| /** |
| * 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 |
| * <p> |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * <p> |
| * 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.hadoop.ozone.recon.persistence; |
| |
| import static com.google.inject.matcher.Matchers.annotatedWith; |
| import static com.google.inject.matcher.Matchers.any; |
| |
| import java.sql.Connection; |
| import javax.sql.DataSource; |
| |
| import org.jooq.Configuration; |
| import org.jooq.ConnectionProvider; |
| import org.jooq.SQLDialect; |
| import org.jooq.impl.DefaultConfiguration; |
| import org.springframework.dao.DataAccessException; |
| import org.springframework.jdbc.datasource.DataSourceTransactionManager; |
| import org.springframework.jdbc.datasource.DataSourceUtils; |
| import org.springframework.jdbc.datasource.TransactionAwareDataSourceProxy; |
| import org.springframework.transaction.annotation.Transactional; |
| |
| import com.google.inject.AbstractModule; |
| import com.google.inject.Provider; |
| import com.google.inject.Provides; |
| import com.google.inject.Singleton; |
| |
| /** |
| * Persistence module that provides binding for {@link DataSource} and |
| * a MethodInterceptor for nested transactions support. |
| */ |
| public class JooqPersistenceModule extends AbstractModule { |
| |
| private Provider<DataSourceConfiguration> configurationProvider; |
| public static final SQLDialect DEFAULT_DIALECT = SQLDialect.SQLITE; |
| |
| public JooqPersistenceModule( |
| Provider<DataSourceConfiguration> configurationProvider) { |
| this.configurationProvider = configurationProvider; |
| } |
| |
| @Override |
| protected void configure() { |
| bind(DataSource.class).toProvider(DefaultDataSourceProvider.class) |
| .in(Singleton.class); |
| |
| TransactionalMethodInterceptor interceptor = |
| new TransactionalMethodInterceptor( |
| getProvider(DataSourceTransactionManager.class)); |
| |
| bindInterceptor(annotatedWith(Transactional.class), any(), interceptor); |
| bindInterceptor(any(), annotatedWith(Transactional.class), interceptor); |
| } |
| |
| @Provides |
| @Singleton |
| Configuration getConfiguration(DefaultDataSourceProvider provider) { |
| DataSource dataSource = provider.get(); |
| |
| return new DefaultConfiguration() |
| .set(dataSource) |
| .set(new SpringConnectionProvider(dataSource)) |
| .set(SQLDialect.valueOf(configurationProvider.get().getSqlDialect())); |
| } |
| |
| @Provides |
| @Singleton |
| DataSourceTransactionManager provideDataSourceTransactionManager( |
| DataSource dataSource) { |
| return new DataSourceTransactionManager( |
| new TransactionAwareDataSourceProxy(dataSource)); |
| } |
| |
| /** |
| * This connection provider uses Spring to extract the |
| * {@link TransactionAwareDataSourceProxy} from our BoneCP pooled connection |
| * {@link DataSource}. |
| */ |
| static class SpringConnectionProvider implements ConnectionProvider { |
| |
| private final DataSource dataSource; |
| |
| SpringConnectionProvider(DataSource dataSource) { |
| this.dataSource = dataSource; |
| } |
| |
| @Override |
| public Connection acquire() throws DataAccessException { |
| return DataSourceUtils.getConnection(dataSource); |
| } |
| |
| @Override |
| public void release(Connection connection) throws DataAccessException { |
| DataSourceUtils.releaseConnection(connection, dataSource); |
| } |
| } |
| } |