Package org.apache.iotdb.tsfile.utils

Class TimeDuration

java.lang.Object

org.apache.iotdb.tsfile.utils.TimeDuration

All Implemented Interfaces:

Serializable

public class TimeDuration
extends Object
implements Serializable

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
int	monthDuration
long	nonMonthDuration

Constructor Summary

Constructors

Constructor	Description
TimeDuration(int monthDuration, long nonMonthDuration)

Method Summary

Modifier and Type	Method	Description
static long	calcNegativeIntervalByMonth(long startTime, TimeDuration duration, TimeZone timeZone, TimeUnit currPrecision)	subtract time duration contains natural months based on the startTime
static long	calcPositiveIntervalByMonth(long startTime, TimeDuration duration, long times, TimeZone timeZone, TimeUnit currPrecision)	Add several time durations contains natural months based on the startTime and avoid edge cases, ie 2/28
boolean	containsMonth()
static TimeDuration	deserialize(ByteBuffer buffer)
boolean	equals(Object o)
static long[]	getConsecutiveTimesIntervalByMonth(long startTime, TimeDuration duration, int length, TimeZone timeZone, TimeUnit currPrecision)	Get a series of time which duration contains month.
long	getMaxTotalDuration(TimeUnit currPrecision)	Think month as 31 days.
long	getMinTotalDuration(TimeUnit currPrecision)	Think month as 28 days.
long	getTotalDuration(TimeUnit currPrecision)	Convert monthDuration to current precision duration, then add currPrecisionDuration field.
int	hashCode()
void	serialize(DataOutputStream stream)
void	serialize(ByteBuffer buffer)

Methods inherited from class java.lang.Object

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

Field Detail

monthDuration

public final int monthDuration

nonMonthDuration

public final long nonMonthDuration

Constructor Detail

TimeDuration

public TimeDuration(int monthDuration,
                    long nonMonthDuration)

Method Detail

containsMonth

public boolean containsMonth()

getTotalDuration

public long getTotalDuration(TimeUnit currPrecision)

Convert monthDuration to current precision duration, then add currPrecisionDuration field. Think month as 30 days.

Returns:

the total duration of this timeDuration in current precision

getMaxTotalDuration

public long getMaxTotalDuration(TimeUnit currPrecision)

Think month as 31 days.

getMinTotalDuration

public long getMinTotalDuration(TimeUnit currPrecision)

Think month as 28 days.

serialize

public void serialize(ByteBuffer buffer)

serialize

public void serialize(DataOutputStream stream)
               throws IOException

Throws:

IOException

deserialize

public static TimeDuration deserialize(ByteBuffer buffer)

getConsecutiveTimesIntervalByMonth

public static long[] getConsecutiveTimesIntervalByMonth(long startTime,
                                                        TimeDuration duration,
                                                        int length,
                                                        TimeZone timeZone,
                                                        TimeUnit currPrecision)

Get a series of time which duration contains month.

calcPositiveIntervalByMonth

public static long calcPositiveIntervalByMonth(long startTime,
                                               TimeDuration duration,
                                               long times,
                                               TimeZone timeZone,
                                               TimeUnit currPrecision)

Add several time durations contains natural months based on the startTime and avoid edge cases, ie 2/28

Parameters:

startTime - start time

duration - one duration

times - num of duration elapsed

Returns:

the time after durations elapsed

calcNegativeIntervalByMonth

public static long calcNegativeIntervalByMonth(long startTime,
                                               TimeDuration duration,
                                               TimeZone timeZone,
                                               TimeUnit currPrecision)

subtract time duration contains natural months based on the startTime

Parameters:

startTime - start time

duration - the duration

Returns:

the time before duration

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object