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/**
 * Copyright (c) 2013-2020 Nikita Koksharov
 *
 * 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 org.redisson.hibernate.region;

import java.util.Properties;

import org.hibernate.cache.CacheException;
import org.hibernate.cache.spi.CacheDataDescription;
import org.hibernate.cache.spi.CacheKeysFactory;
import org.hibernate.cache.spi.NaturalIdRegion;
import org.hibernate.cache.spi.RegionFactory;
import org.hibernate.cache.spi.access.AccessType;
import org.hibernate.cache.spi.access.NaturalIdRegionAccessStrategy;
import org.hibernate.cfg.Settings;
import org.redisson.api.RMapCache;
import org.redisson.hibernate.strategy.NonStrictReadWriteNaturalIdRegionAccessStrategy;
import org.redisson.hibernate.strategy.ReadOnlyNaturalIdRegionAccessStrategy;
import org.redisson.hibernate.strategy.ReadWriteNaturalIdRegionAccessStrategy;
import org.redisson.hibernate.strategy.TransactionalNaturalIdRegionAccessStrategy;

/**
 * 
 * @author Nikita Koksharov
 *
 */
public class RedissonNaturalIdRegion extends BaseRegion implements NaturalIdRegion {

    private final Settings settings;
    private final CacheKeysFactory cacheKeysFactory;
    
    public RedissonNaturalIdRegion(RMapCache mapCache, RegionFactory regionFactory,
            CacheDataDescription metadata, Settings settings, Properties properties, String defaultKey, CacheKeysFactory cacheKeysFactory) {
        super(mapCache, regionFactory, metadata, properties, defaultKey);
        this.settings = settings;
        this.cacheKeysFactory = cacheKeysFactory;
    }

    public CacheKeysFactory getCacheKeysFactory() {
        return cacheKeysFactory;
    }

    @Override
    public NaturalIdRegionAccessStrategy buildAccessStrategy(AccessType accessType) throws CacheException {
        if (accessType == AccessType.READ_ONLY) {
            return new ReadOnlyNaturalIdRegionAccessStrategy(settings, this);
        }
        if (accessType == AccessType.READ_WRITE) {
            return new ReadWriteNaturalIdRegionAccessStrategy(settings, this, mapCache);
        }
        if (accessType == AccessType.NONSTRICT_READ_WRITE) {
            return new NonStrictReadWriteNaturalIdRegionAccessStrategy(settings, this);
        }
        if (accessType == AccessType.TRANSACTIONAL) {
            return new TransactionalNaturalIdRegionAccessStrategy(settings, this);
        }
        
        throw new CacheException("Unsupported access strategy: " + accessType);
    }

}