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use dora_node_api::{self, dora_core::config::DataId, DoraNode, Event, IntoArrow};
use eyre::Context;
fn main() -> eyre::Result<()> {
println!("hello");
let status_output = DataId::from("status".to_owned());
let (mut node, mut events) = DoraNode::init_from_env()?;
let mut ticks = 0;
while let Some(event) = events.recv() {
match event {
Event::Input { id, metadata, data } => match id.as_ref() {
"tick" => {
ticks += 1;
}
"random" => {
let value = u64::try_from(&data).context("unexpected data type")?;
let output = format!(
"operator received random value {value:#x} after {} ticks",
ticks
);
node.send_output(
status_output.clone(),
metadata.parameters,
output.into_arrow(),
)?;
}
other => eprintln!("ignoring unexpected input {other}"),
},
Event::Stop => {}
Event::InputClosed { id } => {
println!("input `{id}` was closed");
if *id == "random" {
println!("`random` input was closed -> exiting");
break;
}
}
other => {
println!("received unknown event {other:?}");
}
}
}
Ok(())
}
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