/// <summary>
/// Fetch the entity version and last modified time from the database
/// </summary>
/// <param name="entity"></param>
/// <returns></returns>
public DocumentMetadata MetadataFor <T>(T entity)
{
if (entity == null)
{
throw new ArgumentNullException(nameof(entity));
}
var handler = new EntityMetadataQueryHandler(entity, _schema.StorageFor(typeof(T)),
_schema.MappingFor(typeof(T)));
using (var connection = OpenConnection())
{
return(connection.Fetch(handler, null));
}
}
/// <summary>
/// Fetch the entity version and last modified time from the database
/// </summary>
/// <param name="entity"></param>
/// <param name="token"></param>
/// <returns></returns>
public async Task <DocumentMetadata> MetadataForAsync <T>(T entity, CancellationToken token = default(CancellationToken))
{
if (entity == null)
{
throw new ArgumentNullException(nameof(entity));
}
var handler = new EntityMetadataQueryHandler(entity, _schema.StorageFor(typeof(T)),
_schema.MappingFor(typeof(T)));
using (var connection = OpenConnection())
{
return(await connection.FetchAsync(handler, null, null, token).ConfigureAwait(false));
}
}
