org.sql.generation.api.grammar.query.SortSpecification Maven / Gradle / Ivy
/*
* Copyright (c) 2010, Stanislav Muhametsin. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.sql.generation.api.grammar.query;
import org.atp.api.Typeable;
import org.sql.generation.api.grammar.common.ValueExpression;
/**
* This syntax element represents the sort specification used in {@code ORDER BY} clause.
*
* @author Stanislav Muhametsin
*/
public interface SortSpecification
extends Typeable
{
/**
* Returns the {@link Ordering} of this sort specification.
*
* @return The {@link Ordering} of this sort specification.
*/
public Ordering getOrderingSpecification();
/**
* The value expression, which may be a column reference, for example.
*
* @return The value expression of this sort specification.
*/
public ValueExpression getValueExpression();
}