org.csstudio.data.values
Class TimestampFactory

java.lang.Object
  org.csstudio.data.values.TimestampFactory

public final class TimestampFactory
extends java.lang.Object

A factory for ITimestamp time stamps.

Author:

Sven Wende, Kay Kasemir

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 normalized, 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(java.util.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.

fromSQLTimestamp

public static ITimestamp fromSQLTimestamp(java.sql.Timestamp sql_time)

Convert SQL Timestamp into CSS Timestamp.

Parameters:

time - SQL Timestamp

Returns:

CSS ITimestamp