tsdb.util

Class Timer

java.lang.Object

tsdb.util.Timer

All Implemented Interfaces:

java.io.Serializable, java.lang.AutoCloseable, java.lang.Iterable<Timer>

public final class Timer
extends java.lang.Object
implements java.lang.AutoCloseable, java.io.Serializable, java.lang.Iterable<Timer>

Timer measures duration of time-span between start and stop calls. Multiple time measurements are distinguished by name.

thread-safe

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
long	begin
long	end
java.lang.String	name

Constructor Summary

Constructors

Constructor and Description
Timer(java.lang.String name)
Timer(java.lang.String name, long begin)
Timer(java.lang.String name, long begin, long end)

Method Summary

Modifier and Type	Method and Description
void	close()
static Timer	get(java.lang.String name)
java.util.Iterator<Timer>	iterator()
static java.lang.String	msToText(long start, long end) Convert duration to text
static Timer	put(Timer it)
Timer	remove(java.lang.String name) Removes timer.
Timer	restart()
static Timer	start(java.lang.String name) Start a new timer or restart an existing timer.
Timer	stop()
static Timer	stop(java.lang.String name) Stop a started timer.
void	stopAndPrint()
static void	stopAndPrint(java.lang.String name) Stop a started timer and Print duration.
static void	stopAndPrint(java.lang.String name, java.lang.String text) Stop a started timer and Print duration with additional text.
void	stopAndPrintText(java.lang.String text)
java.lang.String	toString()
static java.lang.String	toStringAll() All timers to text separated by newline.

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.lang.Iterable

forEach, spliterator

Field Detail

name

public final java.lang.String name

begin

public long begin

end

public long end

Constructor Detail

Timer

public Timer(java.lang.String name,
             long begin,
             long end)

Timer

public Timer(java.lang.String name,
             long begin)

Timer

public Timer(java.lang.String name)

Method Detail

close

public void close()

Specified by:

close in interface java.lang.AutoCloseable

stop

public Timer stop()

restart

public Timer restart()

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

stopAndPrint

public void stopAndPrint()

stopAndPrintText

public void stopAndPrintText(java.lang.String text)

start

public static Timer start(java.lang.String name)

Start a new timer or restart an existing timer.

Parameters:

name -

Returns:

start time-stamp

stop

public static Timer stop(java.lang.String name)

Stop a started timer.

Parameters:

name -

Returns:

interval of time

stopAndPrint

public static void stopAndPrint(java.lang.String name)

Stop a started timer and Print duration.

Parameters:

name -

stopAndPrint

public static void stopAndPrint(java.lang.String name,
                                java.lang.String text)

Stop a started timer and Print duration with additional text.

Parameters:

name -

text - additional text

msToText

public static java.lang.String msToText(long start,
                                        long end)

Convert duration to text

Parameters:

start -

end -

Returns:

toStringAll

public static java.lang.String toStringAll()

All timers to text separated by newline.

Returns:

remove

public Timer remove(java.lang.String name)

Removes timer.

Parameters:

name -

Returns:

put

public static Timer put(Timer it)

get

public static Timer get(java.lang.String name)

iterator

public java.util.Iterator<Timer> iterator()

Specified by:

iterator in interface java.lang.Iterable<Timer>