public void remove(String collection, DBObject query) {
DBCollection dbCollection = getCollection(collection);
dbCollection.remove(query);
Jedis jedis = JedisManager.getJedis();
jedis.zrem("expire", query.toString());
jedis.hdel(collection, query.toString());
JedisManager.returnJedis(jedis);
}
public void updateDocument(String collection, DBObject query, DBObject document) {
DBCollection dbCollection = getCollection(collection);
dbCollection.update(query, document);
Jedis jedis = JedisManager.getJedis();
if (jedis.hexists(collection, query.toString())) {
jedis.hset(collection, query.toString(), findOneNoCache(collection, query).toString());
jedis.zadd("expire", System.currentTimeMillis() + 300000, collection + "_" + query);
}
JedisManager.returnJedis(jedis);
}
public void delete(String collection, DBObject query) {
DBCollection dbCollection = getCollection(collection);
dbCollection.remove(query);
Jedis jedis = JedisManager.getJedis();
if (jedis.hexists(collection, query.toString())) {
jedis.hdel(collection, query.toString(), findOneNoCache(collection, query).toString());
jedis.zrem("expire", collection + "_" + query);
}
JedisManager.returnJedis(jedis);
}
@Override
public String Json(String nombreDB, int clienteId) throws UnknownHostException, JSONException {
// TODO Auto-generated method stub
MongoClient mongoClient = new MongoClient("localhost", 27017);
DB base = mongoClient.getDB(nombreDB);
DBCollection collection = base.getCollection("Json");
BasicDBObject query = new BasicDBObject();
query.put("id", clienteId);
DBCursor cursor = collection.find(query);
if (cursor.size() == 0) {
// System.out.println("********************\n");
// System.out.println("No existe el cliente, no se puede ingresar json");
// System.out.println("********************\n");
return "No existe el cliente, no se puede ingresar json";
}
// Existe el cliente
DBObject objeto = (DBObject) cursor.next();
DBObject json = (DBObject) objeto.get("json");
// DBObject j = JSON.parse(json.toString());
JSONObject aj = new JSONObject(json.toString());
return aj.toString();
}
@Override
public void loadPlayer(UUID uuid) {
service.submit(
() -> {
DBCursor cursor = collection.find(new BasicDBObject("uuid", uuid));
GamePlayer player = null;
if (cursor.hasNext()) {
DBObject next = cursor.next();
String json = next.toString();
player = GSON.fromJson(json, new TypeToken<GamePlayer>() {}.getType());
}
if (player == null) {
player = new GamePlayer(uuid);
}
PlayerRegistry.registerPlayer(player);
});
}
public DBObject findOne(String collection, DBObject query) {
Jedis jedis = JedisManager.getJedis();
Set<String> expiredKeys = jedis.zrangeByScore("expire", 0, System.currentTimeMillis());
if (expiredKeys.isEmpty() == false) {
String[] keyArray = new String[expiredKeys.size()];
expiredKeys.toArray(keyArray);
jedis.del(keyArray);
jedis.zrem("expire", keyArray);
}
JSONObject jsonObject = null;
if (jedis.hexists(collection, query.toString())) {
String data = jedis.hget(collection, query.toString());
if (data != null) {
try {
jsonObject = new JSONObject(data);
} catch (JSONException e) {
e.printStackTrace();
}
}
}
DBObject dbObject;
if (jsonObject == null) {
DBCollection dbCollection = getCollection(collection);
DBCursor dbCursor = dbCollection.find(query).limit(1);
if (dbCursor.hasNext() == false) {
return null;
}
dbObject = dbCursor.next();
dbCursor.close();
jedis.hset(collection, query.toString(), dbObject.toString());
jedis.zadd("expire", System.currentTimeMillis() + 300000, collection + "_" + query);
} else {
dbObject = (DBObject) JSON.parse(jsonObject.toString());
jedis.hset(collection, query.toString(), dbObject.toString());
jedis.zadd("expire", System.currentTimeMillis() + 300000, collection + "_" + query);
}
JedisManager.returnJedis(jedis);
return dbObject;
}
public static void main(String[] args) {
// TODO Auto-generated method stub
try {
MongoClient mc = new MongoClient("localhost");
DB db = mc.getDB("mydb");
DBCollection dbc = db.getCollection("books");
/*BasicDBObject book=
new BasicDBObject();
book.put("name", "자바의 정석");
book.put("pages", 600);
dbc.insert(book);
book=
new BasicDBObject();
book.put("name", "스프링4");
book.put("pages", 250);
dbc.insert(book);
book=
new BasicDBObject();
book.put("name", "JQuery");
book.put("pages", 150);
dbc.insert(book);
book=
new BasicDBObject();
book.put("name", "오라클 프로그램");
book.put("pages", 800);
dbc.insert(book);
book=
new BasicDBObject();
book.put("name", "AngularJS");
book.put("pages", 130);
dbc.insert(book);
book=
new BasicDBObject();
book.put("name", "MongoDB");
book.put("pages", 650);
dbc.insert(book);
book=
new BasicDBObject();
book.put("name", "Hadoop");
book.put("pages", 300);
dbc.insert(book);
book=
new BasicDBObject();
book.put("name", "HIVE");
book.put("pages", 350);
dbc.insert(book);
book=
new BasicDBObject();
book.put("name", "PIG");
book.put("pages", 650);
dbc.insert(book);
book=
new BasicDBObject();
book.put("name", "HTML5");
book.put("pages", 360);
dbc.insert(book);*/
String map =
"function(){"
+ "var category;"
+ "if(this.pages>=300){"
+ "category='Big Books';"
+ "}else{"
+ "category='Small Books';}"
+ "emit(category,{name:this.name});}";
String reduce =
"function(key,values){"
+ "var sum=0;"
+ "values.forEach(function(doc){"
+ "sum+=1;"
+ "});"
+ "return {books:sum};}";
MapReduceCommand cmd =
new MapReduceCommand(dbc, map, reduce, null, MapReduceCommand.OutputType.INLINE, null);
MapReduceOutput out = dbc.mapReduce(cmd);
for (DBObject o : out.results()) {
System.out.println(o.toString());
}
} catch (Exception ex) {
System.out.println(ex.getMessage());
}
}