Package com.fathzer.soft.javaluator

Class Function

java.lang.Object

com.fathzer.soft.javaluator.Function

public class Function
extends Object

A function.

Author:

Jean-Marc Astesana

See Also:

• License information (Apache 2)

Constructor Summary

Constructors

Constructor	Description
Function(String name, int argumentCount)	Constructor.
Function(String name, int minArgumentCount, int maxArgumentCount)	Constructor.

Method Summary

Modifier and Type	Method	Description
int	getMaximumArgumentCount()	Gets the function's maximum argument count.
int	getMinimumArgumentCount()	Gets the function's minimum argument count.
String	getName()	Gets the function's name.

Methods inherited from class java.lang.Object

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

Constructor Details

Function

public Function(String name,
 int argumentCount)

Constructor.
This constructor builds a function with a fixed arguments count.

Parameters:

name - The function's name

argumentCount - The function's argument count.

Throws:

IllegalArgumentException - if argumentCount is lower than 0 or if the function name is null or empty.

Function

public Function(String name,
 int minArgumentCount,
 int maxArgumentCount)

Constructor.
This constructor builds a function with a variable arguments count.
For instance, a minimum function may have at least one argument.

Parameters:

name - The function's name

minArgumentCount - The function's minimum argument count.

maxArgumentCount - The function's maximum argument count (Integer.MAX_VALUE to specify no upper limit).

Throws:

IllegalArgumentException - if minArgumentCount is less than 0 or greater than maxArgumentCount or if the function name is null or empty.

Method Details

getName

public String getName()

Gets the function's name.

Returns:

the name of the function

getMinimumArgumentCount

public int getMinimumArgumentCount()

Gets the function's minimum argument count.

Returns:

an integer

getMaximumArgumentCount

public int getMaximumArgumentCount()

Gets the function's maximum argument count.

Returns:

an integer