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/*
 * Copyright (c) 2008-2014 MongoDB, 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.
 */

package com.mongodb.binding;

import com.mongodb.async.SingleResultCallback;
import com.mongodb.connection.AsyncConnection;
import com.mongodb.connection.ServerDescription;

/**
 * A source of connections to a single MongoDB server.
 *
 * @since 3.0
 */
public interface AsyncConnectionSource extends ReferenceCounted {

    /**
     * Gets the current description of this source.
     *
     * @return the current details of the server state.
     */
    ServerDescription getServerDescription();

    /**
     * Gets a connection from this source.
     *
     * @param callback the to be passed the connection
     */
    void getConnection(SingleResultCallback callback);

    @Override
    AsyncConnectionSource retain();
}