| /******************************************************************************* |
| * 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.ofbiz.entity.condition; |
| |
| import java.util.ArrayList; |
| import java.util.Collection; |
| import java.util.Comparator; |
| import java.util.List; |
| |
| import org.ofbiz.entity.GenericEntity; |
| import org.ofbiz.entity.GenericModelException; |
| import org.ofbiz.entity.config.model.Datasource; |
| import org.ofbiz.entity.model.ModelEntity; |
| |
| public class OrderByList implements Comparator<GenericEntity> { |
| protected List<OrderByItem> orderByList = new ArrayList<OrderByItem>(); |
| |
| public OrderByList() { |
| } |
| |
| public OrderByList(String... orderByList) { |
| addOrderBy(orderByList); |
| } |
| |
| public OrderByList(Collection<String> orderByList) { |
| addOrderBy(orderByList); |
| } |
| |
| public void addOrderBy(String... orderByList) { |
| for (String orderByItem: orderByList) { |
| addOrderBy(orderByItem); |
| } |
| } |
| |
| public void addOrderBy(Collection<String> orderByList) { |
| for (String orderByItem: orderByList) { |
| addOrderBy(orderByItem); |
| } |
| } |
| |
| public void addOrderBy(String text) { |
| addOrderBy(OrderByItem.parse(text)); |
| } |
| |
| public void addOrderBy(EntityConditionValue value) { |
| addOrderBy(value, false); |
| } |
| |
| public void addOrderBy(EntityConditionValue value, boolean descending) { |
| addOrderBy(new OrderByItem(value, descending)); |
| } |
| |
| public void addOrderBy(OrderByItem orderByItem) { |
| orderByList.add(orderByItem); |
| } |
| |
| public void checkOrderBy(ModelEntity modelEntity) throws GenericModelException { |
| for (OrderByItem orderByItem: orderByList) { |
| orderByItem.checkOrderBy(modelEntity); |
| } |
| } |
| |
| public String makeOrderByString(ModelEntity modelEntity, boolean includeTablenamePrefix, Datasource datasourceInfo) { |
| StringBuilder sb = new StringBuilder(); |
| makeOrderByString(sb, modelEntity, includeTablenamePrefix, datasourceInfo); |
| return sb.toString(); |
| } |
| |
| public void makeOrderByString(StringBuilder sb, ModelEntity modelEntity, boolean includeTablenamePrefix, Datasource datasourceInfo) { |
| if (!orderByList.isEmpty()) { |
| sb.append(" ORDER BY "); |
| } |
| for (int i = 0; i < orderByList.size(); i++) { |
| if (i != 0) sb.append(", "); |
| OrderByItem orderByItem = orderByList.get(i); |
| orderByItem.makeOrderByString(sb, modelEntity, includeTablenamePrefix, datasourceInfo); |
| } |
| } |
| |
| public int compare(GenericEntity entity1, GenericEntity entity2) { |
| int result = 0; |
| for (OrderByItem orderByItem: orderByList) { |
| result = orderByItem.compare(entity1, entity2); |
| if (result != 0) break; |
| } |
| return result; |
| } |
| |
| @Override |
| public boolean equals(java.lang.Object obj) { |
| if (!(obj instanceof OrderByList)) return false; |
| OrderByList that = (OrderByList) obj; |
| return orderByList.equals(that.orderByList); |
| } |
| |
| @Override |
| public String toString() { |
| return makeOrderByString(null, false, null); |
| } |
| } |