net.sf.arise.piji
Class Lambda

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

All Implemented Interfaces:

Function

public final class Lambda

extends AbstractFunction

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
static Lambda	create(Context context, Expression[] expr, int offset, int formalsOffset)
int	getArgumentCount() Gets the minimum number of required arguments
java.lang.String	toString()

Methods inherited from class net.sf.arise.piji.AbstractFunction

checkArgumentCount, checkLeaf, checkLeaf, checkList, checkList, checkString, checkString, checkSymbol, checkSymbol, checkSymbol, checkSymbol, fillContext, fillContext, getContext, getDocumentationString, isLeaf, isList, isString, isSymbol, isVararg

Methods inherited from class java.lang.Object

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

Method Detail

create

public static Lambda create(Context context,
                            Expression[] expr,
                            int offset,
                            int formalsOffset)
                     throws BadArgumentException

BadArgumentException

getArgumentCount

public int getArgumentCount()

Description copied from interface: Function

Gets the minimum number of required arguments

Specified by:

getArgumentCount in interface Function

Overrides:

getArgumentCount in class AbstractFunction

Returns:

The number of required arguments

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

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object