DataSourceLookup (Spring Framework 4.3.30.RELEASE API)

All Known Implementing Classes:
BeanFactoryDataSourceLookup, JndiDataSourceLookup, MapDataSourceLookup, SingleDataSourceLookup
```
public interface DataSourceLookup
```
Strategy interface for looking up DataSources by name.
Used, for example, to resolve data source names in JPA persistence.xml files.
Since:
2.0
Author:
Costin Leau, Juergen Hoeller
See Also:
DefaultPersistenceUnitManager.setDataSourceLookup(org.springframework.jdbc.datasource.lookup.DataSourceLookup)

- Method Summary
  All Methods Instance Methods Abstract Methods
  Modifier and Type Method Description
  DataSource getDataSource(String dataSourceName)
  Retrieve the DataSource identified by the given name.

- Method Detail
  - getDataSource
```
DataSource getDataSource(String dataSourceName)
                  throws DataSourceLookupFailureException
```
    Retrieve the DataSource identified by the given name.
    Parameters:
    dataSourceName - the name of the DataSource
    Returns:
    the DataSource (never null)
    Throws:
    DataSourceLookupFailureException - if the lookup failed