/*
* Hibernate OGM, Domain model persistence for NoSQL datastores
*
* License: GNU Lesser General Public License (LGPL), version 2.1 or later
* See the lgpl.txt file in the root directory or <http://www.gnu.org/licenses/lgpl-2.1.html>.
*/
package org.hibernate.ogm.datastore.neo4j.query.parsing.impl;
import java.util.Arrays;
import java.util.Iterator;
import java.util.Map;
import org.hibernate.engine.spi.SessionFactoryImplementor;
import org.hibernate.hql.ast.spi.AstProcessingChain;
import org.hibernate.hql.ast.spi.AstProcessor;
import org.hibernate.hql.ast.spi.EntityNamesResolver;
import org.hibernate.hql.ast.spi.QueryRendererProcessor;
import org.hibernate.hql.ast.spi.QueryResolverProcessor;
/**
* @author Davide D'Alto <davide@hibernate.org>
*/
public class Neo4jProcessingChain implements AstProcessingChain<Neo4jQueryParsingResult> {
private final QueryResolverProcessor resolverProcessor;
private final QueryRendererProcessor rendererProcessor;
private final Neo4jQueryRendererDelegate rendererDelegate;
public Neo4jProcessingChain(SessionFactoryImplementor sessionFactory, EntityNamesResolver entityNamesResolver, Map<String, Object> namedParameters) {
Neo4jQueryResolverDelegate resolverDelegate = new Neo4jQueryResolverDelegate();
Neo4jPropertyHelper propertyHelper = new Neo4jPropertyHelper( sessionFactory, entityNamesResolver );
this.rendererDelegate = new Neo4jQueryRendererDelegate( sessionFactory, resolverDelegate, entityNamesResolver, propertyHelper, namedParameters );
this.rendererProcessor = new QueryRendererProcessor( rendererDelegate );
this.resolverProcessor = new QueryResolverProcessor( resolverDelegate );
}
@Override
public Iterator<AstProcessor> iterator() {
return Arrays.asList( resolverProcessor, rendererProcessor ).iterator();
}
@Override
public org.hibernate.ogm.datastore.neo4j.query.parsing.impl.Neo4jQueryParsingResult getResult() {
return rendererDelegate.getResult();
}
}