com.facebook.presto.spi.tracing

Class NoopTracer

java.lang.Object

com.facebook.presto.spi.tracing.NoopTracer

All Implemented Interfaces:

Tracer

public class NoopTracer
extends Object
implements Tracer

Constructor Summary

Constructors

Constructor and Description
NoopTracer()

Method Summary

Modifier and Type	Method and Description
void	addPoint(String annotation) Add a single trace point with current time to the main block
void	addPointToBlock(String blockName, String annotation) Add a trace point with current time to the specified block
void	endBlock(String blockName, String annotation) End the specified block
void	endTrace(String annotation) End the entire trace
String	getTracerId()
void	startBlock(String blockName, String annotation) Add a new block starting at current time to the trace

Methods inherited from class java.lang.Object

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

Constructor Detail

NoopTracer

public NoopTracer()

Method Detail

addPoint

public void addPoint(String annotation)

Description copied from interface: Tracer

Add a single trace point with current time to the main block

Specified by:

addPoint in interface Tracer

Parameters:

annotation - message associated with the trace point

startBlock

public void startBlock(String blockName,
                       String annotation)

Description copied from interface: Tracer

Add a new block starting at current time to the trace

Specified by:

startBlock in interface Tracer

Parameters:

blockName - the name for the added tracing block

annotation - message associated with the start point of the block

addPointToBlock

public void addPointToBlock(String blockName,
                            String annotation)

Description copied from interface: Tracer

Add a trace point with current time to the specified block

Specified by:

addPointToBlock in interface Tracer

Parameters:

blockName - the name for the tracing block to add point to

annotation - message associated with the added point to the block

endBlock

public void endBlock(String blockName,
                     String annotation)

Description copied from interface: Tracer

End the specified block

Specified by:

endBlock in interface Tracer

Parameters:

blockName - the name for the tracing block to end

annotation - message associated with the end point of the block

endTrace

public void endTrace(String annotation)

Description copied from interface: Tracer

End the entire trace

Specified by:

endTrace in interface Tracer

Parameters:

annotation - message associated with the end point of the trace

getTracerId

public String getTracerId()

Specified by:

getTracerId in interface Tracer