Merge pull request #15 from Tave12st-Backend-Study/limjunhyoung

[Week1] [Chapter1~3] Limjunhyoung

임준형/basic/reviewjpa/.gitignore

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+target/
+!.mvn/wrapper/maven-wrapper.jar
+!**/src/main/**/target/
+!**/src/test/**/target/
+
+### IntelliJ IDEA ###
+.idea/modules.xml
+.idea/jarRepositories.xml
+.idea/compiler.xml
+.idea/libraries/
+*.iws
+*.iml
+*.ipr
+
+### Eclipse ###
+.apt_generated
+.classpath
+.factorypath
+.project
+.settings
+.springBeans
+.sts4-cache
+
+### NetBeans ###
+/nbproject/private/
+/nbbuild/
+/dist/
+/nbdist/
+/.nb-gradle/
+build/
+!**/src/main/**/build/
+!**/src/test/**/build/
+
+### VS Code ###
+.vscode/
+
+### Mac OS ###
+.DS_Store

임준형/basic/reviewjpa/pom.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<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>jpabasic</groupId>
+    <artifactId>reviewjpa</artifactId>
+    <version>1.0-SNAPSHOT</version>
+
+    <properties>
+        <maven.compiler.source>11</maven.compiler.source>
+        <maven.compiler.target>11</maven.compiler.target>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+    </properties>
+
+    <dependencies>
+        <!-- JPA 하이버네이트 -->
+        <dependency>
+            <groupId>org.hibernate</groupId>
+            <artifactId>hibernate-entitymanager</artifactId>
+            <version>5.3.10.Final</version>
+        </dependency>
+        <!-- H2 데이터베이스 -->
+        <dependency>
+            <groupId>com.h2database</groupId>
+            <artifactId>h2</artifactId>
+            <version>1.4.199</version>
+        </dependency>
+
+        <dependency>
+            <groupId>org.projectlombok</groupId>
+            <artifactId>lombok</artifactId>
+            <version>1.18.22</version>
+            <scope>provided</scope>
+        </dependency>
+
+<!--        java 11은 아래의 의존성 필수 -->
+
+        <!-- JAXB Dependency -->
+        <dependency>
+            <groupId>javax.xml.bind</groupId>
+            <artifactId>jaxb-api</artifactId>
+            <version>2.3.1</version>
+        </dependency>
+
+
+    </dependencies>
+</project>

임준형/basic/reviewjpa/src/main/java/reviewjpa/JpaMain.java

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+package reviewjpa;
+
+import javax.persistence.EntityManager;
+import javax.persistence.EntityManagerFactory;
+import javax.persistence.EntityTransaction;
+import javax.persistence.Persistence;
+import java.util.List;
+
+public class JpaMain {
+    public static void main(String[] args) {
+
+        EntityManagerFactory emFactory = Persistence.createEntityManagerFactory("hello");
+        EntityManager em = emFactory.createEntityManager();
+        // code 시작
+
+        EntityTransaction tx = em.getTransaction();
+        tx.begin(); // transaction 시작
+
+        try {
+
+            Member member = em.find(Member.class, 1L);
+            member.setName("ㅁㅁㅁㅁ");
+
+            // JPA에서 관리 안함
+            em.detach(member);
+
+            System.out.println("--------------------");
+            tx.commit(); // 성공하면 커밋
+
+        } catch (Exception e) {
+            tx.rollback(); // 실패하면 롤백
+        } finally {
+            em.close();
+        }
+
+        emFactory.close();
+        // code 끝
+    }
+}

임준형/basic/reviewjpa/src/main/java/reviewjpa/Member.java

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+package reviewjpa;
+
+import lombok.*;
+
+import javax.persistence.Column;
+import javax.persistence.Entity;
+import javax.persistence.Id;
+import javax.persistence.Table;
+
+@Entity
+@Setter
+@Getter
+@NoArgsConstructor
+@AllArgsConstructor
+public class Member {
+
+    @Id
+    private Long id;
+
+    private String name;
+}

임준형/basic/reviewjpa/src/main/resources/META-INF/persistence.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<persistence version="2.2"
+             xmlns="http://xmlns.jcp.org/xml/ns/persistence" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+             xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/persistence http://xmlns.jcp.org/xml/ns/persistence/persistence_2_2.xsd">
+    <persistence-unit name="hello">
+        <properties>
+            <!-- 필수 속성 -->
+            <property name="javax.persistence.jdbc.driver" value="org.h2.Driver"/>
+            <property name="javax.persistence.jdbc.user" value="sa"/>
+            <property name="javax.persistence.jdbc.password" value=""/>
+            <property name="javax.persistence.jdbc.url" value="jdbc:h2:tcp://localhost/~/test"/>
+            <property name="hibernate.dialect" value="org.hibernate.dialect.H2Dialect"/>
+            <!-- 옵션 -->
+            <property name="hibernate.show_sql" value="true"/>
+            <property name="hibernate.format_sql" value="true"/>
+            <property name="hibernate.use_sql_comments" value="true"/>
+<!--            <property name="hibernate.hbm2ddl.auto" value="create" />-->
+        </properties>
+    </persistence-unit>
+</persistence>