HBaseClient client = (HBaseClient) clients.get("hbaseTest");
Filter filter = new PrefixFilter(Bytes.toBytes("100" + "_"));
client.addFilter("city_similarity", filter);
client.addFilter("bookinfo", new KeyOnlyFilter());
String query2 = "select u from CitySimilarity u";
com.impetus.kundera.query.Query queryObject = (com.impetus.kundera.query.Query) em
.createQuery(query2);