| /* |
| * 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.openjpa.jdbc.kernel; |
| |
| import java.sql.Connection; |
| import java.sql.SQLException; |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| |
| import javax.persistence.EntityManager; |
| import javax.sql.DataSource; |
| |
| import org.apache.openjpa.jdbc.conf.JDBCConfiguration; |
| import org.apache.openjpa.jdbc.schema.ForeignKey; |
| import org.apache.openjpa.jdbc.schema.Table; |
| import org.apache.openjpa.persistence.test.SingleEMFTestCase; |
| |
| /** |
| * Test that makes sure the number of foreign keys are same on a table after |
| * calling loadNameFromDB method of ForeignKey class. |
| * |
| */ |
| public class TestForeignKeyCountViolation extends SingleEMFTestCase { |
| |
| private JDBCConfiguration _conf; |
| |
| @Override |
| public void setUp() { |
| super.setUp(EntityF.class, EntityG.class); |
| Map props = new HashMap(System.getProperties()); |
| _conf = (JDBCConfiguration) emf.getConfiguration(); |
| } |
| |
| public void testFKCount() throws SQLException { |
| EntityManager em = emf.createEntityManager(); |
| Table tableG = getMapping(EntityG.class).getTable(); |
| tableG.addForeignKey(); |
| int b4Count = tableG.getForeignKeys().length; |
| |
| EntityF f = new EntityF(); |
| f.setId(1); |
| |
| List<EntityG> listG = new ArrayList<>(); |
| EntityG g1 = new EntityG(); |
| g1.setId(1); |
| listG.add(g1); |
| g1.setEntityF(f); |
| |
| EntityG g2 = new EntityG(); |
| g2.setId(2); |
| listG.add(g2); |
| g2.setEntityF(f); |
| |
| EntityG g3 = new EntityG(); |
| g3.setId(3); |
| listG.add(g3); |
| g3.setEntityF(f); |
| |
| EntityG g4 = new EntityG(); |
| g4.setId(4); |
| listG.add(g4); |
| g4.setEntityF(f); |
| |
| f.setListG(listG); |
| em.getTransaction().begin(); |
| em.persist(f); |
| em.persist(g1); |
| em.persist(g2); |
| em.persist(g3); |
| em.persist(g4); |
| em.getTransaction().commit(); |
| |
| ForeignKey fks[] = tableG.getForeignKeys(); |
| |
| DataSource ds = (DataSource) _conf.getConnectionFactory(); |
| Connection c = ds.getConnection(_conf.getConnectionUserName(), |
| _conf.getConnectionPassword()); |
| |
| for (ForeignKey fk : fks) { |
| fk.loadNameFromDB( |
| _conf.getDBDictionaryInstance(), c); |
| } |
| |
| assertEquals(b4Count, tableG.getForeignKeys().length); |
| em.close(); |
| } |
| |
| public void testFKNamefromDB()throws SQLException { |
| |
| EntityManager em = emf.createEntityManager(); |
| Table tableG = getMapping(EntityG.class).getTable(); |
| tableG.addForeignKey(); |
| |
| EntityF f = new EntityF(); |
| f.setId(1); |
| |
| List<EntityG> listG = new ArrayList<>(); |
| EntityG g1 = new EntityG(); |
| g1.setId(1); |
| listG.add(g1); |
| g1.setEntityF(f); |
| |
| EntityG g2 = new EntityG(); |
| g2.setId(2); |
| listG.add(g2); |
| g2.setEntityF(f); |
| |
| EntityG g3 = new EntityG(); |
| g3.setId(3); |
| listG.add(g3); |
| g3.setEntityF(f); |
| |
| EntityG g4 = new EntityG(); |
| g4.setId(4); |
| listG.add(g4); |
| g4.setEntityF(f); |
| |
| f.setListG(listG); |
| em.getTransaction().begin(); |
| em.persist(f); |
| em.persist(g1); |
| em.persist(g2); |
| em.persist(g3); |
| em.persist(g4); |
| em.getTransaction().commit(); |
| |
| DataSource ds = (DataSource) _conf.getConnectionFactory(); |
| Connection c = ds.getConnection(_conf.getConnectionUserName(), |
| _conf.getConnectionPassword()); |
| |
| ForeignKey fkfromDB[] = _conf.getDBDictionaryInstance().getImportedKeys( |
| c.getMetaData(), c.getCatalog() , tableG.getSchemaName() |
| , tableG.getName(), c); |
| |
| |
| ArrayList<String> fkListfromDB = new ArrayList<>(); |
| ArrayList<String> fkListfromTable = new ArrayList<>(); |
| |
| for (ForeignKey foreignKey : fkfromDB) { |
| fkListfromDB.add(foreignKey.getName()); |
| } |
| |
| ForeignKey fks[] = tableG.getForeignKeys(); |
| for (ForeignKey fk : fks) { |
| String fkNamefromDB = fk.loadNameFromDB( |
| _conf.getDBDictionaryInstance(), c); |
| if (fkNamefromDB != null) |
| fkListfromTable.add(fkNamefromDB); |
| } |
| |
| assertEquals(fkListfromDB.toArray().length, |
| fkListfromTable.toArray().length); |
| |
| Collections.sort(fkListfromTable); |
| Collections.sort(fkListfromDB); |
| |
| for(int i=0; i< fkListfromDB.size(); i++) |
| { |
| assertEquals(fkListfromDB.get(i),fkListfromTable.get(i)); |
| } |
| |
| em.close(); |
| } |
| |
| } |