Struct ReviewWriter

pub struct ReviewWriter {
    writer: TableWriter<ReviewRecord>,
    users: IdIndex<String>,
    books: HashMap<i32, BookLinkRecord>,
    n_recs: u32,
}

Fields

writer: TableWriter<ReviewRecord>

users: IdIndex<String>

books: HashMap<i32, BookLinkRecord>

n_recs: u32

Implementations

impl ReviewWriter

pub fn open() -> Result<ReviewWriter>

Trait Implementations

impl DataSink for ReviewWriter

fn output_files(&self) -> Vec<PathBuf>

Get the output files for the sink.

fn input_files(&self) -> Vec<PathBuf>

Get auxillary input files for the sink.

impl ObjectWriter<RawReview> for ReviewWriter

fn write_object(&mut self, row: RawReview) -> Result<()>

Write one object.

fn finish(self) -> Result<usize>

Finish and close the target.

fn write_all_objects<I>(&mut self, objects: I) -> Result<usize>

where I: Iterator<Item = T>,

Write an iterator full of objects.

fn write_and_finish<I>(self, objects: I) -> Result<usize>

where I: Iterator<Item = T>,

Write an iterator of objects and finish the writer.

fn with_transform<F, T2>(self, transform: F) -> MapWriter<F, T2, T, Self>

where F: Fn(T2) -> Result<T>,

Wrap this object writer in a transformed writer.