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/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* License: GNU Lesser General Public License (LGPL), version 2.1 or later.
* See the lgpl.txt file in the root directory or .
*/
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 );
}
}