net.sf.arise.piji.fun
Class InstanceofFunction

java.lang.Object
  |
  +--net.sf.arise.piji.AbstractFunction
        |
        +--net.sf.arise.piji.fun.InstanceofFunction
All Implemented Interfaces:
Function

public final class InstanceofFunction
extends AbstractFunction

instanceof takes an object and any number of class denominators, returns true iff the object is an instance of them all.

Author:
Kjetil Valstadsve

Constructor Summary
InstanceofFunction(Context ctx)
           
 
Method Summary
 java.lang.Object apply(Context context, Expression[] args)
          Applies the function to a set of values in a given context and returns the result
 
Methods inherited from class net.sf.arise.piji.AbstractFunction
checkArgumentCount, checkLeaf, checkLeaf, checkList, checkList, checkString, checkString, checkSymbol, checkSymbol, checkSymbol, checkSymbol, fillContext, fillContext, getArgumentCount, getContext, getDocumentationString, isLeaf, isList, isString, isSymbol, isVararg
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

InstanceofFunction

public InstanceofFunction(Context ctx)
Method Detail

apply

public java.lang.Object apply(Context context,
                              Expression[] args)
                       throws java.lang.Throwable
Description copied from interface: Function
Applies the function to a set of values in a given context and returns the result

Specified by:
apply in interface Function
Specified by:
apply in class AbstractFunction
Parameters:
context - The context to apply this function in
Returns:
The result of the function applied to the arguments in the context
java.lang.Throwable


All code and documentation is

Copyright (c) : 2000-2003 Kjetil Valstadsve & Maja S. Bratseth