/// <summary>
/// Create a new BPI, and serialize the changeset if not in memory
/// </summary>
internal static BatchPartInfo CreateBatchPartInfo(int batchIndex, DmSet changesSet, string fileName, Boolean isLastBatch, Boolean inMemory)
{
BatchPartInfo bpi = null;
// Create a batch part
// The batch part creation process will serialize the changesSet to the disk
if (!inMemory)
{
// Serialize the file !
BatchPart.Serialize(new DmSetSurrogate(changesSet), fileName);
bpi = new BatchPartInfo {
FileName = fileName
};
}
else
{
bpi = new BatchPartInfo {
Set = changesSet
};
}
bpi.Index = batchIndex;
bpi.IsLastBatch = isLastBatch;
// Even if the set is empty (serialized on disk), we should retain the tables names
bpi.Tables = changesSet.Tables.Select(t => t.TableName).ToArray();
return(bpi);
}
/// <summary>
/// Deserialize the BPI WITHOUT the DmSet
/// </summary>
public static BatchPartInfo DeserializeFromDmSet(DmSet set)
{
if (set == null)
{
return(null);
}
if (!set.Tables.Contains("DotmimSync__BatchPartsInfo"))
{
return(null);
}
var dmRow = set.Tables["DotmimSync__BatchPartsInfo"].Rows[0];
var bpi = new BatchPartInfo();
bpi.Index = (int)dmRow["Index"];
bpi.FileName = dmRow["FileName"] as string;
bpi.IsLastBatch = (Boolean)dmRow["IsLastBatch"];
if (dmRow["Tables"] != null)
{
var stringTables = dmRow["Tables"] as string;
var tables = stringTables.Split(new char[] { '|' }, StringSplitOptions.RemoveEmptyEntries);
bpi.Tables = tables;
}
return(bpi);
}
/// <summary>
/// Generate a new BatchPartInfo and add it to the current batchInfo
/// </summary>
internal BatchPartInfo GenerateBatchInfo(int batchIndex, DmSet changesSet, string batchDirectory)
{
var hasData = true;
if (changesSet == null || changesSet.Tables.Count == 0)
{
hasData = false;
}
else
{
hasData = changesSet.Tables.Any(t => t.Rows.Count > 0);
}
if (!hasData)
{
return(null);
}
BatchPartInfo bpi = null;
// Create a batch part
// The batch part creation process will serialize the changesSet to the disk
if (!InMemory)
{
var bpId = GenerateNewFileName(batchIndex.ToString());
var fileName = Path.Combine(batchDirectory, this.Directory, bpId);
bpi = BatchPartInfo.CreateBatchPartInfo(batchIndex, changesSet, fileName, false, false);
}
else
{
bpi = BatchPartInfo.CreateBatchPartInfo(batchIndex, changesSet, null, true, true);
}
// add the batchpartinfo tp the current batchinfo
this.BatchPartsInfo.Add(bpi);
return(bpi);
}
/// <summary>
/// Serialize the BatchPartInfo WITHOUT the DmSet
/// </summary>
internal static void SerializeInDmSet(DmSet set, BatchPartInfo bpi)
{
if (set == null)
{
return;
}
DmTable dmTableBatchPartsInfo = null;
if (!set.Tables.Contains("DotmimSync__BatchPartsInfo"))
{
dmTableBatchPartsInfo = new DmTable("DotmimSync__BatchPartsInfo");
set.Tables.Add(dmTableBatchPartsInfo);
}
dmTableBatchPartsInfo = set.Tables["DotmimSync__BatchPartsInfo"];
dmTableBatchPartsInfo.Columns.Add <String>("FileName");
dmTableBatchPartsInfo.Columns.Add <int>("Index");
dmTableBatchPartsInfo.Columns.Add <Boolean>("IsLastBatch");
dmTableBatchPartsInfo.Columns.Add <String>("Tables");
var dmRow = dmTableBatchPartsInfo.NewRow();
dmRow["FileName"] = bpi.FileName;
dmRow["Index"] = bpi.Index;
dmRow["IsLastBatch"] = bpi.IsLastBatch;
if (bpi.Tables != null && bpi.Tables.Length > 0)
{
var tablesString = String.Join("|", bpi.Tables);
dmRow["Tables"] = tablesString;
}
dmTableBatchPartsInfo.Rows.Add(dmRow);
}
