2021-03 spring-13-data-jpa added

2026-05-30 10:50:42 +00:00 · 2021-05-14 21:46:23 +04:00
parent 73588454a3
commit 7e5907087b
16 changed files with 353 additions and 0 deletions
@@ -0,0 +1,4 @@
+.idea/
+*.iml
+
+target/
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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>ru.otus</groupId>
+    <artifactId>spring-13-data-jpa</artifactId>
+    <version>1.0</version>
+
+    <packaging>pom</packaging>
+
+    <modules>
+        <module>spring-13-exercise</module>
+        <module>spring-13-solution</module>
+    </modules>
+</project>
@@ -0,0 +1,4 @@
+.idea/
+*.iml
+
+target/
@@ -0,0 +1,50 @@
+<?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>ru.otus</groupId>
+    <artifactId>spring-13-exercise</artifactId>
+    <version>1.0-SNAPSHOT</version>
+
+    <parent>
+        <groupId>org.springframework.boot</groupId>
+        <artifactId>spring-boot-starter-parent</artifactId>
+        <version>2.4.5</version>
+    </parent>
+
+    <properties>
+        <maven.compiler.source>11</maven.compiler.source>
+        <maven.compiler.target>11</maven.compiler.target>
+    </properties>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-data-jpa</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>com.h2database</groupId>
+            <artifactId>h2</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.projectlombok</groupId>
+            <artifactId>lombok</artifactId>
+            <optional>true</optional>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.springframework.boot</groupId>
+                <artifactId>spring-boot-maven-plugin</artifactId>
+            </plugin>
+        </plugins>
+    </build>
+</project>
@@ -0,0 +1,22 @@
+package ru.otus.springdata;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.context.ConfigurableApplicationContext;
+//import ru.otus.spring10.repostory.PersonRepository;
+
+
+@SpringBootApplication
+public class Main {
+
+    public static void main(String[] args) {
+        ConfigurableApplicationContext context = SpringApplication.run(Main.class);
+        //PersonRepository personRepository = context.getBean(PersonRepository.class);
+        //EmailRepository emailRepository = context.getBean(EmailRepository.class);
+
+        // personRepository.save(new Person("Pushkin"));
+        // personRepository.save(new Person("Lermontov"));
+    }
+
+
+}
@@ -0,0 +1,21 @@
+package ru.otus.springdata.domain;
+
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+@Data
+@NoArgsConstructor
+@AllArgsConstructor
+public class Email {
+
+    private long id;
+
+    private String address;
+
+    public Email(String address) {
+        this.address = address;
+    }
+
+}
@@ -0,0 +1,26 @@
+package ru.otus.springdata.domain;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+import javax.persistence.Entity;
+import javax.persistence.GeneratedValue;
+import javax.persistence.GenerationType;
+import javax.persistence.Id;
+
+@Data
+@NoArgsConstructor
+@AllArgsConstructor
+@Entity
+public class Person {
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private long id;
+
+    private String name;
+
+    public Person(String name) {
+        this.name = name;
+    }
+}
@@ -0,0 +1,4 @@
+package ru.otus.springdata.repository;
+
+public interface EmailRepository {
+}
@@ -0,0 +1,4 @@
+package ru.otus.springdata.repository;
+
+public interface PersonRepository {
+}
@@ -0,0 +1,4 @@
+.idea/
+*.iml
+
+target/
@@ -0,0 +1,55 @@
+<?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>ru.otus</groupId>
+    <artifactId>spring-13-solution</artifactId>
+    <version>1.0-SNAPSHOT</version>
+
+    <parent>
+        <groupId>org.springframework.boot</groupId>
+        <artifactId>spring-boot-starter-parent</artifactId>
+        <version>2.4.5</version>
+    </parent>
+
+    <properties>
+        <maven.compiler.source>11</maven.compiler.source>
+        <maven.compiler.target>11</maven.compiler.target>
+    </properties>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-data-jpa</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>com.h2database</groupId>
+            <artifactId>h2</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-test</artifactId>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.projectlombok</groupId>
+            <artifactId>lombok</artifactId>
+            <optional>true</optional>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.springframework.boot</groupId>
+                <artifactId>spring-boot-maven-plugin</artifactId>
+            </plugin>
+        </plugins>
+    </build>
+</project>
@@ -0,0 +1,48 @@
+package ru.otus.springdata;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.context.ConfigurableApplicationContext;
+import ru.otus.springdata.domain.Email;
+import ru.otus.springdata.domain.Person;
+import ru.otus.springdata.repository.EmailRepository;
+import ru.otus.springdata.repository.PersonRepository;
+
+@SpringBootApplication
+public class Main {
+
+    public static void main(String[] args) {
+        ConfigurableApplicationContext context = SpringApplication.run(Main.class);
+        PersonRepository personRepository = context.getBean(PersonRepository.class);
+        EmailRepository emailRepository = context.getBean(EmailRepository.class);
+
+        Email emailP = new Email("alex@pushkin.ru");
+        emailP = emailRepository.save(emailP);
+
+        Email emailL = new Email("michail@lermontov.ru");
+        emailL = emailRepository.save(emailL);
+
+        personRepository.save(new Person("Pushkin", emailP));
+        personRepository.save(new Person("Lermontov",emailL));
+
+        System.out.println("\n\nИщем Пушкина");
+        personRepository.findByName("Pushkin").ifPresent(System.out::println);
+
+        System.out.println("\n\nИщем всех пёрсонов");
+        System.out.println(emailRepository.findAll());
+
+        System.out.println("\n\nИщем Пушкина по его почте");
+        personRepository.findByEmailAddress("alex@pushkin.ru").ifPresent(System.out::println);
+
+        System.out.println("\n\nИщем почту Пушкина");
+        emailRepository.findByEmailAddress("alex@pushkin.ru").ifPresent(System.out::println);
+
+        System.out.println("\n\nОбновляем почту Лермонтову");
+        System.out.println("До обновления: " + emailL);
+        emailRepository.updateEmailById(emailL.getId(), "michail1984@lermontov.ru");
+        emailRepository.findById(emailL.getId()).ifPresent(e -> System.out.println("После обновления: " + e));
+
+        System.out.println("\n\n");
+
+    }
+}
@@ -0,0 +1,27 @@
+package ru.otus.springdata.domain;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+import javax.persistence.Entity;
+import javax.persistence.GeneratedValue;
+import javax.persistence.GenerationType;
+import javax.persistence.Id;
+
+@Data
+@NoArgsConstructor
+@AllArgsConstructor
+@Entity
+public class Email {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private long id;
+
+    private String address;
+
+    public Email(String address) {
+        this.address = address;
+    }
+}
@@ -0,0 +1,30 @@
+package ru.otus.springdata.domain;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+import javax.persistence.*;
+
+@Data
+@NoArgsConstructor
+@AllArgsConstructor
+@Entity
+public class Person {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private long id;
+
+    private String name;
+
+    @OneToOne(orphanRemoval = true)
+    @JoinColumn(name = "email_id")
+    private Email email;
+
+    public Person(String name, Email email) {
+        this.name = name;
+        this.email = email;
+    }
+
+}
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+package ru.otus.springdata.repository;
+
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.data.jpa.repository.Modifying;
+import org.springframework.data.jpa.repository.Query;
+import org.springframework.data.repository.query.Param;
+import org.springframework.transaction.annotation.Transactional;
+import ru.otus.springdata.domain.Email;
+
+import java.util.Optional;
+
+public interface EmailRepository extends JpaRepository<Email, Long> {
+
+    @Query("select e from Email e where e.address = :address")
+    Optional<Email> findByEmailAddress(@Param("address") String email);
+
+    @Modifying
+    @Transactional
+    @Query("update Email e set e.address = :address where e.id = :id")
+    void updateEmailById(@Param("id") long id, @Param("address") String address);
+}
@@ -0,0 +1,16 @@
+package ru.otus.springdata.repository;
+
+import org.springframework.data.repository.CrudRepository;
+import ru.otus.springdata.domain.Person;
+
+import java.util.List;
+import java.util.Optional;
+
+public interface PersonRepository extends CrudRepository<Person, Long> {
+
+    List<Person> findAll();
+
+    Optional<Person> findByName(String s);
+
+    Optional<Person> findByEmailAddress(String email);
+}