feat: update data structure

Signed-off-by: Otavio Santana <otaviopolianasantana@gmail.com>

Author: otaviojava

src/main/java/org/soujava/demos/jakarta/App.java

@@ -12,20 +12,15 @@
 package org.soujava.demos.jakarta;
 
 
-import jakarta.data.Order;
-import jakarta.data.page.PageRequest;
+
 import jakarta.enterprise.inject.se.SeContainer;
 import jakarta.enterprise.inject.se.SeContainerInitializer;
 import net.datafaker.Faker;
 
 import java.util.logging.Logger;
 
 
-//define vehicle entity
-//basic operation with repository
-//find queries
-//bult in vs classic repositories
-//pagination (two types)
+
 
 public class App {
 
@@ -34,20 +29,18 @@ public class App {
     public static void main(String[] args) {
         var faker = new Faker();
         try (SeContainer container = SeContainerInitializer.newInstance().initialize()) {
-            var repository = container.select(Garage.class).get();
+            var garage = container.select(Garage.class).get();
 
             for (int index = 0; index < 10; index++) {
-                var vehicle = Vehicle.of(faker);
-                repository.parking(vehicle);
+                var vehicle = garage.park(Vehicle.of(faker));
             }
 
-            PageRequest pageRequest = PageRequest.ofSize(2);
-            var page = repository.findAll(pageRequest);
-            LOGGER.info(() -> "Page: " + page.content());
-            PageRequest page2 = page.nextPageRequest();
-            var page2Result = repository.findAll(page2);
-            LOGGER.info(() -> "Page2: " + page2Result.content());
+           var vehicles = garage.findByTransmission(Transmission.AUTOMATIC,
+                   _Vehicle.model.asc());
 
+            System.out.println("The vehicles with" +
+                    " automatic transmission are: "
+             + vehicles);
         }
     }
 

src/main/java/org/soujava/demos/jakarta/Garage.java

@@ -1,11 +1,9 @@
 package org.soujava.demos.jakarta;
 
-import jakarta.data.Order;
 import jakarta.data.Sort;
 import jakarta.data.page.CursoredPage;
 import jakarta.data.page.Page;
 import jakarta.data.page.PageRequest;
-import jakarta.data.repository.BasicRepository;
 import jakarta.data.repository.By;
 import jakarta.data.repository.Find;
 import jakarta.data.repository.OrderBy;
@@ -17,22 +15,27 @@
 import java.util.List;
 import java.util.stream.Stream;
 
-
 @Repository
-public interface Garage {
+public interface Garage  {
+
+    @Save
+    Vehicle park(Vehicle vehicle);
 
-    List<Vehicle> findByTransmission(Transmission transmission);
+    List<Vehicle> findByTransmission(Transmission transmission,
+                                     Sort<Vehicle> sort);
 
     @Find
-    List<Vehicle> findBy(@By("transmission") Transmission transmission, Sort<Vehicle> order);
+    List<Vehicle> byType(@By("transmission") Transmission transmission);
 
-    @Query("from Vehicle where transmission = :transmission order by type asc")
+    @Query("from Vehicle where transmission = :transmission")
     Stream<Vehicle> query(@Param("transmission") Transmission transmission);
 
-    @Save
-    Vehicle parking(Vehicle vehicle);
+    @Find
+    @OrderBy(_Vehicle.MODEL)
+    CursoredPage<Vehicle> cursor(PageRequest pageRequest);
+
 
     @Find
     @OrderBy(_Vehicle.MODEL)
-    CursoredPage<Vehicle> findAll(PageRequest pageRequest);
+    Page<Vehicle> offset(PageRequest pageRequest);
 }

src/main/java/org/soujava/demos/jakarta/Vehicle.java

@@ -12,15 +12,30 @@ public class Vehicle {
 
     @Id
     private String vin;
-    @Column
+   @Column
     private String model;
-
     @Column
     private String type;
-
     @Column
     private Transmission transmission;
 
+
+    public String getVin() {
+        return vin;
+    }
+
+    public String getModel() {
+        return model;
+    }
+
+    public String getType() {
+        return type;
+    }
+
+    public Transmission getTransmission() {
+        return transmission;
+    }
+
     public static Vehicle of(Faker faker) {
         var vehicle = faker.vehicle();
         Vehicle entity = new Vehicle();