com.databasesandlife.util

Class Timer

java.lang.Object

com.databasesandlife.util.Timer

All Implemented Interfaces:

AutoCloseable

public class Timer
extends Object
implements AutoCloseable

Times a calculation.

Usage:

try (Timer ignored = new Timer("doing something")) { ... }

Author:

This source is copyright Adrian Smith and licensed under the LGPL 3.

See Also:

Project on GitHub

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	Timer.TimerResult

Field Summary

Fields

Modifier and Type	Field and Description
protected String	name

Constructor Summary

Constructors

Constructor and Description
Timer(String x)

Method Summary

Modifier and Type	Method and Description
void	close()
static void	end(String name) Deprecated. use try (Timer ignored = new Timer("...")) { .. } instead
static String	formatDurationNanos(long durationNanoSeconds)
protected static String	getPrefix()
static Timer.TimerResult	measureWallclockTime(Runnable task, long minimumDurationMillis)
static void	start(String name) Deprecated. use try (Timer ignored = new Timer("...")) { .. } instead

Methods inherited from class java.lang.Object

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

Field Detail

name

protected String name

Constructor Detail

Timer

public Timer(String x)

Method Detail

getPrefix

protected static String getPrefix()

start

public static void start(String name)

Deprecated. use try (Timer ignored = new Timer("...")) { .. } instead

formatDurationNanos

public static String formatDurationNanos(long durationNanoSeconds)

end

public static void end(String name)

Deprecated. use try (Timer ignored = new Timer("...")) { .. } instead

measureWallclockTime

public static Timer.TimerResult measureWallclockTime(Runnable task,
                                                     long minimumDurationMillis)

Parameters:

task - runs this multiple times

minimumDurationMillis - thousandths of a second

See Also:

com.google.common.base.Stopwatch

close

public void close()

Specified by:

close in interface AutoCloseable