Package org.springframework.integration.mqtt.outbound

Class MqttPahoMessageHandler

java.lang.Object

org.springframework.integration.context.IntegrationObjectSupport

org.springframework.integration.handler.MessageHandlerSupport

org.springframework.integration.handler.AbstractMessageHandler

org.springframework.integration.mqtt.outbound.AbstractMqttMessageHandler

org.springframework.integration.mqtt.outbound.MqttPahoMessageHandler

All Implemented Interfaces:

org.eclipse.paho.client.mqttv3.MqttCallback, org.reactivestreams.Subscriber<Message<?>>, Aware, BeanFactoryAware, BeanNameAware, DisposableBean, InitializingBean, ApplicationContextAware, ApplicationEventPublisherAware, Lifecycle, Ordered, ExpressionCapable, Orderable, IntegrationPattern, MqttComponent<org.eclipse.paho.client.mqttv3.MqttConnectOptions>, MqttPahoComponent, NamedComponent, IntegrationManagement, ManageableLifecycle, TrackableComponent, MessageHandler, reactor.core.CoreSubscriber<Message<?>>

public class MqttPahoMessageHandler
extends AbstractMqttMessageHandler
implements org.eclipse.paho.client.mqttv3.MqttCallback, MqttPahoComponent

Eclipse Paho Implementation. When consuming MqttIntegrationEvents published by this component use MqttPahoComponent handler = event.getSourceAsType() to get a reference, allowing you to obtain the bean name and MqttConnectOptions. This technique allows consumption of events from both inbound and outbound endpoints in the same event listener.

Since:

4.0

Author:

Gary Russell, Artem Bilan

Nested Class Summary

Nested classes/interfaces inherited from interface org.springframework.integration.support.management.IntegrationManagement

IntegrationManagement.ManagementOverrides

Field Summary

Fields inherited from class org.springframework.integration.mqtt.outbound.AbstractMqttMessageHandler

DEFAULT_COMPLETION_TIMEOUT, DISCONNECT_COMPLETION_TIMEOUT

Fields inherited from class org.springframework.integration.context.IntegrationObjectSupport

EXPRESSION_PARSER, logger

Fields inherited from interface org.springframework.integration.support.management.IntegrationManagement

METER_PREFIX, RECEIVE_COUNTER_NAME, SEND_TIMER_NAME

Fields inherited from interface org.springframework.core.Ordered

HIGHEST_PRECEDENCE, LOWEST_PRECEDENCE

Constructor Summary

Constructors

Constructor	Description
MqttPahoMessageHandler(String url, String clientId)	Use this constructor when you don't need additional MqttConnectOptions.
MqttPahoMessageHandler(String url, String clientId, MqttPahoClientFactory clientFactory)	Use this constructor for a single url (although it may be overridden if the server URI(s) are provided by the MqttConnectOptions.getServerURIs() provided by the MqttPahoClientFactory).
MqttPahoMessageHandler(String clientId, MqttPahoClientFactory clientFactory)	Use this constructor if the server URI(s) are provided by the MqttConnectOptions.getServerURIs() provided by the MqttPahoClientFactory.

Method Summary

Modifier and Type	Method	Description
void	connectionLost(Throwable cause)
void	deliveryComplete(org.eclipse.paho.client.mqttv3.IMqttDeliveryToken token)
protected void	doStart()
protected void	doStop()
org.eclipse.paho.client.mqttv3.MqttConnectOptions	getConnectionInfo()	Return information about the connection.
void	messageArrived(String topic, org.eclipse.paho.client.mqttv3.MqttMessage message)
protected void	onInit()	Subclasses may implement this for initialization logic.
protected void	publish(String topic, Object mqttMessage, Message<?> message)
void	setAsync(boolean async)	Set to true if you don't want to block when sending messages.
void	setAsyncEvents(boolean asyncEvents)	When setAsync(boolean) is true, setting this to true enables publication of MqttMessageSentEvent and MqttMessageDeliveredEvent to be emitted.

Methods inherited from class org.springframework.integration.mqtt.outbound.AbstractMqttMessageHandler

getApplicationEventPublisher, getClientId, getClientInstance, getCompletionTimeout, getComponentType, getConverter, getDefaultQos, getDefaultRetained, getDefaultTopic, getDisconnectCompletionTimeout, getQosProcessor, getRetainedProcessor, getTopicProcessor, getUrl, handleMessageInternal, incrementClientInstance, isRunning, setApplicationEventPublisher, setCompletionTimeout, setConverter, setDefaultQos, setDefaultRetained, setDefaultTopic, setDisconnectCompletionTimeout, setQosExpression, setQosExpressionString, setRetainedExpression, setRetainedExpressionString, setTopicExpression, setTopicExpressionString, start, stop

Methods inherited from class org.springframework.integration.handler.AbstractMessageHandler

handleMessage, onComplete, onError, onNext, onSubscribe

Methods inherited from class org.springframework.integration.handler.MessageHandlerSupport

buildSendTimer, destroy, getIntegrationPatternType, getManagedName, getManagedType, getMetricsCaptor, getOrder, getOverrides, isLoggingEnabled, registerMetricsCaptor, sendTimer, setLoggingEnabled, setManagedName, setManagedType, setOrder, setShouldTrack, shouldTrack

Methods inherited from class org.springframework.integration.context.IntegrationObjectSupport

afterPropertiesSet, extractTypeIfPossible, generateId, getApplicationContext, getApplicationContextId, getBeanDescription, getBeanFactory, getBeanName, getChannelResolver, getComponentName, getConversionService, getExpression, getIntegrationProperties, getIntegrationProperty, getMessageBuilderFactory, getTaskScheduler, isInitialized, setApplicationContext, setBeanFactory, setBeanName, setChannelResolver, setComponentName, setConversionService, setMessageBuilderFactory, setPrimaryExpression, setTaskScheduler, toString

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.springframework.beans.factory.BeanNameAware

setBeanName

Methods inherited from interface reactor.core.CoreSubscriber

currentContext

Methods inherited from interface org.springframework.integration.support.management.IntegrationManagement

getThisAs

Methods inherited from interface org.springframework.integration.mqtt.core.MqttComponent

getBeanName

Methods inherited from interface org.springframework.integration.support.context.NamedComponent

getBeanName, getComponentName

Constructor Details

MqttPahoMessageHandler

public MqttPahoMessageHandler(String url,
 String clientId,
 MqttPahoClientFactory clientFactory)

Use this constructor for a single url (although it may be overridden if the server URI(s) are provided by the MqttConnectOptions.getServerURIs() provided by the MqttPahoClientFactory).

Parameters:

url - the URL.

clientId - The client id.

clientFactory - The client factory.

MqttPahoMessageHandler

public MqttPahoMessageHandler(String clientId,
 MqttPahoClientFactory clientFactory)

Use this constructor if the server URI(s) are provided by the MqttConnectOptions.getServerURIs() provided by the MqttPahoClientFactory.

Parameters:

clientId - The client id.

clientFactory - The client factory.

Since:

4.1

MqttPahoMessageHandler

public MqttPahoMessageHandler(String url,
 String clientId)

Use this constructor when you don't need additional MqttConnectOptions.

Parameters:

url - The URL.

clientId - The client id.

Method Details

setAsync

public void setAsync(boolean async)

Set to true if you don't want to block when sending messages. Default false. When true, message sent/delivered events will be published for reception by a suitably configured 'ApplicationListener' or an event inbound-channel-adapter.

Parameters:

async - true for async.

Since:

4.1

setAsyncEvents

public void setAsyncEvents(boolean asyncEvents)

When setAsync(boolean) is true, setting this to true enables publication of MqttMessageSentEvent and MqttMessageDeliveredEvent to be emitted. Default false.

Parameters:

asyncEvents - the asyncEvents.

Since:

4.1

getConnectionInfo

public org.eclipse.paho.client.mqttv3.MqttConnectOptions getConnectionInfo()

Description copied from interface: MqttComponent

Return information about the connection.

Specified by:

getConnectionInfo in interface MqttComponent<org.eclipse.paho.client.mqttv3.MqttConnectOptions>

Specified by:

getConnectionInfo in interface MqttPahoComponent

Returns:

the information.

onInit

protected void onInit()

Description copied from class: IntegrationObjectSupport

Subclasses may implement this for initialization logic.

Overrides:

onInit in class AbstractMqttMessageHandler

doStart

protected void doStart()

Specified by:

doStart in class AbstractMqttMessageHandler

doStop

protected void doStop()

Specified by:

doStop in class AbstractMqttMessageHandler

publish

protected void publish(String topic,
 Object mqttMessage,
 Message<?> message)

Specified by:

publish in class AbstractMqttMessageHandler

connectionLost

public void connectionLost(Throwable cause)

Specified by:

connectionLost in interface org.eclipse.paho.client.mqttv3.MqttCallback

messageArrived

public void messageArrived(String topic,
 org.eclipse.paho.client.mqttv3.MqttMessage message)

Specified by:

messageArrived in interface org.eclipse.paho.client.mqttv3.MqttCallback

deliveryComplete

public void deliveryComplete(org.eclipse.paho.client.mqttv3.IMqttDeliveryToken token)

Specified by:

deliveryComplete in interface org.eclipse.paho.client.mqttv3.MqttCallback