deps: Refactor dependencies (#3224)

* remove spring dep
move junit, logging, mockito under dep mgmt

* upgrade anti-corruption-layer deps

* async method invocation

* balking, bloc

* bridge to bytecode

* caching

* callback - cqrs

* component - health check

* hexagonal - metadata mapping

* rest of the patterns

* remove checkstyle, take spotless into use

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

@@ -31,18 +31,18 @@ import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
 /**
- * Transaction Script (TS) is one of the simplest domain logic pattern.
- * It needs less work to implement than other domain logic patterns, and therefore
- * it’s perfect fit for smaller applications that don't need big architecture behind them.
+ * Transaction Script (TS) is one of the simplest domain logic pattern. It needs less work to
+ * implement than other domain logic patterns, and therefore it’s perfect fit for smaller
+ * applications that don't need big architecture behind them.
  *
- * <p>In this example we will use the TS pattern to implement booking and cancellation
- * methods for a Hotel management App. The main method will initialise an instance of
- * {@link Hotel} and add rooms to it. After that it will book and cancel a couple of rooms
- * and that will be printed by the logger.</p>
+ * <p>In this example we will use the TS pattern to implement booking and cancellation methods for a
+ * Hotel management App. The main method will initialise an instance of {@link Hotel} and add rooms
+ * to it. After that it will book and cancel a couple of rooms and that will be printed by the
+ * logger.
  *
- * <p>The thing we have to note here is that all the operations related to booking or cancelling
- * a room like checking the database if the room exists, checking the booking status or the
- * room, calculating refund price are all clubbed inside a single transaction script method.</p>
+ * <p>The thing we have to note here is that all the operations related to booking or cancelling a
+ * room like checking the database if the room exists, checking the booking status or the room,
+ * calculating refund price are all clubbed inside a single transaction script method.
  */
 public class App {
 
@@ -50,9 +50,9 @@ public class App {
   private static final Logger LOGGER = LoggerFactory.getLogger(App.class);
 
   /**
-   * Program entry point.
-   * Initialises an instance of Hotel and adds rooms to it.
-   * Carries out booking and cancel booking transactions.
+   * Program entry point. Initialises an instance of Hotel and adds rooms to it. Carries out booking
+   * and cancel booking transactions.
+   *
    * @param args command line arguments
    * @throws Exception if any error occurs
    */
@@ -87,7 +87,6 @@ public class App {
     getRoomStatus(dao);
 
     deleteSchema(dataSource);
-
   }
 
   private static void getRoomStatus(HotelDaoImpl dao) throws Exception {
@@ -98,14 +97,14 @@ public class App {
 
   private static void deleteSchema(DataSource dataSource) throws java.sql.SQLException {
     try (var connection = dataSource.getConnection();
-         var statement = connection.createStatement()) {
+        var statement = connection.createStatement()) {
       statement.execute(RoomSchemaSql.DELETE_SCHEMA_SQL);
     }
   }
 
   private static void createSchema(DataSource dataSource) throws Exception {
     try (var connection = dataSource.getConnection();
-         var statement = connection.createStatement()) {
+        var statement = connection.createStatement()) {
       statement.execute(RoomSchemaSql.CREATE_SCHEMA_SQL);
     } catch (Exception e) {
       throw new Exception(e.getMessage(), e);

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

@@ -26,9 +26,7 @@ package com.iluwatar.transactionscript;
 
 import lombok.extern.slf4j.Slf4j;
 
-/**
- * Hotel class to implement TS pattern.
- */
+/** Hotel class to implement TS pattern. */
 @Slf4j
 public class Hotel {
 

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

@@ -27,9 +27,7 @@ package com.iluwatar.transactionscript;
 import java.util.Optional;
 import java.util.stream.Stream;
 
-/**
- * DAO interface for hotel transactions.
- */
+/** DAO interface for hotel transactions. */
 public interface HotelDao {
 
   Stream<Room> getAll() throws Exception;

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

@@ -36,9 +36,7 @@ import java.util.stream.StreamSupport;
 import javax.sql.DataSource;
 import lombok.extern.slf4j.Slf4j;
 
-/**
- * Implementation of database operations for Hotel class.
- */
+/** Implementation of database operations for Hotel class. */
 @Slf4j
 public class HotelDaoImpl implements HotelDao {
 
@@ -54,28 +52,31 @@ public class HotelDaoImpl implements HotelDao {
       var connection = getConnection();
       var statement = connection.prepareStatement("SELECT * FROM ROOMS"); // NOSONAR
       var resultSet = statement.executeQuery(); // NOSONAR
-      return StreamSupport.stream(new Spliterators.AbstractSpliterator<Room>(Long.MAX_VALUE,
-          Spliterator.ORDERED) {
+      return StreamSupport.stream(
+              new Spliterators.AbstractSpliterator<Room>(Long.MAX_VALUE, Spliterator.ORDERED) {
 
-        @Override
-        public boolean tryAdvance(Consumer<? super Room> action) {
-          try {
-            if (!resultSet.next()) {
-              return false;
-            }
-            action.accept(createRoom(resultSet));
-            return true;
-          } catch (Exception e) {
-            throw new RuntimeException(e); // NOSONAR
-          }
-        }
-      }, false).onClose(() -> {
-        try {
-          mutedClose(connection, statement, resultSet);
-        } catch (Exception e) {
-          LOGGER.error(e.getMessage());
-        }
-      });
+                @Override
+                public boolean tryAdvance(Consumer<? super Room> action) {
+                  try {
+                    if (!resultSet.next()) {
+                      return false;
+                    }
+                    action.accept(createRoom(resultSet));
+                    return true;
+                  } catch (Exception e) {
+                    throw new RuntimeException(e); // NOSONAR
+                  }
+                }
+              },
+              false)
+          .onClose(
+              () -> {
+                try {
+                  mutedClose(connection, statement, resultSet);
+                } catch (Exception e) {
+                  LOGGER.error(e.getMessage());
+                }
+              });
     } catch (Exception e) {
       throw new Exception(e.getMessage(), e);
     }
@@ -86,7 +87,7 @@ public class HotelDaoImpl implements HotelDao {
     ResultSet resultSet = null;
 
     try (var connection = getConnection();
-         var statement = connection.prepareStatement("SELECT * FROM ROOMS WHERE ID = ?")) {
+        var statement = connection.prepareStatement("SELECT * FROM ROOMS WHERE ID = ?")) {
 
       statement.setInt(1, id);
       resultSet = statement.executeQuery();
@@ -111,7 +112,7 @@ public class HotelDaoImpl implements HotelDao {
     }
 
     try (var connection = getConnection();
-         var statement = connection.prepareStatement("INSERT INTO ROOMS VALUES (?,?,?,?)")) {
+        var statement = connection.prepareStatement("INSERT INTO ROOMS VALUES (?,?,?,?)")) {
       statement.setInt(1, room.getId());
       statement.setString(2, room.getRoomType());
       statement.setInt(3, room.getPrice());
@@ -126,10 +127,9 @@ public class HotelDaoImpl implements HotelDao {
   @Override
   public Boolean update(Room room) throws Exception {
     try (var connection = getConnection();
-         var statement =
-             connection
-                 .prepareStatement("UPDATE ROOMS SET ROOM_TYPE = ?, PRICE = ?, BOOKED = ?"
-                     + " WHERE ID = ?")) {
+        var statement =
+            connection.prepareStatement(
+                "UPDATE ROOMS SET ROOM_TYPE = ?, PRICE = ?, BOOKED = ?" + " WHERE ID = ?")) {
       statement.setString(1, room.getRoomType());
       statement.setInt(2, room.getPrice());
       statement.setBoolean(3, room.isBooked());
@@ -143,7 +143,7 @@ public class HotelDaoImpl implements HotelDao {
   @Override
   public Boolean delete(Room room) throws Exception {
     try (var connection = getConnection();
-         var statement = connection.prepareStatement("DELETE FROM ROOMS WHERE ID = ?")) {
+        var statement = connection.prepareStatement("DELETE FROM ROOMS WHERE ID = ?")) {
       statement.setInt(1, room.getId());
       return statement.executeUpdate() > 0;
     } catch (Exception e) {
@@ -167,7 +167,8 @@ public class HotelDaoImpl implements HotelDao {
   }
 
   private Room createRoom(ResultSet resultSet) throws Exception {
-    return new Room(resultSet.getInt("ID"),
+    return new Room(
+        resultSet.getInt("ID"),
         resultSet.getString("ROOM_TYPE"),
         resultSet.getInt("PRICE"),
         resultSet.getBoolean("BOOKED"));

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

@@ -30,9 +30,7 @@ import lombok.Getter;
 import lombok.Setter;
 import lombok.ToString;
 
-/**
- * A room POJO that represents the data that will be read from the data source.
- */
+/** A room POJO that represents the data that will be read from the data source. */
 @Setter
 @Getter
 @ToString
@@ -44,5 +42,4 @@ public class Room {
   private String roomType;
   private int price;
   private boolean booked;
-
 }

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

@@ -24,16 +24,12 @@
  */
 package com.iluwatar.transactionscript;
 
-/**
- * Customer Schema SQL Class.
- */
+/** Customer Schema SQL Class. */
 public final class RoomSchemaSql {
 
   public static final String CREATE_SCHEMA_SQL =
       "CREATE TABLE ROOMS (ID NUMBER, ROOM_TYPE VARCHAR(100), PRICE INT, BOOKED VARCHAR(100))";
   public static final String DELETE_SCHEMA_SQL = "DROP TABLE ROOMS IF EXISTS";
 
-  private RoomSchemaSql() {
-  }
-
+  private RoomSchemaSql() {}
 }

transaction-script/src/test/java/com/iluwatar/transactionscript/AppTest.java

@@ -24,17 +24,15 @@
  */
 package com.iluwatar.transactionscript;
 
-import org.junit.jupiter.api.Test;
-
 import static org.junit.jupiter.api.Assertions.assertDoesNotThrow;
 
-/**
- * Tests that Transaction script example runs without errors.
- */
+import org.junit.jupiter.api.Test;
+
+/** Tests that Transaction script example runs without errors. */
 class AppTest {
 
   @Test
   void shouldExecuteWithoutException() {
-    assertDoesNotThrow(() -> App.main(new String[]{}));
+    assertDoesNotThrow(() -> App.main(new String[] {}));
   }
 }

transaction-script/src/test/java/com/iluwatar/transactionscript/HotelDaoImplTest.java

@@ -44,9 +44,7 @@ import org.junit.jupiter.api.Nested;
 import org.junit.jupiter.api.Test;
 import org.mockito.Mockito;
 
-/**
- * Tests {@link HotelDaoImpl}.
- */
+/** Tests {@link HotelDaoImpl}. */
 class HotelDaoImplTest {
 
   private static final String DB_URL = "jdbc:h2:mem:testdb;DB_CLOSE_DELAY=-1";
@@ -61,15 +59,13 @@ class HotelDaoImplTest {
   @BeforeEach
   void createSchema() throws SQLException {
     try (var connection = DriverManager.getConnection(DB_URL);
-         var statement = connection.createStatement()) {
+        var statement = connection.createStatement()) {
       statement.execute(RoomSchemaSql.DELETE_SCHEMA_SQL);
       statement.execute(RoomSchemaSql.CREATE_SCHEMA_SQL);
     }
   }
 
-  /**
-   * Represents the scenario where DB connectivity is present.
-   */
+  /** Represents the scenario where DB connectivity is present. */
   @Nested
   class ConnectionSuccess {
 
@@ -87,9 +83,7 @@ class HotelDaoImplTest {
       Assertions.assertTrue(result);
     }
 
-    /**
-     * Represents the scenario when DAO operations are being performed on a non-existing room.
-     */
+    /** Represents the scenario when DAO operations are being performed on a non-existing room. */
     @Nested
     class NonExistingRoom {
 
@@ -135,8 +129,7 @@ class HotelDaoImplTest {
     }
 
     /**
-     * Represents a scenario where DAO operations are being performed on an already existing
-     * room.
+     * Represents a scenario where DAO operations are being performed on an already existing room.
      */
     @Nested
     class ExistingRoom {
@@ -161,8 +154,8 @@ class HotelDaoImplTest {
       }
 
       @Test
-      void updationShouldBeSuccessAndAccessingTheSameRoomShouldReturnUpdatedInformation() throws
-          Exception {
+      void updationShouldBeSuccessAndAccessingTheSameRoomShouldReturnUpdatedInformation()
+          throws Exception {
         final var newRoomType = "Double";
         final var newPrice = 80;
         final var newBookingStatus = false;
@@ -222,7 +215,10 @@ class HotelDaoImplTest {
       final var newRoomType = "Double";
       final var newPrice = 80;
       final var newBookingStatus = false;
-      assertThrows(Exception.class, () -> dao.update(new Room(existingRoom.getId(), newRoomType, newPrice, newBookingStatus)));
+      assertThrows(
+          Exception.class,
+          () ->
+              dao.update(new Room(existingRoom.getId(), newRoomType, newPrice, newBookingStatus)));
     }
 
     @Test
@@ -234,7 +230,6 @@ class HotelDaoImplTest {
     void retrievingAllRoomsFailsWithExceptionAsFeedbackToClient() {
       assertThrows(Exception.class, () -> dao.getAll());
     }
-
   }
 
   /**
@@ -245,7 +240,7 @@ class HotelDaoImplTest {
   @AfterEach
   void deleteSchema() throws SQLException {
     try (var connection = DriverManager.getConnection(DB_URL);
-         var statement = connection.createStatement()) {
+        var statement = connection.createStatement()) {
       statement.execute(RoomSchemaSql.DELETE_SCHEMA_SQL);
     }
   }

transaction-script/src/test/java/com/iluwatar/transactionscript/HotelTest.java

@@ -35,9 +35,7 @@ import org.h2.jdbcx.JdbcDataSource;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
 
-/**
- * Tests {@link Hotel}
- */
+/** Tests {@link Hotel} */
 class HotelTest {
 
   private static final String H2_DB_URL = "jdbc:h2:mem:testdb;DB_CLOSE_DELAY=-1";
@@ -53,7 +51,6 @@ class HotelTest {
     dao = new HotelDaoImpl(dataSource);
     addRooms(dao);
     hotel = new Hotel(dao);
-
   }
 
   @Test
@@ -68,7 +65,6 @@ class HotelTest {
     assertThrows(Exception.class, () -> hotel.bookRoom(getNonExistingRoomId()));
   }
 
-
   @Test
   @SneakyThrows
   void bookingRoomAgainShouldRaiseException() {
@@ -103,17 +99,16 @@ class HotelTest {
     assertThrows(Exception.class, () -> hotel.cancelRoomBooking(1));
   }
 
-
   private static void deleteSchema(DataSource dataSource) throws java.sql.SQLException {
     try (var connection = dataSource.getConnection();
-         var statement = connection.createStatement()) {
+        var statement = connection.createStatement()) {
       statement.execute(RoomSchemaSql.DELETE_SCHEMA_SQL);
     }
   }
 
   private static void createSchema(DataSource dataSource) throws Exception {
     try (var connection = dataSource.getConnection();
-         var statement = connection.createStatement()) {
+        var statement = connection.createStatement()) {
       statement.execute(RoomSchemaSql.CREATE_SCHEMA_SQL);
     } catch (Exception e) {
       throw new Exception(e.getMessage(), e);
@@ -150,4 +145,4 @@ class HotelTest {
   private int getNonExistingRoomId() {
     return 999;
   }
-}
+}

transaction-script/src/test/java/com/iluwatar/transactionscript/RoomTest.java

@@ -30,9 +30,7 @@ import static org.junit.jupiter.api.Assertions.assertNotEquals;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
 
-/**
- * Tests {@link Room}.
- */
+/** Tests {@link Room}. */
 class RoomTest {
 
   private Room room;
@@ -90,7 +88,10 @@ class RoomTest {
 
   @Test
   void testToString() {
-    assertEquals(String.format("Room(id=%s, roomType=%s, price=%s, booked=%s)",
-        room.getId(), room.getRoomType(), room.getPrice(), room.isBooked()), room.toString());
+    assertEquals(
+        String.format(
+            "Room(id=%s, roomType=%s, price=%s, booked=%s)",
+            room.getId(), room.getRoomType(), room.getPrice(), room.isBooked()),
+        room.toString());
   }
 }