org.hibernate.envers.query.criteria.AuditDisjunction.java Source code

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Here is the source code for org.hibernate.envers.query.criteria.AuditDisjunction.java

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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 <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);
            }
        }
    }
}