storm-server/src/main/java/org/apache/storm/scheduler/resource/strategies/scheduling/sorter/NodeSorter.java [439:485]:
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                return nodeIterator;
            }

            return null;
        }

        @Override
        public boolean hasNext() {
            if (pre.hasNext()) {
                return true;
            }
            if (nextValueFromNode != null) {
                return true;
            }
            while (true) {
                //For the node we don't know if we have another one unless we look at the contents
                Iterator<ObjectResourcesItem> nodeIterator = getNodeIterator();
                if (nodeIterator == null || !nodeIterator.hasNext()) {
                    break;
                }
                String tmp = nodeIterator.next().id;
                if (!skip.contains(tmp)) {
                    nextValueFromNode = tmp;
                    return true;
                }
            }
            return post.hasNext();
        }

        @Override
        public String next() {
            if (!hasNext()) {
                throw new NoSuchElementException();
            }
            if (pre.hasNext()) {
                return pre.next();
            }
            if (nextValueFromNode != null) {
                String tmp = nextValueFromNode;
                nextValueFromNode = null;
                return tmp;
            }
            return post.next();
        }
    }

    private class LazyNodeSorting implements Iterable<String> {
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storm-server/src/main/java/org/apache/storm/scheduler/resource/strategies/scheduling/sorter/NodeSorterHostProximity.java [514:560]:
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                return nodeIterator;
            }

            return null;
        }

        @Override
        public boolean hasNext() {
            if (pre.hasNext()) {
                return true;
            }
            if (nextValueFromNode != null) {
                return true;
            }
            while (true) {
                //For the node we don't know if we have another one unless we look at the contents
                Iterator<ObjectResourcesItem> nodeIterator = getNodeIterator();
                if (nodeIterator == null || !nodeIterator.hasNext()) {
                    break;
                }
                String tmp = nodeIterator.next().id;
                if (!skip.contains(tmp)) {
                    nextValueFromNode = tmp;
                    return true;
                }
            }
            return post.hasNext();
        }

        @Override
        public String next() {
            if (!hasNext()) {
                throw new NoSuchElementException();
            }
            if (pre.hasNext()) {
                return pre.next();
            }
            if (nextValueFromNode != null) {
                String tmp = nextValueFromNode;
                nextValueFromNode = null;
                return tmp;
            }
            return post.next();
        }
    }

    private class LazyNodeSorting implements Iterable<String> {
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