/**
* Parses two related at-style time specifications and returns corresponding timestamps. For example:<p>
* <pre>
* long[] t = Util.getTimestamps("end-1d","now");
* </pre>
*
* @param atStyleTimeSpec1 Starting at-style time specification. For the complete explanation of the syntax
* allowed see RRDTool's <code>rrdfetch</code> man page.<p>
* @param atStyleTimeSpec2 Ending at-style time specification. For the complete explanation of the syntax
* allowed see RRDTool's <code>rrdfetch</code> man page.<p>
* @return An array of two longs representing starting and ending timestamp in seconds since epoch.
*/
public static long[] getTimestamps(String atStyleTimeSpec1, String atStyleTimeSpec2)
{
TimeSpec timeSpec1 = new TimeParser(atStyleTimeSpec1).parse();
TimeSpec timeSpec2 = new TimeParser(atStyleTimeSpec2).parse();
return TimeSpec.getTimestamps(timeSpec1, timeSpec2);
}
/**
* Parses at-style time specification and returns the corresponding timestamp. For example:<p>
* <pre>
* long t = Util.getTimestamp("now-1d");
* </pre>
*
* @param atStyleTimeSpec at-style time specification. For the complete explanation of the syntax
* allowed see RRDTool's <code>rrdfetch</code> man page.<p>
* @return timestamp in seconds since epoch.
*/
public static long getTimestamp(String atStyleTimeSpec)
{
TimeSpec timeSpec = new TimeParser(atStyleTimeSpec).parse();
return timeSpec.getTimestamp();
}
