How to use com.edi.learn.axon.common.events

@EventHandler
public void on(AccountCreatedEvent event){
  this.accountId = event.getAccountId();
  this.accountName = event.getAccountName();
  this.balance = new BigDecimal(event.getAmount());
  LOGGER.info("Account {} is created with balance {}", accountId, this.balance);
}

  @EventHandler
  public void on(MoneyWithdrawnEvent event){
    BigDecimal result = this.balance.subtract(new BigDecimal(event.getAmount()));
    if(result.compareTo(BigDecimal.ZERO)<0)
      LOGGER.error("Cannot withdraw more money than the balance!");
    else {
      this.balance = result;
      LOGGER.info("Withdraw {} from account {}, balance result: {}", event.getAmount(), accountId, balance);
    }
  }
}

@CommandHandler
public BankAccount(CreateAccountCommand command){
  LOGGER.debug("Construct a new BankAccount");
  apply(new AccountCreatedEvent(command.getAccountId(), command.getAccountName(), command.getAmount()));
}

@CommandHandler
public void handle(WithdrawMoneyCommand command){
  apply(new MoneyWithdrawnEvent(command.getAccountId(), command.getAmount()));
}

@EventHandler
public void on(AccountCreatedEvent event){
  this.accountId = event.getAccountId();
  this.accountName = event.getAccountName();
  this.balance = new BigDecimal(event.getAmount());
  LOGGER.info("Account {} is created with balance {}", accountId, this.balance);
}

  @EventHandler
  public void on(MoneyWithdrawnEvent event){
    BigDecimal result = this.balance.subtract(new BigDecimal(event.getAmount()));
    if(result.compareTo(BigDecimal.ZERO)<0)
      LOGGER.error("Cannot withdraw more money than the balance!");
    else {
      this.balance = result;
      LOGGER.info("Withdraw {} from account {}, balance result: {}", event.getAmount(), accountId, balance);
    }
  }
}

@CommandHandler
public void handle(WithdrawMoneyCommand command){
  apply(new MoneyWithdrawnEvent(command.getAccountId(), command.getAmount()));
}

@CommandHandler
public BankAccount(CreateAccountCommand command){
  LOGGER.debug("Construct a new BankAccount");
  apply(new AccountCreatedEvent(command.getAccountId(), command.getAccountName(), command.getAmount()));
}

@EventHandler
public void on(AccountCreatedEvent event){
  this.accountId = event.getAccountId();
  this.accountName = event.getAccountName();
  this.balance = new BigDecimal(event.getAmount());
  LOGGER.info("Account {} is created with balance {}", accountId, this.balance);
}

@EventHandler
public void on(MoneyWithdrawnEvent event){
  BigDecimal result = this.balance.subtract(new BigDecimal(event.getAmount()));
  if(result.compareTo(BigDecimal.ZERO)<0)
    LOGGER.error("Cannot withdraw more money than the balance!");
  else {
    this.balance = result;
    LOGGER.info("Withdraw {} from account {}, balance result: {}", event.getAmount(), accountId, balance);
  }
}

@CommandHandler
public void handle(WithdrawMoneyCommand command){
  apply(new MoneyWithdrawnEvent(command.getAccountId(), command.getAmount()));
}

@CommandHandler
public BankAccount(CreateAccountCommand command){
  LOGGER.debug("Construct a new BankAccount");
  apply(new AccountCreatedEvent(command.getAccountId(), command.getAccountName(), command.getAmount()));
}