/*
 * Copyright Â© 2013-2014 The Hyve B.V.
 *
 * This file is part of transmart-core-db.
 *
 * Transmart-core-db is free software: you can redistribute it and/or modify it
 * under the terms of the GNU 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 General Public License for more
 * details.
 *
 * You should have received a copy of the GNU General Public License along with
 * transmart-core-db.  If not, see <http://www.gnu.org/licenses/>.
 */

package org.transmartproject.db.dataquery

import grails.gorm.DetachedCriteria
import org.transmartproject.core.dataquery.assay.Assay

abstract class AbstractEntityQuery<T> implements Iterable<T> {

    abstract DetachedCriteria<T> forEntities()

    DetachedCriteria<Long> forIds() {
        forEntities().where {
            projections { id() }
        }
    }

    List<T> list() {
        forEntities().list()
    }

    @Override
    Iterator<Assay> iterator() {
        list().iterator()
    }

}
