org.redisson.hibernate.strategy.ReadOnlyEntityRegionAccessStrategy Maven / Gradle / Ivy
/**
* Copyright (c) 2013-2024 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.strategy;
import org.hibernate.cache.CacheException;
import org.hibernate.cache.internal.DefaultCacheKeysFactory;
import org.hibernate.cache.spi.EntityRegion;
import org.hibernate.cache.spi.GeneralDataRegion;
import org.hibernate.cache.spi.access.EntityRegionAccessStrategy;
import org.hibernate.cache.spi.access.SoftLock;
import org.hibernate.cfg.Settings;
import org.hibernate.engine.spi.SessionFactoryImplementor;
import org.hibernate.engine.spi.SessionImplementor;
import org.hibernate.persister.entity.EntityPersister;
import org.redisson.hibernate.region.RedissonEntityRegion;
/**
*
* @author Nikita Koksharov
*
*/
public class ReadOnlyEntityRegionAccessStrategy extends BaseRegionAccessStrategy implements EntityRegionAccessStrategy {
public ReadOnlyEntityRegionAccessStrategy(Settings settings, GeneralDataRegion region) {
super(settings, region);
}
@Override
public Object get(SessionImplementor session, Object key, long txTimestamp) throws CacheException {
return region.get(session, key);
}
@Override
public boolean putFromLoad(SessionImplementor session, Object key, Object value, long txTimestamp, Object version, boolean minimalPutOverride)
throws CacheException {
if (minimalPutOverride && region.contains(key)) {
return false;
}
region.put(session, key, value);
return true;
}
@Override
public SoftLock lockItem(SessionImplementor session, Object key, Object version) throws CacheException {
return null;
}
@Override
public void unlockItem(SessionImplementor session, Object key, SoftLock lock) throws CacheException {
evict(key);
}
@Override
public EntityRegion getRegion() {
return (EntityRegion) region;
}
@Override
public boolean insert(SessionImplementor session, Object key, Object value, Object version) throws CacheException {
return false;
}
@Override
public boolean afterInsert(SessionImplementor session, Object key, Object value, Object version) throws CacheException {
region.put(session, key, value);
return true;
}
@Override
public boolean update(SessionImplementor session, Object key, Object value, Object currentVersion, Object previousVersion)
throws CacheException {
throw new UnsupportedOperationException("Unable to update read-only object");
}
@Override
public boolean afterUpdate(SessionImplementor session, Object key, Object value, Object currentVersion, Object previousVersion, SoftLock lock)
throws CacheException {
throw new UnsupportedOperationException("Unable to update read-only object");
}
@Override
public Object generateCacheKey(Object id, EntityPersister persister, SessionFactoryImplementor factory, String tenantIdentifier) {
return ((RedissonEntityRegion)region).getCacheKeysFactory().createEntityKey( id, persister, factory, tenantIdentifier );
}
@Override
public Object getCacheKeyId(Object cacheKey) {
return ((RedissonEntityRegion)region).getCacheKeysFactory().getEntityId(cacheKey);
}
}
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