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Java Source Code / Java Documentation » Chart » jfreechart » org.jfree.data.time 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


java.lang.Object
   org.jfree.data.time.RegularTimePeriod
      org.jfree.data.time.Quarter

Quarter
public class Quarter extends RegularTimePeriod implements Serializable(Code)
Defines a quarter (in a given year). The range supported is Q1 1900 to Q4 9999. This class is immutable, which is a requirement for all RegularTimePeriod subclasses.


Field Summary
final public static  int[]FIRST_MONTH_IN_QUARTER
     The first month in each quarter.
final public static  intFIRST_QUARTER
     Constant for quarter 1.
final public static  int[]LAST_MONTH_IN_QUARTER
     The last month in each quarter.
final public static  intLAST_QUARTER
     Constant for quarter 4.

Constructor Summary
public  Quarter()
     Constructs a new Quarter, based on the current system date/time.
public  Quarter(int quarter, int year)
     Constructs a new quarter.
public  Quarter(int quarter, Year year)
     Constructs a new quarter.
public  Quarter(Date time)
     Constructs a new Quarter, based on a date/time and the default time zone.
public  Quarter(Date time, TimeZone zone)
     Constructs a Quarter, based on a date/time and time zone.

Method Summary
public  intcompareTo(Object o1)
     Returns an integer indicating the order of this Quarter object relative to the specified object: negative == before, zero == same, positive == after.
public  booleanequals(Object obj)
     Tests the equality of this Quarter object to an arbitrary object. Returns true if the target is a Quarter instance representing the same quarter as this object.
public  longgetFirstMillisecond()
     Returns the first millisecond of the quarter.
public  longgetFirstMillisecond(Calendar calendar)
     Returns the first millisecond in the Quarter, evaluated using the supplied calendar (which determines the time zone).
Parameters:
  calendar - the calendar (null not permitted).
public  longgetLastMillisecond()
     Returns the last millisecond of the quarter.
public  longgetLastMillisecond(Calendar calendar)
     Returns the last millisecond of the Quarter, evaluated using the supplied calendar (which determines the time zone).
Parameters:
  calendar - the calendar (null not permitted).
public  intgetQuarter()
     Returns the quarter.
public  longgetSerialIndex()
     Returns a serial index number for the quarter.
public  YeargetYear()
     Returns the year.
public  intgetYearValue()
     Returns the year.
public  inthashCode()
     Returns a hash code for this object instance.
public  RegularTimePeriodnext()
     Returns the quarter following this one.
public static  QuarterparseQuarter(String s)
     Parses the string argument as a quarter.

This method should accept the following formats: "YYYY-QN" and "QN-YYYY", where the "-" can be a space, a forward-slash (/), comma or a dash (-).
Parameters:
  s - A string representing the quarter.

public  voidpeg(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).
public  RegularTimePeriodprevious()
     Returns the quarter preceding this one.
public  StringtoString()
     Returns a string representing the quarter (e.g.

Field Detail
FIRST_MONTH_IN_QUARTER
final public static int[] FIRST_MONTH_IN_QUARTER(Code)
The first month in each quarter.



FIRST_QUARTER
final public static int FIRST_QUARTER(Code)
Constant for quarter 1.



LAST_MONTH_IN_QUARTER
final public static int[] LAST_MONTH_IN_QUARTER(Code)
The last month in each quarter.



LAST_QUARTER
final public static int LAST_QUARTER(Code)
Constant for quarter 4.




Constructor Detail
Quarter
public Quarter()(Code)
Constructs a new Quarter, based on the current system date/time.



Quarter
public Quarter(int quarter, int year)(Code)
Constructs a new quarter.
Parameters:
  year - the year (1900 to 9999).
Parameters:
  quarter - the quarter (1 to 4).



Quarter
public Quarter(int quarter, Year year)(Code)
Constructs a new quarter.
Parameters:
  quarter - the quarter (1 to 4).
Parameters:
  year - the year (1900 to 9999).



Quarter
public Quarter(Date time)(Code)
Constructs a new Quarter, based on a date/time and the default time zone.
Parameters:
  time - the date/time.



Quarter
public Quarter(Date time, TimeZone zone)(Code)
Constructs a Quarter, based on a date/time and time zone.
Parameters:
  time - the date/time.
Parameters:
  zone - the zone (null not permitted).




Method Detail
compareTo
public int compareTo(Object o1)(Code)
Returns an integer indicating the order of this Quarter object relative to the specified object: negative == before, zero == same, positive == after.
Parameters:
  o1 - the object to compare negative == before, zero == same, positive == after.



equals
public boolean equals(Object obj)(Code)
Tests the equality of this Quarter object to an arbitrary object. Returns true if the target is a Quarter instance representing the same quarter as this object. In all other cases, returns false.
Parameters:
  obj - the object (null permitted). true if quarter and year of this and the object arethe same.



getFirstMillisecond
public long getFirstMillisecond()(Code)
Returns the first millisecond of the quarter. 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 Quarter.peg(Calendar) method. The first millisecond of the quarter.
See Also:   Quarter.getLastMillisecond()



getFirstMillisecond
public long getFirstMillisecond(Calendar calendar)(Code)
Returns the first millisecond in the Quarter, evaluated using the supplied calendar (which determines the time zone).
Parameters:
  calendar - the calendar (null not permitted). The first millisecond in the Quarter.
throws:
  NullPointerException - if calendar is null.



getLastMillisecond
public long getLastMillisecond()(Code)
Returns the last millisecond of the quarter. 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 Quarter.peg(Calendar) method. The last millisecond of the quarter.
See Also:   Quarter.getFirstMillisecond()



getLastMillisecond
public long getLastMillisecond(Calendar calendar)(Code)
Returns the last millisecond of the Quarter, evaluated using the supplied calendar (which determines the time zone).
Parameters:
  calendar - the calendar (null not permitted). The last millisecond of the Quarter.
throws:
  NullPointerException - if calendar is null.



getQuarter
public int getQuarter()(Code)
Returns the quarter. The quarter.



getSerialIndex
public long getSerialIndex()(Code)
Returns a serial index number for the quarter. The serial index number.



getYear
public Year getYear()(Code)
Returns the year. The year.



getYearValue
public int getYearValue()(Code)
Returns the year. The year.
since:
   1.0.3



hashCode
public int hashCode()(Code)
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 A hash code.




next
public RegularTimePeriod next()(Code)
Returns the quarter following this one. The quarter following this one (or null if this is Q4 9999).



parseQuarter
public static Quarter parseQuarter(String s)(Code)
Parses the string argument as a quarter.

This method should accept the following formats: "YYYY-QN" and "QN-YYYY", where the "-" can be a space, a forward-slash (/), comma or a dash (-).
Parameters:
  s - A string representing the quarter. The quarter.




peg
public void peg(Calendar calendar)(Code)
Recalculates the start date/time and end date/time for this time period relative to the supplied calendar (which incorporates a time zone).
Parameters:
  calendar - the calendar (null not permitted).
since:
   1.0.3



previous
public RegularTimePeriod previous()(Code)
Returns the quarter preceding this one. The quarter preceding this one (or null if this is Q1 1900).



toString
public String toString()(Code)
Returns a string representing the quarter (e.g. "Q1/2002"). A string representing the quarter.



Fields inherited from org.jfree.data.time.RegularTimePeriod
final public static TimeZone DEFAULT_TIME_ZONE(Code)(Java Doc)
final public static Calendar WORKING_CALENDAR(Code)(Java Doc)

Methods inherited from org.jfree.data.time.RegularTimePeriod
public static RegularTimePeriod createInstance(Class c, Date millisecond, TimeZone zone)(Code)(Java Doc)
public static Class downsize(Class c)(Code)(Java Doc)
public Date getEnd()(Code)(Java Doc)
abstract public long getFirstMillisecond()(Code)(Java Doc)
public long getFirstMillisecond(TimeZone zone)(Code)(Java Doc)
abstract public long getFirstMillisecond(Calendar calendar)(Code)(Java Doc)
abstract public long getLastMillisecond()(Code)(Java Doc)
public long getLastMillisecond(TimeZone zone)(Code)(Java Doc)
abstract public long getLastMillisecond(Calendar calendar)(Code)(Java Doc)
public long getMiddleMillisecond()(Code)(Java Doc)
public long getMiddleMillisecond(TimeZone zone)(Code)(Java Doc)
public long getMiddleMillisecond(Calendar calendar)(Code)(Java Doc)
abstract public long getSerialIndex()(Code)(Java Doc)
public Date getStart()(Code)(Java Doc)
abstract public RegularTimePeriod next()(Code)(Java Doc)
abstract public void peg(Calendar calendar)(Code)(Java Doc)
abstract public RegularTimePeriod previous()(Code)(Java Doc)
public String toString()(Code)(Java Doc)

Methods inherited from java.lang.Object
native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public boolean equals(Object obj)(Code)(Java Doc)
protected void finalize() throws Throwable(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
native public int hashCode()(Code)(Java Doc)
final native public void notify()(Code)(Java Doc)
final native public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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