Package org.springframework.integration.mongodb.inbound

Class MongoDbChangeStreamMessageProducer

java.lang.Object
org.springframework.integration.context.IntegrationObjectSupport
org.springframework.integration.endpoint.AbstractEndpoint
org.springframework.integration.endpoint.MessageProducerSupport
org.springframework.integration.mongodb.inbound.MongoDbChangeStreamMessageProducer
All Implemented Interfaces:
org.springframework.beans.factory.Aware, org.springframework.beans.factory.BeanFactoryAware, org.springframework.beans.factory.BeanNameAware, org.springframework.beans.factory.DisposableBean, org.springframework.beans.factory.InitializingBean, org.springframework.beans.factory.SmartInitializingSingleton, org.springframework.context.ApplicationContextAware, org.springframework.context.Lifecycle, org.springframework.context.Phased, org.springframework.context.SmartLifecycle, org.springframework.integration.context.ExpressionCapable, org.springframework.integration.core.MessageProducer, org.springframework.integration.IntegrationPattern, org.springframework.integration.support.context.NamedComponent, org.springframework.integration.support.management.ManageableLifecycle, org.springframework.integration.support.management.ManageableSmartLifecycle, org.springframework.integration.support.management.TrackableComponent
public class MongoDbChangeStreamMessageProducer
extends org.springframework.integration.endpoint.MessageProducerSupport
A MessageProducerSupport for MongoDB Change Stream implementation. The functionality is based on the ReactiveMongoOperations.changeStream(String, ChangeStreamOptions, Class) and MessageProducerSupport.subscribeToPublisher(org.reactivestreams.Publisher) consumption.
Since:
5.3

  • Field Summary

    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.context.SmartLifecycle

    DEFAULT_PHASE

  • Constructor Summary

    Constructors 
    Constructor Description
    MongoDbChangeStreamMessageProducer​(org.springframework.data.mongodb.core.ReactiveMongoOperations mongoOperations)
    Create an instance based on the provided ReactiveMongoOperations.

  • Method Summary

    Modifier and Type Method Description
    protected void doStart()  
    java.lang.String getComponentType()  
    void setCollection​(java.lang.String collection)
    Specify a collection name to track change events from.
    void setDomainType​(java.lang.Class<?> domainType)
    Specify an object type to convert an event body to.
    void setExtractBody​(boolean extractBody)
    Configure this channel adapter to build a Message to produce with a payload based on a ChangeStreamEvent.getBody() (by default) or use a whole ChangeStreamEvent as a payload.
    void setOptions​(org.springframework.data.mongodb.core.ChangeStreamOptions options)
    Specify a ChangeStreamOptions.

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

    afterSingletonsInstantiated, buildErrorMessage, doStop, getErrorChannel, getErrorMessageAttributes, getIntegrationPatternType, getMessagingTemplate, getOutputChannel, onInit, sendErrorMessageIfNecessary, sendMessage, setErrorChannel, setErrorChannelName, setErrorMessageStrategy, setOutputChannel, setOutputChannelName, setSendTimeout, setShouldTrack, subscribeToPublisher

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

    destroy, 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.support.context.NamedComponent

    getBeanName, getComponentName

  • Constructor Details

    • MongoDbChangeStreamMessageProducer

      public MongoDbChangeStreamMessageProducer​(org.springframework.data.mongodb.core.ReactiveMongoOperations mongoOperations)
      Create an instance based on the provided ReactiveMongoOperations.
      Parameters:
      mongoOperations - the ReactiveMongoOperations to use.
      See Also:
      ReactiveMongoOperations.changeStream(String, ChangeStreamOptions, Class)

  • Method Details

    • setDomainType

      public void setDomainType​(java.lang.Class<?> domainType)
      Specify an object type to convert an event body to. Defaults to Document class.
      Parameters:
      domainType - the class for event body conversion.
      See Also:
      ReactiveMongoOperations.changeStream(String, ChangeStreamOptions, Class)

    • setCollection

      public void setCollection​(java.lang.String collection)
      Specify a collection name to track change events from. By default tracks all the collection in the mongoOperations configured database.
      Parameters:
      collection - a collection to use.
      See Also:
      ReactiveMongoOperations.changeStream(String, ChangeStreamOptions, Class)

    • setOptions

      public void setOptions​(org.springframework.data.mongodb.core.ChangeStreamOptions options)
      Specify a ChangeStreamOptions.
      Parameters:
      options - the ChangeStreamOptions to use.
      See Also:
      ReactiveMongoOperations.changeStream(String, ChangeStreamOptions, Class)

    • setExtractBody

      public void setExtractBody​(boolean extractBody)
      Configure this channel adapter to build a Message to produce with a payload based on a ChangeStreamEvent.getBody() (by default) or use a whole ChangeStreamEvent as a payload.
      Parameters:
      extractBody - to extract ChangeStreamEvent.getBody() or not.

    • getComponentType

      public java.lang.String getComponentType()
      Specified by:
      getComponentType in interface org.springframework.integration.support.context.NamedComponent
      Overrides:
      getComponentType in class org.springframework.integration.context.IntegrationObjectSupport

    • doStart

      protected void doStart()
      Overrides:
      doStart in class org.springframework.integration.endpoint.MessageProducerSupport