Struct SignatureDatabase 

pub struct SignatureDatabase { /* private fields */ }

An in-memory database of ContentSignature values.

Implementations

impl SignatureDatabase

pub fn new() -> Self

Create a new, empty database.

pub fn store(&mut self, sig: ContentSignature)

Store a signature, appending it to the list for its asset_id.

pub fn lookup(&self, asset_id: &str) -> &[ContentSignature]

Look up all signatures associated with asset_id.

pub fn match_count(&self) -> usize

Return the total number of signatures stored across all assets.

pub fn find_matches( &self, query: &ContentSignature, tolerance: u32, ) -> Vec<(String, usize)>

Find all assets whose signatures match query within tolerance.

Returns a list of (asset_id, matching_signature_count) pairs.

pub fn remove_asset(&mut self, asset_id: &str) -> Vec<ContentSignature>

Remove all signatures for asset_id, returning the removed list.

pub fn asset_count(&self) -> usize

Return the number of distinct assets tracked.

Trait Implementations

impl Debug for SignatureDatabase

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for SignatureDatabase

fn default() -> SignatureDatabase

Returns the “default value” for a type.