net.openhft.chronicle.map.MapQueryContext Maven / Gradle / Ivy

Go to download
/*
 * Copyright 2015 Higher Frequency Trading
 *
 *  http://www.higherfrequencytrading.com
 *
 *  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;

/**
 * The context of {@link ChronicleMap} operations with individual keys
 * (most: {@code get()}, {@code put()}, etc., opposed to bulk operations). This is the main
 * context type of {@link MapMethods} and {@link MapRemoteOperations}.
 * 
 * @param  the map key type
 * @param  the map value type
 * @param  the return type of {@link MapEntryOperations} specialized for the queried map
 * @see ChronicleMap#queryContext(Object)           
 */
public interface MapQueryContext extends HashQueryContext, MapContext {

    @Override
    @Nullable
    MapEntry entry();

    @Override
    @Nullable
    MapAbsentEntry absentEntry();
}