/* * Copyright 2002-2006 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.jdbc.datasource.lookup; import javax.sql.DataSource; /** * Strategy interface for looking up DataSources by name. * * <p>Used, for example, to resolve data source names in JPA * <code>persistence.xml</code> files. * * @author Costin Leau * @author Juergen Hoeller * @since 2.0 * @see org.springframework.orm.jpa.persistenceunit.DefaultPersistenceUnitManager#setDataSourceLookup */ public interface DataSourceLookup { /** * Retrieve the DataSource identified by the given name. * @param dataSourceName the name of the DataSource * @return the DataSource (never <code>null</code>) * @throws DataSourceLookupFailureException if the lookup failed */ DataSource getDataSource(String dataSourceName) throws DataSourceLookupFailureException; }