/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* Copyright (c) 2013, Red Hat Inc. or third-party contributors as
* indicated by the @author tags or express copyright attribution
* statements applied by the authors. All third-party contributions are
* distributed under license by Red Hat Inc.
*
* This copyrighted material is made available to anyone wishing to use, modify,
* copy, or redistribute it subject to the terms and conditions of the GNU
* Lesser General Public License, as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
* for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this distribution; if not, write to:
* Free Software Foundation, Inc.
* 51 Franklin Street, Fifth Floor
* Boston, MA 02110-1301 USA
*/
package org.hibernate.loader.plan.exec.internal;
import org.hibernate.engine.spi.SessionFactoryImplementor;
import org.hibernate.internal.util.StringHelper;
import org.hibernate.loader.plan.exec.query.internal.SelectStatementBuilder;
import org.hibernate.loader.plan.exec.query.spi.QueryBuildingParameters;
import org.hibernate.loader.plan.spi.CollectionReturn;
import org.hibernate.loader.plan.spi.LoadPlan;
import org.hibernate.persister.entity.OuterJoinLoadable;
/**
* @author Gail Badner
*/
public class BasicCollectionLoadQueryDetails extends AbstractCollectionLoadQueryDetails {
/**
* Constructs a BasicCollectionLoadQueryDetails object from the given inputs.
*
* @param loadPlan The load plan
* @param buildingParameters And influencers that would affect the generated SQL (mostly we are concerned with those
* that add additional joins here)
* @param factory The SessionFactory
*/
BasicCollectionLoadQueryDetails(
LoadPlan loadPlan,
AliasResolutionContextImpl aliasResolutionContext,
CollectionReturn rootReturn,
QueryBuildingParameters buildingParameters,
SessionFactoryImplementor factory) {
super(
loadPlan,
aliasResolutionContext,
rootReturn,
buildingParameters,
factory
);
generate();
}
@Override
protected String getRootTableAlias() {
return getCollectionReferenceAliases().getCollectionTableAlias();
}
@Override
protected void applyRootReturnSelectFragments(SelectStatementBuilder selectStatementBuilder) {
selectStatementBuilder.appendSelectClauseFragment(
getQueryableCollection().selectFragment(
getCollectionReferenceAliases().getCollectionTableAlias(),
getCollectionReferenceAliases().getCollectionColumnAliases().getSuffix()
)
);
if ( getQueryableCollection().isManyToMany() ) {
final OuterJoinLoadable elementPersister = (OuterJoinLoadable) getQueryableCollection().getElementPersister();
selectStatementBuilder.appendSelectClauseFragment(
elementPersister.selectFragment(
getCollectionReferenceAliases().getElementTableAlias(),
getCollectionReferenceAliases().getEntityElementAliases().getColumnAliases().getSuffix()
)
);
}
super.applyRootReturnSelectFragments( selectStatementBuilder );
}
@Override
protected void applyRootReturnTableFragments(SelectStatementBuilder selectStatementBuilder) {
selectStatementBuilder.appendFromClauseFragment(
getQueryableCollection().getTableName(),
getCollectionReferenceAliases().getCollectionTableAlias()
);
}
@Override
protected void applyRootReturnOrderByFragments(SelectStatementBuilder selectStatementBuilder) {
final String manyToManyOrdering = getQueryableCollection().getManyToManyOrderByString(
getCollectionReferenceAliases().getElementTableAlias()
);
if ( StringHelper.isNotEmpty( manyToManyOrdering ) ) {
selectStatementBuilder.appendOrderByFragment( manyToManyOrdering );
}
super.applyRootReturnOrderByFragments( selectStatementBuilder );
}
}