public static Task <TEntity> SingleOrDefaultAsync <TKey, TEntity>(this IQueryStore <TKey, TEntity> queryStore, IStorageDbConnection conn, TKey value, CancellationToken cancellationToken)
where TKey : IEquatable <TKey>
where TEntity : class, IEntity <TKey>
{
if (queryStore == null)
{
throw new ArgumentNullException(nameof(queryStore));
}
return(queryStore.SingleOrDefaultAsync(conn, null, _ => _.Id, value, null, cancellationToken));
}
public static Task <TEntity> SingleOrDefaultAsync <TKey, TEntity>(this IQueryStore <TKey, TEntity> queryStore, IStorageDbConnection conn, Expression <Func <TEntity, object> > id, TKey value, IDbTransaction tr, CancellationToken cancellationToken)
where TKey : IEquatable <TKey>
where TEntity : class, IEntity <TKey>
{
if (queryStore == null)
{
throw new ArgumentNullException(nameof(queryStore));
}
return(queryStore.SingleOrDefaultAsync(conn, null, id, value, tr, cancellationToken));
}
public static Task <TEntity> SingleOrDefaultAsync <TKey, TEntity>(this IQueryStore <TKey, TEntity> queryStore, IStorageDbConnection conn, IEnumerable <Expression <Func <TEntity, object> > > selectFields, TKey value)
where TKey : IEquatable <TKey>
where TEntity : class, IEntity <TKey>
{
if (queryStore == null)
{
throw new ArgumentNullException(nameof(queryStore));
}
return(queryStore.SingleOrDefaultAsync(conn, selectFields, _ => _.Id, value, null, default(CancellationToken)));
}
