001/*
002 * Copyright 2002-2012 the original author or authors.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 *      https://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016
017package org.springframework.jdbc.datasource.lookup;
018
019import javax.sql.DataSource;
020
021import org.springframework.util.Assert;
022
023/**
024 * An implementation of the DataSourceLookup that simply wraps a
025 * single given DataSource, returned for any data source name.
026 *
027 * @author Juergen Hoeller
028 * @since 2.0
029 */
030public class SingleDataSourceLookup implements DataSourceLookup {
031
032        private final DataSource dataSource;
033
034
035        /**
036         * Create a new instance of the {@link SingleDataSourceLookup} class.
037         * @param dataSource the single {@link DataSource} to wrap
038         */
039        public SingleDataSourceLookup(DataSource dataSource) {
040                Assert.notNull(dataSource, "DataSource must not be null");
041                this.dataSource = dataSource;
042        }
043
044
045        @Override
046        public DataSource getDataSource(String dataSourceName) {
047                return this.dataSource;
048        }
049
050}