com.jaspersoft.jasperserver.search.sorter.ByAccessTimeSorter.java Source code

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Here is the source code for com.jaspersoft.jasperserver.search.sorter.ByAccessTimeSorter.java

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/*
 * Copyright (C) 2005 - 2014 TIBCO Software Inc. All rights reserved.
 * http://www.jaspersoft.com.
 *
 * Unless you have purchased  a commercial license agreement from Jaspersoft,
 * the following license terms  apply:
 *
 * This program is free software: you can redistribute it and/or  modify
 * it under the terms of the GNU Affero General Public License  as
 * published by the Free Software Foundation, either version 3 of  the
 * License, or (at your option) any later version.
 *
 * 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 Affero  General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public  License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */

package com.jaspersoft.jasperserver.search.sorter;

import com.jaspersoft.jasperserver.api.common.domain.ExecutionContext;
import com.jaspersoft.jasperserver.api.search.SearchCriteria;
import com.jaspersoft.jasperserver.api.search.SearchSorter;
import org.hibernate.criterion.Order;
import org.hibernate.criterion.Projections;

/**
 */
public class ByAccessTimeSorter extends SearchSorter {
    @Override
    protected void addOrder(String type, ExecutionContext context, SearchCriteria criteria) {
        // works with Resource.class only, for ResourceItem - skip
    }

    @Override
    protected void addProjection(String type, ExecutionContext context, SearchCriteria criteria) {
        String alias = criteria.getAlias("accessEvents", "ae");
        criteria.addProjection(Projections.projectionList().add(Projections.max(alias + ".eventDate"), "aed")
                .add(Projections.groupProperty("accessEvents")));

        criteria.addOrder(Order.desc("aed"));
    }
}