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## org.springframework.jdbc.datasource
Class AbstractDataSource

    java.lang.Object
      org.springframework.jdbc.datasource.AbstractDataSource

All Implemented Interfaces:
  Wrapper, CommonDataSource, DataSource

Direct Known Subclasses:
  AbstractDriverBasedDataSource, AbstractRoutingDataSource

    public abstract class AbstractDataSource

extends Object
implements DataSource

Abstract base class for Spring's `DataSource` implementations, taking care of the padding.

'Padding' in the context of this class means default implementations for certain methods from the `DataSource` interface, such as `getLoginTimeout()`, `setLoginTimeout(int)`, and so forth.

Since:
  07.05.2003
Author:
  Juergen Hoeller
See Also:
  `DriverManagerDataSource`

Field Summary
`protected Log` | `logger` Logger available to subclasses

Constructor Summary
`AbstractDataSource()`

Method Summary
`int` | `getLoginTimeout()` Returns 0, indicating the default system timeout is to be used.
`PrintWriter` | `getLogWriter()` LogWriter methods are not supported.
`boolean` | `isWrapperFor(Class<?> iface)`
`void` | `setLoginTimeout(int timeout)` Setting a login timeout is not supported.
`void` | `setLogWriter(PrintWriter pw)` LogWriter methods are not supported.
`
`<T> T`
` | `unwrap(Class<T> iface)`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Methods inherited from interface javax.sql.DataSource
`getConnection, getConnection`

Field Detail

### logger

    protected final Log logger

  Logger available to subclasses

Constructor Detail

### AbstractDataSource

    public AbstractDataSource()

Method Detail

### getLoginTimeout

    public int getLoginTimeout()
                        throws SQLException

  Returns 0, indicating the default system timeout is to be used.

  Specified by:
    `getLoginTimeout` in interface `CommonDataSource`
  Throws:
    `SQLException`

### setLoginTimeout

    public void setLoginTimeout(int timeout)
                         throws SQLException

  Setting a login timeout is not supported.

  Specified by:
    `setLoginTimeout` in interface `CommonDataSource`
  Throws:
    `SQLException`

### getLogWriter

    public PrintWriter getLogWriter()

  LogWriter methods are not supported.

  Specified by:
    `getLogWriter` in interface `CommonDataSource`

### setLogWriter

    public void setLogWriter(PrintWriter pw)
                      throws SQLException

  LogWriter methods are not supported.

  Specified by:
    `setLogWriter` in interface `CommonDataSource`
  Throws:
    `SQLException`

### unwrap

    public <T> T unwrap(Class<T> iface)
             throws SQLException

  Specified by:
    `unwrap` in interface `Wrapper`
  Throws:
    `SQLException`

### isWrapperFor

    public boolean isWrapperFor(Class<?> iface)
                         throws SQLException

  Specified by:
    `isWrapperFor` in interface `Wrapper`
  Throws:
    `SQLException`

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