示例#1
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        }   // end of ValidateFieldMapOnCQ

        /// <summary>
        /// Execute the Query and migrate the data
        /// </summary>
        /// <param name="baseEntityName">Base Entity Name</param>
        private void MigrateData(string baseEntityName, string baseEntityWitName)
        {
            Session     cqSession = m_cqConnection.GetUserSession();
            OAdQuerydef qryDef    = m_cqConnection.QueryDefinition;

            // edit the query and add dbid field
            // dbid is suppose to be unique within a Entity
            CQWrapper.BuildField(qryDef, "dbid");

            // prepare result set
            OAdResultset result = CQWrapper.BuildResultSet(cqSession, qryDef);

            // process records for base entity
            CQEntity baseEntityRecords = m_cqParams.entityRecords[baseEntityName];

            // enable record count before execute so that no of records can be fetched
            CQWrapper.EnableRecordCount(result);

            // execute the query
            CQWrapper.ExecuteResultSet(result);

            int columnCount = CQWrapper.GetResultSetColumnCount(result);

            // lookup for dbid column
            bool dbidExist       = false;
            int  dbidColumnIndex = 0;

            for (int colIter = 1; colIter <= columnCount; colIter++)
            {
                if (string.Equals(CQWrapper.GetColumnLabel(result, colIter), "dbid", StringComparison.OrdinalIgnoreCase))
                {
                    dbidExist       = true;
                    dbidColumnIndex = colIter;
                    break;
                }
            }

            if (!dbidExist)
            {
                // neither query contain dbid nor can be edited to include a new column
                string errMsg = UtilityMethods.Format(CQResource.CQ_NO_DBID_IN_QUERY, m_cqConnection.QueryName,
                                                      m_convParams.ConfigFile);

                PostMigrationReport.WriteIssue(null, null, RepStatus.Failed, ReportIssueType.Critical,
                                               String.Empty, baseEntityName, IssueGroup.Config, errMsg);

                Logger.Write(LogSource.CQ, TraceLevel.Error, errMsg);
                throw new ConverterException(errMsg);
            }

            // start the progress thread for updating the progress
            m_progressThread      = new Thread(new ThreadStart(CQConverter.UpdateProgress));
            m_progressThread.Name = "Progress";

            try
            {
                // get the work item helper handle
                TotalRecords = CQWrapper.GetRecordCount(result);
                m_progressThread.Start();
                while (CQWrapper.ResultSetMoveNext(result) == CQConstants.SUCCESS)
                {
                    string dbid = (string)CQWrapper.GetColumnValue(result, dbidColumnIndex);
                    // create a CQEntity for that
                    CQEntityRec record = new CQEntityRec(int.Parse(dbid), baseEntityName, m_cqParams);

                    try
                    {
                        // populate and migrate the record and all referenced records
                        RecordsProcessed++;
                        baseEntityRecords.AddRecord(record);
                        if (record.Populate() == false &&
                            m_cqParams.exitOnError == true)
                        {
                            return; // stop processing more records
                        }
                    }
                    catch (ConverterException conEx)
                    {
                        // log the error and continue with next item
                        string errMsg = UtilityMethods.Format(CQResource.CQ_WI_READ_FAILED, dbid, conEx.Message);
                        ReportWorkItemFailure(errMsg, dbid, baseEntityName, baseEntityWitName, m_cqParams.exitOnError);
                        if (m_cqParams.exitOnError == true)
                        {
                            // throw the error back .. should not continue with the current record
                            throw;
                        }
                    }
                }
            }
            finally
            {
                // terminate the progress thread
                m_progressThread.Abort();
                Thread.Sleep(5000); // allow the display thread to stop
            }
        } // end of MigrateData