com.ijchart.xychart.data
Class StatisticalChartData

java.lang.Object
  extended by com.ijchart.xychart.data.AbstractChartData
      extended by com.ijchart.xychart.data.StatisticalChartData
All Implemented Interfaces:
IChartData, java.io.Serializable, java.lang.Cloneable, java.lang.Comparable

public class StatisticalChartData
extends AbstractChartData
implements java.lang.Cloneable, java.io.Serializable

Title: IJChart

Description: a chart library for the Java(tm) platform.

Statistical(分析)图表数据对象,每个对象由一个mean(平均数)和一个deviation(绝对偏差)组成, 本类在外部是不可修改的

Copyright: Copyright (c) 2013

Company:

Version:
1.0
Author:
zhang feng min,shanghai china. Contract me by email.
See Also:
Serialized Form

Field Summary
 
Fields inherited from class com.ijchart.xychart.data.AbstractChartData
DATE_MASK_LONG
 
Constructor Summary
StatisticalChartData(double mean, double standardDeviation)
          构造器.
StatisticalChartData(java.lang.Number mean, java.lang.Number standardDeviation)
          构造器.
 
Method Summary
 java.lang.Object clone()
          返回克隆的对象.
 int compareTo(java.lang.Object o)
          实现Comparable接口的compareTo()方法.
 boolean equals(java.lang.Object obj)
          测试两个对象是否相等.
 java.lang.String getAreaFunctionArguments()
          返回图形热点area的函数参数.
 java.lang.String getAreaURLFragment()
          返回图形热点area的url部分.
 java.lang.String getLabelText()
          返回标签字符串.
 java.lang.Number getMeanData()
          返回平均数对象(可能为null).
 double getMeanValue()
          得到double类型的平均数,如果值为null则返回Double.NaN.
 java.lang.Number getStandDeviationData()
          返回绝对偏差对象(可能为null).
 double getStandDeviationValue()
          得到double类型的绝对偏差,如果值为null则返回Double.NaN.
 int hashCode()
          计算对象的hashcode值.
 java.lang.String toString()
          覆盖toString方法.
 
Methods inherited from class com.ijchart.xychart.data.AbstractChartData
formatDate, formatDateForFunction, formatNumber, formatNumber, formatNumberForFunction, formatNumberForFunction, getDateFormat, getNumberFormat, setDateFormat, setNumberFormat
 
Methods inherited from class java.lang.Object
finalize, getClass, notify, notifyAll, wait, wait, wait
 

Constructor Detail

StatisticalChartData

public StatisticalChartData(double mean,
                            double standardDeviation)
构造器.

Parameters:
mean - double 平均数.
standardDeviation - double 绝对偏差.

StatisticalChartData

public StatisticalChartData(java.lang.Number mean,
                            java.lang.Number standardDeviation)
构造器.

Parameters:
mean - Number 平均数 (可为null).
standardDeviation - Number 绝对偏差 (不可为null).
Method Detail

getMeanData

public java.lang.Number getMeanData()
返回平均数对象(可能为null).

Returns:
Number 可能为null.

getMeanValue

public double getMeanValue()
得到double类型的平均数,如果值为null则返回Double.NaN.

Returns:
double double类型的平均数,如果值为null则返回Double.NaN.

getStandDeviationData

public java.lang.Number getStandDeviationData()
返回绝对偏差对象(可能为null).

Returns:
Number 可能为null.

getStandDeviationValue

public double getStandDeviationValue()
得到double类型的绝对偏差,如果值为null则返回Double.NaN.

Returns:
double double类型的绝对偏差,如果值为null则返回Double.NaN.

getLabelText

public java.lang.String getLabelText()
返回标签字符串.

Specified by:
getLabelText in interface IChartData
Overrides:
getLabelText in class AbstractChartData
Returns:
String 标签字符串 (可为null).

getAreaFunctionArguments

public java.lang.String getAreaFunctionArguments()
返回图形热点area的函数参数.

Specified by:
getAreaFunctionArguments in interface IChartData
Overrides:
getAreaFunctionArguments in class AbstractChartData
Returns:
String 函数参数 (可为null).

getAreaURLFragment

public java.lang.String getAreaURLFragment()
返回图形热点area的url部分.

Specified by:
getAreaURLFragment in interface IChartData
Overrides:
getAreaURLFragment in class AbstractChartData
Returns:
String url部分 (可为null).

compareTo

public int compareTo(java.lang.Object o)
实现Comparable接口的compareTo()方法.

Specified by:
compareTo in interface java.lang.Comparable
Parameters:
o - Object 要比较的对象.
Returns:
int 返回值为负数表示小于,0表示等于,正数表示大于.
Throws:
java.lang.ClassCastException - if the specified object's type prevents it from being compared to this Object.

equals

public boolean equals(java.lang.Object obj)
测试两个对象是否相等.

Overrides:
equals in class AbstractChartData
Parameters:
obj - the object (null permitted).
Returns:
A boolean.

hashCode

public int hashCode()
计算对象的hashcode值.

Overrides:
hashCode in class AbstractChartData
Returns:
int 对象的hashcode值.

clone

public java.lang.Object clone()
                       throws java.lang.CloneNotSupportedException
返回克隆的对象.

Overrides:
clone in class AbstractChartData
Returns:
object a clone of this instance.
Throws:
java.lang.CloneNotSupportedException - if the object's class does not support the Cloneable interface. Subclasses that override the clone method can also throw this exception to indicate that an instance cannot be cloned.

toString

public java.lang.String toString()
覆盖toString方法.

Overrides:
toString in class AbstractChartData
Returns:
a string representation of the object.