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PageManager

mentedb_storage::page

Struct PageManager 

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pub struct PageManager { /* private fields */ }
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Manages a file-backed page store with free-list allocation.

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impl PageManager

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pub fn open(dir_path: &Path) -> MenteResult<Self>

Open (or create) a page file at dir_path/pages.db.

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pub fn allocate_page(&mut self) -> MenteResult<PageId>

Allocate a new page, reusing from the free list when possible.

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pub fn read_page(&mut self, page_id: PageId) -> MenteResult<Box<Page>>

Read a page from disk.

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pub fn write_page(&mut self, page_id: PageId, page: &Page) -> MenteResult<()>

Write a page to disk.

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pub fn free_page(&mut self, page_id: PageId) -> MenteResult<()>

Return a page to the free list.

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pub fn page_count(&self) -> u64

Total number of pages (including the header page).

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pub fn sync(&mut self) -> MenteResult<()>

Sync page file data to disk.

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