/**
* Creates node predicate that evaluates to {@code true} for all provided nodes. Implementation
* will make a defensive copy.
*
* @param nodes Optional grid nodes. If none provided - predicate will always return {@code
* false}.
*/
public GridNodePredicate(@Nullable GridNode... nodes) {
if (F.isEmpty(nodes)) ids = Collections.emptySet();
else if (nodes.length == 1) ids = Collections.singleton(nodes[0].id());
else {
ids = new HashSet<>(nodes.length);
for (GridNode n : nodes) ids.add(n.id());
}
}
/**
* Marks key as locked.
*
* @param key Key.
*/
void locked(Object key) {
locked.add(key);
}