net.obvj.jep.functions

Class Count

java.lang.Object

org.nfunk.jep.function.PostfixMathCommand

net.obvj.jep.functions.Count

All Implemented Interfaces:

org.nfunk.jep.function.PostfixMathCommandI

public class Count
extends org.nfunk.jep.function.PostfixMathCommand

This class implements a JEP function that counts elements.

Author:

oswaldo.bapvic.jr

Constructor Summary

Constructors

Constructor and Description
Count() Builds this function with a fixed number of one parameter

Method Summary

Modifier and Type	Method and Description
int	count(Object object) Counts the elements of an Object which may be a Collection, array, JSONArray, or string representation of JSONArray.
void	run(Stack stack)

Methods inherited from class org.nfunk.jep.function.PostfixMathCommand

checkNumberOfParameters, getNumberOfParameters, setCurNumberOfParameters

Methods inherited from class java.lang.Object

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

Constructor Detail

Count

public Count()

Builds this function with a fixed number of one parameter

Method Detail

run

public void run(Stack stack)
         throws org.nfunk.jep.ParseException

Specified by:

run in interface org.nfunk.jep.function.PostfixMathCommandI

Overrides:

run in class org.nfunk.jep.function.PostfixMathCommand

Throws:

org.nfunk.jep.ParseException

See Also:

PostfixMathCommand.run(java.util.Stack)

count

public int count(Object object)

Counts the elements of an Object which may be a Collection, array, JSONArray, or string representation of JSONArray.

Parameters:

object - the Object whose length is to the counted

Returns:

The count of elements inside the given Object.