/*
 * Copyright 2014 - 2017 Blazebit.
 *
 * 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.blazebit.persistence.impl.hibernate;

import org.hibernate.MappingException;
import org.hibernate.cache.CacheException;
import org.hibernate.cache.spi.access.CollectionRegionAccessStrategy;
import org.hibernate.engine.spi.SessionImplementor;
import org.hibernate.engine.spi.SubselectFetch;
import org.hibernate.loader.collection.CollectionInitializer;
import org.hibernate.mapping.Collection;
import org.hibernate.persister.collection.OneToManyPersister;
import org.hibernate.persister.spi.PersisterCreationContext;

/**
 *
 * @author Christian Beikov
 * @since 1.2.0
 */
public class CustomOneToManyPersister extends OneToManyPersister {

    public CustomOneToManyPersister(Collection collectionBinding, CollectionRegionAccessStrategy cacheAccessStrategy, PersisterCreationContext creationContext) throws MappingException, CacheException {
        super(collectionBinding, cacheAccessStrategy, creationContext);
    }

    @Override
    protected CollectionInitializer createSubselectInitializer(SubselectFetch subselect, SessionImplementor session) {
        return new CustomSubselectOneToManyLoader(
                this,
                subselect.toSubselectString( getCollectionType().getLHSPropertyName() ),
                subselect.getResult(),
                subselect.getQueryParameters(),
                subselect.getNamedParameterLocMap(),
                session.getFactory(),
                session.getLoadQueryInfluencers()
        );
    }
}