org.apache.giraph.time

Class Times

java.lang.Object

org.apache.giraph.time.Times

public class Times
extends Object

Utility methods for Time classes.

Method Summary

Modifier and Type	Method and Description
static long	get(Time time, TimeUnit timeUnit) Convenience method to measure time in a given TimeUnit.
static long	getDiff(Time time, TimeUnit timeUnit, long startTime) Convenience method to get time since the beginning of an event in a given TimeUnit.
static long	getMicrosSince(Time time, long previousMicros) Convenience method to get microseconds since a previous microseconds point.
static long	getMillisecondsSince(Time time, long previousMilliseconds) Convenience method to get milliseconds since a previous milliseconds point.
static long	getMsSince(Time time, long previousMs) Convenience method to get milliseconds since a previous milliseconds point.
static long	getNanosecondsSince(Time time, long previousNanoseconds) Convenience method to get nanoseconds since a previous nanoseconds point.
static long	getNanosSince(Time time, long previousNanos) Convenience method to get nanoseconds since a previous nanoseconds point.
static int	getSecondsSince(Time time, int previousSeconds) Convenience method to get seconds since a previous seconds point.
static int	getSecSince(Time time, int previousSec) Convenience method to get seconds since a previous seconds point.

Methods inherited from class java.lang.Object

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

Method Detail

get

public static long get(Time time,
                       TimeUnit timeUnit)

Convenience method to measure time in a given TimeUnit.

Parameters:

time - Time instance to use

timeUnit - TimeUnit to measure in

Returns:

long measured time in TimeUnit dimension

getDiff

public static long getDiff(Time time,
                           TimeUnit timeUnit,
                           long startTime)

Convenience method to get time since the beginning of an event in a given TimeUnit.

Parameters:

time - Time object used for measuring.

timeUnit - TimeUnit to use for dimension.

startTime - beginning time to diff against

Returns:

time elapsed since startTime in TimeUnit dimension.

getMillisecondsSince

public static long getMillisecondsSince(Time time,
                                        long previousMilliseconds)

Convenience method to get milliseconds since a previous milliseconds point.

Parameters:

time - Time instance to use

previousMilliseconds - Previous milliseconds

Returns:

Milliseconds elapsed since the previous milliseconds

getMsSince

public static long getMsSince(Time time,
                              long previousMs)

Convenience method to get milliseconds since a previous milliseconds point.

Parameters:

time - Time instance to use

previousMs - Previous milliseconds

Returns:

Milliseconds elapsed since the previous milliseconds

getMicrosSince

public static long getMicrosSince(Time time,
                                  long previousMicros)

Convenience method to get microseconds since a previous microseconds point.

Parameters:

time - Time instance to use

previousMicros - Previous microseconds

Returns:

Microseconds elapsed since the previous microseconds

getNanosecondsSince

public static long getNanosecondsSince(Time time,
                                       long previousNanoseconds)

Convenience method to get nanoseconds since a previous nanoseconds point.

Parameters:

time - Time instance to use

previousNanoseconds - Previous nanoseconds

Returns:

Nanoseconds elapsed since the previous nanoseconds

getNanosSince

public static long getNanosSince(Time time,
                                 long previousNanos)

Convenience method to get nanoseconds since a previous nanoseconds point.

Parameters:

time - Time instance to use

previousNanos - Previous nanoseconds

Returns:

Nanoseconds elapsed since the previous nanoseconds

getSecondsSince

public static int getSecondsSince(Time time,
                                  int previousSeconds)

Convenience method to get seconds since a previous seconds point.

Parameters:

time - Time instance to use

previousSeconds - Previous seconds

Returns:

Seconds elapsed since the previous seconds

getSecSince

public static int getSecSince(Time time,
                              int previousSec)

Convenience method to get seconds since a previous seconds point.

Parameters:

time - Time instance to use

previousSec - Previous seconds

Returns:

Seconds elapsed since the previous seconds