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

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

All Implemented Interfaces:

MethodMetricsContext

public class DisabledMethodMetricsContext
extends Object
implements MethodMetricsContext

Dummy implementation of MethodMetricsContext. All the methods do nothing. A singleton. Instead of returning null when return type is MethodMetricsContext, return getInstance() instead of null/Optional object.

Nested Class Summary

static class

DisabledMethodMetricsContext.InstanceHolder

Method Summary

static DisabledMethodMetricsContext	getInstance()
void	markError() Error came.
void	markSuccess() Method succeeded.

Methods inherited from class java.lang.Object

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

Method Detail

getInstance

public static DisabledMethodMetricsContext getInstance()

markError

public void markError()

Description copied from interface: MethodMetricsContext

Error came. Mark it.

Specified by:

markError in interface MethodMetricsContext

markSuccess

public void markSuccess()

Description copied from interface: MethodMetricsContext

Method succeeded. mark it.

Specified by:

markSuccess in interface MethodMetricsContext