org.jfree.data.time
public class Hour extends RegularTimePeriod implements Serializable
Field Summary | |
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static int | FIRST_HOUR_IN_DAY Useful constant for the first hour in the day. |
static int | LAST_HOUR_IN_DAY Useful constant for the last hour in the day. |
Constructor Summary | |
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Hour()
Constructs a new Hour, based on the system date/time. | |
Hour(int hour, Day day)
Constructs a new Hour.
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Hour(int hour, int day, int month, int year)
Creates a new hour.
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Hour(Date time)
Constructs a new instance, based on the supplied date/time and
the default time zone.
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Hour(Date time, TimeZone zone)
Constructs a new instance, based on the supplied date/time evaluated
in the specified time zone.
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Hour(Date time, TimeZone zone, Locale locale)
Constructs a new instance, based on the supplied date/time evaluated
in the specified time zone.
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Method Summary | |
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int | compareTo(Object o1)
Returns an integer indicating the order of this Hour 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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Day | getDay()
Returns the day in which this hour falls.
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int | getDayOfMonth()
Returns the day-of-the-month in which this hour falls.
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long | getFirstMillisecond()
Returns the first millisecond of the hour. |
long | getFirstMillisecond(Calendar calendar)
Returns the first millisecond of the hour.
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int | getHour()
Returns the hour.
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long | getLastMillisecond()
Returns the last millisecond of the hour. |
long | getLastMillisecond(Calendar calendar)
Returns the last millisecond of the hour.
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int | getMonth()
Returns the month in which this hour falls.
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long | getSerialIndex()
Returns a serial index number for the hour.
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int | getYear()
Returns the year in which this hour falls.
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int | hashCode()
Returns a hash code for this object instance. |
RegularTimePeriod | next()
Returns the hour following this one.
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static Hour | parseHour(String s)
Creates an Hour instance by parsing a string. |
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 hour preceding this one.
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String | toString()
Returns a string representation of this instance, for debugging
purposes.
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Parameters: hour the hour (in the range 0 to 23). day the day (null
not permitted).
Parameters: hour the hour (0-23). day the day (1-31). month the month (1-12). year the year (1900-9999).
Parameters: time the date-time (null
not permitted).
See Also: Hour
Deprecated: As of 1.0.13, use the constructor that specifies the locale also.
Constructs a new instance, based on the supplied date/time evaluated in the specified time zone.Parameters: time the date-time (null
not permitted). zone the time zone (null
not permitted).
Parameters: time the date-time (null
not permitted). zone the time zone (null
not permitted). locale the locale (null
not permitted).
Since: 1.0.13
Parameters: o1 the object to compare.
Returns: negative == before, zero == same, positive == after.
This method will return true ONLY if the object is an Hour object representing the same hour as this instance.
Parameters: obj the object to compare (null
permitted).
Returns: true
if the hour and day value of the object
is the same as this.
Returns: The day.
Returns: The day-of-the-month.
Returns: The first millisecond of the hour.
See Also: getLastMillisecond
Parameters: calendar the calendar/timezone (null
not permitted).
Returns: The first millisecond.
Throws: NullPointerException if calendar
is
null
.
Returns: The hour (0 <= hour <= 23).
Returns: The last millisecond of the hour.
See Also: getFirstMillisecond
Parameters: calendar the calendar/timezone (null
not permitted).
Returns: The last millisecond.
Throws: NullPointerException if calendar
is
null
.
Returns: The month.
Returns: The serial index number.
Returns: The year.
http://developer.java.sun.com/developer/Books/effectivejava
/Chapter3.pdf
Returns: A hash code.
Returns: The hour following this one.
Parameters: s the hour string to parse.
Returns: null
if the string is not parseable, the hour
otherwise.
Parameters: calendar the calendar (null
not permitted).
Since: 1.0.3
Returns: The hour preceding this one.
Returns: A string.