relations between entities created

pom.xml

@@ -37,6 +37,11 @@
             <version>RELEASE</version>
             <scope>test</scope>
         </dependency>
+        <dependency>
+            <groupId>org.eclipse.jdt</groupId>
+            <artifactId>ecj</artifactId>
+            <version>3.28.0</version>
+        </dependency>
     </dependencies>
 
 </project>

src/main/java/org/example/FilmCategoryModel.java

@@ -1,6 +1,9 @@
 package org.example;
 import jakarta.persistence.*;
 
+import java.util.HashSet;
+import java.util.Set;
+
 @Entity
 @Table(name="category")
 public class FilmCategoryModel {
@@ -31,6 +34,9 @@ public class FilmCategoryModel {
         this.filmCategory = filmCategory;
     }
 
+    @OneToMany(mappedBy = "category_id", fetch = FetchType.LAZY)
+    private Set<FilmInfoModel> filmInfoSet = new HashSet<>();
+
     @Override
     public String toString() {
         return "Category{" +

src/main/java/org/example/FilmInfoModel.java

@@ -86,6 +86,18 @@ public class FilmInfoModel {
         this.filmCategory = filmCategory;
     }
 
+    @ManyToOne
+    @JoinColumn(name = "language_id")
+    private FilmLanguageModel filmLanguageModel;
+
+    @ManyToOne
+    @JoinColumn(name = "category_id")
+    private FilmCategoryModel filmCategoryModel;
+
+    @OneToOne
+    @JoinColumn(name = "film_id")
+    private FilmModel film;
+
     @Override
     public String toString() {
         return "FilmInfo{" +

src/main/java/org/example/FilmLanguageModel.java

@@ -1,6 +1,9 @@
 package org.example;
 import jakarta.persistence.*;
 
+import java.util.HashSet;
+import java.util.Set;
+
 @Entity
 @Table(name="language")
 public class FilmLanguageModel {
@@ -31,6 +34,9 @@ public class FilmLanguageModel {
         this.filmLanguage = filmLanguage;
     }
 
+    @OneToMany(mappedBy = "language_id", fetch = FetchType.LAZY)
+    private Set<FilmInfoModel> filmInfoSet = new HashSet<>();
+
     @Override
     public String toString() {
         return "Language{" +

src/main/java/org/example/FilmModel.java

@@ -31,6 +31,9 @@ public class FilmModel {
         this.filmTitle = filmTitle;
     }
 
+    @OneToOne(mappedBy = "film", cascade = CascadeType.ALL, fetch = FetchType.LAZY)
+    private FilmInfoModel filmInfo;
+
     @Override
     public String toString() {
         return "Film{" +