org.jfree.data.time
Class Second
- Comparable, MonthConstants, Serializable, TimePeriod
Represents a second in a particular day. This class is immutable, which is
a requirement for all
RegularTimePeriod subclasses.
Second()- Constructs a new Second, based on the system date/time.
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Second(Date time)- Constructs a second.
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Second(Date time, TimeZone zone)- Creates a new second based on the supplied time and time zone.
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Second(int second, int minute, int hour, int day, int month, int year)- Creates a new second.
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Second(int second, Minute minute)- Constructs a new Second.
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int | compareTo(Object o1)- Returns an integer indicating the order of this Second object relative
to the specified
object: negative == before, zero == same, positive == after.
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boolean | equals(Object obj)- Tests the equality of this object against an arbitrary Object.
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long | getFirstMillisecond()- Returns the first millisecond of the second.
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long | getFirstMillisecond(Calendar calendar)- Returns the first millisecond of the minute.
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long | getLastMillisecond()- Returns the last millisecond of the second.
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long | getLastMillisecond(Calendar calendar)- Returns the last millisecond of the second.
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Minute | getMinute()- Returns the minute.
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int | getSecond()- Returns the second within the minute.
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long | getSerialIndex()- Returns a serial index number for the minute.
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int | hashCode()- Returns a hash code for this object instance.
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RegularTimePeriod | next()- Returns the second following this one.
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static Second | parseSecond(String s)- Creates a new instance by parsing a string.
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void | peg(Calendar calendar)- Recalculates the start date/time and end date/time for this time period
relative to the supplied calendar (which incorporates a time zone).
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RegularTimePeriod | previous()- Returns the second preceding this one.
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createInstance, downsize, getEnd, getFirstMillisecond, getFirstMillisecond, getFirstMillisecond, getLastMillisecond, getLastMillisecond, getLastMillisecond, getMiddleMillisecond, getMiddleMillisecond, getMiddleMillisecond, getSerialIndex, getStart, next, peg, previous, toString |
FIRST_SECOND_IN_MINUTE
public static final int FIRST_SECOND_IN_MINUTE
Useful constant for the first second in a minute.
LAST_SECOND_IN_MINUTE
public static final int LAST_SECOND_IN_MINUTE
Useful constant for the last second in a minute.
Second
public Second()
Constructs a new Second, based on the system date/time.
Second
public Second(Date time)
Constructs a second.
Second
public Second(Date time,
TimeZone zone) Creates a new second based on the supplied time and time zone.
time - the instant in time.zone - the time zone.
Second
public Second(int second,
int minute,
int hour,
int day,
int month,
int year) Creates a new second.
second - the second (0-59).minute - the minute (0-59).hour - the hour (0-23).day - the day (1-31).month - the month (1-12).year - the year (1900-9999).
Second
public Second(int second,
Minute minute) Constructs a new Second.
second - the second (0 to 24*60*60-1).minute - the minute (null not permitted).
compareTo
public int compareTo(Object o1)
Returns an integer indicating the order of this Second object relative
to the specified
object: negative == before, zero == same, positive == after.
o1 - the object to compare.
- negative == before, zero == same, positive == after.
equals
public boolean equals(Object obj)
Tests the equality of this object against an arbitrary Object.
This method will return true ONLY if the object is a Second object
representing the same second as this instance.
obj - the object to compare (null permitted).
true if second and minute of this and the object
are the same.
getFirstMillisecond
public long getFirstMillisecond()
Returns the first millisecond of the second. This will be determined
relative to the time zone specified in the constructor, or in the
calendar instance passed in the most recent call to the
peg(Calendar) method.
- getFirstMillisecond in interface RegularTimePeriod
- The first millisecond of the second.
getLastMillisecond
public long getLastMillisecond()
Returns the last millisecond of the second. This will be
determined relative to the time zone specified in the constructor, or
in the calendar instance passed in the most recent call to the
peg(Calendar) method.
- getLastMillisecond in interface RegularTimePeriod
- The last millisecond of the second.
getSecond
public int getSecond()
Returns the second within the minute.
hashCode
public int hashCode()
Returns a hash code for this object instance. The approach described by
Joshua Bloch in "Effective Java" has been used here:
http://developer.java.sun.com/developer/Books/effectivejava
/Chapter3.pdf
parseSecond
public static Second parseSecond(String s)
Creates a new instance by parsing a string. The string is assumed to
be in the format "YYYY-MM-DD HH:MM:SS", perhaps with leading or trailing
whitespace.
- The second, or
null if the string is not parseable.
peg
public void peg(Calendar calendar)
Recalculates the start date/time and end date/time for this time period
relative to the supplied calendar (which incorporates a time zone).
- peg in interface RegularTimePeriod
calendar - the calendar (null not permitted).