net.obvj.jep.functions

Class BinaryBooleanFunction

java.lang.Object

org.nfunk.jep.function.PostfixMathCommand

net.obvj.jep.functions.BinaryBooleanFunction

All Implemented Interfaces:

MultiStrategyCommand, org.nfunk.jep.function.PostfixMathCommandI

public class BinaryBooleanFunction
extends org.nfunk.jep.function.PostfixMathCommand
implements MultiStrategyCommand

An "abstract" function that accepts two parameters (of any type) and returns 1 (true) or 0 (false), depending on the target evaluation strategy.

The function will always return true if both parameters are equal.

Author:

oswaldo.bapvic.jr

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	BinaryBooleanFunction.Strategy Defines particular strategies for the BinaryBooleanFunction.

Constructor Summary

Constructors

Constructor and Description
BinaryBooleanFunction(BinaryBooleanFunction.Strategy operation) Builds this custom command with a fixed number of 2 parameters.

Method Summary

Modifier and Type	Method and Description
Object	getStrategy()
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

BinaryBooleanFunction

public BinaryBooleanFunction(BinaryBooleanFunction.Strategy operation)

Builds this custom command with a fixed number of 2 parameters.

Parameters:

operation - the BinaryBooleanFunction.Strategy to be set

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:

Comparative.run(java.util.Stack)

getStrategy

public Object getStrategy()

Specified by:

getStrategy in interface MultiStrategyCommand

Returns:

the strategy assigned to a command instance, for testing purposes

See Also:

MultiStrategyCommand.getStrategy()