org.slf4j.profiler
Class Profiler

java.lang.Object
  extended by org.slf4j.profiler.Profiler
All Implemented Interfaces:
TimeInstrument

public class Profiler
extends Object
implements TimeInstrument

A poor man's profiler to measure the time elapsed performing some lengthy task.

Author:
Ceki Gülcü

Constructor Summary
Profiler(String name)
           
 
Method Summary
 long elapsedTime()
          Time elapsed between start and stop, in nanoseconds.
 List<TimeInstrument> getCopyOfChildTimeInstruments()
          Return a copy of the child instrument list for this Profiler instance.
 StopWatch getCopyOfGlobalStopWatch()
          Return a copy of the global stopwath of this Profiler instance.
 Logger getLogger()
           
 String getName()
          All time instruments are named entities.
 ProfilerRegistry getProfilerRegistry()
           
 org.slf4j.profiler.TimeInstrumentStatus getStatus()
           
 void log()
          If the time instrument has an associated logger, then log information about this time instrument.
 void print()
          Print information about this time instrument on the console.
 void registerWith(ProfilerRegistry profilerRegistry)
           
 void setLogger(Logger logger)
           
 void start(String name)
          Starts a child stop watch and stops any previously started time instruments.
 Profiler startNested(String name)
           
 TimeInstrument stop()
          Stop this time instrument.
 String toString()
           
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
 

Constructor Detail

Profiler

public Profiler(String name)
Method Detail

getName

public String getName()
Description copied from interface: TimeInstrument
All time instruments are named entities.

Specified by:
getName in interface TimeInstrument
Returns:
the name of this instrument

getProfilerRegistry

public ProfilerRegistry getProfilerRegistry()

registerWith

public void registerWith(ProfilerRegistry profilerRegistry)

getLogger

public Logger getLogger()

setLogger

public void setLogger(Logger logger)

start

public void start(String name)
Starts a child stop watch and stops any previously started time instruments.

Specified by:
start in interface TimeInstrument

startNested

public Profiler startNested(String name)

elapsedTime

public long elapsedTime()
Description copied from interface: TimeInstrument
Time elapsed between start and stop, in nanoseconds.

Specified by:
elapsedTime in interface TimeInstrument
Returns:
time elapsed in nanoseconds

stop

public TimeInstrument stop()
Description copied from interface: TimeInstrument
Stop this time instrument.

Specified by:
stop in interface TimeInstrument
Returns:
this

getStatus

public org.slf4j.profiler.TimeInstrumentStatus getStatus()
Specified by:
getStatus in interface TimeInstrument

print

public void print()
Description copied from interface: TimeInstrument
Print information about this time instrument on the console.

Specified by:
print in interface TimeInstrument

toString

public String toString()
Overrides:
toString in class Object

log

public void log()
Description copied from interface: TimeInstrument
If the time instrument has an associated logger, then log information about this time instrument. Note that StopWatch instances cannot log while Profiler instances can.

Specified by:
log in interface TimeInstrument

getCopyOfChildTimeInstruments

public List<TimeInstrument> getCopyOfChildTimeInstruments()
Return a copy of the child instrument list for this Profiler instance.

Returns:
a copy of this instance's child time instrument list
Since:
1.5.9

getCopyOfGlobalStopWatch

public StopWatch getCopyOfGlobalStopWatch()
Return a copy of the global stopwath of this Profiler instance.

Returns:
a copy of this instance's global stop watch
Since:
1.5.9


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