org.apache.flume.tools

Class TimestampRoundDownUtil

java.lang.Object

org.apache.flume.tools.TimestampRoundDownUtil

@InterfaceAudience.Private
 @InterfaceStability.Evolving
public class TimestampRoundDownUtil
extends Object

Constructor Summary

Constructors

Constructor and Description
TimestampRoundDownUtil()

Method Summary

Modifier and Type	Method and Description
static long	roundDownTimeStampHours(long timestamp, int roundDownHours)
static long	roundDownTimeStampHours(long timestamp, int roundDownHours, TimeZone timeZone)
static long	roundDownTimeStampMinutes(long timestamp, int roundDownMins)
static long	roundDownTimeStampMinutes(long timestamp, int roundDownMins, TimeZone timeZone)
static long	roundDownTimeStampSeconds(long timestamp, int roundDownSec)
static long	roundDownTimeStampSeconds(long timestamp, int roundDownSec, TimeZone timeZone)

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. For parsing the timestamp the system default timezone will be used.

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

See Also:

roundDownTimeStampSeconds(long, int, TimeZone)

roundDownTimeStampSeconds

public static long roundDownTimeStampSeconds(long timestamp,
                                             int roundDownSec,
                                             TimeZone timeZone)
                                      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.

timeZone - - The timezone to use for parsing the timestamp.

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. For parsing the timestamp the system default timezone will be used.

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

See Also:

roundDownTimeStampMinutes(long, int, TimeZone)

roundDownTimeStampMinutes

public static long roundDownTimeStampMinutes(long timestamp,
                                             int roundDownMins,
                                             TimeZone timeZone)
                                      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.

timeZone - - The timezone to use for parsing the timestamp. If null the system default will be used.

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. For parsing the timestamp the system default timezone will be used.

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

See Also:

roundDownTimeStampHours(long, int, TimeZone)

roundDownTimeStampHours

public static long roundDownTimeStampHours(long timestamp,
                                           int roundDownHours,
                                           TimeZone timeZone)
                                    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.

timeZone - - The timezone to use for parsing the timestamp. If null the system default will be used.

Returns:

- Rounded down timestamp

Throws:

IllegalStateException