org.apache.hadoop.tracing

Class NullTraceScope

java.lang.Object

org.apache.hadoop.tracing.TraceScope

org.apache.hadoop.tracing.NullTraceScope

All Implemented Interfaces:

Closeable, AutoCloseable

public class NullTraceScope
extends TraceScope

Field Summary

Fields

Modifier and Type	Field and Description
static NullTraceScope	INSTANCE

Constructor Summary

Constructors

Constructor and Description
NullTraceScope()

Method Summary

Methods inherited from class org.apache.hadoop.tracing.TraceScope

addKVAnnotation, addKVAnnotation, addTimelineAnnotation, close, detach, getSpan, reattach, span

Methods inherited from class java.lang.Object

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

Field Detail

INSTANCE

public static final NullTraceScope INSTANCE

Constructor Detail

NullTraceScope

public NullTraceScope()