| /* |
| * Copyright 2002-2014 the original author or authors. |
| * |
| * Licensed 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.springframework.orm.jpa.vendor; |
| |
| import java.util.HashMap; |
| import java.util.Map; |
| import javax.persistence.EntityManager; |
| import javax.persistence.EntityManagerFactory; |
| import javax.persistence.spi.PersistenceProvider; |
| import org.apache.openjpa.persistence.OpenJPAEntityManagerFactorySPI; |
| import org.apache.openjpa.persistence.OpenJPAEntityManagerSPI; |
| import org.apache.openjpa.persistence.PersistenceProviderImpl; |
| |
| /** |
| * {@link org.springframework.orm.jpa.JpaVendorAdapter} implementation for Apache OpenJPA. |
| * Developed and tested against OpenJPA 3.0. |
| * |
| * Exposes OpenJPA's persistence provider and EntityManager extension interface, |
| * and adapts {@link AbstractJpaVendorAdapter}'s common configuration settings. |
| * No support for the detection of annotated packages (through |
| * {@link org.springframework.orm.jpa.persistenceunit.SmartPersistenceUnitInfo#getManagedPackages()}) |
| * since OpenJPA doesn't use package-level metadata. |
| * |
| * @author Juergen Hoeller |
| * @author Costin Leau |
| * @since 2.0 |
| * @see OpenJpaDialect |
| * @see org.apache.openjpa.persistence.PersistenceProviderImpl |
| * @see org.apache.openjpa.persistence.OpenJPAEntityManager |
| */ |
| public class OpenJpaVendorAdapter extends AbstractJpaVendorAdapter { |
| |
| private final PersistenceProvider persistenceProvider = new PersistenceProviderImpl(); |
| |
| private final OpenJpaDialect jpaDialect = new OpenJpaDialect(); |
| |
| @Override |
| public PersistenceProvider getPersistenceProvider() { |
| return this.persistenceProvider; |
| } |
| |
| @Override |
| public String getPersistenceProviderRootPackage() { |
| return "org.apache.openjpa"; |
| } |
| |
| @Override |
| public Map<String, Object> getJpaPropertyMap() { |
| Map<String, Object> jpaProperties = new HashMap<>(); |
| |
| if (getDatabasePlatform() != null) { |
| jpaProperties.put("openjpa.jdbc.DBDictionary", getDatabasePlatform()); |
| } else if (getDatabase() != null) { |
| String databaseDictonary = determineDatabaseDictionary(getDatabase()); |
| if (databaseDictonary != null) { |
| jpaProperties.put("openjpa.jdbc.DBDictionary", databaseDictonary); |
| } |
| } |
| |
| if (isGenerateDdl()) { |
| jpaProperties.put("openjpa.jdbc.SynchronizeMappings", "buildSchema(ForeignKeys=true)"); |
| } |
| if (isShowSql()) { |
| // Taken from the OpenJPA 0.9.6 docs ("Standard OpenJPA Log Configuration + All SQL Statements") |
| jpaProperties.put("openjpa.Log", "DefaultLevel=WARN, Runtime=INFO, Tool=INFO, SQL=TRACE"); |
| } |
| |
| return jpaProperties; |
| } |
| |
| /** |
| * Determine the OpenJPA database dictionary name for the given database. |
| * |
| * @param database the specified database |
| * @return the OpenJPA database dictionary name, or {@code null} if none found |
| */ |
| protected static String determineDatabaseDictionary(final Database database) { |
| switch (database) { |
| case DB2: |
| return "db2"; |
| case DERBY: |
| return "derby"; |
| case HSQL: |
| return "hsql(SimulateLocking=true)"; |
| case INFORMIX: |
| return "informix"; |
| case MYSQL: |
| return "mysql"; |
| case ORACLE: |
| return "oracle"; |
| case POSTGRESQL: |
| return "postgres"; |
| case SQL_SERVER: |
| return "sqlserver"; |
| case SYBASE: |
| return "sybase"; |
| default: |
| return null; |
| } |
| } |
| |
| @Override |
| public OpenJpaDialect getJpaDialect() { |
| return this.jpaDialect; |
| } |
| |
| @Override |
| public Class<? extends EntityManagerFactory> getEntityManagerFactoryInterface() { |
| return OpenJPAEntityManagerFactorySPI.class; |
| } |
| |
| @Override |
| public Class<? extends EntityManager> getEntityManagerInterface() { |
| return OpenJPAEntityManagerSPI.class; |
| } |
| } |