Entity

src/main/java/com/security/basic/persistence/model/Privilege.java

@@ -0,0 +1,24 @@
+package com.security.basic.persistence.model;
+
+import lombok.Getter;
+import lombok.Setter;
+
+import javax.persistence.*;
+import java.util.Collection;
+
+@Entity
+@Getter
+@Setter
+@Table(name = "privileges")
+public class Privilege {
+
+    @Id
+    @Column(unique = true, nullable = false)
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Long id;
+
+    private String name;
+
+    @ManyToMany(mappedBy = "privileges")
+    private Collection<Role> roles;
+}

src/main/java/com/security/basic/persistence/model/Role.java

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+package com.security.basic.persistence.model;
+
+import lombok.Getter;
+import lombok.Setter;
+
+import javax.persistence.*;
+import java.util.Collection;
+
+@Entity
+@Getter
+@Setter
+@Table(name = "roles")
+public class Role {
+
+    @Id
+    @Column(unique = true, nullable = false)
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Long id;
+
+    private String name;
+
+    @ManyToMany(mappedBy = "roles")
+    private Collection<User> users;
+
+    @ManyToMany
+    @JoinTable(
+            name = "roles_privileges",
+            joinColumns = @JoinColumn(name = "role_id", referencedColumnName = "id"),
+            inverseJoinColumns = @JoinColumn(name = "privilege_id", referencedColumnName = "id")
+    )
+    private Collection<Privilege> privileges;
+}

src/main/java/com/security/basic/persistence/model/User.java

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+package com.security.basic.persistence.model;
+
+import lombok.Getter;
+import lombok.Setter;
+
+import javax.persistence.*;
+import java.util.Collection;
+
+
+@Entity
+@Getter
+@Setter
+@Table(name = "users")
+public class User {
+
+    @Id
+    @Column(unique = true, nullable = false)
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Long id;
+
+    private String email;
+
+    private String password;
+
+    @ManyToMany(fetch = FetchType.EAGER)
+    @JoinTable(
+            name = "users_roles",
+            joinColumns = @JoinColumn(name = "user_id", referencedColumnName = "id"),
+            inverseJoinColumns = @JoinColumn(name = "role_id", referencedColumnName = "id")
+    )
+    private Collection<Role> roles;
+}