Class NullWrappedUnary
- java.lang.Object
-
- com.singularsys.jep.functions.PostfixMathCommand
-
- com.singularsys.jep.functions.UnaryFunction
-
- com.singularsys.jep.misc.nullwrapper.functions.NullWrappedUnary
-
- All Implemented Interfaces:
NullWrappedFunctionI
,PostfixMathCommandI
,java.io.Serializable
public class NullWrappedUnary extends UnaryFunction implements NullWrappedFunctionI
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
Constructors Constructor Description NullWrappedUnary(UnaryFunction fun)
-
Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description java.lang.Object
eval(java.lang.Object arg)
PostfixMathCommandI
getRoot()
Get to function which this function wraps.void
setName(java.lang.String name)
Sets the name of the function used for error messages-
Methods inherited from class com.singularsys.jep.functions.UnaryFunction
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
-
-
-
-
Constructor Detail
-
NullWrappedUnary
public NullWrappedUnary(UnaryFunction fun)
- Parameters:
fun
-
-
-
Method Detail
-
getRoot
public PostfixMathCommandI getRoot()
Description copied from interface:NullWrappedFunctionI
Get to function which this function wraps.- Specified by:
getRoot
in interfaceNullWrappedFunctionI
- Returns:
- the root function, may be "this".
-
setName
public void setName(java.lang.String name)
Description copied from interface:PostfixMathCommandI
Sets the name of the function used for error messages- Specified by:
setName
in interfacePostfixMathCommandI
- Overrides:
setName
in classPostfixMathCommand
- Parameters:
name
- the function name
-
eval
public java.lang.Object eval(java.lang.Object arg) throws EvaluationException
- Specified by:
eval
in classUnaryFunction
- Throws:
EvaluationException
-
-