Identity Field Pattern

Author: Rehab-M-Esmail

Identity_Field/pom.xml

@@ -81,6 +81,29 @@
             <artifactId>spring-data-jpa</artifactId>
             <scope>test</scope>
         </dependency>
+        <dependency>
+            <groupId>org.springframework.data</groupId>
+            <artifactId>spring-data-jpa</artifactId>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework</groupId>
+            <artifactId>spring-context</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework</groupId>
+            <artifactId>spring-web</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.mockito</groupId>
+            <artifactId>mockito-core</artifactId>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.mockito</groupId>
+            <artifactId>mockito-core</artifactId>
+            <scope>test</scope>
+        </dependency>
     </dependencies>
 
 </project>

Identity_Field/src/main/java/com/iluwater/fieild/Controller/BookController.java

@@ -0,0 +1,31 @@
+package com.iluwater.fieild.Controller;
+import com.iluwater.fieild.Model.*;
+
+import com.iluwater.fieild.Model.Book;
+import com.iluwater.fieild.Services.BookService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.web.bind.annotation.*;
+
+@RestController
+@RequestMapping("/books")
+public class BookController {
+  private final BookService bookService;
+
+  @Autowired
+  public BookController(BookService bookService) {
+    this.bookService = bookService;
+  }
+
+  // Create a new book
+  @PostMapping
+  public Book createBook(@RequestBody String title, String Author) {
+    return bookService.createBook(title,Author);
+  }
+
+  // Get a book by ID
+  @GetMapping("/{id}")
+  public Book getBook(@PathVariable Long id) {
+    return bookService.getBookById(id);
+  }
+
+}

Identity_Field/src/main/java/com.iluwater.fieild/Book.java renamed to Identity_Field/src/main/java/com/iluwater/fieild/Model/Book.java

@@ -23,7 +23,7 @@
   * THE SOFTWARE.
 */
 
-package com.iluwater.fieild;
+package com.iluwater.fieild.Model;
 import lombok.Getter;
 import lombok.Setter;
 import javax.persistence.Entity;

Identity_Field/src/main/java/com.iluwater.fieild/Client.java renamed to Identity_Field/src/main/java/com/iluwater/fieild/Model/Client.java

@@ -22,8 +22,9 @@
   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
   * THE SOFTWARE.
 */
-package com.iluwater.fieild;
+package com.iluwater.fieild.Model;
 import java.util.regex.Pattern;
+
 import lombok.Getter;
 import lombok.Setter;
 import javax.persistence.Entity;

Identity_Field/src/main/java/com.iluwater.fieild/DomainObject.java renamed to Identity_Field/src/main/java/com/iluwater/fieild/Model/DomainObject.java

@@ -22,7 +22,7 @@
   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
   * THE SOFTWARE.
 */
-package com.iluwater.fieild;
+package com.iluwater.fieild.Model;
 /*
  * The DomainObject class provides a base for domain entities
  * that require unique identification within the application.

Identity_Field/src/main/java/com/iluwater/fieild/Services/BookRepository.java

@@ -0,0 +1,21 @@
+package com.iluwater.fieild.Services;
+import com.iluwater.fieild.Model.Book;
+import org.springframework.stereotype.Repository;
+import javax.persistence.EntityManager;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Objects;
+
+@Repository
+public class BookRepository {
+  private EntityManager entityManager;
+
+  public Book createBook(String title,String author) {
+    Book book = new Book(title, author);
+    entityManager.persist(book);
+    return book;
+  }
+  public Book getBookById(Long id) {
+    return entityManager.find(Book.class, id);
+  }
+}

Identity_Field/src/main/java/com/iluwater/fieild/Services/BookService.java

@@ -0,0 +1,22 @@
+package com.iluwater.fieild.Services;
+import com.iluwater.fieild.Model.*;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+import java.util.Objects;
+
+@Service
+public class BookService {
+
+  private final BookRepository bookRepository;
+
+  @Autowired
+  public BookService(BookRepository bookRepository) {
+    this.bookRepository = bookRepository;
+  }
+  public Book createBook(String title,String author) {
+    return bookRepository.createBook(title,author);
+  }
+  public Book getBookById(Long id) {
+    return bookRepository.getBookById(id);
+  }
+}

Identity_Field/src/test/java/com/iluwater/fieild/BookRepository.java

@@ -25,41 +25,48 @@
 
 package com.iluwater.fieild;
 
+import com.iluwater.fieild.Controller.BookController;
+import com.iluwater.fieild.Model.Book;
+import com.iluwater.fieild.Services.BookRepository;
+import com.iluwater.fieild.Services.BookService;
 import org.junit.jupiter.api.Test;
+import org.mockito.Mock;
 
 import static org.junit.jupiter.api.Assertions.*;
 
 class BookTest {
-  BookRepository bookRepository;
+  @Mock
+  private BookService bookService;
+  BookController bookController = new BookController(bookService);
   @Test
   void checkIdNotNull()
   {
-    Book book = bookRepository.createBook("Design patterns","someone");
+    Book book = bookController.createBook("Design patterns","someone");
     assertNotNull(book.getId());
   }
   @Test
   void checkTwoIdsNotEqual()
   {
-    Book book = bookRepository.createBook("Design patterns","someone");
-    Book book2 = bookRepository.createBook("Head first","someone");
+    Book book = bookController.createBook("Design patterns","someone");
+    Book book2 = bookController.createBook("Head first","someone");
     assertNotEquals(book.getId(),book2.getId());
   }
   @Test
   void checkTitleNotNull()
   {
-    Book book = bookRepository.createBook("Design patterns","someone");
+    Book book = bookController.createBook("Design patterns","someone");
     assertNotNull(book.getTitle());
   }
   @Test
   void checkAuthorNotNull()
   {
-    Book book = bookRepository.createBook("Design patterns","someone");
+    Book book = bookController.createBook("Design patterns","someone");
     assertNotNull(book.getAuthor());
   }
   void checkSearch()
   {
-    Book book = bookRepository.createBook("Design patterns","someone");
-    assertNotNull(bookRepository.getBookById(book.getId()));
+    Book book = bookController.createBook("Design patterns","someone");
+    assertNotNull(bookController.getBook(book.getId()));
 
   }
 

Identity_Field/src/test/java/com/iluwater/fieild/BookTest.java

@@ -1,14 +1,14 @@
 package com.iluwater.fieild;
 
-import javax.persistence.Persistence;
-import javax.persistence.EntityManagerFactory;
-import javax.persistence.EntityManager;
+import com.iluwater.fieild.Services.BookRepository;
+import com.iluwater.fieild.Services.BookService;
+import org.mockito.Mock;
 
 public class BookTestApp {
   private BookRepository bookRepository;
   public static void main(String... args) {
 
-  BookTest bt=new BookTest();
+    BookTest bt=new BookTest();
   bt.checkAuthorNotNull();
   bt.checkIdNotNull();
   bt.checkTitleNotNull();