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use futures::executor::block_on;
use dataflow_types::DecodeError;
use interchange::avro::Decoder;
use repr::Row;
#[derive(Debug)]
pub struct AvroDecoderState {
decoder: Decoder,
events_success: i64,
}
impl AvroDecoderState {
#[allow(clippy::too_many_arguments)]
pub fn new(
value_schema: &str,
schema_registry_config: Option<ccsr::ClientConfig>,
debug_name: String,
confluent_wire_format: bool,
) -> Result<Self, anyhow::Error> {
Ok(AvroDecoderState {
decoder: Decoder::new(
value_schema,
schema_registry_config,
debug_name,
confluent_wire_format,
)?,
events_success: 0,
})
}
pub fn decode(&mut self, bytes: &mut &[u8]) -> Result<Option<Row>, DecodeError> {
match block_on(self.decoder.decode(bytes)) {
Ok(row) => {
self.events_success += 1;
Ok(Some(row))
}
Err(err) => Err(DecodeError::Text(format!(
"avro deserialization error: {:#}",
err
))),
}
}
}