org.springframework.integration.twitter.inbound

Class TimelineReceivingMessageSource

java.lang.Object

org.springframework.integration.context.IntegrationObjectSupport

org.springframework.integration.twitter.inbound.TimelineReceivingMessageSource

All Implemented Interfaces:

Aware, BeanFactoryAware, BeanNameAware, InitializingBean, ApplicationContextAware, MessageSource, NamedComponent

public class TimelineReceivingMessageSource
extends IntegrationObjectSupport

This MessageSource lets Spring Integration consume given account's timeline as messages. It has support for dynamic throttling of API requests.

Since:

2.0

Author:

Josh Long, Oleg Zhurakousky, Gary Russell

Field Summary

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

logger

Constructor Summary

Constructors

Constructor and Description
TimelineReceivingMessageSource(Twitter twitter, String metadataKey)

Method Summary

Methods

Modifier and Type	Method and Description
String	getComponentType() Subclasses may implement this method to provide component type information.
long	getLastProcessedId()
protected int	getPageSize()
protected Twitter	getTwitter()
protected void	onInit() Subclasses may implement this for initialization logic.
protected List<Tweet>	pollForTweets(long sinceId) Subclasses must implement this to return tweets.
Message<?>	receive() Retrieve the next available message from this source.
void	setMetadataStore(MetadataStore metadataStore)
void	setPageSize(int pageSize) Set the limit for the number of results returned on each poll; default 20.
void	setPrefetchThreshold(int prefetchThreshold)

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

afterPropertiesSet, getApplicationContextId, getBeanFactory, getComponentName, getConversionService, getIntegrationProperties, getIntegrationProperty, getMessageBuilderFactory, getTaskScheduler, setApplicationContext, setBeanFactory, setBeanName, setComponentName, setConversionService, setMessageBuilderFactory, setTaskScheduler, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

TimelineReceivingMessageSource

public TimelineReceivingMessageSource(Twitter twitter,
                              String metadataKey)

Method Detail

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

pollForTweets

protected List<Tweet> pollForTweets(long sinceId)

Subclasses must implement this to return tweets. The 'sinceId' value will be negative if no last id is known.

Parameters:

sinceId - The id of the last reported tweet.

Returns:

The list of tweets.

setMetadataStore

public void setMetadataStore(MetadataStore metadataStore)

setPrefetchThreshold

public void setPrefetchThreshold(int prefetchThreshold)

getTwitter

protected Twitter getTwitter()

getPageSize

protected int getPageSize()

setPageSize

public void setPageSize(int pageSize)

Set the limit for the number of results returned on each poll; default 20.

Parameters:

pageSize - The pageSize.

onInit

protected void onInit()
               throws Exception

Description copied from class: IntegrationObjectSupport

Subclasses may implement this for initialization logic.

Overrides:

onInit in class IntegrationObjectSupport

Throws:

Exception - Any exception.

receive

public Message<?> receive()

Description copied from interface: MessageSource

Retrieve the next available message from this source. Returns null if no message is available.

Specified by:

receive in interface MessageSource

Returns:

The messasge or null.

getLastProcessedId

@ManagedAttribute
public long getLastProcessedId()

Returns:

-1 if lastProcessedId is not set, yet.