| /* |
| * 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.util.Arrays; |
| import java.util.Collection; |
| import java.util.Iterator; |
| import java.util.Properties; |
| import java.util.Map; |
| |
| import org.apache.commons.lang.StringUtils; |
| import org.apache.openjpa.jdbc.conf.JDBCConfiguration; |
| import org.apache.openjpa.jdbc.conf.JDBCConfigurationImpl; |
| import org.apache.openjpa.jdbc.meta.MappingRepository; |
| import org.apache.openjpa.jdbc.meta.MappingTool; |
| import org.apache.openjpa.kernel.AbstractBrokerFactory; |
| import org.apache.openjpa.kernel.Bootstrap; |
| import org.apache.openjpa.kernel.BrokerImpl; |
| import org.apache.openjpa.kernel.StoreManager; |
| import org.apache.openjpa.lib.conf.ConfigurationProvider; |
| import org.apache.openjpa.lib.conf.Configurations; |
| import org.apache.openjpa.lib.util.Localizer; |
| import org.apache.openjpa.util.UserException; |
| |
| /** |
| * BrokerFactory type for use with the JDBC runtime. |
| * |
| * @author Abe White |
| * @author Marc Prud'hommeaux |
| */ |
| public class JDBCBrokerFactory |
| extends AbstractBrokerFactory { |
| |
| private static final Localizer _loc = Localizer.forPackage |
| (JDBCBrokerFactory.class); |
| |
| private boolean _synchronizedMappings = false; |
| |
| /** |
| * Factory method for constructing a factory from properties. Invoked from |
| * {@link Bootstrap#newBrokerFactory}. |
| */ |
| public static JDBCBrokerFactory newInstance(ConfigurationProvider cp) { |
| JDBCConfigurationImpl conf = new JDBCConfigurationImpl(); |
| cp.setInto(conf); |
| return new JDBCBrokerFactory(conf); |
| } |
| |
| /** |
| * Factory method for obtaining a possibly-pooled factory from properties. |
| * Invoked from {@link Bootstrap#getBrokerFactory}. |
| */ |
| public static JDBCBrokerFactory getInstance(ConfigurationProvider cp) { |
| Map props = cp.getProperties(); |
| Object key = toPoolKey(props); |
| JDBCBrokerFactory factory = (JDBCBrokerFactory) |
| getPooledFactoryForKey(key); |
| if (factory != null) |
| return factory; |
| |
| factory = newInstance(cp); |
| pool(key, factory); |
| return factory; |
| } |
| |
| /** |
| * Construct the factory with the given option settings; however, the |
| * factory construction methods are recommended. |
| */ |
| public JDBCBrokerFactory(JDBCConfiguration conf) { |
| super(conf); |
| } |
| |
| public Properties getProperties() { |
| // add platform property |
| Properties props = super.getProperties(); |
| String db = "Unknown"; |
| try { |
| JDBCConfiguration conf = (JDBCConfiguration) getConfiguration(); |
| db = conf.getDBDictionaryInstance().platform; |
| } catch (RuntimeException re) { |
| } |
| props.setProperty("Platform", |
| "OpenJPA JDBC Edition: " + db + " Database"); |
| |
| return props; |
| } |
| |
| protected StoreManager newStoreManager() { |
| return new JDBCStoreManager(); |
| } |
| |
| protected BrokerImpl newBrokerImpl(String user, String pass) { |
| BrokerImpl broker = super.newBrokerImpl(user, pass); |
| |
| lock(); |
| try { |
| // synchronize mappings; we wait until now to do this so that |
| // we can use the first broker user/pass for connection if no |
| // global login is given |
| if (!_synchronizedMappings) { |
| _synchronizedMappings = true; |
| synchronizeMappings(broker.getClassLoader()); |
| } |
| |
| return broker; |
| } finally { |
| unlock(); |
| } |
| } |
| |
| /** |
| * Synchronize the mappings of the classes listed in the configuration. |
| */ |
| protected void synchronizeMappings(ClassLoader loader) { |
| JDBCConfiguration conf = (JDBCConfiguration) getConfiguration(); |
| String action = conf.getSynchronizeMappings(); |
| if (StringUtils.isEmpty(action)) |
| return; |
| |
| MappingRepository repo = conf.getMappingRepositoryInstance(); |
| Collection classes = repo.loadPersistentTypes(false, loader); |
| if (classes.isEmpty()) |
| return; |
| |
| String props = Configurations.getProperties(action); |
| action = Configurations.getClassName(action); |
| MappingTool tool = new MappingTool(conf, action, false); |
| Configurations.configureInstance(tool, conf, props, |
| "SynchronizeMappings"); |
| |
| // initialize the schema |
| Class cls; |
| for (Iterator itr = classes.iterator(); itr.hasNext();) { |
| cls = (Class) itr.next(); |
| try { |
| tool.run(cls); |
| } catch (IllegalArgumentException iae) { |
| throw new UserException(_loc.get("bad-synch-mappings", |
| action, Arrays.asList(MappingTool.ACTIONS))); |
| } |
| } |
| tool.record(); |
| } |
| } |