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CdbCommandTransReadOrUpdate.hh

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#ifndef CDBTOOLS_COMMAND_TRANS_READ_OR_UPDATE_HH
#define CDBTOOLS_COMMAND_TRANS_READ_OR_UPDATE_HH

// File and Version Information:
//      $Id: CdbCommandTransReadOrUpdate.hh,v 1.1 2002/11/27 23:47:22 gapon Exp $

#include "BdbUtil/Bdb.hh"

#include "CdbTools/CdbCommandTrans.hh"

/// This class implements the actual transaction manager
/**
  * This manager can be used to begin the actual transaction.
  */
class CdbCommandTransReadOrUpdate : public CdbCommandTrans {

public:

  /// Constructor

    CdbCommandTransReadOrUpdate( BdbMode theMode = BdbcRead );

  /// Destructor

    virtual ~CdbCommandTransReadOrUpdate( );

  /// Start a new transaction
  /**
    * Implement a pure virtual method defined by the base class.
    *
    * @see CdbCommandTrans::start()
    */
    virtual CdbStatus start( );

  /// Commit an active transaction
  /**
    * Implement a pure virtual method defined by the base class.
    *
    * @see CdbCommandTrans::commit()
    */
    virtual CdbStatus commit( );

  /// Commit and hold an active transaction
  /**
    * Implement a pure virtual method defined by the base class.
    *
    * @see CdbCommandTrans::commitAndHold()
    */
    virtual CdbStatus commitAndHold( );

  /// Abort an active transaction
  /**
    * Implement a pure virtual method defined by the base class.
    *
    * @see CdbCommandTrans::abort()
    */
    virtual CdbStatus abort( );

private:

  // The desired mode of the transaction. This value is used when a transaction
  // is being started.

    BdbMode _myMode;
};

#endif /* CDBTOOLS_COMMAND_TRANS_READ_HH */

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