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Viewing changes to drizzled/transaction_services.h

  • Committer: Monty Taylor
  • Date: 2010-11-10 22:59:29 UTC
  • mfrom: (1308.1.27 ubuntu)
  • Revision ID: mordred@inaugust.com-20101110225929-fd7pqkg4xtuidm10
* New upstream release.
* New upstream release.
* drizzledump.1 manpage shipping in tarball now.
* Removed quilt patches for things applied upstream.
* Added support for RabbitMQ plugin.
* Added support for libnotify error message plugin.
* Added build depend on libboost-iostreams-dev.
* Karmic PPA

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Lines of Context:
drizzled/transaction_services.h
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{
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  class MonitoredInTransaction;
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  class XaResourceManager;
 
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  class XaStorageEngine;
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  class TransactionalStorageEngine;
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}
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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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  TransactionServices();
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  /**
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   * Singleton method
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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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  /**
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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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  uint64_t getCurrentTransactionId(Session *session);
 
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  void allocateNewTransactionId();
 
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  /**************
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   * Events API
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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 
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                               Table *in_table,
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                               const unsigned char *old_record,
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                               const unsigned char *new_record);
 
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  plugin::XaStorageEngine *xa_storage_engine;
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};
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} /* namespace drizzled */