📍Use lombok, reformat, and optimize the code (#1560)

* Use lombok, reformat, and optimize the code

* Fix merge conflicts and some sonar issues

Co-authored-by: va1m <va1m@email.com>

transaction-script/src/main/java/com/iluwatar/transactionscript/App.java

@@ -67,7 +67,7 @@ public class App {
 
     // Print room booking status
     getRoomStatus(dao);
-  
+
     var hotel = new Hotel(dao);
 
     // Book rooms

transaction-script/src/main/java/com/iluwatar/transactionscript/Hotel.java

@@ -23,11 +23,10 @@
 
 package com.iluwatar.transactionscript;
 
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
+import lombok.extern.slf4j.Slf4j;
 
+@Slf4j
 public class Hotel {
-  private static final Logger LOGGER = LoggerFactory.getLogger(App.class);
 
   private final HotelDaoImpl hotelDao;
 
@@ -65,7 +64,7 @@ public class Hotel {
    * @throws Exception if any error
    */
   public void cancelRoomBooking(int roomNumber) throws Exception {
-  
+
     var room = hotelDao.getById(roomNumber);
 
     if (room.isEmpty()) {

transaction-script/src/main/java/com/iluwatar/transactionscript/HotelDaoImpl.java

@@ -33,11 +33,10 @@ import java.util.function.Consumer;
 import java.util.stream.Stream;
 import java.util.stream.StreamSupport;
 import javax.sql.DataSource;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
+import lombok.extern.slf4j.Slf4j;
 
+@Slf4j
 public class HotelDaoImpl implements HotelDao {
-  private static final Logger LOGGER = LoggerFactory.getLogger(App.class);
 
   private final DataSource dataSource;
 

transaction-script/src/main/java/com/iluwatar/transactionscript/Room.java

@@ -23,9 +23,20 @@
 
 package com.iluwatar.transactionscript;
 
+import lombok.AllArgsConstructor;
+import lombok.EqualsAndHashCode;
+import lombok.Getter;
+import lombok.Setter;
+import lombok.ToString;
+
 /**
  * A room POJO that represents the data that will be read from the data source.
  */
+@Setter
+@Getter
+@ToString
+@EqualsAndHashCode
+@AllArgsConstructor
 public class Room {
 
   private int id;
@@ -33,91 +44,4 @@ public class Room {
   private int price;
   private boolean booked;
 
-  /**
-   * Create an instance of room.
-   * @param id room id
-   * @param roomType room type
-   * @param price room price
-   * @param booked room booking status
-   */
-  public Room(int id, String roomType, int price, boolean booked) {
-    this.id = id;
-    this.roomType = roomType;
-    this.price = price;
-    this.booked = booked;
-  }
-
-  public int getId() {
-    return id;
-  }
-
-  public void setId(int id) {
-    this.id = id;
-  }
-
-  public String getRoomType() {
-    return roomType;
-  }
-
-  public void setRoomType(String roomType) {
-    this.roomType = roomType;
-  }
-
-  public int getPrice() {
-    return price;
-  }
-
-  public void setPrice(int price) {
-    this.price = price;
-  }
-
-  public boolean isBooked() {
-    return booked;
-  }
-
-  public void setBooked(boolean booked) {
-    this.booked = booked;
-  }
-
-  @Override
-  public boolean equals(Object o) {
-    if (this == o) {
-      return true;
-    }
-    if (o == null || getClass() != o.getClass()) {
-      return false;
-    }
-
-    Room room = (Room) o;
-
-    if (id != room.id) {
-      return false;
-    }
-    if (price != room.price) {
-      return false;
-    }
-    if (booked != room.booked) {
-      return false;
-    }
-    return roomType.equals(room.roomType);
-  }
-
-  @Override
-  public int hashCode() {
-    int result = id;
-    result = 31 * result + roomType.hashCode();
-    result = 31 * result + price;
-    result = 31 * result + (booked ? 1 : 0);
-    return result;
-  }
-
-  @Override
-  public String toString() {
-    return "Room{"
-        + "id=" + id
-        + ", roomType=" + roomType
-        + ", price=" + price
-        + ", booked=" + booked
-        + '}';
-  }
 }