org.apache.camel.processor.loadbalancer

Class CircuitBreakerLoadBalancer

java.lang.Object

org.apache.camel.support.ServiceSupport

org.apache.camel.processor.loadbalancer.LoadBalancerSupport

org.apache.camel.processor.loadbalancer.CircuitBreakerLoadBalancer

All Implemented Interfaces:

AsyncProcessor, CamelContextAware, Navigate<Processor>, Processor, LoadBalancer, Service, ShutdownableService, HasId, IdAware, StatefulService, SuspendableService, Traceable

public class CircuitBreakerLoadBalancer
extends LoadBalancerSupport
implements Traceable, CamelContextAware

Field Summary

Fields inherited from class org.apache.camel.processor.loadbalancer.LoadBalancerSupport

log

Fields inherited from class org.apache.camel.support.ServiceSupport

shutdown, shuttingdown, started, starting, stopped, stopping, suspended, suspending

Constructor Summary

Constructors

Constructor and Description
CircuitBreakerLoadBalancer()
CircuitBreakerLoadBalancer(List<Class<?>> exceptions)

Method Summary

Methods

Modifier and Type	Method and Description
protected void	doStart() Implementations override this method to support customized start/stop.
protected void	doStop() Implementations override this method to support customized start/stop.
String	dumpState()
CamelContext	getCamelContext() Get the CamelContext
ExceptionFailureStatistics	getExceptionFailureStatistics()
List<Class<?>>	getExceptions()
long	getHalfOpenAfter()
int	getState()
int	getThreshold()
String	getTraceLabel() Gets the trace label used for logging when tracing is enabled.
protected boolean	hasFailed(Exchange exchange) Has the given Exchange failed
boolean	isRunAllowed() Helper methods so the service knows if it should keep running.
boolean	process(Exchange exchange, AsyncCallback callback) Processes the message exchange.
void	reset()
void	setCamelContext(CamelContext camelContext) Injects the CamelContext
void	setHalfOpenAfter(long halfOpenAfter)
void	setThreshold(int threshold)
String	toString()

Methods inherited from class org.apache.camel.processor.loadbalancer.LoadBalancerSupport

addProcessor, doShutdown, getId, getProcessors, hasNext, next, process, removeProcessor, setId

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

doResume, doSuspend, getStatus, getVersion, isStarted, isStarting, 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, wait, wait, wait

Constructor Detail

CircuitBreakerLoadBalancer

public CircuitBreakerLoadBalancer()

CircuitBreakerLoadBalancer

public CircuitBreakerLoadBalancer(List<Class<?>> exceptions)

Method Detail

setHalfOpenAfter

public void setHalfOpenAfter(long halfOpenAfter)

getHalfOpenAfter

public long getHalfOpenAfter()

setThreshold

public void setThreshold(int threshold)

getThreshold

public int getThreshold()

getState

public int getState()

getCamelContext

public CamelContext getCamelContext()

Description copied from interface: CamelContextAware

Get the CamelContext

Specified by:

getCamelContext in interface CamelContextAware

Returns:

camelContext the Camel context

setCamelContext

public void setCamelContext(CamelContext camelContext)

Description copied from interface: CamelContextAware

Injects the CamelContext

Specified by:

setCamelContext in interface CamelContextAware

Parameters:

camelContext - the Camel context

getExceptions

public List<Class<?>> getExceptions()

hasFailed

protected boolean hasFailed(Exchange exchange)

Has the given Exchange failed

isRunAllowed

public boolean isRunAllowed()

Description copied from interface: StatefulService

Helper methods so the service knows if it should keep running. Returns false if the service is being stopped or is stopped.

Specified by:

isRunAllowed in interface StatefulService

Overrides:

isRunAllowed in class ServiceSupport

Returns:

true if the service should continue to run.

process

public boolean process(Exchange exchange,
              AsyncCallback callback)

Description copied from interface: AsyncProcessor

Processes the message exchange. Similar to Processor.process(org.apache.camel.Exchange), but the caller supports having the exchange asynchronously processed.

If there was a failure processing then the caused Exception would be set on the Exchange.

Specified by:

process in interface AsyncProcessor

Parameters:

exchange - the message exchange

callback - the AsyncCallback will be invoked when the processing of the exchange is completed. If the exchange is completed synchronously, then the callback is also invoked synchronously. The callback should therefore be careful of starting recursive loop.

Returns:

(doneSync) true to continue execute synchronously, false to continue being executed asynchronously

dumpState

public String dumpState()

toString

public String toString()

Overrides:

toString in class Object

getTraceLabel

public String getTraceLabel()

Description copied from interface: Traceable

Gets the trace label used for logging when tracing is enabled.

The label should be short and precise.

Specified by:

getTraceLabel in interface Traceable

Returns:

the label

getExceptionFailureStatistics

public ExceptionFailureStatistics getExceptionFailureStatistics()

reset

public void reset()

doStart

protected void doStart()
                throws Exception

Description copied from class: ServiceSupport

Implementations override this method to support customized start/stop.

Important: See ServiceSupport.doStop() for more details.

Overrides:

doStart in class LoadBalancerSupport

Throws:

Exception

See Also:

ServiceSupport.doStop()

doStop

protected void doStop()
               throws Exception

Description copied from class: ServiceSupport

Implementations override this method to support customized start/stop.

Important: Camel will invoke this ServiceSupport.doStop() method when the service is being stopped. This method will also be invoked if the service is still in uninitialized state (eg has not been started). The method is always called to allow the service to do custom logic when the service is being stopped, such as when CamelContext is shutting down.

Overrides:

doStop in class LoadBalancerSupport

Throws:

Exception

See Also:

ServiceSupport.doStart()