Lightweigth wrapper around ConcurrentHashMap. Provides ability to persist HashMap state to mongodb
MongoClient client = new MongoClient("localhost");
DBCollection collection = ...
ConcurrentMongoMap<String, String> map = new ConcurrentMongoMap<String, String>();
map.setMongoCollection(collection);
map.load();
map.store("foo", "bar");
...
...
...
ConcurrentMongoMap<String, String> map = new ConcurrentMongoMap<String, String>();
map.setMongoCollection(collection);
map.load();
String barString = map.get("foo");