Package org.springframework.integration.gemfire.inbound

Class ContinuousQueryMessageProducer

java.lang.Object

org.springframework.integration.context.IntegrationObjectSupport

org.springframework.integration.endpoint.AbstractEndpoint

org.springframework.integration.endpoint.MessageProducerSupport

org.springframework.integration.endpoint.ExpressionMessageProducerSupport

org.springframework.integration.gemfire.inbound.ContinuousQueryMessageProducer

All Implemented Interfaces:

Aware, BeanFactoryAware, BeanNameAware, DisposableBean, InitializingBean, SmartInitializingSingleton, ApplicationContextAware, Lifecycle, Phased, SmartLifecycle, ContinuousQueryListener, ExpressionCapable, MessageProducer, IntegrationPattern, NamedComponent, ManageableLifecycle, ManageableSmartLifecycle, TrackableComponent

public class ContinuousQueryMessageProducer
extends ExpressionMessageProducerSupport
implements ContinuousQueryListener

Responds to a Gemfire continuous query (set using the #query field) that is constantly evaluated against a cache Region. This is much faster than re-querying the cache manually.

Since:

2.1

Author:

Josh Long, David Turanski, Artem Bilan

Field Summary

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

lifecycleCondition, lifecycleLock

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

EXPRESSION_PARSER

Fields inherited from interface org.springframework.context.SmartLifecycle

DEFAULT_PHASE

Constructor Summary

Constructors

Constructor	Description
ContinuousQueryMessageProducer(ContinuousQueryListenerContainer queryListenerContainer, String query)

Method Summary

Modifier and Type	Method	Description
String	getComponentType()	Subclasses may implement this method to provide component type information.
void	onEvent(org.apache.geode.cache.query.CqEvent event)
protected void	onInit()	Subclasses may implement this for initialization logic.
void	setDurable(boolean durable)
void	setQueryName(String queryName)
void	setSupportedEventTypes(CqEventType... eventTypes)

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

evaluatePayloadExpression, setIntegrationEvaluationContext, setPayloadExpression, setPayloadExpressionString

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

afterSingletonsInstantiated, buildErrorMessage, doStart, doStop, getErrorChannel, getErrorMessageAttributes, getIntegrationPatternType, getMessagingTemplate, getOutputChannel, 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

ContinuousQueryMessageProducer

public ContinuousQueryMessageProducer(ContinuousQueryListenerContainer queryListenerContainer, String query)

Parameters:

queryListenerContainer - a ContinuousQueryListenerContainer

query - the query string

Method Details

setQueryName

public void setQueryName(String queryName)

Parameters:

queryName - optional query name

setDurable

public void setDurable(boolean durable)

Parameters:

durable - true if the query is a durable subscription

setSupportedEventTypes

public void setSupportedEventTypes(CqEventType... eventTypes)

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

onInit

protected void onInit()

Description copied from class: IntegrationObjectSupport

Subclasses may implement this for initialization logic.

Overrides:

onInit in class ExpressionMessageProducerSupport

onEvent

public void onEvent(org.apache.geode.cache.query.CqEvent event)

Specified by:

onEvent in interface ContinuousQueryListener