@Override
public Map<String, Long> getId2mtime(Coll<?> coll) {
Map<String, Long> ret = null;
DBCollection dbcoll = fixColl(coll);
DBCursor cursor = dbcoll.find(dboEmpty, dboKeysIdandMtime);
try {
ret = new HashMap<String, Long>(cursor.count());
while (cursor.hasNext()) {
BasicDBObject raw = (BasicDBObject) cursor.next();
Object remoteId = raw.get(ID_FIELD);
// In case there is no _mtime set we assume 0. Probably a manual database addition by the
// server owner.
long mtime = raw.getLong(MTIME_FIELD, 0);
ret.put(remoteId.toString(), mtime);
}
} finally {
cursor.close();
}
return ret;
}
@Override
public Long getMtime(Coll<?> coll, String id) {
DBCollection dbcoll = fixColl(coll);
BasicDBObject found =
(BasicDBObject) dbcoll.findOne(new BasicDBObject(ID_FIELD, id), dboKeysMtime);
if (found == null) return null;
// In case there is no _mtime set we assume 0. Probably a manual database addition by the server
// owner.
long mtime = found.getLong(MTIME_FIELD, 0);
return mtime;
}
@Override
public Long save(Coll<?> coll, String id, JsonElement data) {
DBCollection dbcoll = fixColl(coll);
BasicDBObject dbo = new BasicDBObject();
Long mtime = System.currentTimeMillis();
dbo.put(ID_FIELD, id);
dbo.put(MTIME_FIELD, mtime);
GsonMongoConverter.gson2MongoObject(data, dbo);
dbcoll.save(dbo, MassiveCoreMConf.get().getMongoDbWriteConcernSave());
return mtime;
}
@Override
public Entry<JsonElement, Long> load(Coll<?> coll, String id) {
DBCollection dbcoll = fixColl(coll);
BasicDBObject raw = (BasicDBObject) dbcoll.findOne(new BasicDBObject(ID_FIELD, id));
if (raw == null) return null;
raw.removeField(ID_FIELD);
Long mtime = 0L;
Object mtimeObject = raw.removeField(MTIME_FIELD);
if (mtimeObject != null) {
mtime = ((Number) mtimeObject).longValue();
}
JsonElement element = GsonMongoConverter.mongo2GsonObject(raw);
return new SimpleEntry<JsonElement, Long>(element, mtime);
}
@Override
public Collection<String> getIds(Coll<?> coll) {
List<String> ret = null;
DBCollection dbcoll = fixColl(coll);
DBCursor cursor = dbcoll.find(dboEmpty, dboKeysId);
try {
ret = new ArrayList<String>(cursor.count());
while (cursor.hasNext()) {
Object remoteId = cursor.next().get(ID_FIELD);
ret.add(remoteId.toString());
}
} finally {
cursor.close();
}
return ret;
}
@Override
public boolean containsId(Coll<?> coll, String id) {
DBCollection dbcoll = fixColl(coll);
DBCursor cursor = dbcoll.find(new BasicDBObject(ID_FIELD, id));
return cursor.count() != 0;
}
@Override
public void delete(Coll<?> coll, String id) {
DBCollection dbcoll = fixColl(coll);
dbcoll.remove(
new BasicDBObject(ID_FIELD, id), MassiveCoreMConf.get().getMongoDbWriteConcernDelete());
}