Package org.apache.camel.component.resilience4j

Class ResilienceProcessor

java.lang.Object

org.apache.camel.support.service.BaseService

org.apache.camel.support.service.ServiceSupport

org.apache.camel.support.AsyncProcessorSupport

org.apache.camel.component.resilience4j.ResilienceProcessor

All Implemented Interfaces:

AutoCloseable, org.apache.camel.AsyncProcessor, org.apache.camel.CamelContextAware, org.apache.camel.Navigate<org.apache.camel.Processor>, org.apache.camel.Processor, org.apache.camel.Service, org.apache.camel.ShutdownableService, org.apache.camel.spi.HasCamelContext, org.apache.camel.spi.HasId, org.apache.camel.spi.IdAware, org.apache.camel.spi.RouteIdAware, org.apache.camel.StatefulService, org.apache.camel.SuspendableService, org.apache.camel.Traceable

@ManagedResource(description="Managed Resilience Processor")
public class ResilienceProcessor
extends org.apache.camel.support.AsyncProcessorSupport
implements org.apache.camel.CamelContextAware, org.apache.camel.Navigate<org.apache.camel.Processor>, org.apache.camel.Traceable, org.apache.camel.spi.IdAware, org.apache.camel.spi.RouteIdAware

Implementation of Circuit Breaker EIP using resilience4j.

Field Summary

Fields inherited from class org.apache.camel.support.service.BaseService

BUILT, FAILED, INITIALIZED, INITIALIZING, lock, NEW, SHUTDOWN, SHUTTING_DOWN, STARTED, STARTING, status, STOPPED, STOPPING, SUSPENDED, SUSPENDING

Constructor Summary

Constructors

Constructor	Description
ResilienceProcessor(io.github.resilience4j.circuitbreaker.CircuitBreakerConfig circuitBreakerConfig, io.github.resilience4j.bulkhead.BulkheadConfig bulkheadConfig, io.github.resilience4j.timelimiter.TimeLimiterConfig timeLimiterConfig, org.apache.camel.Processor processor, org.apache.camel.Processor fallback, boolean throwExceptionWhenHalfOpenOrOpenState)

Method Summary

Modifier and Type	Method	Description
protected void	doBuild()
protected void	doShutdown()
protected void	doStart()
protected void	doStop()
int	getBulkheadMaxConcurrentCalls()
long	getBulkheadMaxWaitDuration()
org.apache.camel.CamelContext	getCamelContext()
io.github.resilience4j.circuitbreaker.CircuitBreaker	getCircuitBreaker()
float	getCircuitBreakerFailureRateThreshold()
int	getCircuitBreakerMinimumNumberOfCalls()
int	getCircuitBreakerPermittedNumberOfCallsInHalfOpenState()
int	getCircuitBreakerSlidingWindowSize()
String	getCircuitBreakerSlidingWindowType()
float	getCircuitBreakerSlowCallRateThreshold()
String	getCircuitBreakerState()
long	getCircuitBreakerWaitDurationInOpenState()
ExecutorService	getExecutorService()
float	getFailureRate()
String	getId()
int	getNumberOfBufferedCalls()
int	getNumberOfFailedCalls()
long	getNumberOfNotPermittedCalls()
int	getNumberOfSlowCalls()
int	getNumberOfSlowFailedCalls()
int	getNumberOfSlowSuccessfulCalls()
int	getNumberOfSuccessfulCalls()
String	getRouteId()
float	getSlowCallRate()
long	getTimeoutDuration()
String	getTraceLabel()
boolean	hasNext()
boolean	isBulkheadEnabled()
boolean	isCircuitBreakerTransitionFromOpenToHalfOpenEnabled()
boolean	isCircuitBreakerWritableStackTraceEnabled()
boolean	isShutdownExecutorService()
boolean	isTimeoutEnabled()
List<org.apache.camel.Processor>	next()
boolean	process(org.apache.camel.Exchange exchange, org.apache.camel.AsyncCallback callback)
void	setCamelContext(org.apache.camel.CamelContext camelContext)
void	setCircuitBreaker(io.github.resilience4j.circuitbreaker.CircuitBreaker circuitBreaker)
void	setExecutorService(ExecutorService executorService)
void	setId(String id)
void	setRouteId(String routeId)
void	setShutdownExecutorService(boolean shutdownExecutorService)
void	transitionToCloseState()
void	transitionToForcedOpenState()
void	transitionToHalfOpenState()
void	transitionToOpenState()

Methods inherited from class org.apache.camel.support.AsyncProcessorSupport

process, processAsync

Methods inherited from class org.apache.camel.support.service.BaseService

build, doFail, doInit, doLifecycleChange, doResume, doSuspend, fail, getInternalLock, getStatus, init, isBuild, isInit, isNew, isRunAllowed, isShutdown, isStarted, isStarting, isStartingOrStarted, isStopped, isStopping, isStoppingOrStopped, isSuspended, isSuspending, isSuspendingOrSuspended, resume, shutdown, start, stop, suspend

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.camel.spi.IdAware

setGeneratedId

Methods inherited from interface org.apache.camel.Service

build, close, init, start, stop

Methods inherited from interface org.apache.camel.ShutdownableService

shutdown

Methods inherited from interface org.apache.camel.StatefulService

getStatus, isRunAllowed, isStarted, isStarting, isStopped, isStopping, isSuspending

Methods inherited from interface org.apache.camel.SuspendableService

isSuspended, resume, suspend

Constructor Details

ResilienceProcessor

public ResilienceProcessor(io.github.resilience4j.circuitbreaker.CircuitBreakerConfig circuitBreakerConfig,
 io.github.resilience4j.bulkhead.BulkheadConfig bulkheadConfig,
 io.github.resilience4j.timelimiter.TimeLimiterConfig timeLimiterConfig,
 org.apache.camel.Processor processor,
 org.apache.camel.Processor fallback,
 boolean throwExceptionWhenHalfOpenOrOpenState)

Method Details

doBuild

protected void doBuild()
                throws Exception

Overrides:

doBuild in class org.apache.camel.support.service.BaseService

Throws:

Exception

doStart

protected void doStart()
                throws Exception

Overrides:

doStart in class org.apache.camel.support.service.BaseService

Throws:

Exception

doStop

protected void doStop()
               throws Exception

Overrides:

doStop in class org.apache.camel.support.service.BaseService

Throws:

Exception

doShutdown

protected void doShutdown()
                   throws Exception

Overrides:

doShutdown in class org.apache.camel.support.service.BaseService

Throws:

Exception

getCamelContext

public org.apache.camel.CamelContext getCamelContext()

Specified by:

getCamelContext in interface org.apache.camel.spi.HasCamelContext

setCamelContext

public void setCamelContext(org.apache.camel.CamelContext camelContext)

Specified by:

setCamelContext in interface org.apache.camel.CamelContextAware

getId

public String getId()

Specified by:

getId in interface org.apache.camel.spi.HasId

setId

public void setId(String id)

Specified by:

setId in interface org.apache.camel.spi.IdAware

getRouteId

public String getRouteId()

Specified by:

getRouteId in interface org.apache.camel.spi.RouteIdAware

setRouteId

public void setRouteId(String routeId)

Specified by:

setRouteId in interface org.apache.camel.spi.RouteIdAware

getCircuitBreaker

public io.github.resilience4j.circuitbreaker.CircuitBreaker getCircuitBreaker()

setCircuitBreaker

public void setCircuitBreaker(io.github.resilience4j.circuitbreaker.CircuitBreaker circuitBreaker)

isShutdownExecutorService

public boolean isShutdownExecutorService()

setShutdownExecutorService

public void setShutdownExecutorService(boolean shutdownExecutorService)

getExecutorService

public ExecutorService getExecutorService()

setExecutorService

public void setExecutorService(ExecutorService executorService)

getTraceLabel

public String getTraceLabel()

Specified by:

getTraceLabel in interface org.apache.camel.Traceable

getFailureRate

@ManagedAttribute(description="Returns the current failure rate in percentage.")
public float getFailureRate()

getSlowCallRate

@ManagedAttribute(description="Returns the current percentage of calls which were slower than a certain threshold.")
public float getSlowCallRate()

getNumberOfSlowCalls

@ManagedAttribute(description="Returns the current total number of calls which were slower than a certain threshold.")
public int getNumberOfSlowCalls()

getNumberOfSlowSuccessfulCalls

@ManagedAttribute(description="Returns the current number of successful calls which were slower than a certain threshold.")
public int getNumberOfSlowSuccessfulCalls()

getNumberOfSlowFailedCalls

@ManagedAttribute(description="Returns the current number of failed calls which were slower than a certain threshold.")
public int getNumberOfSlowFailedCalls()

getNumberOfBufferedCalls

@ManagedAttribute(description="Returns the current total number of buffered calls in the ring buffer.")
public int getNumberOfBufferedCalls()

getNumberOfFailedCalls

@ManagedAttribute(description="Returns the current number of failed buffered calls in the ring buffer.")
public int getNumberOfFailedCalls()

getNumberOfSuccessfulCalls

@ManagedAttribute(description="Returns the current number of successful buffered calls in the ring buffer")
public int getNumberOfSuccessfulCalls()

getNumberOfNotPermittedCalls

@ManagedAttribute(description="Returns the current number of not permitted calls, when the state is OPEN.")
public long getNumberOfNotPermittedCalls()

getCircuitBreakerState

@ManagedAttribute(description="Returns the current state of the circuit breaker")
public String getCircuitBreakerState()

transitionToCloseState

@ManagedOperation(description="Transitions the circuit breaker to CLOSED state.")
public void transitionToCloseState()

transitionToOpenState

@ManagedOperation(description="Transitions the circuit breaker to OPEN state.")
public void transitionToOpenState()

transitionToHalfOpenState

@ManagedOperation(description="Transitions the circuit breaker to HALF_OPEN state.")
public void transitionToHalfOpenState()

transitionToForcedOpenState

@ManagedOperation(description="Transitions the state machine to a FORCED_OPEN state, stopping state transition, metrics and event publishing.")
public void transitionToForcedOpenState()

getCircuitBreakerFailureRateThreshold

@ManagedAttribute
public float getCircuitBreakerFailureRateThreshold()

getCircuitBreakerSlowCallRateThreshold

@ManagedAttribute
public float getCircuitBreakerSlowCallRateThreshold()

getCircuitBreakerMinimumNumberOfCalls

@ManagedAttribute
public int getCircuitBreakerMinimumNumberOfCalls()

getCircuitBreakerPermittedNumberOfCallsInHalfOpenState

@ManagedAttribute
public int getCircuitBreakerPermittedNumberOfCallsInHalfOpenState()

getCircuitBreakerSlidingWindowSize

@ManagedAttribute
public int getCircuitBreakerSlidingWindowSize()

getCircuitBreakerSlidingWindowType

@ManagedAttribute
public String getCircuitBreakerSlidingWindowType()

getCircuitBreakerWaitDurationInOpenState

@ManagedAttribute
public long getCircuitBreakerWaitDurationInOpenState()

isCircuitBreakerTransitionFromOpenToHalfOpenEnabled

@ManagedAttribute
public boolean isCircuitBreakerTransitionFromOpenToHalfOpenEnabled()

isCircuitBreakerWritableStackTraceEnabled

@ManagedAttribute
public boolean isCircuitBreakerWritableStackTraceEnabled()

isBulkheadEnabled

@ManagedAttribute
public boolean isBulkheadEnabled()

getBulkheadMaxConcurrentCalls

@ManagedAttribute
public int getBulkheadMaxConcurrentCalls()

getBulkheadMaxWaitDuration

@ManagedAttribute
public long getBulkheadMaxWaitDuration()

isTimeoutEnabled

@ManagedAttribute
public boolean isTimeoutEnabled()

getTimeoutDuration

@ManagedAttribute
public long getTimeoutDuration()

next

public List<org.apache.camel.Processor> next()

Specified by:

next in interface org.apache.camel.Navigate<org.apache.camel.Processor>

hasNext

public boolean hasNext()

Specified by:

hasNext in interface org.apache.camel.Navigate<org.apache.camel.Processor>

process

public boolean process(org.apache.camel.Exchange exchange,
 org.apache.camel.AsyncCallback callback)

Specified by:

process in interface org.apache.camel.AsyncProcessor