elk-util-parent/elk-util-collections/src/main/java/org/semanticweb/elk/util/collections/LinearProbingIterator.java
int seekNext(int pos) {
		for (;;) {
			if (++pos == dataSnapshot.length)
				pos = 0;
			if (pos == start_ || isOccupied(pos))
				return pos;
		}
	}
int seekNext(int pos) {
		for (;;) {
			if (++pos == dataSnapshot.length)
				pos = 0;
			if (pos == start_ || isOccupied(pos))
				return pos;
		}
	}
Searches for the next non-{@code null} element after the given position
before the start position

@param pos
position after which to search
@return the position of the non-{@code null} element, or {@link #start_}
if there are no such element