SingleDataSourceLookup


1   /*
2    * Copyright 2002-2006 the original author or authors.
3    *
4    * Licensed under the Apache License, Version 2.0 (the "License");
5    * you may not use this file except in compliance with the License.
6    * You may obtain a copy of the License at
7    *
8    *      http://www.apache.org/licenses/LICENSE-2.0
9    *
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS,
12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13   * See the License for the specific language governing permissions and
14   * limitations under the License.
15   */
16  
17  package org.springframework.jdbc.datasource.lookup;
18  
19  import javax.sql.DataSource  ;
20  
21  import org.springframework.util.Assert;
22  
23  /**
24   * An implementation of the DataSourceLookup that simply wraps a
25   * single given DataSource, returned for any data source name.
26   *
27   * @author Juergen Hoeller
28   * @since 2.0
29   */
30  public class SingleDataSourceLookup implements DataSourceLookup {
31  
32      private final DataSource   dataSource;
33  
34  
35      /**
36       * Create a new instance of the {@link SingleDataSourceLookup} class.
37       * @param dataSource the single {@link DataSource} to wrap
38       */
39      public SingleDataSourceLookup(DataSource   dataSource) {
40          Assert.notNull(dataSource, "DataSource must not be null");
41          this.dataSource = dataSource;
42      }
43  
44  
45      public DataSource   getDataSource(String   dataSourceName) {
46          return this.dataSource;
47      }
48  
49  }
50

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