Java Code Examples for org.springframework.scheduling.annotation.Async

@Async
public void sendEmail(String to, String subject, String content, boolean isMultipart, boolean isHtml) {
    log.debug("Send email[multipart '{}' and html '{}'] to '{}' with subject '{}' and content={}",
        isMultipart, isHtml, to, subject, content);

    // Prepare message using a Spring helper
    MimeMessage mimeMessage = javaMailSender.createMimeMessage();
    try {
        MimeMessageHelper message = new MimeMessageHelper(mimeMessage, isMultipart, CharEncoding.UTF_8);
        message.setTo(to);
        message.setFrom(jHipsterProperties.getMail().getFrom());
        message.setSubject(subject);
        message.setText(content, isHtml);
        javaMailSender.send(mimeMessage);
        log.debug("Sent email to User '{}'", to);
    } catch (Exception e) {
        log.warn("Email could not be sent to user '{}'", to, e);
    }
}
 

@Async
@Override
public Future<List<GetPrizeDTO>> scheduleItems(ScheduleItem item) throws InterruptedException {
    log.info("Start Schedule with : " +item.getRecipientID());
    log.info("query Type " + item.getQueryType());
    Future<List<GetPrizeDTO>> result = new AsyncResult<>(new ArrayList<>());
    if(item.getQueryType() == ConstantUtil.NORMAL_QUERY) {
        result = new AsyncResult<>(resultService.findPrizeByResultType(item.getLotteryType(), item.getParam().toArray(new String[]{})));
    } else if(item.getQueryType() == ConstantUtil.CODE_RANGE_QUERY) {
        result = new AsyncResult<>(resultService.findPrizesByCode(item.getParam().get(0), item.getParam().get(1), item.getParam().get(2), item.getLotteryType()));
    } else if(item.getQueryType() == ConstantUtil.POINT_RANGE_QUERY) {
        result = new AsyncResult<>(resultService.findPrizesByPoints(item.getParam().get(0), item.getParam().get(1), item.getParam().get(2), item.getLotteryType()));
    }
    // remove from db after finding result.
    deleteScheduleItem(item.getRecipientID());
    return result;
}
 

@Override
@Async
@SuppressWarnings("unchecked")
public void retrieveStateAndSend(final Identifier id, final Class aClass) {
    LOGGER.debug("Synchronizing on {} and {}...", id, aClass);
    synchronized (lockObject) {
        LOGGER.debug("Thread locked on {} and {}...!", id, aClass);
        final List<JpaGroup> groups;
        if (Jvm.class.getName().equals(aClass.getName())) {
            final JpaJvm jvm = jvmCrudService.getJvm(id);
            groups = jvm.getGroups();
        } else if (WebServer.class.getName().equals(aClass.getName())) {
            final JpaWebServer webServer = webServerCrudService.getWebServerAndItsGroups(id.getId());
            groups = webServer.getGroups();
        } else {
            final String errMsg = "Invalid class parameter: " + aClass.getName() + "!";
            LOGGER.error(errMsg);
            throw new GroupStateNotificationServiceException(errMsg);
        }
        fetchStates(groups, true);
    }
    LOGGER.debug("Thread locked on {} and {} released!", id, aClass);
}
 

@Async
public void sendEmail(String to, String subject, String content, boolean isMultipart, boolean isHtml) {
    log.debug("Send email[multipart '{}' and html '{}'] to '{}' with subject '{}' and content={}",
        isMultipart, isHtml, to, subject, content);

    // Prepare message using a Spring helper
    MimeMessage mimeMessage = javaMailSender.createMimeMessage();
    try {
        MimeMessageHelper message = new MimeMessageHelper(mimeMessage, isMultipart, CharEncoding.UTF_8);
        message.setTo(to);
        message.setFrom(jHipsterProperties.getMail().getFrom());
        message.setSubject(subject);
        message.setText(content, isHtml);
        javaMailSender.send(mimeMessage);
        log.debug("Sent email to User '{}'", to);
    } catch (Exception e) {
        if (log.isDebugEnabled()) {
            log.warn("Email could not be sent to user '{}'", to, e);
        } else {
            log.warn("Email could not be sent to user '{}': {}", to, e.getMessage());
        }
    }
}
 

/**
 * {@inheritDoc}
 */
@Async
@Override
public void sendMailWithNewPassword(
        @NotBlank @Email final String email,
        @NotBlank final String newPassword
) {
    log.info("Called with e-mail {}, newPassword {}", email, newPassword);

    try {
        final JavaMailSenderImpl sender = new JavaMailSenderImpl();

        final MimeMessage message = sender.createMimeMessage();

        final MimeMessageHelper helper = new MimeMessageHelper(message);

        helper.setTo(email);
        helper.setSubject("Recover password");
        helper.setText("Your new password: " + "<b>" + newPassword + "</b>", true);

        sendMail(message);
    } catch (MessagingException e) {
        e.printStackTrace();
    }
}
 

/**
 * Sends an email message asynchronously through SendGrid.
 * Status Code: 202	- ACCEPTED: Your message is both valid, and queued to be delivered.
 *
 * @param from      email address from which the message will be sent.
 * @param recipient array of strings containing the recipients of the message.
 * @param subject   subject header field.
 * @param text      content of the message.
 */
@Async
public void send(String from, String recipient, String replyTo, String subject, String text) throws IOException {

    Email emailFrom = new Email(from);
    String emailSubject = subject;
    Email emailTo = new Email(recipient);

    Content emailContent = new Content("text/html", text);
    Mail mail = new Mail(emailFrom, emailSubject, emailTo, emailContent);
    if (!replyTo.isEmpty()) {
        Email emailReplyTo = new Email(replyTo);
        mail.setReplyTo(emailReplyTo);
    }

    SendGrid sg = new SendGrid(sendgridApiKey);
    Request request = new Request();
    request.setMethod(Method.POST);
    request.setEndpoint("mail/send");
    request.setBody(mail.build());

    sg.api(request);
}
 

@Async
@Override
public void addEmployee(EmployeeForm empForm) {
	
	Employee emp = new Employee();
	emp.setDeptId(empForm.getEmpId());
	emp.setFirstName(empForm.getFirstName());
	emp.setLastName(empForm.getLastName());
	emp.setAge(empForm.getAge());
	emp.setBirthday(empForm.getBirthday());
	emp.setEmail(empForm.getEmail());
	emp.setDeptId(empForm.getDeptId());
	emp.setEmpId(empForm.getEmpId());
	try {
		System.out.println("service:addEmployee task executor: " + Thread.currentThread().getName());
		System.out.println("processing for 1000 ms");
		System.out.println("addEmployee @Async login: " + SecurityContextHolder.getContext().getAuthentication().getPrincipal());
		Thread.sleep(1000);
	} catch (InterruptedException e) {
	
		e.printStackTrace();
	}
	employeeDaoImpl.addEmployeeBySJI(emp);
}
 

@Async
@Override
public void handleExternalOutputMessage(final ExternalCommunicatorMessage message) {
  LOG.debug("Received request for external out message [{}]", message);

  final Long messageFlowId = getMessageFlowId(message.getTransferId());
  final Long configId = getActiveConfig(messageFlowId);

  final Map<String, InternalObject> businessObjects = new HashMap<>();
  message.getBusinessObjects().stream().forEachOrdered(bo -> {
    final Map<String, InternalField> fields = new HashMap<>();
    bo.getFields().stream().forEachOrdered(field -> {
      fields.put(field.getName(), new InternalField(field.getName(),
          DataType.valueOf(field.getType()), field.getValue()));
    });
    businessObjects.put(bo.getName(), new InternalObject(bo.getName(), fields));
  });

  composeSupervisorActor.tell(new ComposeMessageCreateCommand(message.getTransferId(),
      new InternalData(businessObjects), configId), ActorRef.noSender());
}
 

@Async
@Override
public void addEmployee(EmployeeForm empForm) {
	
	Employee emp = new Employee();
	emp.setDeptId(empForm.getEmpId());
	emp.setFirstName(empForm.getFirstName());
	emp.setLastName(empForm.getLastName());
	emp.setAge(empForm.getAge());
	emp.setBirthday(empForm.getBirthday());
	emp.setEmail(empForm.getEmail());
	emp.setDeptId(empForm.getDeptId());
	emp.setEmpId(empForm.getEmpId());
	try {
		System.out.println("service:addEmployee task executor: " + Thread.currentThread().getName());
		System.out.println("processing for 1000 ms");
		System.out.println("addEmployee @Async login: " + SecurityContextHolder.getContext().getAuthentication().getPrincipal());
		Thread.sleep(1000);
	} catch (InterruptedException e) {
	
		e.printStackTrace();
	}
	employeeDaoImpl.addEmployeeBySJI(emp);
}
 

@Override
@Async("selectiejob")
public void start() {
    LOGGER.info("start selectie run service: ");
    BrpNu.set();
    Thread.currentThread().setName("Selectie Job Runner");
    final SelectieJobRunStatus status = selectieJobRunStatusService.newStatus();
    Selectie selectie = null;
    try {
        selectie = selectieService.bepaalSelectie();
        status.setStartDatum(new Date());
        status.setSelectieRunId(selectie.getSelectierun().getId());
        startSelectie(selectie);
        LOGGER.info("einde selectie run service: " + selectie.getSelectierun().getId());
    } finally {
        status.setEindeDatum(new Date());
        if (selectie != null) {
            selectieService.eindeSelectie(selectie);
        }
    }
}
 

@Transactional
@Async
@Override
public Future<List<TaskDTO>> getTasksOfUser(final Long userId) {
  final CompletableFuture<List<TaskDTO>> future = new CompletableFuture<>();

  final TasksOfUserMessage.Request request = new TasksOfUserMessage.Request(userId);

  PatternsCS.ask(userSupervisorActor, request, Global.TIMEOUT).toCompletableFuture()
      .whenComplete((msg, exc) -> {
        if (exc == null) {
          future.complete(((TasksOfUserMessage.Response) msg).getTasks());
        } else {
          future.completeExceptionally(exc);
        }
      });

  return future;
}
 

@Async
public void sendEmail(String to, String subject, String content, boolean isMultipart, boolean isHtml) {
    log.debug("Send e-mail[multipart '{}' and html '{}'] to '{}' with subject '{}' and content={}",
        isMultipart, isHtml, to, subject, content);

    // Prepare message using a Spring helper
    MimeMessage mimeMessage = javaMailSender.createMimeMessage();
    try {
        MimeMessageHelper message = new MimeMessageHelper(mimeMessage, isMultipart, CharEncoding.UTF_8);
        message.setTo(to);
        message.setFrom(jHipsterProperties.getMail().getFrom());
        message.setSubject(subject);
        message.setText(content, isHtml);
        javaMailSender.send(mimeMessage);
        log.debug("Sent e-mail to User '{}'", to);
    } catch (Exception e) {
        log.warn("E-mail could not be sent to user '{}'", to, e);
    }
}
 

/**
 * パスワードリセット案内メールを送信します。
 *
 * @param request パスワードリセット要求
 */
@Async
void sendPasswordResetMail(PasswordResetRequest request) {
    SimpleMailMessage message = new SimpleMailMessage();
    message.setReplyTo(appReply);
    message.setTo(request.getMembership().getEmail());
    message.setSubject("【パスワードリセット】Java研修 Go研修 OB・OG会");
    message.setText(request.getMembership().getName() + " さん\n\n" +
            "パスワードリセットの要求を受け付けました。\n" +
            "下記 URL から 24 時間以内にパスワードリセットを行ってください。\n\n" +
            appUrl + "/#!" + ResetPasswordView.VIEW_NAME + "/" + request.getToken() + "\n" +
            "※トップページにリダイレクトされてしまう場合は、トップページを開いた画面 (タブ) のアドレス欄に" +
            "上記 URL を張り付けて移動してください。\n\n" +
            "本メールに関するお問合せ先: " + appReply + "\n" +
            "Java研修 Go研修 OB・OG会");
    try {
        mailSender.send(message);
    } catch (MailException e) {
        exceptionHandler.accept(e);
    }
}
 

@Async
@Override
public void asyncCreateInstance(DeploymentServiceImpl deploymentService, ServiceInstance serviceInstance,
                                   Map<String, String> parameters, Plan plan, PlatformService platformService) {
	progressService.startJob(serviceInstance);

	try {
		deploymentService.syncCreateInstance(serviceInstance, parameters, plan, platformService);
	} catch (Exception e) {
		progressService.failJob(serviceInstance,
				"Internal error during Instance creation, please contact our support.");

		log.error("Exception during Instance creation", e);
		return;
	}
	progressService.succeedProgress(serviceInstance);
}
 

@Async
public void sendEmail(String to, String subject, String content, boolean isMultipart, boolean isHtml) {
    log.debug("Send e-mail[multipart '{}' and html '{}'] to '{}' with subject '{}' and content={}",
        isMultipart, isHtml, to, subject, content);

    // Prepare message using a Spring helper
    MimeMessage mimeMessage = javaMailSender.createMimeMessage();
    try {
        MimeMessageHelper message = new MimeMessageHelper(mimeMessage, isMultipart, CharEncoding.UTF_8);
        message.setTo(to);
        message.setFrom(jHipsterProperties.getMail().getFrom());
        message.setSubject(subject);
        message.setText(content, isHtml);
        javaMailSender.send(mimeMessage);
        log.debug("Sent e-mail to User '{}'", to);
    } catch (Exception e) {
        log.warn("E-mail could not be sent to user '{}', exception is: {}", to, e.getMessage());
    }
}
 

@Async
public String createThumbnail(UserFile userFile) {
    String path = userFile.getPath();
    Path originalImagePath = Paths.get(properties.getUploadFileRootPath(), path);

    try {
        BufferedImage originalImage = ImageIO.read(originalImagePath.toFile());
        if (originalImage != null) {
            BufferedImage thumbnailImage = this.createThumbnailImage(originalImage, 300, 200);
            String ext = path.substring(path.lastIndexOf(".") + 1);
            Path thumbNailPath = Paths.get(properties.getUploadFileRootPath(), userFile.getThumbnailPath());
            ImageIO.write(thumbnailImage, ext, Files.newOutputStream(thumbNailPath));
            return thumbNailPath.toString();
        }
    } catch (IOException e) {
        logger.error("Failed to create thumbnail of '{}'", path);
    }

    return "";
}
 

@Transactional
@Async
@Override
public Future<ProcessInfoDTO> stopProcess(final Long piId) {
  final CompletableFuture<ProcessInfoDTO> future = new CompletableFuture<>();

  final ProcessStopMessage.Request request = new ProcessStopMessage.Request(piId);

  PatternsCS.ask(processSupervisorActor, request, Global.TIMEOUT).toCompletableFuture()
      .whenComplete((msg, exc) -> {
        if (exc == null) {
          userSupervisorActor.tell(request, null);
          future.complete(((ProcessStopMessage.Response) msg).getProcess());
        } else {
          future.completeExceptionally(exc);
        }
      });

  return future;
}
 

/**
 * 查询用户在线状态
 * 
 * @param fromUserId 用户ID
 * @param userIdList 查询列表
 * @return
 * @since  1.0
 */
@Async
public ListenableFuture<List<IMBaseDefine.UserStat>> userStatusReq(Long fromUserId, List<Long> userIdList) {
    
    logger.debug("查询用户在线状态, user_cnt={}", userIdList.size());
    
    List<IMBaseDefine.UserStat> userStatList = new ArrayList<>();
    for (Long userId: userIdList) {
        
        UserClientInfoManager.UserClientInfo userClientInfo = userClientInfoManager.getUserInfo(userId);
        IMBaseDefine.UserStat.Builder userStatBuiler = IMBaseDefine.UserStat.newBuilder();
        userStatBuiler.setUserId(userId);
        if (userClientInfo != null) {
            userStatBuiler.setStatus(userClientInfo.getStatus());
        } else {
            userStatBuiler.setStatus(IMBaseDefine.UserStatType.USER_STATUS_OFFLINE);
        }
        
        userStatList.add(userStatBuiler.build());
    }
    
    AsyncResult<List<IMBaseDefine.UserStat>> result = new AsyncResult<>(userStatList);
    return result;
}
 

/**
 * 发送文本邮件  setCc 抄送 setBcc 密送
 */
@Async("mailAsync")
public void sendSimpleMail(String to, String subject, String content) {
	SimpleMailMessage message = new SimpleMailMessage();
	message.setFrom(from);
	message.setTo(to);
	message.setBcc(from);
	message.setSubject(subject);
	message.setText(content);
	message.setSentDate(new Date());
	try {
		mailSender.send(message);
		logger.info("简单邮件已经发送。");
	} catch (Exception e) {
		logger.error("发送简单邮件时发生异常！", e);
	}

}
 

@Async
public void sendEmail(String to, String subject, String content, boolean isMultipart, boolean isHtml) {
    log.debug("Send email[multipart '{}' and html '{}'] to '{}' with subject '{}' and content={}",
        isMultipart, isHtml, to, subject, content);

    // Prepare message using a Spring helper
    MimeMessage mimeMessage = javaMailSender.createMimeMessage();
    try {
        MimeMessageHelper message = new MimeMessageHelper(mimeMessage, isMultipart, CharEncoding.UTF_8);
        message.setTo(to);
        message.setFrom(jHipsterProperties.getMail().getFrom());
        message.setSubject(subject);
        message.setText(content, isHtml);
        javaMailSender.send(mimeMessage);
        log.debug("Sent email to User '{}'", to);
    } catch (Exception e) {
        log.warn("Email could not be sent to user '{}'", to, e);
    }
}
 

@Async
public void sendEmail(String to, String subject, String content, boolean isMultipart, boolean isHtml) {
    log.debug("Send email[multipart '{}' and html '{}'] to '{}' with subject '{}' and content={}",
        isMultipart, isHtml, to, subject, content);

    // Prepare message using a Spring helper
    MimeMessage mimeMessage = javaMailSender.createMimeMessage();
    try {
        MimeMessageHelper message = new MimeMessageHelper(mimeMessage, isMultipart, CharEncoding.UTF_8);
        message.setTo(to);
        message.setFrom(jHipsterProperties.getMail().getFrom());
        message.setSubject(subject);
        message.setText(content, isHtml);
        javaMailSender.send(mimeMessage);
        log.debug("Sent email to User '{}'", to);
    } catch (Exception e) {
        if (log.isDebugEnabled()) {
            log.warn("Email could not be sent to user '{}'", to, e);
        } else {
            log.warn("Email could not be sent to user '{}': {}", to, e.getMessage());
        }
    }
}
 

@Async
public void sendEmail(String to, String subject, String content, boolean isMultipart, boolean isHtml) {
    log.debug("Send email[multipart '{}' and html '{}'] to '{}' with subject '{}' and content={}",
        isMultipart, isHtml, to, subject, content);

    // Prepare message using a Spring helper
    MimeMessage mimeMessage = javaMailSender.createMimeMessage();
    try {
        MimeMessageHelper message = new MimeMessageHelper(mimeMessage, isMultipart, CharEncoding.UTF_8);
        message.setTo(to);
        message.setFrom(jHipsterProperties.getMail().getFrom());
        message.setSubject(subject);
        message.setText(content, isHtml);
        javaMailSender.send(mimeMessage);
        log.debug("Sent email to User '{}'", to);
    } catch (Exception e) {
        if (log.isDebugEnabled()) {
            log.warn("Email could not be sent to user '{}'", to, e);
        } else {
            log.warn("Email could not be sent to user '{}': {}", to, e.getMessage());
        }
    }
}
 

@Async
public void sendEmail(String to, String subject, String content, boolean isMultipart, boolean isHtml) {
    log.debug("Send e-mail[multipart '{}' and html '{}'] to '{}' with subject '{}' and content={}",
        isMultipart, isHtml, to, subject, content);

    // Prepare message using a Spring helper
    MimeMessage mimeMessage = javaMailSender.createMimeMessage();
    try {
        MimeMessageHelper message = new MimeMessageHelper(mimeMessage, isMultipart, CharEncoding.UTF_8);
        message.setTo(to);
        message.setFrom(jHipsterProperties.getMail().getFrom());
        message.setSubject(subject);
        message.setText(content, isHtml);
        javaMailSender.send(mimeMessage);
        log.debug("Sent e-mail to User '{}'", to);
    } catch (Exception e) {
        log.warn("E-mail could not be sent to user '{}'", to, e);
    }
}
 

@Async
@Transactional
public void recoverPasswordBy(String email) throws EmailException {
	User user = userService.findByEmail(email);

	if (user != null) {
		RecoverPassword recoverPassword = new RecoverPassword(user);

		emailService.send(email, recoverPassword.getToken());
		recoverPasswordRepository.save(recoverPassword);
	}
}
 

/**
 * Send password reset email.
 *
 * @param user object which stores info about user
 * @param url application url
 * @param tenantName tenant name
 * @param rid transaction id (use for logging)
 */
@Async
public void sendPasswordResetMail(User user, String url, String tenantName, String rid) {
    MDCUtil.putRid(rid);
    log.info("Sending password reset email to '{}'", user.getEmail());
    sendEmailFromTemplate(
        user,
        "passwordResetEmail",
        "email.reset.title",
        generateFrom(tenantName),
        user.getEmail(),
        url,
        tenantName
    );
}
 

@Async
public Future<ResponseEntity<Boolean>> importProcessModel(
    final ImportProcessModelDTO processModelDTO, final HttpHeaderUser headerUser) {
  URIBuilder uri = null;
  try {
    uri = new URIBuilder(gatewayConfig.getProcessModelStorageAddress()).setPath("/import");
  } catch (final URISyntaxException e) {
    LOG.error(e.getMessage());
  }

  final HttpHeaders header = headerUser.getHttpHeaders();
  return createRequest(uri, HttpMethod.POST, processModelDTO, Boolean.class, header);
}
 

@Async
public void attemptToInitialize() {
	
	// count the attempt
	setInitAttempts(getInitAttempts() + 1);
	logger.debug("initialization attempt " + getInitAttempts());

	// first - get the service information or register service with metadata
	if(getService() != null) {
		// if we were able to get the service data we're registered
		setRegistered(true);
		// second - invoke any custom initialization method 
		setInitialized(initialize(getServiceId()));
	}

	// if both are successful, then we're done
	if(isRegistered() && isInitialized()) {
		logger.info("initialization successful.");
	} else {
		// otherwise see if we need to keep going
		if((getInitRetries() == 0) || (getInitAttempts() < getInitRetries())) {
			logger.debug("initialization unsuccessful. sleeping " + getInitInterval());
			try {
				Thread.sleep(getInitInterval());
			} catch (InterruptedException e) {
				Thread.currentThread().interrupt();
			}
			// start up the next thread
			attemptToInitialize();

		} else {
			// here, we've failed and run out of retries, so just be done.
			logger.info("initialization unsuccessful after " + getInitAttempts() + " attempts.  Giving up.");
			// TODO: what do we do here? exit?
			Application.exit(-1);
		}
	} 
}
 

@Async
public void sendEmailFromTemplate(User user, String templateName, String titleKey) {
    Locale locale = Locale.forLanguageTag(user.getLangKey());
    Context context = new Context(locale);
    context.setVariable(USER, user);
    context.setVariable(BASE_URL, jHipsterProperties.getMail().getBaseUrl());
    String content = templateEngine.process(templateName, context);
    String subject = messageSource.getMessage(titleKey, null, locale);
    sendEmail(user.getEmail(), subject, content, false, true);

}
 

@Async
public Future<ResponseEntity<StateObjectDTO>> getStateObjectOfUserInProcess(
    final HttpHeaderUser headerUser, final Long piId, final Long userId)
    throws URISyntaxException {
  final URIBuilder uri = new URIBuilder(gatewayConfig.getProcessEngineAddress())
      .setPath("/processes/task/" + piId + "/" + userId);

  final HttpHeaders header = headerUser.getHttpHeaders();
  return createRequest(uri, HttpMethod.GET, null, StateObjectDTO.class, header);
}
 

@Async
public Future<ResponseEntity<Long>> getAmountOfFinishedProcessesInRange(final Long hoursbefore)
    throws URISyntaxException {
  final URIBuilder uri = new URIBuilder(gatewayConfig.getProcessEngineAddress())
      .setPath("processes/count/finished/" + hoursbefore);

  return createRequest(uri, HttpMethod.GET, null, Long.class, null);
}
 

@Async("myTaskAsyncPool")
public Future<Integer> doAsyncTask(String tableName, List<EventData> dataList, String destination) {
    try {
        MDC.put("destination", destination);
        logger.info("thread: " + Thread.currentThread().getName() + " is doing job :" + tableName);
        for (EventData eventData : dataList) {
            SpringUtil.doEvent(eventData.getPath(), eventData.getDbObject());
        }
    } catch (Exception e) {
        logger.error("thread:" + Thread.currentThread().getName() + " get Exception", e);
        return new AsyncResult(0);
    }
    return new AsyncResult(1);
}
 

@Async
public void sendEmailFromTemplate(User user, String templateName, String titleKey) {
    Locale locale = Locale.forLanguageTag(user.getLangKey());
    Context context = new Context(locale);
    context.setVariable(USER, user);
    context.setVariable(BASE_URL, jHipsterProperties.getMail().getBaseUrl());
    String content = templateEngine.process(templateName, context);
    String subject = messageSource.getMessage(titleKey, null, locale);
    sendEmail(user.getEmail(), subject, content, false, true);

}
 

/**
 * saveTokenHistory
 *
 * @param token Token to re-verify to obtain Claims Set to Persist as a Token History Element.
 */
@Async
protected void saveTokenHistory(String token) {
    try {
        /**
         * Generate a Token History Entry based upon our Current Supplied Token.
         */
        JWTClaimsSet claimsSet = yourMicroserviceToken.verifyToken(token);
        if (claimsSet == null) {
            LOGGER.warn("Unable to Verify Token to retrieve ClaimsSet to Persist Token History, Ignoring.");
            return;
        }
        /**
         * Instantiate the Token History Entity.
         */
        YourEntityTokenHistory yourEntityTokenHistory = new YourEntityTokenHistory();
        yourEntityTokenHistory.setJti(claimsSet.getJWTID());
        yourEntityTokenHistory.setSubject(claimsSet.getSubject());
        yourEntityTokenHistory.setStatus(YourEntityTokenStatus.ACTIVE);
        yourEntityTokenHistory.setIssuedAt(claimsSet.getIssueTime());
        yourEntityTokenHistory.setExpiration(claimsSet.getExpirationTime());
        yourEntityTokenHistory.setNotUsedBefore(claimsSet.getNotBeforeTime());
        yourEntityTokenHistory.setLastUsed(claimsSet.getIssueTime());
        yourEntityTokenHistory.setUsageCount(1L);
        /**
         * Persist the Entity.
         */
        yourEntityTokenHistory = identityProviderEntityManager.createTokenHistory(yourEntityTokenHistory);
        if (yourEntityTokenHistory == null) {
            LOGGER.warn("Unable to Persist Token History Entity, Ignoring.");
        }
    } catch (YourMicroserviceInvalidTokenException ite) {
        LOGGER.warn("Invalid Your Microservice Token Exception:'{}', Encountered while attempting " +
                "to persist Token History Entity.", ite.getMessage(), ite);
    }
}
 

@Async("register")
public CompletableFuture<List<String>> compileGroovy(String path) {
    logger.info("Start compile groovy file: " + path);
    List<String> listClassName = DynamicUtil.compileGroovyFile(path);

    try {
        Thread.sleep(1000L);
    } catch (InterruptedException e) {
        e.printStackTrace();
    }
    logger.info("Complete compile groovy file: " + path);
    return CompletableFuture.completedFuture(listClassName);
}
 

@Async
public void attemptToInitialize() {
	
	// count the attempt
	setInitAttempts(getInitAttempts() + 1);
	logger.debug("initialization attempt " + getInitAttempts());

	// first - get the service information or register service with metadata
	if(getService() != null) {
		// if we were able to get the service data we're registered
		setRegistered(true);
		// second - invoke any custom initialization method 
		setInitialized(initialize(getServiceId()));
	}

	// if both are successful, then we're done
	if(isRegistered() && isInitialized()) {
		logger.info("initialization successful.");
	} else {
		// otherwise see if we need to keep going
		if((getInitRetries() == 0) || (getInitAttempts() < getInitRetries())) {
			logger.debug("initialization unsuccessful. sleeping " + getInitInterval());
			try {
				Thread.sleep(getInitInterval());
			} catch (InterruptedException e) {
				Thread.currentThread().interrupt();
			}
			// start up the next thread
			attemptToInitialize();

		} else {
			// here, we've failed and run out of retries, so just be done.
			logger.info("initialization unsuccessful after " + getInitAttempts() + " attempts.  Giving up.");
			// TODO: what do we do here? exit?
			Application.exit(-1);
		}
	} 
}
 

@Async
public void attemptToInitialize() {

  // count the attempt
  setInitAttempts(getInitAttempts() + 1);
  logger.debug("initialization attempt " + getInitAttempts());

  // first - get the service information or register service with metadata
  if (getService() != null) {
    // if we were able to get the service data we're registered
    setRegistered(true);
    // second - invoke any custom initialization method
    setInitialized(initialize(getServiceId()));
  }

  // if both are successful, then we're done
  if (isRegistered() && isInitialized()) {
    logger.info("initialization successful.");
  } else {
    // otherwise see if we need to keep going
    if ((getInitRetries() == 0) || (getInitAttempts() < getInitRetries())) {
      logger.debug("initialization unsuccessful. sleeping " + getInitInterval());
      try {
        Thread.sleep(getInitInterval());
      } catch (InterruptedException e) {
        Thread.currentThread().interrupt();
      }
      // start up the next thread
      attemptToInitialize();

    } else {
      // here, we've failed and run out of retries, so just be done.
      logger.info("initialization unsuccessful after " + getInitAttempts()
          + " attempts.  Giving up.");
      // TODO: what do we do here? exit?
      Application.exit(-1);
    }
  }
}
 

@Async
public void attemptToInitialize() {

  // count the attempt
  setInitAttempts(getInitAttempts() + 1);
  logger.debug("initialization attempt " + getInitAttempts());

  // first - get the service information or register service with metadata
  if (getService() != null) {
    // if we were able to get the service data we're registered
    setRegistered(true);
    // second - invoke any custom initialization method
    setInitialized(initialize(getServiceId()));
  }

  // if both are successful, then we're done
  if (isRegistered() && isInitialized()) {
    logger.info("initialization successful.");
  } else {
    // otherwise see if we need to keep going
    if ((getInitRetries() == 0) || (getInitAttempts() < getInitRetries())) {
      logger.debug("initialization unsuccessful. sleeping " + getInitInterval());
      try {
        Thread.sleep(getInitInterval());
      } catch (InterruptedException e) {
        Thread.currentThread().interrupt();
      }
      // start up the next thread
      attemptToInitialize();

    } else {
      // here, we've failed and run out of retries, so just be done.
      logger.info(
          "initialization unsuccessful after " + getInitAttempts() + " attempts.  Giving up.");
      // TODO: what do we do here? exit?
      Application.exit(-1);
    }
  }
}
 

/**
 * Send event to kafka.
 * @param content the event data
 */
@Async
public void send(String content) {
    if (StringUtils.isNoneBlank(content)) {
        log.debug("Sending kafka event with data {} to topic {}", content, topicName);
        template.send(topicName, content);
    }
}
 

@Async
public void sendActivationEmail(User user) {
    log.debug("Sending activation e-mail to '{}'", user.getEmail());
    Locale locale = Locale.forLanguageTag(user.getLangKey());
    Context context = new Context(locale);
    context.setVariable(USER, user);
    context.setVariable(BASE_URL, jHipsterProperties.getMail().getBaseUrl());
    String content = templateEngine.process("activationEmail", context);
    String subject = messageSource.getMessage("email.activation.title", null, locale);
    sendEmail(user.getEmail(), subject, content, false, true);
}
 

@Async
public void sendActivationEmail(User user) {
    log.debug("Sending activation e-mail to '{}'", user.getEmail());
    Locale locale = Locale.forLanguageTag(user.getLangKey());
    Context context = new Context(locale);
    context.setVariable(USER, user);
    context.setVariable(BASE_URL, jHipsterProperties.getMail().getBaseUrl());
    String content = templateEngine.process("activationEmail", context);
    String subject = messageSource.getMessage("email.activation.title", null, locale);
    sendEmail(user.getEmail(), subject, content, false, true);
}