/* * 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 <http://www.gnu.org/licenses/lgpl-2.1.html>. */ package org.hibernate.envers.query.criteria; import java.util.ArrayList; import java.util.List; import java.util.Map; import org.hibernate.envers.boot.internal.EnversService; import org.hibernate.envers.internal.reader.AuditReaderImplementor; import org.hibernate.envers.internal.tools.query.Parameters; import org.hibernate.envers.internal.tools.query.QueryBuilder; /** * @author Adam Warski (adam at warski dot org) */ public class AuditDisjunction implements AuditCriterion, ExtendableCriterion { private List<AuditCriterion> criterions; public AuditDisjunction() { criterions = new ArrayList<>(); } @Override public AuditDisjunction add(AuditCriterion criterion) { criterions.add( criterion ); return this; } @Override public void addToQuery( EnversService enversService, AuditReaderImplementor versionsReader, Map<String, String> aliasToEntityNameMap, String alias, QueryBuilder qb, Parameters parameters) { Parameters orParameters = parameters.addSubParameters( Parameters.OR ); if ( criterions.size() == 0 ) { orParameters.addWhere( "0", false, "=", "1", false ); } else { for ( AuditCriterion criterion : criterions ) { criterion.addToQuery( enversService, versionsReader, aliasToEntityNameMap, alias, qb, orParameters ); } } } }