CLASS Xaction_table

#include <Xaction_table.h>

The Xaction_table represents the transaction table in the ARIES system. It maintains the list of transactions and their lastLSN.

Fields

int _xid_array[100];
RecInfo* _recInfoList[100];
int _count;

Methods

OSErr GetRecInfo ( int xid, RecInfo& recInfo )

Retrieves the record information (containing the minimum LSN and last LSN of a transaction) of transaction xid.

OSErr SetRecInfo ( int xid, RecInfo& recInfo )

Sets the record information (containing the minimum LSN and last LSN of a transaction) of transaction xid.

OSErr GetAllRecInfo ( char* dbname, int& num_entries, int* xid_list, RecInfo recInfoList [ ] )

Retrieves all of the records (containing the minimum LSN and last LSN of a transaction) of the num_entries number of transactions in list xid_list.

OSErr add_entry ( int xid )

Creates an entry for transaction xid in the table.

OSErr delete_entry ( int xid )

Deletes an entry for transaction xid in the table.

OSErr print_trans_table ( )

Prints out the information in the transaction table.