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/**
 * The MIT License (MIT)
 *
 * Copyright (c) 2011-2016 Incapture Technologies LLC
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */
package rapture.dsl.iqry;

import java.util.LinkedList;
import java.util.List;

/**
 * @author bardhi
 * @since 4/28/15.
 */
public class IndexQueryValidator {
    public void validate(IndexQuery indexQuery) throws InvalidQueryException {
        List selectFields = indexQuery.getSelect().getFieldList();
        List orderByFields = indexQuery.getOrderBy().getFieldList();
        List badFields = new LinkedList<>();
        if (orderByFields.size() > 0) {
            for (String orderByField : orderByFields) {
                if (!selectFields.contains(orderByField)) {
                    badFields.add(orderByField);
                }
            }
        }
        if (badFields.size() > 0) {
            throw new InvalidQueryException(badFields);
        }
    }
}