/*
 * 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.client.internal;

import com.mongodb.ReadConcern;
import com.mongodb.ReadPreference;
import com.mongodb.lang.Nullable;
import com.mongodb.operation.ReadOperation;
import com.mongodb.operation.WriteOperation;
import com.mongodb.client.ClientSession;

An interface describing the execution of a read or a write operation. This class is not part of the public API and may be removed or changed at any time.
/** * An interface describing the execution of a read or a write operation. * * This class is not part of the public API and may be removed or changed at any time. */
public interface OperationExecutor {
Execute the read operation with the given read preference.
Params:
  • operation – the read operation.
  • readPreference – the read preference.
  • readConcern – the read concern
Type parameters:
  • <T> – the operations result type.
Returns:the result of executing the operation.
/** * Execute the read operation with the given read preference. * * @param <T> the operations result type. * @param operation the read operation. * @param readPreference the read preference. * @param readConcern the read concern * @return the result of executing the operation. */
<T> T execute(ReadOperation<T> operation, ReadPreference readPreference, ReadConcern readConcern);
Execute the write operation.
Params:
  • operation – the write operation.
  • readConcern – the read concern
Type parameters:
  • <T> – the operations result type.
Returns:the result of executing the operation.
/** * Execute the write operation. * * @param operation the write operation. * @param readConcern the read concern * @param <T> the operations result type. * @return the result of executing the operation. */
<T> T execute(WriteOperation<T> operation, ReadConcern readConcern);
Execute the read operation with the given read preference.
Params:
  • operation – the read operation.
  • readPreference – the read preference.
  • readConcern – the read concern
  • session – the session to associate this operation with
Type parameters:
  • <T> – the operations result type.
Returns:the result of executing the operation.
/** * Execute the read operation with the given read preference. * * @param <T> the operations result type. * @param operation the read operation. * @param readPreference the read preference. * @param readConcern the read concern * @param session the session to associate this operation with * @return the result of executing the operation. */
<T> T execute(ReadOperation<T> operation, ReadPreference readPreference, ReadConcern readConcern, @Nullable ClientSession session);
Execute the write operation.
Params:
  • operation – the write operation.
  • readConcern – the read concern
  • session – the session to associate this operation with
Type parameters:
  • <T> – the operations result type.
Returns:the result of executing the operation.
/** * Execute the write operation. * * @param operation the write operation. * @param readConcern the read concern * @param session the session to associate this operation with * @param <T> the operations result type. * @return the result of executing the operation. */
<T> T execute(WriteOperation<T> operation, ReadConcern readConcern, @Nullable ClientSession session); }