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

event-sourcing/pom.xml

@@ -34,6 +34,14 @@
   </parent>
   <artifactId>event-sourcing</artifactId>
   <dependencies>
+    <dependency>
+      <groupId>org.slf4j</groupId>
+      <artifactId>slf4j-api</artifactId>
+    </dependency>
+    <dependency>
+      <groupId>ch.qos.logback</groupId>
+      <artifactId>logback-classic</artifactId>
+    </dependency>
     <dependency>
       <groupId>org.junit.jupiter</groupId>
       <artifactId>junit-jupiter-engine</artifactId>

event-sourcing/src/main/java/com/iluwatar/event/sourcing/app/App.java

@@ -53,13 +53,10 @@ import lombok.extern.slf4j.Slf4j;
 @Slf4j
 public class App {
 
-  /**
-   * The constant ACCOUNT OF DAENERYS.
-   */
+  /** The constant ACCOUNT OF DAENERYS. */
   public static final int ACCOUNT_OF_DAENERYS = 1;
-  /**
-   * The constant ACCOUNT OF JON.
-   */
+
+  /** The constant ACCOUNT OF JON. */
   public static final int ACCOUNT_OF_JON = 2;
 
   /**
@@ -76,23 +73,24 @@ public class App {
 
     LOGGER.info("Creating the accounts............");
 
-    eventProcessor.process(new AccountCreateEvent(
-        0, new Date().getTime(), ACCOUNT_OF_DAENERYS, "Daenerys Targaryen"));
+    eventProcessor.process(
+        new AccountCreateEvent(0, new Date().getTime(), ACCOUNT_OF_DAENERYS, "Daenerys Targaryen"));
 
-    eventProcessor.process(new AccountCreateEvent(
-        1, new Date().getTime(), ACCOUNT_OF_JON, "Jon Snow"));
+    eventProcessor.process(
+        new AccountCreateEvent(1, new Date().getTime(), ACCOUNT_OF_JON, "Jon Snow"));
 
     LOGGER.info("Do some money operations............");
 
-    eventProcessor.process(new MoneyDepositEvent(
-        2, new Date().getTime(), ACCOUNT_OF_DAENERYS, new BigDecimal("100000")));
+    eventProcessor.process(
+        new MoneyDepositEvent(
+            2, new Date().getTime(), ACCOUNT_OF_DAENERYS, new BigDecimal("100000")));
 
-    eventProcessor.process(new MoneyDepositEvent(
-        3, new Date().getTime(), ACCOUNT_OF_JON, new BigDecimal("100")));
+    eventProcessor.process(
+        new MoneyDepositEvent(3, new Date().getTime(), ACCOUNT_OF_JON, new BigDecimal("100")));
 
-    eventProcessor.process(new MoneyTransferEvent(
-        4, new Date().getTime(), new BigDecimal("10000"), ACCOUNT_OF_DAENERYS,
-        ACCOUNT_OF_JON));
+    eventProcessor.process(
+        new MoneyTransferEvent(
+            4, new Date().getTime(), new BigDecimal("10000"), ACCOUNT_OF_DAENERYS, ACCOUNT_OF_JON));
 
     LOGGER.info("...............State:............");
     LOGGER.info(AccountAggregate.getAccount(ACCOUNT_OF_DAENERYS).toString());

event-sourcing/src/main/java/com/iluwatar/event/sourcing/domain/Account.java

@@ -68,9 +68,13 @@ public class Account {
   @Override
   public String toString() {
     return "Account{"
-        + "accountNo=" + accountNo
-        + ", owner='" + owner + '\''
-        + ", money=" + money
+        + "accountNo="
+        + accountNo
+        + ", owner='"
+        + owner
+        + '\''
+        + ", money="
+        + money
         + '}';
   }
 
@@ -111,7 +115,6 @@ public class Account {
     handleDeposit(moneyDepositEvent.getMoney(), moneyDepositEvent.isRealTime());
   }
 
-
   /**
    * Handles the AccountCreateEvent.
    *
@@ -141,6 +144,4 @@ public class Account {
   public void handleTransferToEvent(MoneyTransferEvent moneyTransferEvent) {
     handleDeposit(moneyTransferEvent.getMoney(), moneyTransferEvent.isRealTime());
   }
-
-
 }

event-sourcing/src/main/java/com/iluwatar/event/sourcing/event/AccountCreateEvent.java

@@ -46,15 +46,17 @@ public class AccountCreateEvent extends DomainEvent {
   /**
    * Instantiates a new Account created event.
    *
-   * @param sequenceId  the sequence id
+   * @param sequenceId the sequence id
    * @param createdTime the created time
-   * @param accountNo   the account no
-   * @param owner       the owner
+   * @param accountNo the account no
+   * @param owner the owner
    */
   @JsonCreator
-  public AccountCreateEvent(@JsonProperty("sequenceId") long sequenceId,
+  public AccountCreateEvent(
+      @JsonProperty("sequenceId") long sequenceId,
       @JsonProperty("createdTime") long createdTime,
-      @JsonProperty("accountNo") int accountNo, @JsonProperty("owner") String owner) {
+      @JsonProperty("accountNo") int accountNo,
+      @JsonProperty("owner") String owner) {
     super(sequenceId, createdTime, "AccountCreateEvent");
     this.accountNo = accountNo;
     this.owner = owner;

event-sourcing/src/main/java/com/iluwatar/event/sourcing/event/DomainEvent.java

@@ -44,9 +44,6 @@ public abstract class DomainEvent implements Serializable {
   private final String eventClassName;
   private boolean realTime = true;
 
-  /**
-   * Process.
-   */
+  /** Process. */
   public abstract void process();
-
 }

event-sourcing/src/main/java/com/iluwatar/event/sourcing/event/MoneyDepositEvent.java

@@ -47,15 +47,17 @@ public class MoneyDepositEvent extends DomainEvent {
   /**
    * Instantiates a new Money deposit event.
    *
-   * @param sequenceId  the sequence id
+   * @param sequenceId the sequence id
    * @param createdTime the created time
-   * @param accountNo   the account no
-   * @param money       the money
+   * @param accountNo the account no
+   * @param money the money
    */
   @JsonCreator
-  public MoneyDepositEvent(@JsonProperty("sequenceId") long sequenceId,
+  public MoneyDepositEvent(
+      @JsonProperty("sequenceId") long sequenceId,
       @JsonProperty("createdTime") long createdTime,
-      @JsonProperty("accountNo") int accountNo, @JsonProperty("money") BigDecimal money) {
+      @JsonProperty("accountNo") int accountNo,
+      @JsonProperty("money") BigDecimal money) {
     super(sequenceId, createdTime, "MoneyDepositEvent");
     this.money = money;
     this.accountNo = accountNo;
@@ -63,8 +65,9 @@ public class MoneyDepositEvent extends DomainEvent {
 
   @Override
   public void process() {
-    var account = Optional.ofNullable(AccountAggregate.getAccount(accountNo))
-        .orElseThrow(() -> new RuntimeException("Account not found"));
+    var account =
+        Optional.ofNullable(AccountAggregate.getAccount(accountNo))
+            .orElseThrow(() -> new RuntimeException("Account not found"));
     account.handleEvent(this);
   }
 }

event-sourcing/src/main/java/com/iluwatar/event/sourcing/event/MoneyTransferEvent.java

@@ -48,16 +48,18 @@ public class MoneyTransferEvent extends DomainEvent {
   /**
    * Instantiates a new Money transfer event.
    *
-   * @param sequenceId    the sequence id
-   * @param createdTime   the created time
-   * @param money         the money
+   * @param sequenceId the sequence id
+   * @param createdTime the created time
+   * @param money the money
    * @param accountNoFrom the account no from
-   * @param accountNoTo   the account no to
+   * @param accountNoTo the account no to
    */
   @JsonCreator
-  public MoneyTransferEvent(@JsonProperty("sequenceId") long sequenceId,
+  public MoneyTransferEvent(
+      @JsonProperty("sequenceId") long sequenceId,
       @JsonProperty("createdTime") long createdTime,
-      @JsonProperty("money") BigDecimal money, @JsonProperty("accountNoFrom") int accountNoFrom,
+      @JsonProperty("money") BigDecimal money,
+      @JsonProperty("accountNoFrom") int accountNoFrom,
       @JsonProperty("accountNoTo") int accountNoTo) {
     super(sequenceId, createdTime, "MoneyTransferEvent");
     this.money = money;
@@ -67,10 +69,12 @@ public class MoneyTransferEvent extends DomainEvent {
 
   @Override
   public void process() {
-    var accountFrom = Optional.ofNullable(AccountAggregate.getAccount(accountNoFrom))
-        .orElseThrow(() -> new RuntimeException("Account not found " + accountNoFrom));
-    var accountTo = Optional.ofNullable(AccountAggregate.getAccount(accountNoTo))
-        .orElseThrow(() -> new RuntimeException("Account not found " + accountNoTo));
+    var accountFrom =
+        Optional.ofNullable(AccountAggregate.getAccount(accountNoFrom))
+            .orElseThrow(() -> new RuntimeException("Account not found " + accountNoFrom));
+    var accountTo =
+        Optional.ofNullable(AccountAggregate.getAccount(accountNoTo))
+            .orElseThrow(() -> new RuntimeException("Account not found " + accountNoTo));
     accountFrom.handleTransferFromEvent(this);
     accountTo.handleTransferToEvent(this);
   }

event-sourcing/src/main/java/com/iluwatar/event/sourcing/processor/DomainEventProcessor.java

@@ -50,16 +50,12 @@ public class DomainEventProcessor {
     eventJournal.write(domainEvent);
   }
 
-  /**
-   * Reset.
-   */
+  /** Reset. */
   public void reset() {
     eventJournal.reset();
   }
 
-  /**
-   * Recover.
-   */
+  /** Recover. */
   public void recover() {
     DomainEvent domainEvent;
     while ((domainEvent = eventJournal.readNext()) != null) {

event-sourcing/src/main/java/com/iluwatar/event/sourcing/processor/EventJournal.java

@@ -28,9 +28,7 @@ import com.iluwatar.event.sourcing.event.DomainEvent;
 import java.io.File;
 import lombok.extern.slf4j.Slf4j;
 
-/**
- * Base class for Journaling implementations.
- */
+/** Base class for Journaling implementations. */
 @Slf4j
 public abstract class EventJournal {
 
@@ -43,9 +41,7 @@ public abstract class EventJournal {
    */
   abstract void write(DomainEvent domainEvent);
 
-  /**
-   * Reset.
-   */
+  /** Reset. */
   void reset() {
     if (file.delete()) {
       LOGGER.info("File cleared successfully............");

event-sourcing/src/main/java/com/iluwatar/event/sourcing/processor/JsonFileJournal.java

@@ -53,14 +53,13 @@ public class JsonFileJournal extends EventJournal {
   private final List<String> events = new ArrayList<>();
   private int index = 0;
 
-  /**
-   * Instantiates a new Json file journal.
-   */
+  /** Instantiates a new Json file journal. */
   public JsonFileJournal() {
     file = new File("Journal.json");
     if (file.exists()) {
-      try (var input = new BufferedReader(
-          new InputStreamReader(new FileInputStream(file), StandardCharsets.UTF_8))) {
+      try (var input =
+          new BufferedReader(
+              new InputStreamReader(new FileInputStream(file), StandardCharsets.UTF_8))) {
         String line;
         while ((line = input.readLine()) != null) {
           events.add(line);
@@ -73,7 +72,6 @@ public class JsonFileJournal extends EventJournal {
     }
   }
 
-
   /**
    * Write.
    *
@@ -82,8 +80,9 @@ public class JsonFileJournal extends EventJournal {
   @Override
   public void write(DomainEvent domainEvent) {
     var mapper = new ObjectMapper();
-    try (var output = new BufferedWriter(
-        new OutputStreamWriter(new FileOutputStream(file, true), StandardCharsets.UTF_8))) {
+    try (var output =
+        new BufferedWriter(
+            new OutputStreamWriter(new FileOutputStream(file, true), StandardCharsets.UTF_8))) {
       var eventString = mapper.writeValueAsString(domainEvent);
       output.write(eventString + "\r\n");
     } catch (IOException e) {
@@ -91,7 +90,6 @@ public class JsonFileJournal extends EventJournal {
     }
   }
 
-
   /**
    * Read the next domain event.
    *
@@ -109,12 +107,13 @@ public class JsonFileJournal extends EventJournal {
     try {
       var jsonElement = mapper.readTree(event);
       var eventClassName = jsonElement.get("eventClassName").asText();
-      domainEvent = switch (eventClassName) {
-        case "AccountCreateEvent" -> mapper.treeToValue(jsonElement, AccountCreateEvent.class);
-        case "MoneyDepositEvent" -> mapper.treeToValue(jsonElement, MoneyDepositEvent.class);
-        case "MoneyTransferEvent" -> mapper.treeToValue(jsonElement, MoneyTransferEvent.class);
-        default -> throw new RuntimeException("Journal Event not recognized");
-      };
+      domainEvent =
+          switch (eventClassName) {
+            case "AccountCreateEvent" -> mapper.treeToValue(jsonElement, AccountCreateEvent.class);
+            case "MoneyDepositEvent" -> mapper.treeToValue(jsonElement, MoneyDepositEvent.class);
+            case "MoneyTransferEvent" -> mapper.treeToValue(jsonElement, MoneyTransferEvent.class);
+            default -> throw new RuntimeException("Journal Event not recognized");
+          };
     } catch (JsonProcessingException jsonProcessingException) {
       throw new RuntimeException("Failed to convert JSON");
     }

event-sourcing/src/main/java/com/iluwatar/event/sourcing/state/AccountAggregate.java

@@ -38,8 +38,7 @@ public class AccountAggregate {
 
   private static Map<Integer, Account> accounts = new HashMap<>();
 
-  private AccountAggregate() {
-  }
+  private AccountAggregate() {}
 
   /**
    * Put account.
@@ -57,15 +56,10 @@ public class AccountAggregate {
    * @return the copy of the account or null if not found
    */
   public static Account getAccount(int accountNo) {
-    return Optional.of(accountNo)
-        .map(accounts::get)
-        .map(Account::copy)
-        .orElse(null);
+    return Optional.of(accountNo).map(accounts::get).map(Account::copy).orElse(null);
   }
 
-  /**
-   * Reset state.
-   */
+  /** Reset state. */
   public static void resetState() {
     accounts = new HashMap<>();
   }

event-sourcing/src/test/java/IntegrationTest.java

@@ -40,46 +40,41 @@ import org.junit.jupiter.api.Test;
 
 /**
  * Integration Test for Event-Sourcing state recovery
- * <p>
- * Created by Serdar Hamzaogullari on 19.08.2017.
+ *
+ * <p>Created by Serdar Hamzaogullari on 19.08.2017.
  */
 class IntegrationTest {
 
-  /**
-   * The Domain event processor.
-   */
+  /** The Domain event processor. */
   private DomainEventProcessor eventProcessor;
 
-  /**
-   * Initialize.
-   */
+  /** Initialize. */
   @BeforeEach
   void initialize() {
     eventProcessor = new DomainEventProcessor(new JsonFileJournal());
   }
 
-  /**
-   * Test state recovery.
-   */
+  /** Test state recovery. */
   @Test
   void testStateRecovery() {
     eventProcessor.reset();
 
-    eventProcessor.process(new AccountCreateEvent(
-        0, new Date().getTime(), ACCOUNT_OF_DAENERYS, "Daenerys Targaryen"));
+    eventProcessor.process(
+        new AccountCreateEvent(0, new Date().getTime(), ACCOUNT_OF_DAENERYS, "Daenerys Targaryen"));
 
-    eventProcessor.process(new AccountCreateEvent(
-        1, new Date().getTime(), ACCOUNT_OF_JON, "Jon Snow"));
+    eventProcessor.process(
+        new AccountCreateEvent(1, new Date().getTime(), ACCOUNT_OF_JON, "Jon Snow"));
 
-    eventProcessor.process(new MoneyDepositEvent(
-        2, new Date().getTime(), ACCOUNT_OF_DAENERYS, new BigDecimal("100000")));
+    eventProcessor.process(
+        new MoneyDepositEvent(
+            2, new Date().getTime(), ACCOUNT_OF_DAENERYS, new BigDecimal("100000")));
 
-    eventProcessor.process(new MoneyDepositEvent(
-        3, new Date().getTime(), ACCOUNT_OF_JON, new BigDecimal("100")));
+    eventProcessor.process(
+        new MoneyDepositEvent(3, new Date().getTime(), ACCOUNT_OF_JON, new BigDecimal("100")));
 
-    eventProcessor.process(new MoneyTransferEvent(
-        4, new Date().getTime(), new BigDecimal("10000"), ACCOUNT_OF_DAENERYS,
-        ACCOUNT_OF_JON));
+    eventProcessor.process(
+        new MoneyTransferEvent(
+            4, new Date().getTime(), new BigDecimal("10000"), ACCOUNT_OF_DAENERYS, ACCOUNT_OF_JON));
 
     var accountOfDaenerysBeforeShotDown = AccountAggregate.getAccount(ACCOUNT_OF_DAENERYS);
     var accountOfJonBeforeShotDown = AccountAggregate.getAccount(ACCOUNT_OF_JON);
@@ -92,9 +87,8 @@ class IntegrationTest {
     var accountOfDaenerysAfterShotDown = AccountAggregate.getAccount(ACCOUNT_OF_DAENERYS);
     var accountOfJonAfterShotDown = AccountAggregate.getAccount(ACCOUNT_OF_JON);
 
-    assertEquals(accountOfDaenerysBeforeShotDown.getMoney(),
-        accountOfDaenerysAfterShotDown.getMoney());
+    assertEquals(
+        accountOfDaenerysBeforeShotDown.getMoney(), accountOfDaenerysAfterShotDown.getMoney());
     assertEquals(accountOfJonBeforeShotDown.getMoney(), accountOfJonAfterShotDown.getMoney());
   }
-
 }