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}