/*

  * #%L

  * ServerSelector.java - mongodb-async-driver - Allanbank Consulting, Inc.

  * %%

  * Copyright (C) 2011 - 2014 Allanbank Consulting, Inc.

  * %%

  * Licensed under the Apache License, Version 2.0 (the "License");

  * you may not use this file except in compliance with the License.

  * You may obtain a copy of the License at

  * 

  *      http://www.apache.org/licenses/LICENSE-2.0

  * 

  * Unless required by applicable law or agreed to in writing, software

  * distributed under the License is distributed on an "AS IS" BASIS,

  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

  * See the License for the specific language governing permissions and

  * limitations under the License.

  * #L%

  */

 package com.allanbank.mongodb.client.state;

 import java.util.List;

 /**

  * ServerSelector provides a common interface for a methodology to select a

  * server.

  * 

  * @api.no This class is <b>NOT</b> part of the drivers API. This class may be

  *         mutated in incompatible ways between any two releases of the driver.

  * @copyright 2012-2013, Allanbank Consulting, Inc., All Rights Reserved

  */

 public interface ServerSelector {

     /**

      * Picks a server to try and connect to. The exact criteria used to select a

      * server is defined by the implementation.

      * 

      * @return The selected server to try and connect to.

      */

     public List<Server> pickServers();

 }