internal static bool TryGetEntity <TEntityType>(Type?type, out EntityDefinition <TEntityType>?entityDefinition) where TEntityType : class
{
var success = _cachedEntities.TryGetValue(type ?? typeof(TEntityType), out var tempEntity);
entityDefinition = tempEntity as EntityDefinition <TEntityType>;
return(success);
}
private static async ValueTask <ulong> CompleteAndWriteRelationValues <TEntity>(NpgsqlConnection connection, NpgsqlBinaryImporter binaryImporter, EntityDefinition <TEntity> entityDefinition, IEnumerable <TEntity> entities, CancellationToken cancellationToken) where TEntity : class
{
ulong insertCount = await binaryImporter.CompleteAsync(cancellationToken);
await binaryImporter.DisposeAsync();
for (int columnIndex = 0; columnIndex < entityDefinition.ForeignColumnDefinitions.Count; columnIndex++)
{
var column = entityDefinition.ForeignColumnDefinitions[columnIndex];
insertCount += await column.WriteValues(entities, connection, cancellationToken);
}
return(insertCount);
}
internal static bool TryAddEntity <TEntityType>(EntityDefinition <TEntityType> entityDefinition, Type?type = null) where TEntityType : class
{
return(_cachedEntities.TryAdd(type ?? typeof(TEntityType), entityDefinition));
}
private static async ValueTask <ulong> PerformCopy <TEntity>(NpgsqlConnection connection, EntityDefinition <TEntity> entityDefinition, IEnumerable <TEntity> entities, string command, CancellationToken cancellationToken) where TEntity : class
{
var binaryImporter = connection.BeginBinaryImport(command);
foreach (var entity in entities)
{
await binaryImporter.StartRowAsync();
for (int entityColumnIndex = 0; entityColumnIndex < entityDefinition.ColumnDefinitions.Count; entityColumnIndex++)
{
var entityColumn = entityDefinition.ColumnDefinitions[entityColumnIndex];
await entityColumn.WriteValues(entity, binaryImporter, cancellationToken);
}
}
return(await CompleteAndWriteRelationValues(connection, binaryImporter, entityDefinition, entities, cancellationToken));
}