Example usage for org.springframework.messaging.simp SimpMessageHeaderAccessor setSubscriptionId

Introduction

In this page you can find the example usage for org.springframework.messaging.simp SimpMessageHeaderAccessor setSubscriptionId.

Prototype

public void setSubscriptionId(@Nullable String subscriptionId) 

Source Link

Usage

From source file:org.springframework.messaging.simp.annotation.support.SubscriptionMethodReturnValueHandler.java

private MessageHeaders createHeaders(@Nullable String sessionId, String subscriptionId,
        MethodParameter returnType) {//from w w w . j av a2 s  .c om
    SimpMessageHeaderAccessor accessor = SimpMessageHeaderAccessor.create(SimpMessageType.MESSAGE);
    if (getHeaderInitializer() != null) {
        getHeaderInitializer().initHeaders(accessor);
    }
    if (sessionId != null) {
        accessor.setSessionId(sessionId);
    }
    accessor.setSubscriptionId(subscriptionId);
    accessor.setHeader(SimpMessagingTemplate.CONVERSION_HINT_HEADER, returnType);
    accessor.setLeaveMutable(true);
    return accessor.getMessageHeaders();
}

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From source file:org.springframework.messaging.simp.handler.SimpleBrokerMessageHandler.java

protected void sendMessageToSubscribers(String destination, Message<?> message) {
    MultiValueMap<String, String> subscriptions = this.subscriptionRegistry.findSubscriptions(message);
    for (String sessionId : subscriptions.keySet()) {
        for (String subscriptionId : subscriptions.get(sessionId)) {

            SimpMessageHeaderAccessor headers = SimpMessageHeaderAccessor.wrap(message);
            headers.setSessionId(sessionId);
            headers.setSubscriptionId(subscriptionId);

            Object payload = message.getPayload();
            Message<?> clientMessage = MessageBuilder.withPayloadAndHeaders(payload, headers).build();
            try {
                this.messageChannel.send(clientMessage);
            } catch (Throwable ex) {
                logger.error("Failed to send message to destination=" + destination + ", sessionId=" + sessionId
                        + ", subscriptionId=" + subscriptionId, ex);
            }/*from   ww  w  .  java2s  .  c o  m*/
        }
    }
}

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