org.csstudio.data.values

Class TimestampFactory

java.lang.Object

org.csstudio.data.values.TimestampFactory

public final class TimestampFactory
extends Object

A factory for ITimestamp time stamps.

Author:

Sven Wende, Kay Kasemir

Method Summary

Modifier and Type	Method and Description
static ITimestamp	createTimestamp(long seconds, long nanoseconds) Creates a time stamp based on the specified seconds and nanoseconds.
static ITimestamp	fromCalendar(Calendar calendar) Create a time stamp for the given Calendar.
static ITimestamp	fromDouble(double seconds) Creates a time stamp based on the specified seconds.
static ITimestamp	fromMillisecs(long millisecs) Create a time stamp for the given milliseconds since the epoch.
static ITimestamp	now() Creates a time stamp for the current system time.

Methods inherited from class java.lang.Object

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

Method Detail

createTimestamp

public static ITimestamp createTimestamp(long seconds,
                                         long nanoseconds)

Creates a time stamp based on the specified seconds and nanoseconds.

Refer to ITimestamp for details on epoch etc.

The nanoseconds will get normalised, i.e. it's OK to provide nanoseconds that amount to seconds.

Parameters:

seconds - Seconds since 1970 epoch

nanoseconds - Nanoseconds within the seconds

Returns:

New time stamp

now

public static ITimestamp now()

Creates a time stamp for the current system time.

Returns:

Time stamp set to the current system time

fromDouble

public static ITimestamp fromDouble(double seconds)

Creates a time stamp based on the specified seconds.

Refer to ITimestamp for details on epoch etc.

Parameters:

seconds - Seconds since 1970 epoch

Returns:

New time stamp

fromCalendar

public static ITimestamp fromCalendar(Calendar calendar)

Create a time stamp for the given Calendar.

Parameters:

calendar - Calendar value to convert into time stamp

Returns:

Time stamp set to given Calendar value.

fromMillisecs

public static ITimestamp fromMillisecs(long millisecs)

Create a time stamp for the given milliseconds since the epoch.

Parameters:

millisecs - Milliseconds since 1970 epoch

Returns:

Time stamp set to given milliseconds.