/**
* Instantiates a new mongo state service.
*
* @param params the params
* @throws UnknownHostException the unknown host exception
*/
public MongoStateProvider(final ObjectNode params) throws UnknownHostException {
final MongoStateConfig config = MongoStateConfig.decorate(params);
// initialization of client & jongo
final MongoClient client = createClient(config.getHost(), config.getPort());
jongo = new Jongo(client.getDB(config.getDatabase()));
collectionName = config.getCollection();
jongo.runCommand("{collMod: '" + collectionName + "', usePowerOf2Sizes : true }");
}
