org.conqat.lib.commons.collections

Interface ILookahead<Data,X extends java.lang.Exception>

All Known Implementing Classes:

TokenListLookahead

public interface ILookahead<Data,X extends java.lang.Exception>

Offers the ability to perform lookahead on an ordered collection.

Method Summary

Modifier and Type	Method and Description
Data	lookahead(int index) Returned elements remain in the underlying data structure and are still accessible.

Method Detail

lookahead

Data lookahead(int index)
        throws X extends java.lang.Exception

Returned elements remain in the underlying data structure and are still accessible.

Parameters:

index - Number of elements that are looked ahead

Returns:

Element at index, or null, if the provider doesn't contain that many elements anymore

Throws:

X extends java.lang.Exception