| /******************************************************************************* |
| * 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.finder; |
| |
| import java.util.Map; |
| |
| import org.ofbiz.base.util.UtilXml; |
| import org.ofbiz.entity.condition.EntityCondition; |
| import org.ofbiz.entity.finder.EntityFinderUtil.Condition; |
| import org.ofbiz.entity.finder.EntityFinderUtil.ConditionExpr; |
| import org.ofbiz.entity.finder.EntityFinderUtil.ConditionList; |
| import org.ofbiz.entity.finder.EntityFinderUtil.ConditionObject; |
| import org.ofbiz.entity.model.ModelEntity; |
| import org.ofbiz.entity.model.ModelFieldTypeReader; |
| import org.w3c.dom.Element; |
| |
| /** |
| * Uses the delegator to find entity values by a condition |
| * |
| */ |
| @SuppressWarnings("serial") |
| public class ByConditionFinder extends ListFinder { |
| public static final String module = ByConditionFinder.class.getName(); |
| |
| protected Condition whereCondition; |
| protected Condition havingCondition; |
| |
| public ByConditionFinder(Element element) { |
| super(element, "condition"); |
| |
| // NOTE: the whereCondition can be null, ie (condition-expr | condition-list) is optional; if left out, means find all, or with no condition in essense |
| // process condition-expr | condition-list |
| Element conditionExprElement = UtilXml.firstChildElement(element, "condition-expr"); |
| Element conditionListElement = UtilXml.firstChildElement(element, "condition-list"); |
| Element conditionObjectElement = UtilXml.firstChildElement(element, "condition-object"); |
| if (conditionExprElement != null) { |
| this.whereCondition = new ConditionExpr(conditionExprElement); |
| } else if (conditionListElement != null) { |
| this.whereCondition = new ConditionList(conditionListElement); |
| } else if (conditionObjectElement != null) { |
| this.whereCondition = new ConditionObject(conditionObjectElement); |
| } |
| |
| Element havingConditionListElement = UtilXml.firstChildElement(element, "having-condition-list"); |
| if (havingConditionListElement != null) { |
| this.havingCondition = new ConditionList(havingConditionListElement); |
| } |
| } |
| |
| @Override |
| public EntityCondition getWhereEntityCondition(Map<String, Object> context, ModelEntity modelEntity, ModelFieldTypeReader modelFieldTypeReader) { |
| // create whereEntityCondition from whereCondition |
| if (this.whereCondition != null) { |
| return this.whereCondition.createCondition(context, modelEntity, modelFieldTypeReader); |
| } |
| return null; |
| } |
| |
| @Override |
| public EntityCondition getHavingEntityCondition(Map<String, Object> context, ModelEntity modelEntity, ModelFieldTypeReader modelFieldTypeReader) { |
| // create havingEntityCondition from havingCondition |
| if (this.havingCondition != null) { |
| return this.havingCondition.createCondition(context, modelEntity, modelFieldTypeReader); |
| } |
| return null; |
| } |
| } |