Struct JsonlMetadataSink 

pub struct JsonlMetadataSink<W> { /* private fields */ }

Metadata sink that writes one stable JSON object per line.

Implementations

impl<W> JsonlMetadataSink<W>

pub const fn new(writer: W) -> Self

Create a JSONL metadata sink around an existing writer.

pub fn into_inner(self) -> Result<W>

Return the wrapped writer.

Errors

Returns an error if a prior panic poisoned the writer lock.

impl<W> JsonlMetadataSink<W>

where W: Write,

pub fn flush(&self) -> Result<()>

Flush the wrapped writer.

Errors

Returns an error if the writer cannot flush buffered metadata.

impl JsonlMetadataSink<BufWriter<File>>

pub fn create(path: impl AsRef<Path>) -> Result<Self>

Create a file-backed JSONL metadata sink, truncating any existing file.

Errors

Returns an error if the file cannot be created.

Trait Implementations

impl<W: Debug> Debug for JsonlMetadataSink<W>

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

Formats the value using the given formatter.

impl<W> MetadataSink for JsonlMetadataSink<W>

where W: Write + Send,

fn record(&self, record: &MetadataRecord) -> Result<()>

Record one metadata fact.