/*
* Copyright (c) 2008-2017, Hazelcast, Inc. All Rights Reserved.
*
* 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.hazelcast.cache.impl.record;
import com.hazelcast.cache.impl.CacheEntryIterationResult;
import com.hazelcast.cache.impl.CacheKeyIterationResult;
import com.hazelcast.internal.eviction.EvictableStore;
import com.hazelcast.nio.serialization.Data;
import java.util.Map;
/**
* Contract point for storing {@link CacheRecord}s.
*
* @param <K> type of the key of {@link CacheRecord} to be stored
* @param <V> type of the value of {@link CacheRecord} to be stored
*/
public interface CacheRecordMap<K extends Data, V extends CacheRecord>
extends Map<K, V>, EvictableStore<K, V> {
/**
* Sets the entry counting behaviour.
* Because, records on backup partitions should not be counted.
*
* @param enable enables the entry counting behaviour if it is <tt>true</tt>, otherwise disables.
*/
void setEntryCounting(boolean enable);
/**
* Fetches keys in bulk as specified <tt>size</tt> at most.
*
* @param nextTableIndex starting point for fetching
* @param size maximum bulk size to fetch the keys
* @return the {@link CacheKeyIterationResult} instance contains fetched keys
*/
CacheKeyIterationResult fetchKeys(int nextTableIndex, int size);
/**
* Fetches entries in bulk as specified <tt>size</tt> at most.
*
* @param nextTableIndex starting point for fetching
* @param size maximum bulk size to fetch the entries
* @return the {@link CacheEntryIterationResult} instance contains fetched keys
*/
CacheEntryIterationResult fetchEntries(int nextTableIndex, int size);
}