Package com.singularsys.jep.misc.nullwrapper.functions

Class NullWrappedBinary

java.lang.Object

com.singularsys.jep.functions.PostfixMathCommand

com.singularsys.jep.functions.BinaryFunction

com.singularsys.jep.misc.nullwrapper.functions.NullWrappedBinary

All Implemented Interfaces:

NullWrappedFunctionI, PostfixMathCommandI, Serializable

public class NullWrappedBinary
extends BinaryFunction
implements NullWrappedFunctionI

Null wrapped version of a binary function. Both null OP any and any OP null both return null otherwise the same value as the original is returned.

Since:

3.4

Author:

Richard Morris

See Also:

• BinaryFunction
• Serialized Form

Field Summary

Fields inherited from class com.singularsys.jep.functions.PostfixMathCommand

curNumberOfParameters, name, NaN, numberOfParameters

Constructor Summary

Constructors

Constructor	Description
NullWrappedBinary(BinaryFunction fun)

Method Summary

Modifier and Type	Method	Description
Object	eval(Object l, Object r)
PostfixMathCommandI	getRoot()	Get to function which this function wraps.
void	setName(String name)	Sets the name of the function used for error messages

Methods inherited from class com.singularsys.jep.functions.BinaryFunction

instanceOf, instanceOf, run

Methods inherited from class com.singularsys.jep.functions.PostfixMathCommand

asArray, asBool, asDouble, asInt, asLong, asStrictInt, asString, checkNumberOfParameters, getName, getNumberOfParameters, setCurNumberOfParameters, toString, toString

Methods inherited from class java.lang.Object

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

Constructor Details

NullWrappedBinary

public NullWrappedBinary(BinaryFunction fun)

Parameters:

fun -

Method Details

getRoot

public PostfixMathCommandI getRoot()

Description copied from interface: NullWrappedFunctionI

Get to function which this function wraps.

Specified by:

getRoot in interface NullWrappedFunctionI

Returns:

the root function, may be "this".

setName

public void setName(String name)

Description copied from interface: PostfixMathCommandI

Sets the name of the function used for error messages

Specified by:

setName in interface PostfixMathCommandI

Overrides:

setName in class PostfixMathCommand

Parameters:

name - the function name

eval

public Object eval(Object l,
 Object r)
            throws EvaluationException

Specified by:

eval in class BinaryFunction

Throws:

EvaluationException