📍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>

unit-of-work/README.md

@@ -83,8 +83,8 @@ public interface IUnitOfWork<T> {
   void commit();
 }
 
+@Slf4j
 public class StudentRepository implements IUnitOfWork<Student> {
-  private static final Logger LOGGER = LoggerFactory.getLogger(StudentRepository.class);
 
   private final Map<String, List<Student>> context;
   private final StudentDatabase studentDatabase;

unit-of-work/src/main/java/com/iluwatar/unitofwork/Student.java

@@ -23,36 +23,18 @@
 
 package com.iluwatar.unitofwork;
 
+import lombok.Getter;
+import lombok.RequiredArgsConstructor;
+
 /**
  * {@link Student} is an entity.
  */
+@Getter
+@RequiredArgsConstructor
 public class Student {
+
   private final Integer id;
   private final String name;
   private final String address;
 
-  /**
-   * Constructor.
-   *
-   * @param id      student unique id
-   * @param name    name of student
-   * @param address address of student
-   */
-  public Student(Integer id, String name, String address) {
-    this.id = id;
-    this.name = name;
-    this.address = address;
-  }
-
-  public String getName() {
-    return name;
-  }
-
-  public Integer getId() {
-    return id;
-  }
-
-  public String getAddress() {
-    return address;
-  }
 }

unit-of-work/src/main/java/com/iluwatar/unitofwork/StudentRepository.java

@@ -26,29 +26,19 @@ package com.iluwatar.unitofwork;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.Map;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
 
 /**
  * {@link StudentRepository} Student database repository. supports unit of work for student data.
  */
+@Slf4j
+@RequiredArgsConstructor
 public class StudentRepository implements IUnitOfWork<Student> {
-  private static final Logger LOGGER = LoggerFactory.getLogger(StudentRepository.class);
 
   private final Map<String, List<Student>> context;
   private final StudentDatabase studentDatabase;
 
-  /**
-   * Constructor.
-   *
-   * @param context         set of operations to be perform during commit.
-   * @param studentDatabase Database for student records.
-   */
-  public StudentRepository(Map<String, List<Student>> context, StudentDatabase studentDatabase) {
-    this.context = context;
-    this.studentDatabase = studentDatabase;
-  }
-
   @Override
   public void registerNew(Student student) {
     LOGGER.info("Registering {} for insert in context.", student.getName());

unit-of-work/src/main/java/com/iluwatar/unitofwork/UnitActions.java

@@ -23,18 +23,15 @@
 
 package com.iluwatar.unitofwork;
 
+import lombok.Getter;
+import lombok.RequiredArgsConstructor;
+
+@Getter
+@RequiredArgsConstructor
 public enum UnitActions {
   INSERT("INSERT"),
   DELETE("DELETE"),
   MODIFY("MODIFY");
 
   private final String actionValue;
-
-  UnitActions(String actionValue) {
-    this.actionValue = actionValue;
-  }
-
-  public String getActionValue() {
-    return actionValue;
-  }
 }