程序包 com.grapecity.documents.excel

类 CustomFunction

java.lang.Object

com.grapecity.documents.excel.CustomFunction

public abstract class CustomFunction
extends Object

Represents the base type for custom function.

字段概要

字段

修饰符和类型	字段	说明
String	name

构造器概要

构造器

构造器	说明
CustomFunction(String name, FunctionValueType result)	Initializes an instance of a custom function.
CustomFunction(String name, FunctionValueType result, Parameter[] parameters)	Initializes an instance of a custom function.
CustomFunction(String name, String description, FunctionValueType result, Parameter[] parameters)	Initializes an instance of a custom function.

方法概要

修饰符和类型	方法	说明
abstract Object	evaluate(Object[] arguments, ICalcContext context)	Calculate the function.
boolean	getIsVolatile()	Gets whether to allow custom formula use cache.
void	setIsVolatile(boolean aVolatile)	Sets whether to allow custom formula use cache.

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

字段详细资料

name

public String name

构造器详细资料

CustomFunction

public CustomFunction(String name,
 FunctionValueType result)

Initializes an instance of a custom function.

参数:

name - The name of the custom function.

result - Specifies the return type for the custom function.

CustomFunction

public CustomFunction(String name,
 FunctionValueType result,
 Parameter[] parameters)

Initializes an instance of a custom function.

参数:

name - The name of the custom function.

result - Specifies the return type for the custom function.

parameters - Specifies the parmeters for the custom function.

CustomFunction

public CustomFunction(String name,
 String description,
 FunctionValueType result,
 Parameter[] parameters)

Initializes an instance of a custom function.

参数:

name - The name of the custom function.

description - The description of the custom function.

result - Specifies the return type for the custom function.

parameters - Specifies the parmeters for the custom function.

方法详细资料

getIsVolatile

public boolean getIsVolatile()

Gets whether to allow custom formula use cache.

setIsVolatile

public void setIsVolatile(boolean aVolatile)

Sets whether to allow custom formula use cache.

evaluate

public abstract Object evaluate(Object[] arguments,
 ICalcContext context)

Calculate the function.

参数:

arguments - the value collection of the arguments

context - the context of the calculation.

返回:

the result of the function.