com.hazelcast.cache.impl.SplitBrainAwareCacheRecordStore Maven / Gradle / Ivy
/*
* Copyright (c) 2008-2016, 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;
import com.hazelcast.cache.CacheEntryView;
import com.hazelcast.cache.CacheMergePolicy;
import com.hazelcast.cache.impl.record.CacheRecord;
import com.hazelcast.nio.serialization.Data;
/**
* Contract point for {@link com.hazelcast.cache.impl.ICacheRecordStore} implementations
* which are handled in split-brain.
*
* @see CacheRecordStore
* @see CacheEntryView
* @see CacheMergePolicy
*/
public interface SplitBrainAwareCacheRecordStore
extends ICacheRecordStore {
/**
* Merges given record (inside given {@link CacheEntryView}) with the existing record as given {@link CacheMergePolicy}.
*
* @param cacheEntryView the {@link CacheEntryView} instance that wraps key/value for merging and existing entry
* @param mergePolicy the {@link CacheMergePolicy} instance for handling merge policy
* @return the used {@link CacheRecord} if merge is applied, otherwise null
*/
CacheRecord merge(CacheEntryView cacheEntryView, CacheMergePolicy mergePolicy);
}