private int GetFileVersion(LogicFileInfoData logicFileInfo, DbTransaction trans)
{
int result = 1;
int count = logicFileInfo.PhysicalFileInfos.Count;
if (count > 0)
{
PhysicalFileInfoData fileData = logicFileInfo.PhysicalFileInfos[count - 1];
if (fileData.Version != count)
{
LogicFileInfoItemData itemData = new LogicFileInfoItemData();
itemData.ID = logicFileInfo.ID;
LogicFileInfoData newLogicFileInfo = this.DataProvider.FetchFileInfo(itemData, trans);
if (newLogicFileInfo != null)
{
count = newLogicFileInfo.PhysicalFileInfos.Count;
fileData = newLogicFileInfo.PhysicalFileInfos[count - 1];
}
}
if (fileData != null)
{
result = fileData.Version + 1;
}
}
return(result);
}
private LogicFileInfoItemData CreateFetchItemParam(OpenFileItemData itemParam)
{
LogicFileInfoItemData result = new LogicFileInfoItemData();
result.ID = itemParam.FileID;
result.Version = itemParam.Version;
result.WithPhysicalFileInfo = true;
return(result);
}
public override LogicFileInfoData FetchFileInfo(LogicFileInfoItemData fetchParam, DbTransaction trans)
{
LogicFileInfoData result = null;
DbCommand dbCmd = this.FetchFileInfoCommand;
this.Database.SetParameterValue(dbCmd, "p_logic_file_id", fetchParam.ID.ToString().ToUpper());
this.Database.SetParameterValue(dbCmd, "p_physical_file_id", fetchParam.PhysicalFileID.ToString().ToUpper());
if (fetchParam.Version > 0)
{
this.Database.SetParameterValue(dbCmd, "p_VERSION", fetchParam.Version);
}
this.Database.SetParameterValue(dbCmd, "p_with_physical_file", fetchParam.WithPhysicalFileInfo);
IDataReader reader = null;
if (trans != null)
{
reader = this.Database.ExecuteReader(dbCmd, trans);
}
else
{
reader = this.Database.ExecuteReader(dbCmd);
}
if (reader != null)
{
try
{
if (reader.Read())
{
result = new LogicFileInfoData();
FieldLookup looup = this.EntityFactory.CreateFieldLookup(reader);
this.Adapter.SetEntityValue(result, reader, looup);
if (fetchParam.WithPhysicalFileInfo && reader.NextResult())
{
this.EntityFactory.BuildEntityCollection(result.PhysicalFileInfos, reader);
}
}
}
finally
{
reader.Close();
}
}
return(result);
}
LogicFileInfoData IFileStorageProviderDataProvider.FetchFileInfo(LogicFileInfoItemData fetchParam, IDbTransaction trans)
{
return(this.FetchFileInfo(fetchParam, trans as DbTransaction));
}
public abstract LogicFileInfoData FetchFileInfo(LogicFileInfoItemData fetchParam, DbTransaction trans);