net.sf.arise.piji.fun
Class ForEachFunction

java.lang.Object
  |
  +--net.sf.arise.piji.AbstractFunction
        |
        +--net.sf.arise.piji.fun.ForEachFunction

All Implemented Interfaces:

Function

public class ForEachFunction

extends AbstractFunction

for-each takes a symbol, a list and any number of expression. It iterates through the list, binds the symbol to each value in it, and evalutes the expressions for each value

Author:

Kjetil Valstadsve

Constructor Summary

ForEachFunction(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

ForEachFunction

public ForEachFunction(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