| /* |
| * 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.slice.jdbc; |
| |
| import java.security.AccessController; |
| import java.util.Collection; |
| import java.util.List; |
| import java.util.Map; |
| |
| import org.apache.openjpa.conf.OpenJPAVersion; |
| import org.apache.openjpa.jdbc.conf.JDBCConfiguration; |
| import org.apache.openjpa.jdbc.kernel.JDBCBrokerFactory; |
| import org.apache.openjpa.kernel.Bootstrap; |
| import org.apache.openjpa.kernel.Broker; |
| import org.apache.openjpa.lib.conf.ConfigurationProvider; |
| import org.apache.openjpa.lib.util.J2DoPrivHelper; |
| import org.apache.openjpa.lib.util.Localizer; |
| import org.apache.openjpa.slice.DistributedBroker; |
| import org.apache.openjpa.slice.DistributedBrokerFactory; |
| import org.apache.openjpa.slice.DistributedBrokerImpl; |
| import org.apache.openjpa.slice.Slice; |
| |
| /** |
| * A factory for distributed JDBC datastores. |
| * |
| * @author Pinaki Poddar |
| * |
| */ |
| public class DistributedJDBCBrokerFactory extends JDBCBrokerFactory |
| implements DistributedBrokerFactory { |
| private static final long serialVersionUID = 1L; |
| private static final Localizer _loc = Localizer.forPackage(DistributedJDBCBrokerFactory.class); |
| |
| /** |
| * Factory method for constructing a factory from properties. Invoked from |
| * {@link Bootstrap#newBrokerFactory}. |
| */ |
| public static DistributedJDBCBrokerFactory newInstance(ConfigurationProvider cp) { |
| DistributedJDBCConfigurationImpl conf = new DistributedJDBCConfigurationImpl(); |
| cp.setInto(conf); |
| return new DistributedJDBCBrokerFactory(conf); |
| } |
| |
| /** |
| * Factory method for obtaining a possibly-pooled factory from properties. |
| * Invoked from {@link Bootstrap#getBrokerFactory}. |
| */ |
| public static JDBCBrokerFactory getInstance(ConfigurationProvider cp) { |
| Map<String,Object> properties = cp.getProperties(); |
| Object key = toPoolKey(properties); |
| DistributedJDBCBrokerFactory factory = (DistributedJDBCBrokerFactory) getPooledFactoryForKey(key); |
| if (factory != null) |
| return factory; |
| |
| factory = newInstance(cp); |
| pool(key, factory); |
| return factory; |
| } |
| |
| /** |
| * Factory method for constructing a factory from a configuration. |
| */ |
| public static synchronized JDBCBrokerFactory getInstance(DistributedJDBCConfiguration conf) { |
| Map<String,Object> properties = conf.toProperties(false); |
| Object key = toPoolKey(properties); |
| DistributedJDBCBrokerFactory factory = (DistributedJDBCBrokerFactory) getPooledFactoryForKey(key); |
| if (factory != null) |
| return factory; |
| |
| factory = new DistributedJDBCBrokerFactory(conf); |
| pool(key, factory); |
| return factory; |
| } |
| |
| public DistributedJDBCBrokerFactory(DistributedJDBCConfiguration conf) { |
| super(conf); |
| } |
| |
| @Override |
| public DistributedJDBCConfiguration getConfiguration() { |
| return (DistributedJDBCConfiguration)super.getConfiguration(); |
| } |
| |
| @Override |
| public Slice addSlice(String name, Map properties) { |
| Slice slice = ((DistributedJDBCConfigurationImpl)getConfiguration()).addSlice(name, properties); |
| ClassLoader loader = AccessController.doPrivileged(J2DoPrivHelper.getContextClassLoaderAction()); |
| synchronizeMappings(loader, (JDBCConfiguration)slice.getConfiguration()); |
| Collection<Broker> brokers = getOpenBrokers(); |
| for (Broker broker : brokers) { |
| ((DistributedBroker)broker).getDistributedStoreManager().addSlice(slice); |
| } |
| return slice; |
| } |
| |
| @Override |
| protected DistributedJDBCStoreManager newStoreManager() { |
| return new DistributedJDBCStoreManager(getConfiguration()); |
| } |
| |
| @Override |
| public DistributedBroker newBroker() { |
| return new DistributedBrokerImpl(); |
| } |
| |
| @Override |
| protected boolean synchronizeMappings(ClassLoader loader) { |
| List<Slice> slices = getConfiguration().getSlices(Slice.Status.ACTIVE); |
| boolean result = false; |
| for (Slice slice : slices) { |
| result = synchronizeMappings(loader, (JDBCConfiguration) slice.getConfiguration()) || result; |
| } |
| return result; |
| } |
| |
| @Override |
| protected Object getFactoryInitializationBanner() { |
| return _loc.get("factory-init", OpenJPAVersion.VERSION_NUMBER); |
| } |
| } |