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package javax.resource.cci;


import javax.resource.ResourceException;

/** The interface ConnectionMetaData provides information 
 *  about an EIS instance connected through a Connection instance. A
 *  component calls the method Connection.getMetaData to
 *  get a ConnectionMetaData instance. 
 *
 *  @version     0.8
 *  @author      Rahul Sharma
 *  @see         javax.resource.cci.Connection
 *  @see         javax.resource.cci.ResultSetInfo
**/

public interface ConnectionMetaData {

  /** Returns product name of the underlying EIS instance connected
   *  through the Connection that produced this metadata.
   *
   *  @return   Product name of the EIS instance
   *  @throws   ResourceException  Failed to get the information for
   *                               the EIS instance
  **/
  public
  String getEISProductName() throws ResourceException;

  /** Returns product version of the underlying EIS instance.
   *
   *  @return   Product version of an EIS instance. 
   *  @throws   ResourceException  Failed to get the information for
   *                               the EIS instance
  **/
  public
  String getEISProductVersion() throws ResourceException;

  /** Returns the user name for an active connection as known to 
   *  the underlying EIS instance. The name corresponds the resource
   *  principal under whose security context a connection to the
   *  EIS instance has been established.
   *
   *  @return   String representing the user name
   *  @throws   ResourceException  Failed to get the information for
   *                               the EIS instance           
  **/
  public
  String getUserName() throws ResourceException;
}