add jpa module

jpa/README.md

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+# spring-boot-validation-examples
+
+```kotlin
+implementation ("org.springframework.boot:spring-boot-starter-validation")
+```
+
+## Annotations
+
+* @Digits
+* @Email
+* @Max
+* @Min
+* @Negative
+* @NotBlank
+* @NotEmpty
+* @NotNull
+* @Null
+* @Pattern
+* @Positive
+* @Size
+
+https://docs.jboss.org/hibernate/beanvalidation/spec/2.0/api/
+
+
+
+---
+developed by Elex
+
+https://www.elex-project.com

jpa/build.gradle.kts

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+/*
+ * Spring-boot Examples
+ *
+ * Copyright (c) 2024. Elex. All Rights Reserved.
+ * https://www.elex-project.com/
+ */
+
+plugins {
+    id("elex-spring-boot")
+    id("org.springframework.boot") version "3.2.3"
+    id("io.spring.dependency-management") version "1.1.4"
+}
+java {
+    sourceCompatibility = JavaVersion.VERSION_17
+}
+dependencies {
+    implementation("org.springframework.boot:spring-boot-starter-data-jpa")
+    implementation("org.springframework.boot:spring-boot-starter-thymeleaf")
+    implementation("org.springframework.boot:spring-boot-starter-web")
+
+    // https://mvnrepository.com/artifact/com.fasterxml.jackson.datatype/jackson-datatype-jsr310
+    implementation("com.fasterxml.jackson.datatype:jackson-datatype-jsr310")
+    runtimeOnly("org.mariadb.jdbc:mariadb-java-client")
+
+    implementation ("org.springframework.boot:spring-boot-starter-validation")
+
+    compileOnly("org.projectlombok:lombok")
+    developmentOnly("org.springframework.boot:spring-boot-devtools")
+
+    annotationProcessor("org.springframework.boot:spring-boot-configuration-processor")
+    annotationProcessor("org.projectlombok:lombok")
+
+    testImplementation("org.springframework.boot:spring-boot-starter-test")
+}

jpa/src/main/java/kr/pe/elex/examples/Application.java

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+/*
+ * Spring-boot Examples
+ *
+ * Copyright (c) 2021. Elex. All Rights Reserved.
+ * https://www.elex-project.com/
+ */
+
+package kr.pe.elex.examples;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class Application {
+
+	public static void main(String[] args) {
+		SpringApplication.run(Application.class, args);
+	}
+
+}

jpa/src/main/java/kr/pe/elex/examples/Config.java

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+/*
+ * Copyright (c) 2024. Elex. All Rights Reesrved.
+ * https://www.elex-project.com/
+ */
+
+package kr.pe.elex.examples;
+
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.scheduling.annotation.EnableScheduling;
+import org.springframework.scheduling.annotation.Scheduled;
+
+import java.time.LocalDateTime;
+import java.util.concurrent.TimeUnit;
+
+@Slf4j
+@Configuration
+@EnableScheduling
+public class Config {
+	@Autowired
+	private PersonRepository repository;
+	@Scheduled(fixedRate = 1, timeUnit = TimeUnit.MINUTES)
+	public void task1(){
+		log.info("TASK executed.");
+		repository.deleteAllInBatch(repository
+				.findByCreatedAtLessThan(LocalDateTime.now().minusMinutes(2)));
+	}
+}

jpa/src/main/java/kr/pe/elex/examples/MyController.java

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+/*
+ * Spring-boot Examples
+ *
+ * Copyright (c) 2021. Elex. All Rights Reserved.
+ * https://www.elex-project.com/
+ */
+
+package kr.pe.elex.examples;
+
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.*;
+
+import java.util.List;
+import java.util.stream.Collectors;
+
+@Slf4j
+@RestController
+public class MyController {
+	@Autowired
+	private PersonRepository repository;
+
+	@GetMapping({"/"})
+	public String index() {
+		return "home";
+	}
+	@GetMapping({"/list"})
+	public List<PersonDto> list() {
+		return repository.findAll().stream()
+				.map(PersonDto::of)
+				.collect(Collectors.toList());
+	}
+
+	@GetMapping(value = {"/add/{name}"})
+	public PersonDto addPerson(@PathVariable String name) {
+
+		Person person = repository.save(Person.builder().name(name).build());
+		return PersonDto.of(person);
+	}
+
+}

jpa/src/main/java/kr/pe/elex/examples/Person.java

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+/*
+ * Copyright (c) 2021-2024. Elex. All Rights Reesrved.
+ * https://www.elex-project.com/
+ */
+
+package kr.pe.elex.examples;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+import jakarta.persistence.*;
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+import org.hibernate.annotations.CreationTimestamp;
+
+import java.time.LocalDateTime;
+
+@Data
+@Entity
+@AllArgsConstructor@NoArgsConstructor
+@Builder
+public class Person {
+	@Id
+	@GeneratedValue(strategy = GenerationType.IDENTITY)
+	private long id;
+
+	@Column
+	private String name;
+
+	@Column
+	@CreationTimestamp
+	private LocalDateTime createdAt;
+}

jpa/src/main/java/kr/pe/elex/examples/PersonDto.java

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+/*
+ * Copyright (c) 2024. Elex. All Rights Reesrved.
+ * https://www.elex-project.com/
+ */
+
+package kr.pe.elex.examples;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+import com.fasterxml.jackson.databind.annotation.JsonDeserialize;
+import com.fasterxml.jackson.databind.annotation.JsonSerialize;
+import com.fasterxml.jackson.datatype.jsr310.deser.LocalDateTimeDeserializer;
+import com.fasterxml.jackson.datatype.jsr310.ser.LocalDateTimeSerializer;
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+import java.time.LocalDateTime;
+
+@Data
+@NoArgsConstructor@AllArgsConstructor
+@Builder
+public class PersonDto {
+	@JsonProperty
+	private Long id;
+	@JsonProperty
+	private String name;
+	@JsonProperty
+	@JsonSerialize(using = LocalDateTimeSerializer.class)
+	@JsonDeserialize(using = LocalDateTimeDeserializer.class)
+	private LocalDateTime createdAt;
+
+	public static PersonDto of(Person person){
+		return PersonDto.builder()
+				.id(person.getId())
+				.name(person.getName())
+				.createdAt(person.getCreatedAt())
+				.build();
+	}
+}

jpa/src/main/java/kr/pe/elex/examples/PersonRepository.java

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+/*
+ * Copyright (c) 2024. Elex. All Rights Reesrved.
+ * https://www.elex-project.com/
+ */
+
+package kr.pe.elex.examples;
+
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.stereotype.Repository;
+
+import java.time.LocalDateTime;
+import java.util.List;
+
+@Repository
+public interface PersonRepository extends JpaRepository<Person, Long> {
+	public List<Person> findByCreatedAtLessThan(LocalDateTime date);
+}

jpa/src/main/java/kr/pe/elex/examples/package-info.java

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+/*
+ * Spring-boot Examples
+ *
+ * Copyright (c) 2021. Elex. All Rights Reserved.
+ * https://www.elex-project.com/
+ */
+
+package kr.pe.elex.examples;

jpa/src/main/resources/application.yaml

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+spring:
+  application:
+    name: My spring-boot project
+  datasource:
+    url: jdbc:mariadb://localhost:3306/test
+    driver-class-name: org.mariadb.jdbc.Driver
+    username: testuser
+    password: _test_
+  jpa:
+    open-in-view: false
+    generate-ddl: true
+    show-sql: true
+    hibernate:
+      ddl-auto: update
+    properties:
+      hibernate:
+        dialect: org.hibernate.dialect.MariaDBDialect
+  thymeleaf:
+    prefix: classpath:/view/
+    suffix: .html
+server:
+  port: 8080

jpa/src/main/resources/banner.txt

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+   ('-.              ('-.  ) (`-.
+ _(  OO)           _(  OO)  ( OO ).
+(,------.,--.     (,------.(_/.  \_)-.
+ |  .---'|  |.-')  |  .---' \  `.'  /
+ |  |    |  | OO ) |  |      \     /\
+(|  '--. |  |`-' |(|  '--.    \   \ |
+ |  .--'(|  '---.' |  .--'   .'    \_)
+ |  `---.|      |  |  `---. /  .'.  \
+ `------'`------'  `------''--'   '--'
+powered by ELEX

jpa/src/main/resources/logback-spring.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+  ~ Spring-boot Examples
+  ~
+  ~ Copyright (c) 2020-2021. Elex. All Rights Reserved.
+  ~ https://www.elex-project.com/
+  -->
+
+<configuration>
+	<include resource="org/springframework/boot/logging/logback/defaults.xml"/>
+	<include resource="org/springframework/boot/logging/logback/console-appender.xml"/>
+
+	<springProperty name="LOG_DIR" source="logging.path"
+	                defaultValue="${user.home}/logs"/>
+	<property name="LOG_PATH" value="${LOG_DIR}/stephanie.log"/>
+
+	<appender name="CONSOLE" class="ch.qos.logback.core.ConsoleAppender">
+		<encoder>
+			<pattern>${CONSOLE_LOG_PATTERN}</pattern>
+		</encoder>
+	</appender>
+
+	<appender name="ROLLING-FILE" class="ch.qos.logback.core.rolling.RollingFileAppender">
+		<encoder class="ch.qos.logback.classic.encoder.PatternLayoutEncoder">
+			<charset>UTF-8</charset>
+			<pattern>${FILE_LOG_PATTERN}</pattern>
+		</encoder>
+		<file>${LOG_PATH}</file>
+		<rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
+			<fileNamePattern>${LOG_DIR}/sebastian_%d{yyyy-MM-dd}_%i.log.gz</fileNamePattern>
+			<timeBasedFileNamingAndTriggeringPolicy class="ch.qos.logback.core.rolling.SizeAndTimeBasedFNATP">
+				<maxFileSize>10MB</maxFileSize>
+			</timeBasedFileNamingAndTriggeringPolicy>
+			<maxHistory>60</maxHistory>
+		</rollingPolicy>
+	</appender>
+
+	<logger name="kr.pe.elex" level="debug" additivity="false">
+		<appender-ref ref="CONSOLE"/>
+		<appender-ref ref="ROLLING-FILE"/>
+	</logger>
+	<root level="info">
+		<appender-ref ref="CONSOLE"/>
+		<appender-ref ref="ROLLING-FILE"/>
+	</root>
+
+</configuration>

jpa/src/main/resources/templates/home.mustache

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+<h1>Test</h1>