org.jfree.data.time
Class FixedMillisecond

java.lang.Object
  |
  +--org.jfree.data.time.RegularTimePeriod
        |
        +--org.jfree.data.time.FixedMillisecond
All Implemented Interfaces:
java.lang.Comparable, org.jfree.date.MonthConstants, java.io.Serializable, TimePeriod

public class FixedMillisecond
extends RegularTimePeriod
implements java.io.Serializable

Wrapper for a java.util.Date object that allows it to be used as a RegularTimePeriod.

This class is immutable, which is a requirement for all RegularTimePeriod subclasses.

Author:
David Gilbert
See Also:
Serialized Form

Field Summary
 
Fields inherited from class org.jfree.data.time.RegularTimePeriod
DEFAULT_TIME_ZONE, WORKING_CALENDAR
 
Fields inherited from interface org.jfree.date.MonthConstants
APRIL, AUGUST, DECEMBER, FEBRUARY, JANUARY, JULY, JUNE, MARCH, MAY, NOVEMBER, OCTOBER, SEPTEMBER
 
Constructor Summary
FixedMillisecond()
          Constructs a millisecond based on the current system time.
FixedMillisecond(java.util.Date time)
          Constructs a millisecond.
FixedMillisecond(long millisecond)
          Constructs a millisecond.
 
Method Summary
 int compareTo(java.lang.Object o1)
          Returns an integer indicating the order of this Millisecond object relative to the specified object: negative == before, zero == same, positive == after.
 boolean equals(java.lang.Object object)
          Tests the equality of this object against an arbitrary Object.
 long getFirstMillisecond()
          Returns the first millisecond of the time period.
 long getFirstMillisecond(java.util.Calendar calendar)
          Returns the first millisecond of the time period.
 long getLastMillisecond()
          Returns the last millisecond of the time period.
 long getLastMillisecond(java.util.Calendar calendar)
          Returns the last millisecond of the time period.
 long getMiddleMillisecond()
          Returns the millisecond closest to the middle of the time period.
 long getMiddleMillisecond(java.util.Calendar calendar)
          Returns the millisecond closest to the middle of the time period.
 long getSerialIndex()
          Returns a serial index number for the millisecond.
 java.util.Date getTime()
          Returns the date/time.
 RegularTimePeriod next()
          Returns the millisecond following this one.
 RegularTimePeriod previous()
          Returns the millisecond preceding this one.
 
Methods inherited from class org.jfree.data.time.RegularTimePeriod
getEnd, getFirstMillisecond, getLastMillisecond, getMiddleMillisecond, getStart
 
Methods inherited from class java.lang.Object
clone, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

FixedMillisecond

public FixedMillisecond()
Constructs a millisecond based on the current system time.


FixedMillisecond

public FixedMillisecond(long millisecond)
Constructs a millisecond.

Parameters:
millisecond - the millisecond (same encoding as java.util.Date).

FixedMillisecond

public FixedMillisecond(java.util.Date time)
Constructs a millisecond.

Parameters:
time - the time.
Method Detail

getTime

public java.util.Date getTime()
Returns the date/time.

Returns:
the date/time.

previous

public RegularTimePeriod previous()
Returns the millisecond preceding this one.

Specified by:
previous in class RegularTimePeriod
Returns:
the millisecond preceding this one.

next

public RegularTimePeriod next()
Returns the millisecond following this one.

Specified by:
next in class RegularTimePeriod
Returns:
the millisecond following this one.

equals

public boolean equals(java.lang.Object object)
Tests the equality of this object against an arbitrary Object.

Overrides:
equals in class java.lang.Object
Parameters:
object - the object to compare
Returns:
A boolean.

compareTo

public int compareTo(java.lang.Object o1)
Returns an integer indicating the order of this Millisecond object relative to the specified object: negative == before, zero == same, positive == after.

Specified by:
compareTo in interface java.lang.Comparable
Parameters:
o1 - the object to compare.
Returns:
negative == before, zero == same, positive == after.

getFirstMillisecond

public long getFirstMillisecond()
Returns the first millisecond of the time period.

Overrides:
getFirstMillisecond in class RegularTimePeriod
Returns:
the first millisecond of the time period.

getFirstMillisecond

public long getFirstMillisecond(java.util.Calendar calendar)
Returns the first millisecond of the time period.

Specified by:
getFirstMillisecond in class RegularTimePeriod
Parameters:
calendar - the calendar.
Returns:
the first millisecond of the time period.

getLastMillisecond

public long getLastMillisecond()
Returns the last millisecond of the time period.

Overrides:
getLastMillisecond in class RegularTimePeriod
Returns:
the last millisecond of the time period.

getLastMillisecond

public long getLastMillisecond(java.util.Calendar calendar)
Returns the last millisecond of the time period.

Specified by:
getLastMillisecond in class RegularTimePeriod
Parameters:
calendar - the calendar.
Returns:
the last millisecond of the time period.

getMiddleMillisecond

public long getMiddleMillisecond()
Returns the millisecond closest to the middle of the time period.

Overrides:
getMiddleMillisecond in class RegularTimePeriod
Returns:
the millisecond closest to the middle of the time period.

getMiddleMillisecond

public long getMiddleMillisecond(java.util.Calendar calendar)
Returns the millisecond closest to the middle of the time period.

Overrides:
getMiddleMillisecond in class RegularTimePeriod
Parameters:
calendar - the calendar.
Returns:
the millisecond closest to the middle of the time period.

getSerialIndex

public long getSerialIndex()
Returns a serial index number for the millisecond.

Specified by:
getSerialIndex in class RegularTimePeriod
Returns:
The serial index number.