/******************************************************************************* * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you 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.apache.olingo.odata2.api.uri.expression; import java.util.List; /** * Represents a $orderby expression * Used to define the <b>root</b> expression node in an $filter expression tree. * * */ public interface OrderByExpression extends CommonExpression { /** * @return Returns the $filter expression string used to build the expression tree */ String getExpressionString(); /** * @return * Returns a ordered list of order expressions contained in the $orderby expression string * <p> * <b>For example</b>: The orderby expression build from "$orderby=name asc, age desc" * would contain to order expression. */ public List<OrderExpression> getOrders(); /** * @return Returns the count of order expressions contained in the $orderby expression string */ public int getOrdersCount(); }