ch.qos.logback.core.rolling.helper

Class RollingCalendar

java.lang.Object

java.util.Calendar

java.util.GregorianCalendar

ch.qos.logback.core.rolling.helper.RollingCalendar

All Implemented Interfaces:

java.io.Serializable, java.lang.Cloneable, java.lang.Comparable<java.util.Calendar>

public class RollingCalendar
extends java.util.GregorianCalendar

RollingCalendar is a helper class to TimeBasedRollingPolicy or similar timed-based rolling policies. Given a periodicity type and the current time, it computes the start of the next interval (i.e. the triggering date).

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class java.util.Calendar

java.util.Calendar.Builder

Field Summary

Fields

Modifier and Type	Field and Description
(package private) java.lang.String	datePattern
(package private) static java.util.TimeZone	GMT_TIMEZONE
(package private) PeriodicityType	periodicityType
private static long	serialVersionUID

Fields inherited from class java.util.GregorianCalendar

AD, BC

Fields inherited from class java.util.Calendar

ALL_STYLES, AM, AM_PM, APRIL, areFieldsSet, AUGUST, DATE, DAY_OF_MONTH, DAY_OF_WEEK, DAY_OF_WEEK_IN_MONTH, DAY_OF_YEAR, DECEMBER, DST_OFFSET, ERA, FEBRUARY, FIELD_COUNT, fields, FRIDAY, HOUR, HOUR_OF_DAY, isSet, isTimeSet, JANUARY, JULY, JUNE, LONG, LONG_FORMAT, LONG_STANDALONE, MARCH, MAY, MILLISECOND, MINUTE, MONDAY, MONTH, NARROW_FORMAT, NARROW_STANDALONE, NOVEMBER, OCTOBER, PM, SATURDAY, SECOND, SEPTEMBER, SHORT, SHORT_FORMAT, SHORT_STANDALONE, SUNDAY, THURSDAY, time, TUESDAY, UNDECIMBER, WEDNESDAY, WEEK_OF_MONTH, WEEK_OF_YEAR, YEAR, ZONE_OFFSET

Constructor Summary

Constructors

Constructor and Description
RollingCalendar(java.lang.String datePattern)
RollingCalendar(java.lang.String datePattern, java.util.TimeZone tz, java.util.Locale locale)

Method Summary

Modifier and Type	Method and Description
private boolean	collision(long delta)
PeriodicityType	computePeriodicityType()
static int	diffInMonths(long startTime, long endTime)
java.util.Date	getEndOfNextNthPeriod(java.util.Date now, int periods)
java.util.Date	getNextTriggeringDate(java.util.Date now)
PeriodicityType	getPeriodicityType()
java.util.Date	getsStartOfCurrentPeriod(long now)
private static java.util.Date	innerGetEndOfNextNthPeriod(java.util.Calendar cal, PeriodicityType periodicityType, java.util.Date now, int numPeriods)
private static java.util.Date	innerGetEndOfThisPeriod(java.util.Calendar cal, PeriodicityType periodicityType, java.util.Date now)
boolean	isCollisionFree()
long	periodBarriersCrossed(long start, long end)
void	printPeriodicity(ContextAwareBase cab)

Methods inherited from class java.util.GregorianCalendar

add, clone, computeFields, computeTime, equals, from, getActualMaximum, getActualMinimum, getCalendarType, getGreatestMinimum, getGregorianChange, getLeastMaximum, getMaximum, getMinimum, getTimeZone, getWeeksInWeekYear, getWeekYear, hashCode, isLeapYear, isWeekDateSupported, roll, roll, setGregorianChange, setTimeZone, setWeekDate, toZonedDateTime

Methods inherited from class java.util.Calendar

after, before, clear, clear, compareTo, complete, get, getAvailableCalendarTypes, getAvailableLocales, getDisplayName, getDisplayNames, getFirstDayOfWeek, getInstance, getInstance, getInstance, getInstance, getMinimalDaysInFirstWeek, getTime, getTimeInMillis, internalGet, isLenient, isSet, set, set, set, set, setFirstDayOfWeek, setLenient, setMinimalDaysInFirstWeek, setTime, setTimeInMillis, toInstant, toString

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

serialVersionUID

private static final long serialVersionUID

See Also:

Constant Field Values

GMT_TIMEZONE

static final java.util.TimeZone GMT_TIMEZONE

periodicityType

PeriodicityType periodicityType

datePattern

java.lang.String datePattern

Constructor Detail

RollingCalendar

public RollingCalendar(java.lang.String datePattern)

RollingCalendar

public RollingCalendar(java.lang.String datePattern,
                       java.util.TimeZone tz,
                       java.util.Locale locale)

Method Detail

getPeriodicityType

public PeriodicityType getPeriodicityType()

computePeriodicityType

public PeriodicityType computePeriodicityType()

isCollisionFree

public boolean isCollisionFree()

collision

private boolean collision(long delta)

printPeriodicity

public void printPeriodicity(ContextAwareBase cab)

periodBarriersCrossed

public long periodBarriersCrossed(long start,
                                  long end)

diffInMonths

public static int diffInMonths(long startTime,
                               long endTime)

innerGetEndOfThisPeriod

private static java.util.Date innerGetEndOfThisPeriod(java.util.Calendar cal,
                                                      PeriodicityType periodicityType,
                                                      java.util.Date now)

innerGetEndOfNextNthPeriod

private static java.util.Date innerGetEndOfNextNthPeriod(java.util.Calendar cal,
                                                         PeriodicityType periodicityType,
                                                         java.util.Date now,
                                                         int numPeriods)

getEndOfNextNthPeriod

public java.util.Date getEndOfNextNthPeriod(java.util.Date now,
                                            int periods)

getNextTriggeringDate

public java.util.Date getNextTriggeringDate(java.util.Date now)

getsStartOfCurrentPeriod

public java.util.Date getsStartOfCurrentPeriod(long now)