public override void GenerateCode(IFunctionBuilder functionBuilder)
{
var generator = new DbBulkCopy_Gen();
generator.Session = new Dictionary <string, object>();
generator.Session.Add("FunctionContextProperty", functionBuilder.ContextParamName);
generator.Session.Add("ConnectionType", FunctionData.Properties[DbShared.ConnectionTypePropertyName].GetValue <ConnectionTypeSelection>().ToConnectionType());
generator.Session.Add("ConnectionStringProperty", functionBuilder.GetParamName(DbShared.ConnectionStringPropertyName));
generator.Session.Add("Timeout", FunctionData.Properties[DbBulkCopyShared.TimeoutPropertyName].GetValue <int>());
generator.Session.Add("BatchSize", FunctionData.Properties[DbBulkCopyShared.BatchSizePropertyName].GetValue <int>());
generator.Session.Add("TableName", FunctionData.Properties[DbBulkCopyShared.TableNamePropertyName].GetValue <string>());
var columns = FunctionData.Properties[DbBulkCopyShared.ColumnsPropertyName].GetValue <DatabaseModel.Columns>();
generator.Session.Add("ColumnNames", columns.Select(c => c.Name).ToArray());
generator.Session.Add("ColumnPropertyNames", columns.Select(c => DbBulkCopyShared.GetPropertyName(c.Name)).ToArray());
generator.Session.Add("ColumnDataTypes", columns.Select(c => c.DataType).ToArray());
generator.Session.Add("ExecutionPathOutputName", functionBuilder.ExecutionPathOutParamName);
generator.Session.Add("ExecutionPathName", DbBulkCopyShared.ExecutionPathName);
generator.Initialize();
functionBuilder.AddCode(generator.TransformText());
functionBuilder.AddAssemblyReference(typeof(Loader));
functionBuilder.AddAssemblyReference(typeof(RuntimeBinderException));
}
private void RefreshExecutionPath()
{
var columns = Properties[DbBulkCopyShared.ColumnsPropertyName].GetValue <DatabaseModel.Columns>();
if (columns.Any())
{
TypeReference outputTypeReference = new DynamicCompiledTypeReference(typeof(Loader), _ =>
{
var rowTypeBuilder = new TypeBuilder();
foreach (var nextColumn in columns)
{
Type systemType = nextColumn.DataType.GetSystemType();
bool isNullableType = systemType.IsClass;
ITypeReference propertyType = isNullableType ? systemType.MapType() : TypeReference.Create(typeof(Nullable <>).MakeGenericType(systemType));
rowTypeBuilder.AddProperty(
DbBulkCopyShared.GetPropertyName(nextColumn.Name),
propertyType);
}
return(rowTypeBuilder.CreateTypeReference());
});
if (ExecutionPaths.Any())
{
ExecutionPaths[DbBulkCopyShared.ExecutionPathName].Output = outputTypeReference;
}
else
{
ExecutionPaths.Add(DbBulkCopyShared.ExecutionPathName, DbBulkCopyShared.ExecutionPathName, outputTypeReference, IterationHint.Once);
}
}
else if (ExecutionPaths.Any())
{
ExecutionPaths.Clear();
}
}