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The Java operations layer for the MongoDB Java Driver. Third parties can wrap this layer to provide custom higher-level APIs

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/*
 * Copyright 2008-present 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.internal.connection;

import com.mongodb.ReadPreference;
import com.mongodb.annotations.ThreadSafe;
import com.mongodb.connection.ConnectionDescription;
import com.mongodb.internal.async.SingleResultCallback;
import com.mongodb.internal.binding.BindingContext;
import com.mongodb.internal.binding.ReferenceCounted;
import com.mongodb.lang.Nullable;
import org.bson.BsonDocument;
import org.bson.FieldNameValidator;
import org.bson.codecs.Decoder;

/**
 * An asynchronous connection to a MongoDB server with non-blocking operations.
 *
 * This class is not part of the public API and may be removed or changed at any time
 */
@ThreadSafe
public interface AsyncConnection extends ReferenceCounted {

    @Override
    AsyncConnection retain();

    /**
     * Gets the description of the connection.
     *
     * @return the connection description
     */
    ConnectionDescription getDescription();

     void commandAsync(String database, BsonDocument command, FieldNameValidator fieldNameValidator,
            @Nullable ReadPreference readPreference, Decoder commandResultDecoder, BindingContext context,
            SingleResultCallback callback);

     void commandAsync(String database, BsonDocument command, FieldNameValidator commandFieldNameValidator,
            @Nullable ReadPreference readPreference, Decoder commandResultDecoder,
            BindingContext context, boolean responseExpected, @Nullable SplittablePayload payload,
            @Nullable FieldNameValidator payloadFieldNameValidator, SingleResultCallback callback);

    void markAsPinned(Connection.PinningMode pinningMode);
}