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

Nested Classes

Modifier and Type	Class and Description
class	MethodMetrics.Context Inner class instances handle contexts for the same instance of MethodMetrics.

Constructor Summary

Constructors

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

Method Summary

Methods

Modifier and Type	Method and Description
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()