public static CommandBuffer Update <TSource>(this CommandBuffer buffer, TSource source, RelationHeader sourceHeader)
{
if (buffer == null)
{
throw new ArgumentNullException(nameof(buffer));
}
if (buffer.Store == null)
{
throw CommandException.NoSchemaStoreAttached();
}
IRelation relation = new Relation(buffer.Store.From(source), sourceHeader);
buffer.Update(relation);
return(buffer);
}
public static CommandBuffer Update <TSource>(this CommandBuffer buffer, TSource source, IEnumerable <string> sourceHeader)
{
if (buffer == null)
{
throw new ArgumentNullException(nameof(buffer));
}
if (buffer.Store == null)
{
throw CommandException.NoSchemaStoreAttached();
}
ISchema schema = buffer.Store.GetSchema(typeof(TSource));
buffer.Update(source, schema.Select(sourceHeader));
return(buffer);
}
public static CommandBuffer Update(this CommandBuffer buffer, IRelation relation)
{
if (buffer == null)
{
throw new ArgumentNullException(nameof(buffer));
}
if (relation == null)
{
throw new ArgumentNullException(nameof(buffer));
}
if (buffer.Store == null)
{
throw CommandException.NoSchemaStoreAttached();
}
using IDataReader dataReader = relation.GetDataReader();
buffer.Update(dataReader);
return(buffer);
}