Example usage for org.springframework.messaging SubscribableChannel unsubscribe

Introduction

In this page you can find the example usage for org.springframework.messaging SubscribableChannel unsubscribe.

Prototype

boolean unsubscribe(MessageHandler handler);

Source Link

Document

Un-register a message handler.

Usage

From source file:org.springframework.cloud.stream.binder.AbstractMessageChannelBinder.java

private void destroyErrorInfrastructure(ProducerDestination destination) {
    String errorChannelName = errorsBaseName(destination);
    String errorBridgeHandlerName = getErrorBridgeName(destination);
    MessageHandler bridgeHandler = null;
    if (getApplicationContext().containsBean(errorBridgeHandlerName)) {
        bridgeHandler = getApplicationContext().getBean(errorBridgeHandlerName, MessageHandler.class);
    }/*from w ww .  ja  v a2 s.c om*/
    if (getApplicationContext().containsBean(errorChannelName)) {
        SubscribableChannel channel = getApplicationContext().getBean(errorChannelName,
                SubscribableChannel.class);
        if (bridgeHandler != null) {
            channel.unsubscribe(bridgeHandler);
            ((DefaultSingletonBeanRegistry) getApplicationContext().getBeanFactory())
                    .destroySingleton(errorBridgeHandlerName);
        }
        ((DefaultSingletonBeanRegistry) getApplicationContext().getBeanFactory())
                .destroySingleton(errorChannelName);
    }
}

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From source file:org.springframework.cloud.stream.binder.AbstractMessageChannelBinder.java

private void destroyErrorInfrastructure(ConsumerDestination destination, String group, C properties) {
    try {//from  w ww .  ja  va2  s  .c  o  m
        String recoverer = getErrorRecovererName(destination, group, properties);
        if (getApplicationContext().containsBean(recoverer)) {
            ((DefaultSingletonBeanRegistry) getApplicationContext().getBeanFactory())
                    .destroySingleton(recoverer);
        }
        String errorChannelName = errorsBaseName(destination, group, properties);
        String errorMessageHandlerName = getErrorMessageHandlerName(destination, group, properties);
        String errorBridgeHandlerName = getErrorBridgeName(destination, group, properties);
        MessageHandler bridgeHandler = null;
        if (getApplicationContext().containsBean(errorBridgeHandlerName)) {
            bridgeHandler = getApplicationContext().getBean(errorBridgeHandlerName, MessageHandler.class);
        }
        MessageHandler handler = null;
        if (getApplicationContext().containsBean(errorMessageHandlerName)) {
            handler = getApplicationContext().getBean(errorMessageHandlerName, MessageHandler.class);
        }
        if (getApplicationContext().containsBean(errorChannelName)) {
            SubscribableChannel channel = getApplicationContext().getBean(errorChannelName,
                    SubscribableChannel.class);
            if (bridgeHandler != null) {
                channel.unsubscribe(bridgeHandler);
                ((DefaultSingletonBeanRegistry) getApplicationContext().getBeanFactory())
                        .destroySingleton(errorBridgeHandlerName);
            }
            if (handler != null) {
                channel.unsubscribe(handler);
                ((DefaultSingletonBeanRegistry) getApplicationContext().getBeanFactory())
                        .destroySingleton(errorMessageHandlerName);
            }
            ((DefaultSingletonBeanRegistry) getApplicationContext().getBeanFactory())
                    .destroySingleton(errorChannelName);
        }
    } catch (IllegalStateException e) {
        // context is shutting down.
    }
}

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