code: /*
   * Copyright 2012-2018 Chronicle Map Contributors
   *
   * 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 net.openhft.chronicle.map;
  
  import net.openhft.chronicle.hash.HashQueryContext;
  import net.openhft.chronicle.map.replication.MapRemoteOperations;
  import org.jetbrains.annotations.Nullable;
  
  /**
   * A context of {@link ChronicleMap} operations with <i>individual keys</i>
   * (like during {@code get()}, {@code put()}, etc., opposed to <i>bulk</i> operations).
   * This is the main context type of {@link MapMethods} and {@link MapRemoteOperations}.
   *
   * @param <K> the map key type
   * @param <V> the map value type
   * @param <R> the return type of {@link MapEntryOperations} specialized for the queried map
   * @see ChronicleMap#queryContext(Object)
   */
  public interface MapQueryContext<K, V, R> extends HashQueryContext<K>, MapContext<K, V, R> {
  
      @Override
      @Nullable
      MapEntry<K, V> entry();
  
      @Override
      @Nullable
      MapAbsentEntry<K, V> absentEntry();
  }
  