de.unkrig.commons.util.collections

Interface ElementWithContext<T>

Type Parameters:

T - The element type of the underlying container

public interface ElementWithContext<T>

A helper interface which extends the "iterator" pattern with the possibility to access not only the current element of a sequence, but also the previous and next element.

See Also:

previous(), current(), next()

Method Summary

Modifier and Type	Method and Description
T	current()
T	next()
T	previous()

Method Detail

previous

@Nullable
T previous()

Returns:

The element before the current element, or null iff the current element is the first element

current

T current()

Returns:

The current element (always non-null)

next

@Nullable
T next()

Returns:

The element after the current element, or null iff the current element is the last element