Struct CatalogMetadata 

pub struct CatalogMetadata {
    pub schema_version: u32,
    pub generated_at_unix: u64,
    pub current_hash: String,
    pub previous_hash: String,
    pub package_count: usize,
    pub source_counts: BTreeMap<String, usize>,
}

Summary metadata for a generated catalog snapshot.

Fields

schema_version: u32

Schema version of the persisted metadata envelope.

generated_at_unix: u64

Unix timestamp captured when the metadata was generated.

current_hash: String

Hash of the current catalog payload.

previous_hash: String

Hash of the previous catalog payload, when known.

package_count: usize

Total package count in the snapshot.

source_counts: BTreeMap<String, usize>

Number of packages by source name.

Implementations

impl CatalogMetadata

pub fn build_from_counts( package_count: usize, source_counts: BTreeMap<String, usize>, current_hash: String, ) -> Self

Build metadata from aggregate counts and the current payload hash.

pub fn validate(&self) -> Result<(), ModelError>

Validate the schema version and the required hash contract.

Trait Implementations

impl Clone for CatalogMetadata

fn clone(&self) -> CatalogMetadata

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for CatalogMetadata

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for CatalogMetadata

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for CatalogMetadata

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.