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);
}
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;
}
