| // Copyright 2020 The Fuchsia Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef ZIRCON_SYSTEM_ULIB_BLOBFS_ITERATOR_BLOCK_ITERATOR_PROVIDER_H_ |
| #define ZIRCON_SYSTEM_ULIB_BLOBFS_ITERATOR_BLOCK_ITERATOR_PROVIDER_H_ |
| |
| #include <memory> |
| |
| #include "block-iterator.h" |
| |
| namespace blobfs { |
| |
| // Interface for a class that provides instances of `BlockIterator` by node index. |
| class BlockIteratorProvider { |
| public: |
| // Provide a valid `BlockIterator` for the block at node index `node_index`. |
| virtual BlockIterator BlockIteratorByNodeIndex(uint32_t node_index) = 0; |
| }; |
| |
| } // namespace blobfs |
| |
| #endif // ZIRCON_SYSTEM_ULIB_BLOBFS_ITERATOR_BLOCK_ITERATOR_PROVIDER_H_ |
