Java tutorial
/* * Copyright (c) 2012, Paul Merlin. All Rights Reserved. * * 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.qi4j.library.sql.datasource; import java.sql.Connection; import java.sql.SQLException; import javax.sql.DataSource; import org.apache.commons.dbcp.BasicDataSource; import org.junit.Test; import org.qi4j.api.common.Visibility; import org.qi4j.bootstrap.AssemblyException; import org.qi4j.bootstrap.ModuleAssembly; import org.qi4j.library.sql.assembly.ExternalDataSourceAssembler; import org.qi4j.library.sql.common.SQLUtil; import org.qi4j.test.AbstractQi4jTest; public class ExternalDataSourceTest extends AbstractQi4jTest { @Override public void assemble(ModuleAssembly module) throws AssemblyException { BasicDataSource externalDataSource = new BasicDataSource(); externalDataSource.setDriverClassName("org.apache.derby.jdbc.EmbeddedDriver"); externalDataSource.setUrl("jdbc:derby:memory:testdbexternal;create=true"); // START SNIPPET: assembly new ExternalDataSourceAssembler(externalDataSource).visibleIn(Visibility.module) .identifiedBy("datasource-external-id") .withCircuitBreaker(DataSources.newDataSourceCircuitBreaker()).assemble(module); // END SNIPPET: assembly } @Test public void test() throws SQLException { DataSource dataSource = module.findService(DataSource.class).get(); Connection connection = dataSource.getConnection(); try { connection.getMetaData(); } finally { SQLUtil.closeQuietly(connection); } } }