Package com.singularsys.jep.misc.functions

Class IsType

java.lang.Object

com.singularsys.jep.functions.PostfixMathCommand

com.singularsys.jep.functions.UnaryFunction

com.singularsys.jep.misc.functions.IsType

All Implemented Interfaces:

PostfixMathCommandI, Serializable

public class IsType
extends UnaryFunction

Tests if a value is an instance of a specified type. The result is true if the argument is an instance of the specified type, false otherwise. For example

jep.addFunction("isNumber",new IsType(Number.class));

Author:

Richard Morris

See Also:

• Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class com.singularsys.jep.functions.UnaryFunction

UnaryFunction.FunctionWithException<T>

Field Summary

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

curNumberOfParameters, description, name, NaN, numberOfParameters

Constructor Summary

Constructors

Constructor	Description
IsType(Class<?> classType)

Method Summary

Modifier and Type	Method	Description
Object	eval(Object arg)	Evaluate the function

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

instanceOf, instanceOf, instanceOf, instanceOf, run

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

asArray, asBool, asDouble, asInt, asLong, asStrictInt, asString, asType, checkNumberOfParameters, getDescription, getDescription, getDescriptionWithType, getName, getNumberOfParameters, setCurNumberOfParameters, setDescription, setName, toString, toString

Methods inherited from class java.lang.Object

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

Constructor Details

IsType

public IsType(Class<?> classType)

Parameters:

classType - the class to test with

Method Details

eval

public Object eval(Object arg)

Description copied from class: UnaryFunction

Evaluate the function

Specified by:

eval in class UnaryFunction

Parameters:

arg - the single argument passed in

Returns:

the result of the function