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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.TimeSeriesDataItem

TimeSeriesDataItem
public class TimeSeriesDataItem implements Cloneable,Comparable,Serializable(Code)
Represents one data item in a time series.

The time period can be any of the following:

The time period is an immutable property of the data item. Data items will often be sorted within a list, and allowing the time period to be changed could destroy the sort order.

Implements the Comparable interface so that standard Java sorting can be used to keep the data items in order.




Constructor Summary
public  TimeSeriesDataItem(RegularTimePeriod period, Number value)
     Constructs a new data item that associates a value with a time period.
public  TimeSeriesDataItem(RegularTimePeriod period, double value)
     Constructs a new data item that associates a value with a time period.

Method Summary
public  Objectclone()
     Clones the data item.
public  intcompareTo(Object o1)
     Returns an integer indicating the order of this data pair object relative to another object.

For the order we consider only the timing: negative == before, zero == same, positive == after.
Parameters:
  o1 - The object being compared to.

public  booleanequals(Object o)
     Tests this object for equality with an arbitrary object.
Parameters:
  o - the other object.
public  RegularTimePeriodgetPeriod()
     Returns the time period.
public  NumbergetValue()
     Returns the value.
public  inthashCode()
     Returns a hash code.
public  voidsetValue(Number value)
     Sets the value for this data item.


Constructor Detail
TimeSeriesDataItem
public TimeSeriesDataItem(RegularTimePeriod period, Number value)(Code)
Constructs a new data item that associates a value with a time period.
Parameters:
  period - the time period (null not permitted).
Parameters:
  value - the value (null permitted).



TimeSeriesDataItem
public TimeSeriesDataItem(RegularTimePeriod period, double value)(Code)
Constructs a new data item that associates a value with a time period.
Parameters:
  period - the time period (null not permitted).
Parameters:
  value - the value associated with the time period.




Method Detail
clone
public Object clone()(Code)
Clones the data item. Note: there is no need to clone the period or value since they are immutable classes. A clone of the data item.



compareTo
public int compareTo(Object o1)(Code)
Returns an integer indicating the order of this data pair object relative to another object.

For the order we consider only the timing: negative == before, zero == same, positive == after.
Parameters:
  o1 - The object being compared to. An integer indicating the order of the data item object relative to another object.




equals
public boolean equals(Object o)(Code)
Tests this object for equality with an arbitrary object.
Parameters:
  o - the other object. A boolean.



getPeriod
public RegularTimePeriod getPeriod()(Code)
Returns the time period. The time period (never null).



getValue
public Number getValue()(Code)
Returns the value. The value (null possible).



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



setValue
public void setValue(Number value)(Code)
Sets the value for this data item.
Parameters:
  value - the value (null permitted).



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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