibernate/Person.hbm.xml"></mapping> </session-factory> </hibernate-configuration>  

4. Person.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"> <hibernate-mapping> <class name="domain.Person" table="TEST"> <id name="num" column="NUM" type="java.lang.Integer"> <generator class="assigned"/> </id> <property name="code" column="CODE" type="java.lang.Integer"/> </class> </hibernate-mapping>  

5. NumDao.java

package dao; import org.hibernate.Session; import org.hibernate.Transaction; import org.hibernate.cfg.Configuration; import domain.Person; public class NumDao { public static int register(Person u){ int i=0; Session session=new Configuration(). configure().buildSessionFactory().openSession(); Transaction t=session.beginTransaction(); t.begin(); i=(Integer)session.save(u); t.commit(); session.close(); return i; } }  

https://github.com/KyleJeong/Hibernate