Package org.springframework.integration.mqtt.inbound

Class AbstractMqttMessageDrivenChannelAdapter<T,C>

java.lang.Object

org.springframework.integration.context.IntegrationObjectSupport

org.springframework.integration.endpoint.AbstractEndpoint

org.springframework.integration.endpoint.MessageProducerSupport

org.springframework.integration.mqtt.inbound.AbstractMqttMessageDrivenChannelAdapter<T,C>

Type Parameters:

T - MQTT Client type

C - MQTT connection options type (v5 or v3)

All Implemented Interfaces:

Aware, BeanFactoryAware, BeanNameAware, DisposableBean, InitializingBean, SmartInitializingSingleton, ApplicationContextAware, ApplicationEventPublisherAware, Lifecycle, Phased, SmartLifecycle, ExpressionCapable, MessageProducer, IntegrationPattern, ClientManager.ConnectCallback, NamedComponent, IntegrationInboundManagement, IntegrationManagement, ManageableLifecycle, ManageableSmartLifecycle, TrackableComponent

Direct Known Subclasses:

MqttPahoMessageDrivenChannelAdapter, Mqttv5PahoMessageDrivenChannelAdapter

@ManagedResource
@IntegrationManagedResource
public abstract class AbstractMqttMessageDrivenChannelAdapter<T,C>
extends MessageProducerSupport
implements ApplicationEventPublisherAware, ClientManager.ConnectCallback

Abstract class for MQTT Message-Driven Channel Adapters.

Since:

4.0

Author:

Gary Russell, Artem Bilan, Trung Pham, Mikhail Polivakha, Artem Vozhdayenko

Nested Class Summary

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

IntegrationManagement.ManagementOverrides

Field Summary

Fields

Modifier and Type	Field	Description
static final long	DEFAULT_COMPLETION_TIMEOUT	The default completion timeout in milliseconds.
protected final Lock	topicLock

Fields inherited from class org.springframework.integration.endpoint.AbstractEndpoint

lifecycleCondition, lifecycleLock

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.context.SmartLifecycle

DEFAULT_PHASE

Constructor Summary

Constructors

Constructor	Description
AbstractMqttMessageDrivenChannelAdapter(String url, String clientId, String... topic)
AbstractMqttMessageDrivenChannelAdapter(ClientManager<T,C> clientManager, String... topic)

Method Summary

Modifier and Type	Method	Description
void	addTopic(String... topic)	Add a topic (or topics) to the subscribed list (qos=1).
void	addTopic(String topic, int qos)	Add a topic to the subscribed list.
void	addTopics(String[] topic, int[] qos)	Add topics to the subscribed list.
void	destroy()
protected ApplicationEventPublisher	getApplicationEventPublisher()
protected String	getClientId()
protected ClientManager<T,C>	getClientManager()
protected long	getCompletionTimeout()
String	getComponentType()	Subclasses may implement this method to provide component type information.
protected MqttMessageConverter	getConverter()
int[]	getQos()
String[]	getTopic()
protected String	getUrl()
protected boolean	isManualAcks()
protected void	onInit()	Subclasses may implement this for initialization logic.
void	removeTopic(String... topic)	Remove a topic (or topics) from the subscribed list.
void	setApplicationEventPublisher(ApplicationEventPublisher applicationEventPublisher)
void	setCompletionTimeout(long completionTimeout)	Set the completion timeout for operations.
void	setConverter(MqttMessageConverter converter)
void	setManualAcks(boolean manualAcks)	Set the acknowledgment mode to manual.
void	setQos(int... qos)	Set the QoS for each topic; a single value will apply to all topics otherwise the correct number of qos values must be provided.

Methods inherited from class org.springframework.integration.endpoint.MessageProducerSupport

afterSingletonsInstantiated, buildErrorMessage, doStart, doStop, getErrorChannel, getErrorMessageAttributes, getErrorMessageStrategy, getIntegrationPatternType, getMessagingTemplate, getOutputChannel, registerObservationRegistry, sendErrorMessageIfNecessary, sendMessage, setErrorChannel, setErrorChannelName, setErrorMessageStrategy, setObservationConvention, setOutputChannel, setOutputChannelName, setSendTimeout, setShouldTrack, subscribeToPublisher

Methods inherited from class org.springframework.integration.endpoint.AbstractEndpoint

doStop, getPhase, getRole, isActive, isAutoStartup, isRunning, setAutoStartup, setPhase, setRole, start, stop, stop

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.integration.mqtt.core.ClientManager.ConnectCallback

connectComplete

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

getManagedName, getManagedType, getOverrides, getThisAs, isLoggingEnabled, registerMetricsCaptor, setLoggingEnabled, setManagedName, setManagedType

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

getBeanName, getComponentName

Field Details

DEFAULT_COMPLETION_TIMEOUT

public static final long DEFAULT_COMPLETION_TIMEOUT

The default completion timeout in milliseconds.

See Also:

• Constant Field Values

topicLock

protected final Lock topicLock

Constructor Details

AbstractMqttMessageDrivenChannelAdapter

public AbstractMqttMessageDrivenChannelAdapter(@Nullable
 String url,
 String clientId,
 String... topic)

AbstractMqttMessageDrivenChannelAdapter

public AbstractMqttMessageDrivenChannelAdapter(ClientManager<T,C> clientManager,
 String... topic)

Method Details

setConverter

public void setConverter(MqttMessageConverter converter)

getClientManager

@Nullable
protected ClientManager<T,C> getClientManager()

setQos

public void setQos(int... qos)

Set the QoS for each topic; a single value will apply to all topics otherwise the correct number of qos values must be provided.

Parameters:

qos - The qos value(s).

Since:

4.1

getQos

@ManagedAttribute
public int[] getQos()

getUrl

@Nullable
protected String getUrl()

getClientId

@Nullable
protected String getClientId()

getConverter

protected MqttMessageConverter getConverter()

getTopic

@ManagedAttribute
public String[] getTopic()

onInit

protected void onInit()

Description copied from class: IntegrationObjectSupport

Subclasses may implement this for initialization logic.

Overrides:

onInit in class MessageProducerSupport

destroy

public void destroy()

Specified by:

destroy in interface DisposableBean

Specified by:

destroy in interface IntegrationManagement

Overrides:

destroy in class AbstractEndpoint

getComponentType

public String getComponentType()

Description copied from class: IntegrationObjectSupport

Subclasses may implement this method to provide component type information.

Specified by:

getComponentType in interface NamedComponent

Overrides:

getComponentType in class IntegrationObjectSupport

setApplicationEventPublisher

public void setApplicationEventPublisher(ApplicationEventPublisher applicationEventPublisher)

Specified by:

setApplicationEventPublisher in interface ApplicationEventPublisherAware

getApplicationEventPublisher

protected ApplicationEventPublisher getApplicationEventPublisher()

setManualAcks

public void setManualAcks(boolean manualAcks)

Set the acknowledgment mode to manual.

Parameters:

manualAcks - true for manual acks.

Since:

5.3

isManualAcks

protected boolean isManualAcks()

setCompletionTimeout

public void setCompletionTimeout(long completionTimeout)

Set the completion timeout for operations. Not settable using the namespace. Default 30000L milliseconds.

Parameters:

completionTimeout - The timeout.

Since:

4.1

getCompletionTimeout

protected long getCompletionTimeout()

addTopic

@ManagedOperation
public void addTopic(String topic,
 int qos)

Add a topic to the subscribed list.

Parameters:

topic - The topic.

qos - The qos.

Throws:

MessagingException - if the topic is already in the list.

Since:

4.1

addTopic

@ManagedOperation
public void addTopic(String... topic)

Add a topic (or topics) to the subscribed list (qos=1).

Parameters:

topic - The topics.

Throws:

MessagingException - if the topic is already in the list.

Since:

4.1

addTopics

@ManagedOperation
public void addTopics(String[] topic,
 int[] qos)

Add topics to the subscribed list.

Parameters:

topic - The topics.

qos - The qos for each topic.

Throws:

MessagingException - if a topic is already in the list.

Since:

4.1

removeTopic

@ManagedOperation
public void removeTopic(String... topic)

Remove a topic (or topics) from the subscribed list.

Parameters:

topic - The topic.

Throws:

MessagingException - if the topic is not in the list.

Since:

4.1