Examples of org.springframework.messaging.simp.stomp.StompBrokerRelayMessageHandler$SystemStompConnectionHandler

Package org.springframework.messaging.simp.stomp

Examples of org.springframework.messaging.simp.stomp.StompBrokerRelayMessageHandler$SystemStompConnectionHandler

org.springframework.messaging.simp.stomp.StompBrokerRelayMessageHandler
A {@link org.springframework.messaging.MessageHandler} that handles messages byforwarding them to a STOMP broker.
For each new {@link SimpMessageType#CONNECT CONNECT} message, an independent TCPconnection to the broker is opened and used exclusively for all messages from the client that originated the CONNECT message. Messages from the same client are identified through the session id message header. Reversely, when the STOMP broker sends messages back on the TCP connection, those messages are enriched with the session id of the client and sent back downstream through the {@link MessageChannel} providedto the constructor.
This class also automatically opens a default "system" TCP connection to the message broker that is used for sending messages that originate from the server application (as opposed to from a client). Such messages are are not associated with any client and therefore do not have a session id header. The "system" connection is effectively shared and cannot be used to receive messages. Several properties are provided to configure the "system" connection including:
- {@link #setSystemLogin(String)}
- {@link #setSystemPasscode(String)}
- {@link #setSystemHeartbeatSendInterval(long)}
- {@link #setSystemHeartbeatReceiveInterval(long)}
@author Rossen Stoyanchev @author Andy Wilkinson @since 4.0

    assertNotNull(userDestResolver);
    assertThat(userDestResolver, Matchers.instanceOf(DefaultUserDestinationResolver.class));
    DefaultUserDestinationResolver defaultUserDestResolver = (DefaultUserDestinationResolver) userDestResolver;
    assertEquals("/user/", defaultUserDestResolver.getDestinationPrefix());


    StompBrokerRelayMessageHandler messageBroker = this.appContext.getBean(StompBrokerRelayMessageHandler.class);
    assertNotNull(messageBroker);
    assertEquals("clientlogin", messageBroker.getClientLogin());
    assertEquals("clientpass", messageBroker.getClientPasscode());
    assertEquals("syslogin", messageBroker.getSystemLogin());
    assertEquals("syspass", messageBroker.getSystemPasscode());
    assertEquals("relayhost", messageBroker.getRelayHost());
    assertEquals(1234, messageBroker.getRelayPort());
    assertEquals("spring.io", messageBroker.getVirtualHost());
    assertEquals(5000, messageBroker.getSystemHeartbeatReceiveInterval());
    assertEquals(5000, messageBroker.getSystemHeartbeatSendInterval());
    assertThat(messageBroker.getDestinationPrefixes(), Matchers.containsInAnyOrder("/topic","/queue"));


    List<Class<? extends MessageHandler>> subscriberTypes =
        Arrays.<Class<? extends MessageHandler>>asList(SimpAnnotationMethodMessageHandler.class,
            UserDestinationMessageHandler.class, StompBrokerRelayMessageHandler.class);
    testChannel("clientInboundChannel", subscriberTypes, 2);

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  }


  @Bean
  public WebSocketMessageBrokerStats webSocketMessageBrokerStats() {
    AbstractBrokerMessageHandler relayBean = stompBrokerRelayMessageHandler();
    StompBrokerRelayMessageHandler brokerRelay = (relayBean instanceof StompBrokerRelayMessageHandler ?
        (StompBrokerRelayMessageHandler) relayBean : null);


    // Ensure STOMP endpoints are registered
    stompWebSocketHandlerMapping();

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    registration.setSystemPasscode("syspasscode");
    registration.setSystemHeartbeatReceiveInterval(123);
    registration.setSystemHeartbeatSendInterval(456);
    registration.setVirtualHost("example.org");


    StompBrokerRelayMessageHandler relayMessageHandler = registration.getMessageHandler(brokerChannel);


    assertEquals(Arrays.asList(destinationPrefixes),
        new ArrayList<String>(relayMessageHandler.getDestinationPrefixes()));


    assertEquals("clientlogin", relayMessageHandler.getClientLogin());
    assertEquals("clientpasscode", relayMessageHandler.getClientPasscode());
    assertEquals("syslogin", relayMessageHandler.getSystemLogin());
    assertEquals("syspasscode", relayMessageHandler.getSystemPasscode());
    assertEquals(123, relayMessageHandler.getSystemHeartbeatReceiveInterval());
    assertEquals(456, relayMessageHandler.getSystemHeartbeatSendInterval());
    assertEquals("example.org", relayMessageHandler.getVirtualHost());
  }

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    return this;
  }




  protected StompBrokerRelayMessageHandler getMessageHandler(SubscribableChannel brokerChannel) {
    StompBrokerRelayMessageHandler handler = new StompBrokerRelayMessageHandler(getClientInboundChannel(),
        getClientOutboundChannel(), brokerChannel, getDestinationPrefixes());


    handler.setRelayHost(this.relayHost);
    handler.setRelayPort(this.relayPort);


    handler.setClientLogin(this.clientLogin);
    handler.setClientPasscode(this.clientPasscode);


    handler.setSystemLogin(this.systemLogin);
    handler.setSystemPasscode(this.systemPasscode);


    if (this.systemHeartbeatSendInterval != null) {
      handler.setSystemHeartbeatSendInterval(this.systemHeartbeatSendInterval);
    }
    if (this.systemHeartbeatReceiveInterval != null) {
      handler.setSystemHeartbeatReceiveInterval(this.systemHeartbeatReceiveInterval);
    }
    if (this.virtualHost != null) {
      handler.setVirtualHost(this.virtualHost);
    }


    handler.setAutoStartup(this.autoStartup);


    return handler;
  }

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org.springframework.messaging.simp.config.StompBrokerRelayRegistrationTests

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org.springframework.messaging.tcp.FixedIntervalReconnectStrategy

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