/// <summary>
/// Create a delegate to convert data after reading from the database.
/// </summary>
/// <param name="dataTable">The data table.</param>
/// <param name="context">The context.</param>
/// <returns></returns>
private Func <Guid, Guid, object, object> GetDataConverter(string dataTable, IProcessingContext context)
{
Func <Guid, Guid, object, object> converter;
switch (dataTable)
{
case "Xml":
/////
// Use Xml processor to remap EntityRefs located in XML
/////
var xmlProcessor = new XmlFieldProcessor
{
ConversionMode = XmlConversionMode.LocalIdToUpgradeGuid,
TenantId = TenantId,
DatabaseContext = DatabaseContext,
ProcessingContext = context
};
converter = (entityUpgradeId, fieldUpgradeId, value) => xmlProcessor.RemapXmlEntities(entityUpgradeId, fieldUpgradeId, ( string )value);
break;
default:
converter = (entityUpgradeId, fieldUpgradeId, value) => value;
break;
}
return(converter);
}
/// <summary>
/// Writes the field data for the XML table.
/// </summary>
/// <param name="data">The data.</param>
/// <param name="context">The context.</param>
private void WriteFieldData_Xml(IEnumerable <DataEntry> data, IProcessingContext context)
{
/////
// Use Xml processor to remap EntityRefs located in XML
/////
var xmlProcessor = new XmlFieldProcessor(null, null, _upgradeToIdMap)
{
ConversionMode = XmlConversionMode.UpgradeGuidToLocalId,
TenantId = TenantId,
DatabaseContext = DatabaseContext,
ProcessingContext = context
};
Func <DataColumn[]> getColumnsAction = () => new[]
{
new DataColumn("EntityId", typeof(long))
{
AllowDBNull = false
},
new DataColumn("FieldId", typeof(long))
{
AllowDBNull = false
},
new DataColumn("Data", Helpers.FieldDataTableTypes["Xml"])
{
AllowDBNull = true
}
};
Func <DataEntry, DataRow, PopulateRowResult> populateRowAction = (entry, row) =>
{
long val;
if (!_upgradeToIdMap.TryGetValue(entry.EntityId, out val))
{
return(PopulateRowResult.MissingEntityDependency);
}
row[0] = val;
if (!_upgradeToIdMap.TryGetValue(entry.FieldId, out val))
{
return(PopulateRowResult.MissingFieldDependency);
}
row[1] = val;
row[2] = entry.Data == null ? DBNull.Value : ( object )xmlProcessor.RemapXmlEntities(entry.EntityId, entry.FieldId, ( string )entry.Data);
return(PopulateRowResult.Success);
};
var executionArguments = new ExecutionArguments <DataEntry>
{
Entries = data,
GetColumnsAction = getColumnsAction,
TableName = "Xml",
Context = context,
PopulateRowAction = populateRowAction,
CommandText = string.Format(CommandText.TenantMergeTargetWriteFieldCommandText, "Xml", string.Empty, string.Empty, string.Empty, string.Empty),
ExecuteAction = ExecuteAction.Writing,
SetupCommandAction = c => c.AddParameterWithValue("@tenant", TenantId)
};
Execute(executionArguments);
}