| /******************************************************************************* |
| * 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.core.uri.expression; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import org.apache.olingo.odata2.api.edm.EdmType; |
| import org.apache.olingo.odata2.api.exception.ODataApplicationException; |
| import org.apache.olingo.odata2.api.uri.expression.CommonExpression; |
| import org.apache.olingo.odata2.api.uri.expression.ExceptionVisitExpression; |
| import org.apache.olingo.odata2.api.uri.expression.ExpressionKind; |
| import org.apache.olingo.odata2.api.uri.expression.ExpressionVisitor; |
| import org.apache.olingo.odata2.api.uri.expression.OrderByExpression; |
| import org.apache.olingo.odata2.api.uri.expression.OrderExpression; |
| |
| /** |
| * |
| */ |
| public class OrderByExpressionImpl implements OrderByExpression { |
| private String orderbyString; |
| |
| List<OrderExpression> orders; |
| |
| public OrderByExpressionImpl(final String orderbyString) { |
| this.orderbyString = orderbyString; |
| orders = new ArrayList<OrderExpression>(); |
| } |
| |
| @Override |
| public String getExpressionString() { |
| return orderbyString; |
| } |
| |
| @Override |
| public List<OrderExpression> getOrders() { |
| return orders; |
| } |
| |
| @Override |
| public int getOrdersCount() { |
| return orders.size(); |
| } |
| |
| public void addOrder(final OrderExpression orderNode) { |
| orders.add(orderNode); |
| } |
| |
| @Override |
| public ExpressionKind getKind() { |
| return ExpressionKind.ORDERBY; |
| } |
| |
| @Override |
| public EdmType getEdmType() { |
| return null; |
| } |
| |
| @Override |
| public CommonExpression setEdmType(final EdmType edmType) { |
| return this; |
| } |
| |
| @Override |
| public String getUriLiteral() { |
| return orderbyString; |
| } |
| |
| @Override |
| public Object accept(final ExpressionVisitor visitor) throws ExceptionVisitExpression, ODataApplicationException { |
| ArrayList<Object> retParameters = new ArrayList<Object>(); |
| for (OrderExpression order : orders) { |
| Object retParameter = order.accept(visitor); |
| retParameters.add(retParameter); |
| } |
| |
| Object ret = visitor.visitOrderByExpression(this, orderbyString, retParameters); |
| return ret; |
| } |
| |
| } |