玩这个并且无法获得抓地力 关于如何连接密码。
在MongoDb中,它很容易理解,但是当我使用morphia时,它并非如此 很明显,因为文档很少或我错过了它。
我已经收藏了5份文件 我可以申请那个用户/通行证吗?
如何修改此代码,以便日志记录使用用户名和密码?
从这篇文章中取出代码(谢谢@Lennart Koopmann)
MongoDB Java driver tutorial
public final class MongoConnectionManager {
private static final MongoConnectionManager
INSTANCE = new MongoConnectionManager();
private final Datastore db;
public static final String DB_NAME = "mongo_database";
private MongoConnectionManager() {
try {
Mongo m = new Mongo("localhost", 27017);
db = new Morphia().map(UserData.class)
.map(Statistic.class)
.map(FriendList.class)
.map(ServerData.class)
.map(BatchData.class).createDatastore(m, DB_NAME);
db.ensureIndexes();
}
catch (Exception e) {
throw new RuntimeException("Error initializing mongo db", e);
}
}
public static MongoConnectionManager instance() {
return INSTANCE;
}
public Datastore getDb() {
return db;
}
}
答案 0 :(得分:8)
也许您可以使用以下代码:
Morphia morphia = new Morphia();
ServerAddress addr = new ServerAddress("host", 27017);
List<MongoCredential> credentialsList = new ArrayList<MongoCredential>();
MongoCredential credentia = MongoCredential.createCredential(
"username", "dbname", "password".toCharArray());
credentialsList.add(credentia);
MongoClient client = new MongoClient(addr, credentialsList);
datastore = morphia.createDatastore(client, "dbname");
答案 1 :(得分:2)