org.apache.camel.model

Class ThrottleDefinition

java.lang.Object

org.apache.camel.model.OptionalIdentifiedDefinition<Type>

org.apache.camel.model.ProcessorDefinition<ExpressionNode>

org.apache.camel.model.ExpressionNode

org.apache.camel.model.ThrottleDefinition

All Implemented Interfaces:

org.apache.camel.ExecutorServiceAware, Block, ExecutorServiceAwareDefinition<ThrottleDefinition>, HasExpressionType, org.apache.camel.NamedNode, org.apache.camel.spi.HasId, org.apache.camel.spi.IdAware

@Metadata(label="eip,routing")
public class ThrottleDefinition
extends ExpressionNode
implements ExecutorServiceAwareDefinition<ThrottleDefinition>

Controls the rate at which messages are passed to the next node in the route

Field Summary

Fields inherited from class org.apache.camel.model.ProcessorDefinition

inheritErrorHandler, log

Constructor Summary

Constructors

Constructor and Description
ThrottleDefinition()
ThrottleDefinition(org.apache.camel.Expression maximumRequestsPerPeriod)
ThrottleDefinition(org.apache.camel.Expression maximumRequestsPerPeriod, org.apache.camel.Expression correlationExpression)

Method Summary

Modifier and Type	Method and Description
ThrottleDefinition	asyncDelayed() Enables asynchronous delay which means the thread will not block while delaying.
ThrottleDefinition	asyncDelayed(boolean asyncDelayed) Enables asynchronous delay which means the thread will not block while delaying.
ThrottleDefinition	asyncDelayed(String asyncDelayed) Enables asynchronous delay which means the thread will not block while delaying.
ThrottleDefinition	callerRunsWhenRejected(boolean callerRunsWhenRejected) Whether or not the caller should run the task when it was rejected by the thread pool.
ThrottleDefinition	callerRunsWhenRejected(String callerRunsWhenRejected) Whether or not the caller should run the task when it was rejected by the thread pool.
ThrottleDefinition	correlationExpression(org.apache.camel.Expression correlationExpression) To use a correlation expression that can throttle by the given key instead of overall throttling
ThrottleDefinition	correlationExpression(long correlationExpression) To use a correlation expression that can throttle by the given key instead of overall throttling
protected String	description()
ThrottleDefinition	executorService(ExecutorService executorService) To use a custom thread pool (ScheduledExecutorService) by the throttler.
ThrottleDefinition	executorServiceRef(String executorServiceRef) To use a custom thread pool (ScheduledExecutorService) by the throttler.
String	getAsyncDelayed()
String	getCallerRunsWhenRejected()
ExpressionSubElementDefinition	getCorrelationExpression()
ExecutorService	getExecutorService()
String	getExecutorServiceRef()
String	getLabel() Returns a label to describe this node such as the expression if some kind of expression node
String	getRejectExecution()
String	getShortName()
String	getTimePeriodMillis()
ThrottleDefinition	maximumRequestsPerPeriod(long maximumRequestsPerPeriod) Sets the time period during which the maximum request count per period
ThrottleDefinition	maximumRequestsPerPeriod(String maximumRequestsPerPeriod) Sets the time period during which the maximum request count per period
ThrottleDefinition	rejectExecution(boolean rejectExecution) Whether or not throttler throws the ThrottlerRejectedExecutionException when the exchange exceeds the request limit Is by default false
ThrottleDefinition	rejectExecution(String rejectExecution) Whether or not throttler throws the ThrottlerRejectedExecutionException when the exchange exceeds the request limit Is by default false
void	setAsyncDelayed(String asyncDelayed)
void	setCallerRunsWhenRejected(String callerRunsWhenRejected)
void	setCorrelationExpression(ExpressionSubElementDefinition correlationExpression) The expression used to calculate the correlation key to use for throttle grouping.
void	setExecutorService(ExecutorService executorService)
void	setExecutorServiceRef(String executorServiceRef)
void	setExpression(ExpressionDefinition expression) Expression to configure the maximum number of messages to throttle per request
void	setRejectExecution(String rejectExecution)
void	setTimePeriodMillis(String timePeriodMillis)
ThrottleDefinition	timePeriodMillis(long timePeriodMillis) Sets the time period during which the maximum request count is valid for
ThrottleDefinition	timePeriodMillis(String timePeriodMillis) Sets the time period during which the maximum request count is valid for
String	toString()

Methods inherited from class org.apache.camel.model.ExpressionNode

configureChild, getExpression, getExpressionType, getOutputs, id, preCreateProcessor, setExpression, setExpressionType

Methods inherited from class org.apache.camel.model.ProcessorDefinition

addInterceptStrategy, addOutput, aggregate, aggregate, aggregate, aggregate, bean, bean, bean, bean, bean, bean, bean, bean, bean, bean, bean, choice, circuitBreaker, claimCheck, claimCheck, claimCheck, claimCheck, clearOutput, convertBodyTo, convertBodyTo, convertBodyTo, delay, delay, delay, doTry, dynamicRouter, dynamicRouter, end, endChoice, endCircuitBreaker, endDoTry, endParent, endRest, enrich, enrich, enrich, enrich, enrich, enrich, enrich, enrich, enrich, enrichWith, enrichWith, enrichWith, enrichWith, enrichWith, enrichWith, filter, filter, filter, filter, getIndex, getInterceptStrategies, getParent, idempotentConsumer, idempotentConsumer, idempotentConsumer, inheritErrorHandler, inOnly, inOnly, inOnly, inOnly, inOnly, inOut, inOut, inOut, inOut, inOut, isAbstract, isInheritErrorHandler, isTopLevelOnly, isWrappingEntireOutput, kamelet, loadBalance, loadBalance, log, log, log, log, log, log, loop, loop, loop, loopDoWhile, loopDoWhile, markRollbackOnly, markRollbackOnlyLast, marshal, marshal, marshal, marshal, multicast, multicast, multicast, onCompletion, onException, onException, pipeline, pipeline, pipeline, pipeline, policy, policy, pollEnrich, pollEnrich, pollEnrich, pollEnrich, pollEnrich, pollEnrich, pollEnrich, pollEnrich, pollEnrich, pollEnrich, pollEnrich, pollEnrich, pollEnrich, pollEnrich, pollEnrich, pollEnrich, pollEnrich, pollEnrichWith, pollEnrichWith, pollEnrichWith, pollEnrichWith, pollEnrichWith, pollEnrichWith, process, process, process, recipientList, recipientList, recipientList, recipientList, removeHeader, removeHeaders, removeHeaders, removeProperties, removeProperties, removeProperty, resequence, resequence, rollback, rollback, routeDescription, routeGroup, routeId, routingSlip, routingSlip, routingSlip, saga, sample, sample, sample, sample, script, script, serviceCall, serviceCall, serviceCall, setBody, setBody, setBody, setExchangePattern, setHeader, setHeader, setHeader, setInheritErrorHandler, setParent, setProperty, setProperty, setProperty, sort, sort, sort, split, split, split, split, startupOrder, step, step, stop, threads, threads, threads, threads, throttle, throttle, throttle, throttle, throttle, throwException, throwException, to, to, to, to, to, to, to, to, to, to, to, to, to, to, toD, toD, toD, toD, toD, toD, toD, toF, transacted, transacted, transform, transform, unmarshal, unmarshal, unmarshal, unmarshal, validate, validate, validate, wireTap, wireTap, wireTap

Methods inherited from class org.apache.camel.model.OptionalIdentifiedDefinition

description, description, getCustomId, getDescription, getDescriptionText, getId, hasCustomIdAssigned, idOrCreate, setCustomId, setDescription, setGeneratedId, setId

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.camel.model.ExecutorServiceAwareDefinition

executorService

Constructor Detail

ThrottleDefinition

public ThrottleDefinition()

ThrottleDefinition

public ThrottleDefinition(org.apache.camel.Expression maximumRequestsPerPeriod)

ThrottleDefinition

public ThrottleDefinition(org.apache.camel.Expression maximumRequestsPerPeriod,
                          org.apache.camel.Expression correlationExpression)

Method Detail

toString

public String toString()

Overrides:

toString in class Object

description

protected String description()

getShortName

public String getShortName()

Specified by:

getShortName in interface org.apache.camel.NamedNode

getLabel

public String getLabel()

Description copied from class: ProcessorDefinition

Returns a label to describe this node such as the expression if some kind of expression node

Specified by:

getLabel in interface org.apache.camel.NamedNode

Overrides:

getLabel in class ExpressionNode

timePeriodMillis

public ThrottleDefinition timePeriodMillis(long timePeriodMillis)

Sets the time period during which the maximum request count is valid for

Parameters:

timePeriodMillis - period in millis

Returns:

the builder

timePeriodMillis

public ThrottleDefinition timePeriodMillis(String timePeriodMillis)

Sets the time period during which the maximum request count is valid for

Parameters:

timePeriodMillis - period in millis

Returns:

the builder

maximumRequestsPerPeriod

public ThrottleDefinition maximumRequestsPerPeriod(long maximumRequestsPerPeriod)

Sets the time period during which the maximum request count per period

Parameters:

maximumRequestsPerPeriod - the maximum request count number per time period

Returns:

the builder

maximumRequestsPerPeriod

public ThrottleDefinition maximumRequestsPerPeriod(String maximumRequestsPerPeriod)

Sets the time period during which the maximum request count per period

Parameters:

maximumRequestsPerPeriod - the maximum request count number per time period

Returns:

the builder

correlationExpression

public ThrottleDefinition correlationExpression(long correlationExpression)

To use a correlation expression that can throttle by the given key instead of overall throttling

Parameters:

correlationExpression - is a correlation key as a long number that can throttle by the given key instead of overall throttling

Returns:

the builder

correlationExpression

public ThrottleDefinition correlationExpression(org.apache.camel.Expression correlationExpression)

To use a correlation expression that can throttle by the given key instead of overall throttling

Parameters:

correlationExpression - is a correlation key as an expression that can throttle by the given key instead of overall throttling

Returns:

the builder

callerRunsWhenRejected

public ThrottleDefinition callerRunsWhenRejected(boolean callerRunsWhenRejected)

Whether or not the caller should run the task when it was rejected by the thread pool.

Is by default true

Parameters:

callerRunsWhenRejected - whether or not the caller should run

Returns:

the builder

callerRunsWhenRejected

public ThrottleDefinition callerRunsWhenRejected(String callerRunsWhenRejected)

Whether or not the caller should run the task when it was rejected by the thread pool.

Is by default true

Parameters:

callerRunsWhenRejected - whether or not the caller should run

Returns:

the builder

asyncDelayed

public ThrottleDefinition asyncDelayed()

Enables asynchronous delay which means the thread will not block while delaying.

Returns:

the builder

asyncDelayed

public ThrottleDefinition asyncDelayed(boolean asyncDelayed)

Enables asynchronous delay which means the thread will not block while delaying.

Returns:

the builder

asyncDelayed

public ThrottleDefinition asyncDelayed(String asyncDelayed)

Enables asynchronous delay which means the thread will not block while delaying.

Returns:

the builder

rejectExecution

public ThrottleDefinition rejectExecution(boolean rejectExecution)

Whether or not throttler throws the ThrottlerRejectedExecutionException when the exchange exceeds the request limit

Is by default false

Parameters:

rejectExecution - throw the RejectExecutionException if the exchange exceeds the request limit

Returns:

the builder

rejectExecution

public ThrottleDefinition rejectExecution(String rejectExecution)

Whether or not throttler throws the ThrottlerRejectedExecutionException when the exchange exceeds the request limit

Is by default false

Parameters:

rejectExecution - throw the RejectExecutionException if the exchange exceeds the request limit

Returns:

the builder

executorService

public ThrottleDefinition executorService(ExecutorService executorService)

To use a custom thread pool (ScheduledExecutorService) by the throttler.

Specified by:

executorService in interface ExecutorServiceAwareDefinition<ThrottleDefinition>

Parameters:

executorService - the custom thread pool (must be scheduled)

Returns:

the builder

executorServiceRef

public ThrottleDefinition executorServiceRef(String executorServiceRef)

To use a custom thread pool (ScheduledExecutorService) by the throttler.

Specified by:

executorServiceRef in interface ExecutorServiceAwareDefinition<ThrottleDefinition>

Parameters:

executorServiceRef - the reference id of the thread pool (must be scheduled)

Returns:

the builder

setExpression

public void setExpression(ExpressionDefinition expression)

Expression to configure the maximum number of messages to throttle per request

Overrides:

setExpression in class ExpressionNode

getTimePeriodMillis

public String getTimePeriodMillis()

setTimePeriodMillis

public void setTimePeriodMillis(String timePeriodMillis)

getAsyncDelayed

public String getAsyncDelayed()

setAsyncDelayed

public void setAsyncDelayed(String asyncDelayed)

getCallerRunsWhenRejected

public String getCallerRunsWhenRejected()

setCallerRunsWhenRejected

public void setCallerRunsWhenRejected(String callerRunsWhenRejected)

getExecutorService

public ExecutorService getExecutorService()

Specified by:

getExecutorService in interface org.apache.camel.ExecutorServiceAware

setExecutorService

public void setExecutorService(ExecutorService executorService)

Specified by:

setExecutorService in interface org.apache.camel.ExecutorServiceAware

getExecutorServiceRef

public String getExecutorServiceRef()

Specified by:

getExecutorServiceRef in interface org.apache.camel.ExecutorServiceAware

setExecutorServiceRef

public void setExecutorServiceRef(String executorServiceRef)

Specified by:

setExecutorServiceRef in interface org.apache.camel.ExecutorServiceAware

getRejectExecution

public String getRejectExecution()

setRejectExecution

public void setRejectExecution(String rejectExecution)

setCorrelationExpression

public void setCorrelationExpression(ExpressionSubElementDefinition correlationExpression)

The expression used to calculate the correlation key to use for throttle grouping. The Exchange which has the same correlation key is throttled together.

getCorrelationExpression

public ExpressionSubElementDefinition getCorrelationExpression()