com.singularsys.jep.misc.nullwrapper
Class NullWrapperUnary

java.lang.Object
  com.singularsys.jep.functions.PostfixMathCommand
      com.singularsys.jep.functions.UnaryFunction
          com.singularsys.jep.misc.nullwrapper.NullWrapperUnary

All Implemented Interfaces:

PostfixMathCommandI, java.io.Serializable

public class NullWrapperUnary
extends UnaryFunction

Null wrapped version of a unary function. fun(null) will return null

Since:

3.4

Author:

Richard Morris

See Also:

UnaryFunction, Serialized Form

Field Summary

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

curNumberOfParameters, name, NaN, numberOfParameters

Constructor Summary

NullWrapperUnary(UnaryFunction fun)

Method Summary

java.lang.Object

eval(java.lang.Object arg)

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

run

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

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

Methods inherited from class java.lang.Object

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

Constructor Detail

NullWrapperUnary

public NullWrapperUnary(UnaryFunction fun)

Parameters:

fun -

Method Detail

eval

public java.lang.Object eval(java.lang.Object arg)
                      throws EvaluationException

Specified by:

eval in class UnaryFunction

Throws:

EvaluationException