org.apache.camel.processor
Class SamplingThrottler
java.lang.Object
org.apache.camel.impl.ServiceSupport
org.apache.camel.processor.DelegateAsyncProcessor
org.apache.camel.processor.SamplingThrottler
- All Implemented Interfaces:
- AsyncProcessor, Navigate<Processor>, Processor, Service, ShutdownableService
public class SamplingThrottler
- extends DelegateAsyncProcessor
A SamplingThrottler
is a special kind of throttler. It also
limits the number of exchanges sent to a downstream endpoint. It differs from
a normal throttler in that it will not queue exchanges above the threshold
for a given period. Instead these exchanges will be stopped, precluding them
from being processed at all by downstream consumers.
This kind of throttling can be useful for taking a sample from
an exchange stream, rough consolidation of noisy and bursty exchange traffic
or where queuing of throttled exchanges is undesirable.
- Version:
Field Summary |
protected org.slf4j.Logger |
log
|
Methods inherited from class org.apache.camel.impl.ServiceSupport |
addChildService, doResume, doShutdown, doSuspend, getStatus, getVersion, isRunAllowed, isStarted, isStarting, isStopped, isStopping, isSuspended, isSuspending, removeChildService, resume, shutdown, start, start, stop, suspend |
log
protected final transient org.slf4j.Logger log
SamplingThrottler
public SamplingThrottler(Processor processor,
long messageFrequency)
SamplingThrottler
public SamplingThrottler(Processor processor,
long samplePeriod,
TimeUnit units)
toString
public String toString()
- Overrides:
toString
in class DelegateAsyncProcessor
getTraceLabel
public String getTraceLabel()
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
- Overrides:
process
in class DelegateAsyncProcessor
- Parameters:
exchange
- the message exchangecallback
- 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
- See Also:
AsyncProcessorHelper.process(AsyncProcessor, Exchange, AsyncCallback)
Apache CAMEL