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Viewing changes to drizzled/transaction_services.h

  • Committer: Joseph Daly
  • Date: 2010-10-18 03:10:56 UTC
  • mto: (1856.2.16 transaction_id_innodb)
  • mto: This revision was merged to the branch mainline in revision 1900.
  • Revision ID: skinny.moey@gmail.com-20101018031056-nfbsjmibqovhedez
use transaction_id in innodb for transaction log

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drizzled/transaction_services.h
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class Session;
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class NamedSavepoint;
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class Field;
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/**
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 * This is a class which manages the XA transaction processing
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 * in the server
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{
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public:
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  static const size_t DEFAULT_RECORD_SIZE= 100;
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  typedef uint64_t TransactionId;
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  /**
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   * Constructor
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   */
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  TransactionServices()
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  {
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    /**
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     * @todo set transaction ID to the last one from an applier...
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     */
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    current_transaction_id= 0;
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  }
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  /**
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                                      plugin::MonitoredInTransaction *monitored,
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                                      plugin::TransactionalStorageEngine *engine,
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                                      plugin::XaResourceManager *resource_manager);
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  TransactionId getNextTransactionId()
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  {
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    return current_transaction_id.increment();
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  }
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  TransactionId getCurrentTransactionId()
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  {
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    return current_transaction_id;
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  }
 
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  uint64_t getCurrentTransactionId(Session *session);
 
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  /**
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   * DEBUG ONLY.  See plugin::TransactionLog::truncate()
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   */
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  void resetTransactionId()
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  {
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    current_transaction_id= 0;
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  }
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  /**************
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  bool sendShutdownEvent(Session *session);
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private:
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  atomic<TransactionId> current_transaction_id;
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  /**
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   * Checks if a field has been updated