| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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.apache.ignite.cache.hibernate; |
| |
| import org.apache.ignite.Ignite; |
| import org.hibernate.cache.CacheException; |
| import org.hibernate.cache.internal.DefaultCacheKeysFactory; |
| import org.hibernate.cache.spi.CacheDataDescription; |
| import org.hibernate.cache.spi.NaturalIdRegion; |
| import org.hibernate.cache.spi.access.AccessType; |
| import org.hibernate.cache.spi.access.NaturalIdRegionAccessStrategy; |
| import org.hibernate.cache.spi.access.SoftLock; |
| import org.hibernate.engine.spi.SessionImplementor; |
| import org.hibernate.persister.entity.EntityPersister; |
| |
| /** |
| * Implementation of {@link NaturalIdRegion}. This region is used to store naturalId data. |
| * <p> |
| * L2 cache for entity naturalId and target cache region can be set using annotations: |
| * <pre name="code" class="java"> |
| * @javax.persistence.Entity |
| * @javax.persistence.Cacheable |
| * @org.hibernate.annotations.Cache(usage = CacheConcurrencyStrategy.NONSTRICT_READ_WRITE) |
| * @org.hibernate.annotations.NaturalIdCache |
| * public class Entity { |
| * @org.hibernate.annotations.NaturalId |
| * private String entityCode; |
| * |
| * ... |
| * } |
| * </pre> |
| */ |
| public class HibernateNaturalIdRegion extends HibernateTransactionalDataRegion implements NaturalIdRegion { |
| /** |
| * @param factory Region factory. |
| * @param name Region name. |
| * @param ignite Grid. |
| * @param cache Region cache, |
| * @param dataDesc Region data description. |
| */ |
| public HibernateNaturalIdRegion(HibernateRegionFactory factory, String name, |
| Ignite ignite, HibernateCacheProxy cache, CacheDataDescription dataDesc) { |
| super(factory, name, ignite, cache, dataDesc); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public NaturalIdRegionAccessStrategy buildAccessStrategy(AccessType accessType) throws CacheException { |
| return new AccessStrategy(createAccessStrategy(accessType)); |
| } |
| |
| /** |
| * NaturalId region access strategy. |
| */ |
| private class AccessStrategy extends HibernateAbstractRegionAccessStrategy implements |
| NaturalIdRegionAccessStrategy { |
| /** |
| * @param stgy Access strategy implementation. |
| */ |
| private AccessStrategy(HibernateAccessStrategyAdapter stgy) { |
| super(stgy); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public Object generateCacheKey(Object[] naturalIdValues, EntityPersister persister, SessionImplementor ses) { |
| return DefaultCacheKeysFactory.staticCreateNaturalIdKey(naturalIdValues, persister, ses); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public Object[] getNaturalIdValues(Object cacheKey) { |
| return DefaultCacheKeysFactory.staticGetNaturalIdValues(cacheKey); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public NaturalIdRegion getRegion() { |
| return HibernateNaturalIdRegion.this; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean insert(SessionImplementor ses, Object key, Object val) throws CacheException { |
| return stgy.insert(key, val); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean afterInsert(SessionImplementor ses, Object key, Object val) throws CacheException { |
| return stgy.afterInsert(key, val); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean update(SessionImplementor ses, Object key, Object val) throws CacheException { |
| return stgy.update(key, val); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean afterUpdate(SessionImplementor ses, Object key, Object val, SoftLock lock) throws CacheException { |
| return stgy.afterUpdate(key, val); |
| } |
| } |
| } |