initialization, bd created

.gitignore

+HELP.md
+target/
+!.mvn/wrapper/maven-wrapper.jar
+!**/src/main/**/target/
+!**/src/test/**/target/
+
+### STS ###
+.apt_generated
+.classpath
+.factorypath
+.project
+.settings
+.springBeans
+.sts4-cache
+
+### IntelliJ IDEA ###
+.idea
+*.iws
+*.iml
+*.ipr
+
+### NetBeans ###
+/nbproject/private/
+/nbbuild/
+/dist/
+/nbdist/
+/.nb-gradle/
+build/
+!**/src/main/**/build/
+!**/src/test/**/build/
+
+### VS Code ###
+.vscode/

pom.xml

+<?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 https://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <parent>
+        <groupId>org.springframework.boot</groupId>
+        <artifactId>spring-boot-starter-parent</artifactId>
+        <version>2.3.4.RELEASE</version>
+        <relativePath/> <!-- lookup parent from repository -->
+    </parent>
+    <groupId>com.yagudza</groupId>
+    <artifactId>demo</artifactId>
+    <version>0.0.1-SNAPSHOT</version>
+    <name>userRoleHandler</name>
+    <description>Demo project for Spring Boot</description>
+
+    <properties>
+        <java.version>11</java.version>
+    </properties>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-data-jpa</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-web</artifactId>
+        </dependency>
+
+<!--        <dependency>-->
+<!--            <groupId>com.h2database</groupId>-->
+<!--            <artifactId>h2</artifactId>-->
+<!--            <scope>runtime</scope>-->
+<!--        </dependency>-->
+        <dependency>
+        <groupId>mysql</groupId>
+        <artifactId>mysql-connector-java</artifactId>
+        <version>8.0.21</version>
+        </dependency>
+<!--        <dependency>-->
+<!--            <groupId>org.springframework.boot</groupId>-->
+<!--            <artifactId>spring-boot-starter-test</artifactId>-->
+<!--            <scope>test</scope>-->
+<!--            <exclusions>-->
+<!--                <exclusion>-->
+<!--                    <groupId>org.junit.vintage</groupId>-->
+<!--                    <artifactId>junit-vintage-engine</artifactId>-->
+<!--                </exclusion>-->
+<!--            </exclusions>-->
+<!--        </dependency>-->
+    </dependencies>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.springframework.boot</groupId>
+                <artifactId>spring-boot-maven-plugin</artifactId>
+            </plugin>
+        </plugins>
+    </build>
+
+</project>

src/main/java/com/yagudza/UserRoleHandlerApplication.java

+package com.yagudza;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class UserRoleHandlerApplication {
+
+    public static void main(String[] args) {
+        SpringApplication.run(UserRoleHandlerApplication.class, args);
+    }
+}

src/main/java/com/yagudza/domain/Roles.java

+package com.yagudza.domain;
+
+import javax.persistence.Entity;
+import javax.persistence.GeneratedValue;
+import javax.persistence.GenerationType;
+import javax.persistence.Id;
+
+@Entity
+public class Roles {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    long id;
+    String name;
+
+    public long getId() {
+        return id;
+    }
+
+    public void setId(long id) {
+        this.id = id;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+}

src/main/java/com/yagudza/domain/Users.java

+package com.yagudza.domain;
+
+import javax.persistence.*;
+import java.util.List;
+
+@Entity
+public class Users {
+    @Column(nullable = false)
+    private String name;
+    @Id
+    @Column(nullable = false)
+    private String login;
+    @Column(nullable = false)
+    private String password;
+
+
+    @ManyToMany(cascade = CascadeType.ALL, fetch = FetchType.EAGER)
+    @JoinTable(name = "user_roles",
+            uniqueConstraints = {@UniqueConstraint(columnNames = {"user_login", "role_id"})},
+            joinColumns = {@JoinColumn(name = "user_login", referencedColumnName = "login")}
+            , inverseJoinColumns = {@JoinColumn(name = "role_id", referencedColumnName = "id")
+    })
+    private List<Roles> roles;
+
+    public List<Roles> getRoles() {
+        return roles;
+    }
+
+    public void setRoles(List<Roles> roles) {
+        this.roles = roles;
+    }
+
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public String getLogin() {
+        return login;
+    }
+
+    public void setLogin(String login) {
+        this.login = login;
+    }
+
+    public String getPassword() {
+        return password;
+    }
+
+    public void setPassword(String password) {
+        this.password = password;
+    }
+}

src/main/resources/application.properties

+#spring.datasource.url=jdbc:h2:mem:testdb
+#spring.datasource.driverClassName=org.h2.Driver
+#spring.datasource.username=sa
+#spring.datasource.password=
+#spring.jpa.properties.hibernate.dialect=org.hibernate.dialect.H2Dialect
+
+spring.datasource.url=jdbc:mysql://localhost:3306/role?serverTimezone=UTC
+spring.datasource.driver-class-name=com.mysql.cj.jdbc.Driver
+spring.jpa.properties.hibernate.dialect = org.hibernate.dialect.MySQL8Dialect
+spring.datasource.username=root
+spring.datasource.password=root
+
+spring.jpa.show-sql=true
+spring.jpa.hibernate.ddl-auto=create
+
+spring.h2.console.enabled=true
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