XAPoolNativeJdbcExtractor (Spring Framework) - Spring Framework 1.2.9 API 文档英文版

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org.springframework.jdbc.support.nativejdbc
Class XAPoolNativeJdbcExtractor

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

All Implemented Interfaces:: NativeJdbcExtractor

public class XAPoolNativeJdbcExtractor
extends NativeJdbcExtractorAdapter
extends NativeJdbcExtractorAdapter

Implementation of the NativeJdbcExtractor interface for ObjectWeb's XAPool.

Returns underlying native Connections and native PreparedStatements to application code instead of XAPool's wrapper implementations; unwraps the Connection for native Statements and native CallableStatements. 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 an XAPool DataSource: If a given object is not an XAPool wrapper, it will be returned as-is.

Since:: 06.02.2004
Author:: Juergen Hoeller

Constructor Summary

XAPoolNativeJdbcExtractor()


Method Summary

protected Connection doGetNativeConnection(Connection con)
          Not able to unwrap: return passed-in Connection.

PreparedStatement getNativePreparedStatement(PreparedStatement ps)
          Not able to unwrap: return passed-in PreparedStatement.

boolean isNativeConnectionNecessaryForNativeCallableStatements()
          Return true, as CoreCallableStatement does not allow access to the underlying Connection.

boolean isNativeConnectionNecessaryForNativeStatements()
          Return true, as CoreStatement does not allow access to the underlying Connection.

Methods inherited from class org.springframework.jdbc.support.nativejdbc.NativeJdbcExtractorAdapter

getNativeCallableStatement, getNativeConnection, getNativeConnectionFromStatement, getNativeResultSet, getNativeStatement, isNativeConnectionNecessaryForNativePreparedStatements

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Summary
`XAPoolNativeJdbcExtractor()`

Method Summary
`protected Connection`	`doGetNativeConnection(Connection con)` Not able to unwrap: return passed-in Connection.
`PreparedStatement`	`getNativePreparedStatement(PreparedStatement ps)` Not able to unwrap: return passed-in PreparedStatement.
`boolean`	`isNativeConnectionNecessaryForNativeCallableStatements()` Return `true`, as CoreCallableStatement does not allow access to the underlying Connection.
`boolean`	`isNativeConnectionNecessaryForNativeStatements()` Return `true`, as CoreStatement does not allow access to the underlying Connection.

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

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

Constructor Detail