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Order FIX API Class Basic Components

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These are the basic components for FIX API Order class.

It includes:

  • Member variables
private boolean resetReq;

private String userName;
private String userPassword;
private String accountId;

private SessionID sessionID;

resetReq is used to configure whether to reset sequence number once reconnected.

  • Construction method
public Order(SessionSettings settings, boolean resetReq) {
  this.resetReq = resetReq;

  try {
    userName = settings.getString("Username");
    userPassword = settings.getString("Password");
    accountId = settings.getString("AccountId");

  } catch (Exception e) {
    e.printStackTrace();
    logger.error(e.getMessage());
  }
}
  • Callback to receive administrative message, and then do some extra validations
public void fromAdmin(Message message, SessionID sessionID) {
  try {
    crack(message, sessionID);
  } catch (Exception e) {
    e.printStackTrace();
    logger.error(e.getMessage());
  }
}
  • Callback to receive application-level message, and then do some extra validations
public void fromApp(Message message, SessionID sessionID) {
  try {
    crack(message, sessionID);
  } catch (Exception e) {
    e.printStackTrace();
    logger.error(e.getMessage());
  }
}
  • Callback to add some extra tag fields before sending an administrative message
public void toAdmin(Message message, SessionID sessionID) {
  try {
    if (message instanceof Logon) {
      logger.info("Order via toAdmin login begun for " + this.userName);

      message.setString(Username.FIELD, userName);
      message.setString(Password.FIELD, userPassword);
      if (resetReq) {
        message.setBoolean(ResetSeqNumFlag.FIELD, ResetSeqNumFlag.YES_RESET_SEQUENCE_NUMBERS);
      }
      message.setInt(EncryptMethod.FIELD, EncryptMethod.NONE_OTHER);
    } else if (message instanceof Logout) {
      logger.info("Order logged out via toAdmin " + this.userName);
    }
  } catch (Exception e) {
    e.printStackTrace();
    logger.error(e.getMessage());
  }
}
  • Callback to add some extra tag fields before sending an application-level message
public void toApp(Message message, SessionID sessionID) {
}
  • Callback to notify you when a new session is established
public void onCreate(SessionID sessionID) {
  this.sessionID = sessionID;
}
  • Interface for the client side to logout the current session
public void logout() {
  Logout mdr = new Logout();
  send(mdr);
}
  • Callback to notify you when a new valid logon is established
public void onLogon(SessionID sessionID) {
  logger.warn("Order via onLogon login begun" + (userName == null ? "" : " for " + userName) );
}
  • Callback to notify you when a new valid logout is established
public void onLogout(SessionID sessionID) {
  logger.warn("Order logged out via onLogout" + (userName == null ? "" : " for " + userName) );
}
  • Method to send request messages via the FIX API data session
private void send(Message message) {
  try {
    Session.sendToTarget(message, sessionID);
  } catch (Exception e) {
    e.printStackTrace();
    logger.error(e.getMessage());
  }
}

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