consistentstructure #2

consistentstructure2.java

DBObject test = TestDBObjectFactory.createJson();
DBCollection coll = db.getCollection("tests"); 
DBCursor cur = coll.find();

while(cur.hasNext()) {
	DBObject current = cur.next();

	Set symmetricDiff = new HashSet(test.keySet());
	symmetricDiff.addAll(current.keySet());
	Set tmp = new HashSet(test.keySet());
	tmp.retainAll(current.keySet()); 
	symmetricDiff.removeAll(tmp);

	if(symmetricDiff.size() != 0) {
		//iterate over the keys
		for(Iterator i = symmetricDiff.iterator(); i.hasNext();){
			String key = i.next();
			if(test.keySet().contains(key)) {
				System.out.println(key + " is missing from the expected structure for subdocument " + current.get("_id"));
			}
			else {
				System.out.println(key + " is an additional field in subdocument " + current.get("_id"));       
			}
		}
	}
}