org.apache.flume.tools
Class TimestampRoundDownUtil

java.lang.Object
  org.apache.flume.tools.TimestampRoundDownUtil

public class TimestampRoundDownUtil
extends Object

Constructor Summary

TimestampRoundDownUtil()

Method Summary

static long	roundDownTimeStampHours(long timestamp, int roundDownHours)
static long	roundDownTimeStampMinutes(long timestamp, int roundDownMins)
static long	roundDownTimeStampSeconds(long timestamp, int roundDownSec)

Methods inherited from class java.lang.Object

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

Constructor Detail

TimestampRoundDownUtil

public TimestampRoundDownUtil()

Method Detail

roundDownTimeStampSeconds

public static long roundDownTimeStampSeconds(long timestamp,
                                             int roundDownSec)
                                      throws IllegalStateException

Parameters:

timestamp - - The time stamp to be rounded down.

roundDownSec - - The timestamp is rounded down to the largest multiple of roundDownSec seconds less than or equal to timestamp. Should be between 0 and 60.

Returns:

- Rounded down timestamp

Throws:

IllegalStateException

roundDownTimeStampMinutes

public static long roundDownTimeStampMinutes(long timestamp,
                                             int roundDownMins)
                                      throws IllegalStateException

Parameters:

timestamp - - The time stamp to be rounded down.

roundDownMins - - The timestamp is rounded down to the largest multiple of roundDownMins minutes less than or equal to timestamp. Should be between 0 and 60.

Returns:

- Rounded down timestamp

Throws:

IllegalStateException

roundDownTimeStampHours

public static long roundDownTimeStampHours(long timestamp,
                                           int roundDownHours)
                                    throws IllegalStateException

Parameters:

timestamp - - The time stamp to be rounded down.

roundDownHours - - The timestamp is rounded down to the largest multiple of roundDownHours hours less than or equal to timestamp. Should be between 0 and 24.

Returns:

- Rounded down timestamp

Throws:

IllegalStateException