com.mongodb

类 Mongo.Holder

java.lang.Object

com.mongodb.Mongo.Holder

封闭类:

Mongo

public static class Mongo.Holder
extends java.lang.Object

Mongo.Holder can be used as a static place to hold several instances of Mongo. Security is not enforced at this level, and needs to be done on the application side.

构造器概要

构造器

构造器和说明
Holder()

方法概要

限定符和类型	方法和说明
Mongo	connect(MongoClientURI uri) Attempts to find an existing MongoClient instance matching that URI in the holder, and returns it if exists.
Mongo	connect(MongoURI uri) 已过时。 Please use connect(MongoClientURI) instead.
static Mongo.Holder	singleton() Get the only instance of Holder.

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

构造器详细资料

Holder

public Holder()

方法详细资料

singleton

public static Mongo.Holder singleton()

Get the only instance of Holder.

返回:

the singleton instance of Holder

connect

@Deprecated
public Mongo connect(MongoURI uri)

已过时。 Please use connect(MongoClientURI) instead.

Attempts to find an existing MongoClient instance matching that URI in the holder, and returns it if exists. Otherwise creates a new Mongo instance based on this URI and adds it to the holder.

参数:

uri - the Mongo URI

返回:

the client

抛出:

MongoException - if there's a failure

connect

public Mongo connect(MongoClientURI uri)

Attempts to find an existing MongoClient instance matching that URI in the holder, and returns it if exists. Otherwise creates a new Mongo instance based on this URI and adds it to the holder.

参数:

uri - the Mongo URI

返回:

the client

抛出:

MongoException - if there's a failure