| Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
| QueryByMtoNCriteria |
|
| 1.0;1 |
| 1 | package org.apache.ojb.broker.query; | |
| 2 | ||
| 3 | /* Copyright 2002-2005 The Apache Software Foundation | |
| 4 | * | |
| 5 | * Licensed under the Apache License, Version 2.0 (the "License"); | |
| 6 | * you may not use this file except in compliance with the License. | |
| 7 | * You may obtain a copy of the License at | |
| 8 | * | |
| 9 | * http://www.apache.org/licenses/LICENSE-2.0 | |
| 10 | * | |
| 11 | * Unless required by applicable law or agreed to in writing, software | |
| 12 | * distributed under the License is distributed on an "AS IS" BASIS, | |
| 13 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
| 14 | * See the License for the specific language governing permissions and | |
| 15 | * limitations under the License. | |
| 16 | */ | |
| 17 | ||
| 18 | ||
| 19 | /** | |
| 20 | * represents a search by criteria. | |
| 21 | * "find all articles where article.price > 100" | |
| 22 | * could be represented as: | |
| 23 | * | |
| 24 | * Criteria crit = new Criteria(); | |
| 25 | * crit.addGreaterThan("price", new Double(100)); | |
| 26 | * Query qry = new QueryByCriteria(Article.class, crit); | |
| 27 | * | |
| 28 | * The PersistenceBroker can retrieve Objects by Queries as follows: | |
| 29 | * | |
| 30 | * PersistenceBroker broker = PersistenceBrokerFactory.createPersistenceBroker(); | |
| 31 | * Collection col = broker.getCollectionByQuery(qry); | |
| 32 | * | |
| 33 | * @author <a href="mailto:thma@apache.org">Thomas Mahler<a> | |
| 34 | * @version $Id: QueryByMtoNCriteria.java,v 1.1 2007-08-24 22:17:36 ewestfal Exp $ | |
| 35 | */ | |
| 36 | ||
| 37 | public class QueryByMtoNCriteria extends QueryByCriteria implements MtoNQuery | |
| 38 | { | |
| 39 | private String indirectionTable; | |
| 40 | ||
| 41 | /** | |
| 42 | * return indirectionTable | |
| 43 | */ | |
| 44 | public String getIndirectionTable() | |
| 45 | { | |
| 46 | return indirectionTable; | |
| 47 | } | |
| 48 | ||
| 49 | /** | |
| 50 | * Build a Query for class targetClass with criteria. | |
| 51 | * Criteriy may be null (will result in a query returning ALL objects from a table) | |
| 52 | */ | |
| 53 | public QueryByMtoNCriteria(Class targetClass, String indirectionTable, Criteria criteria) | |
| 54 | { | |
| 55 | this(targetClass, indirectionTable, criteria, false); | |
| 56 | } | |
| 57 | ||
| 58 | /** | |
| 59 | * Build a Query for class targetClass with criteria. | |
| 60 | * Criteriy may be null (will result in a query returning ALL objects from a table) | |
| 61 | */ | |
| 62 | public QueryByMtoNCriteria(Class targetClass, String indirectionTable, Criteria criteria, boolean distinct) | |
| 63 | { | |
| 64 | super(targetClass , criteria, distinct); | |
| 65 | this.indirectionTable = indirectionTable; | |
| 66 | } | |
| 67 | ||
| 68 | /** | |
| 69 | * Insert the method's description here. | |
| 70 | * Creation date: (07.02.2001 22:01:55) | |
| 71 | * @return java.lang.String | |
| 72 | */ | |
| 73 | public String toString() | |
| 74 | { | |
| 75 | return "Query from " + indirectionTable + " where " + getCriteria(); | |
| 76 | } | |
| 77 | ||
| 78 | } |