Package org.jfree.data.time
Class FixedMillisecond
- java.lang.Object
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- org.jfree.data.time.RegularTimePeriod
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- org.jfree.data.time.FixedMillisecond
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- All Implemented Interfaces:
java.io.Serializable
,java.lang.Comparable
,MonthConstants
,TimePeriod
public class FixedMillisecond extends RegularTimePeriod implements java.io.Serializable
Wrapper for ajava.util.Date
object that allows it to be used as aRegularTimePeriod
. This class is immutable, which is a requirement for allRegularTimePeriod
subclasses.- See Also:
- Serialized Form
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Field Summary
Fields Modifier and Type Field Description private static long
serialVersionUID
For serialization.private long
time
The millisecond.
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Constructor Summary
Constructors Constructor Description FixedMillisecond()
Constructs a millisecond based on the current system time.FixedMillisecond(long millisecond)
Constructs a millisecond.FixedMillisecond(java.util.Date time)
Constructs a millisecond.
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description 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 (creates a newDate
instance each time this method is called).int
hashCode()
Returns a hash code for this object instance.RegularTimePeriod
next()
Returns the millisecond following this one.void
peg(java.util.Calendar calendar)
This method is overridden to do nothing.RegularTimePeriod
previous()
Returns the millisecond preceding this one.-
Methods inherited from class org.jfree.data.time.RegularTimePeriod
createInstance, downsize, getCalendarInstance, getEnd, getMillisecond, getStart, setCalendarInstancePrototype, setThreadLocalCalendarInstance, toString
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Field Detail
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serialVersionUID
private static final long serialVersionUID
For serialization.- See Also:
- Constant Field Values
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time
private final long time
The millisecond.
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Constructor Detail
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FixedMillisecond
public FixedMillisecond()
Constructs a millisecond based on the current system time.
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FixedMillisecond
public FixedMillisecond(long millisecond)
Constructs a millisecond.- Parameters:
millisecond
- the millisecond (same encoding as java.util.Date).
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FixedMillisecond
public FixedMillisecond(java.util.Date time)
Constructs a millisecond.- Parameters:
time
- the time (null
not permitted).
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Method Detail
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getTime
public java.util.Date getTime()
Returns the date/time (creates a newDate
instance each time this method is called).- Returns:
- The date/time.
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peg
public void peg(java.util.Calendar calendar)
This method is overridden to do nothing.- Specified by:
peg
in classRegularTimePeriod
- Parameters:
calendar
- ignored
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previous
public RegularTimePeriod previous()
Returns the millisecond preceding this one.- Specified by:
previous
in classRegularTimePeriod
- Returns:
- The millisecond preceding this one.
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next
public RegularTimePeriod next()
Returns the millisecond following this one.- Specified by:
next
in classRegularTimePeriod
- Returns:
- The millisecond following this one.
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equals
public boolean equals(java.lang.Object object)
Tests the equality of this object against an arbitrary Object.- Overrides:
equals
in classjava.lang.Object
- Parameters:
object
- the object to compare- Returns:
- A boolean.
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hashCode
public int hashCode()
Returns a hash code for this object instance.- Overrides:
hashCode
in classjava.lang.Object
- Returns:
- A hash code.
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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 interfacejava.lang.Comparable
- Parameters:
o1
- the object to compare.- Returns:
- negative == before, zero == same, positive == after.
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getFirstMillisecond
public long getFirstMillisecond()
Returns the first millisecond of the time period.- Specified by:
getFirstMillisecond
in classRegularTimePeriod
- Returns:
- The first millisecond of the time period.
- See Also:
RegularTimePeriod.getLastMillisecond()
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getFirstMillisecond
public long getFirstMillisecond(java.util.Calendar calendar)
Returns the first millisecond of the time period.- Specified by:
getFirstMillisecond
in classRegularTimePeriod
- Parameters:
calendar
- the calendar.- Returns:
- The first millisecond of the time period.
- See Also:
RegularTimePeriod.getLastMillisecond(Calendar)
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getLastMillisecond
public long getLastMillisecond()
Returns the last millisecond of the time period.- Specified by:
getLastMillisecond
in classRegularTimePeriod
- Returns:
- The last millisecond of the time period.
- See Also:
RegularTimePeriod.getFirstMillisecond()
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getLastMillisecond
public long getLastMillisecond(java.util.Calendar calendar)
Returns the last millisecond of the time period.- Specified by:
getLastMillisecond
in classRegularTimePeriod
- Parameters:
calendar
- the calendar.- Returns:
- The last millisecond of the time period.
- See Also:
RegularTimePeriod.getFirstMillisecond(Calendar)
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getMiddleMillisecond
public long getMiddleMillisecond()
Returns the millisecond closest to the middle of the time period.- Overrides:
getMiddleMillisecond
in classRegularTimePeriod
- Returns:
- The millisecond closest to the middle of the time period.
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getMiddleMillisecond
public long getMiddleMillisecond(java.util.Calendar calendar)
Returns the millisecond closest to the middle of the time period.- Overrides:
getMiddleMillisecond
in classRegularTimePeriod
- Parameters:
calendar
- the calendar.- Returns:
- The millisecond closest to the middle of the time period.
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getSerialIndex
public long getSerialIndex()
Returns a serial index number for the millisecond.- Specified by:
getSerialIndex
in classRegularTimePeriod
- Returns:
- The serial index number.
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