DataSourceLookup


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  /**
22   * Strategy interface for looking up DataSources by name.
23   *
24   * <p>Used, for example, to resolve data source names in JPA
25   * <code>persistence.xml</code> files.
26   *
27   * @author Costin Leau
28   * @author Juergen Hoeller
29   * @since 2.0
30   * @see org.springframework.orm.jpa.persistenceunit.DefaultPersistenceUnitManager#setDataSourceLookup
31   */
32  public interface DataSourceLookup {
33  
34      /**
35       * Retrieve the DataSource identified by the given name.
36       * @param dataSourceName the name of the DataSource
37       * @return the DataSource (never <code>null</code>)
38       * @throws DataSourceLookupFailureException if the lookup failed
39       */
40      DataSource   getDataSource(String   dataSourceName) throws DataSourceLookupFailureException;
41  
42  }
43

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