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## org.springframework.jdbc.support.nativejdbc
Class WebLogicNativeJdbcExtractor

    java.lang.Object
      org.springframework.jdbc.support.nativejdbc.NativeJdbcExtractorAdapter
          org.springframework.jdbc.support.nativejdbc.WebLogicNativeJdbcExtractor

All Implemented Interfaces:
  NativeJdbcExtractor

    public class WebLogicNativeJdbcExtractor

extends NativeJdbcExtractorAdapter

Implementation of the `NativeJdbcExtractor` interface for WebLogic, supporting WebLogic Server 8.1 and higher.

Returns the underlying native Connection to application code instead of WebLogic's wrapper implementation; unwraps the Connection for native statements. The returned JDBC classes can then safely be cast, e.g. to `oracle.jdbc.OracleConnection`.

This NativeJdbcExtractor can be set just to allow working with a WebLogic DataSource: If a given object is not a WebLogic Connection wrapper, it will be returned as-is.

Since:
  1.0.2
Author:
  Thomas Risberg, Juergen Hoeller
See Also:
  `NativeJdbcExtractorAdapter.getNativeConnection(java.sql.Connection)`, `weblogic.jdbc.extensions.WLConnection#getVendorConnection`

Constructor Summary
`WebLogicNativeJdbcExtractor()` This constructor retrieves the WebLogic JDBC extension interface, so we can get the underlying vendor connection using reflection.

Method Summary
`protected Connection` | `doGetNativeConnection(Connection con)` Retrieve the Connection via WebLogic's `getVendorConnection` method.
`boolean` | `isNativeConnectionNecessaryForNativeCallableStatements()` Return `true`, as WebLogic returns wrapped CallableStatements.
`boolean` | `isNativeConnectionNecessaryForNativePreparedStatements()` Return `true`, as WebLogic returns wrapped PreparedStatements.
`boolean` | `isNativeConnectionNecessaryForNativeStatements()` Return `true`, as WebLogic returns wrapped Statements.

Methods inherited from class org.springframework.jdbc.support.nativejdbc.NativeJdbcExtractorAdapter
`getNativeCallableStatement, getNativeConnection, getNativeConnectionFromStatement, getNativePreparedStatement, getNativeResultSet, getNativeStatement`

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

Constructor Detail

### WebLogicNativeJdbcExtractor

    public WebLogicNativeJdbcExtractor()

  This constructor retrieves the WebLogic JDBC extension interface, so we can get the underlying vendor connection using reflection.

Method Detail

### isNativeConnectionNecessaryForNativeStatements

    public boolean isNativeConnectionNecessaryForNativeStatements()

  Return `true`, as WebLogic returns wrapped Statements.

  Specified by:
    `isNativeConnectionNecessaryForNativeStatements` in interface `NativeJdbcExtractor`
  Overrides:
    `isNativeConnectionNecessaryForNativeStatements` in class `NativeJdbcExtractorAdapter`

### isNativeConnectionNecessaryForNativePreparedStatements

    public boolean isNativeConnectionNecessaryForNativePreparedStatements()

  Return `true`, as WebLogic returns wrapped PreparedStatements.

  Specified by:
    `isNativeConnectionNecessaryForNativePreparedStatements` in interface `NativeJdbcExtractor`
  Overrides:
    `isNativeConnectionNecessaryForNativePreparedStatements` in class `NativeJdbcExtractorAdapter`

### isNativeConnectionNecessaryForNativeCallableStatements

    public boolean isNativeConnectionNecessaryForNativeCallableStatements()

  Return `true`, as WebLogic returns wrapped CallableStatements.

  Specified by:
    `isNativeConnectionNecessaryForNativeCallableStatements` in interface `NativeJdbcExtractor`
  Overrides:
    `isNativeConnectionNecessaryForNativeCallableStatements` in class `NativeJdbcExtractorAdapter`

### doGetNativeConnection

    protected Connection doGetNativeConnection(Connection con)
                                        throws SQLException

  Retrieve the Connection via WebLogic's `getVendorConnection` method.

  Overrides:
    `doGetNativeConnection` in class `NativeJdbcExtractorAdapter`
  Throws:
    `SQLException`

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