## Uses of Class
org.springframework.jdbc.datasource.DelegatingDataSource

- Packages that use DelegatingDataSource
  Package | Description
  --- | ---
  org.springframework.jdbc.datasource | Provides a utility class for easy DataSource access, a PlatformTransactionManager for a single DataSource, and various simple DataSource implementations.

- - ### Uses of DelegatingDataSource in org.springframework.jdbc.datasource

    Subclasses of DelegatingDataSource in org.springframework.jdbc.datasource
    Modifier and Type | Class and Description
    --- | ---
    `class` | `IsolationLevelDataSourceAdapter` An adapter for a target `DataSource`, applying the current Spring transaction's isolation level (and potentially specified user credentials) to every `getConnection` call.
    `class` | `LazyConnectionDataSourceProxy` Proxy for a target DataSource, fetching actual JDBC Connections lazily, i.e.
    `class` | `TransactionAwareDataSourceProxy` Proxy for a target JDBC `DataSource`, adding awareness of Spring-managed transactions.
    `class` | `UserCredentialsDataSourceAdapter` An adapter for a target JDBC `DataSource`, applying the specified user credentials to every standard `getConnection()` call, implicitly invoking `getConnection(username, password)` on the target.
    `class` | `WebSphereDataSourceAdapter` `DataSource` implementation that delegates all calls to a WebSphere target `DataSource`, typically obtained from JNDI, applying a current isolation level and/or current user credentials to every Connection obtained from it.