org.apache.lens.server.api.metrics
Class MethodMetrics

java.lang.Object
  org.apache.lens.server.api.metrics.MethodMetrics

public class MethodMetrics
extends Object

metrics measuring for resource methods. Every resource method has one timer and two meters associated with it. One meter is marking number of invocations of the method, another is marking number of invocations where exception occurred.

Nested Class Summary

class

MethodMetrics.Context Inner class instances handle contexts for the same instance of MethodMetrics.

Constructor Summary

MethodMetrics(com.codahale.metrics.Meter meter, com.codahale.metrics.Timer successTimer, com.codahale.metrics.Timer exceptionTimer)

Method Summary

long	getCount()
long	getErrorCount()
long	getSuccessCount()
MethodMetricsContext	newContext() Create and return new context since an execution of this method has started

Methods inherited from class java.lang.Object

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

Constructor Detail

MethodMetrics

public MethodMetrics(@NonNull
                     com.codahale.metrics.Meter meter,
                     @NonNull
                     com.codahale.metrics.Timer successTimer,
                     @NonNull
                     com.codahale.metrics.Timer exceptionTimer)

Method Detail

newContext

public MethodMetricsContext newContext()

Create and return new context since an execution of this method has started

getCount

public long getCount()

getSuccessCount

public long getSuccessCount()

getErrorCount

public long getErrorCount()