com.hazelcast.hibernate.region.HazelcastCollectionRegion 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.hibernate.region;
import com.hazelcast.core.HazelcastInstance;
import com.hazelcast.hibernate.RegionCache;
import com.hazelcast.hibernate.access.NonStrictReadWriteAccessDelegate;
import com.hazelcast.hibernate.access.ReadOnlyAccessDelegate;
import com.hazelcast.hibernate.access.ReadWriteAccessDelegate;
import org.hibernate.cache.CacheDataDescription;
import org.hibernate.cache.CacheException;
import org.hibernate.cache.CollectionRegion;
import org.hibernate.cache.access.AccessType;
import org.hibernate.cache.access.CollectionRegionAccessStrategy;
import java.util.Properties;
/**
* An collection region implementation based upon Hazelcast IMap with basic concurrency / transactional support
* by supplying CollectionRegionAccessStrategy
*
* @author mdogan 11/9/12
* @param implementation type of RegionCache
*/
public final class HazelcastCollectionRegion extends AbstractTransactionalDataRegion
implements CollectionRegion {
public HazelcastCollectionRegion(final HazelcastInstance instance,
final String regionName, final Properties props,
final CacheDataDescription metadata, final Cache cache) {
super(instance, regionName, props, metadata, cache);
}
@Override
public CollectionRegionAccessStrategy buildAccessStrategy(final AccessType accessType) throws CacheException {
if (AccessType.READ_ONLY.equals(accessType)) {
return new CollectionRegionAccessStrategyAdapter(
new ReadOnlyAccessDelegate(this, props));
}
if (AccessType.NONSTRICT_READ_WRITE.equals(accessType)) {
return new CollectionRegionAccessStrategyAdapter(
new NonStrictReadWriteAccessDelegate(this, props));
}
if (AccessType.READ_WRITE.equals(accessType)) {
return new CollectionRegionAccessStrategyAdapter(
new ReadWriteAccessDelegate(this, props));
}
throw new CacheException("AccessType \"" + accessType + "\" is not currently supported by Hazelcast.");
}
}