use std::any::Any;
use std::collections::HashMap;
use std::sync::Arc;
use streamweave::graph;
use streamweave::graph::Graph;
use streamweave::nodes::object::object_set_property_node::ObjectSetPropertyNode;
use tokio::sync::mpsc;
#[tokio::main]
async fn main() -> Result<(), Box<dyn std::error::Error>> {
let (config_tx, config_rx) = mpsc::channel(1);
let (in_tx, in_rx) = mpsc::channel(10);
let (key_tx, key_rx) = mpsc::channel(10);
let (value_tx, value_rx) = mpsc::channel(10);
let (out_tx, mut out_rx) = mpsc::channel::<Arc<dyn Any + Send + Sync>>(10);
let (error_tx, mut error_rx) = mpsc::channel::<Arc<dyn Any + Send + Sync>>(10);
let mut graph: Graph = graph! {
set: ObjectSetPropertyNode::new("set".to_string()),
graph.configuration => set.configuration,
graph.input => set.in,
graph.key => set.key,
graph.value => set.value,
set.out => graph.output,
set.error => graph.error
};
graph.connect_input_channel("configuration", config_rx)?;
graph.connect_input_channel("input", in_rx)?;
graph.connect_input_channel("key", key_rx)?;
graph.connect_input_channel("value", value_rx)?;
graph.connect_output_channel("output", out_tx)?;
graph.connect_output_channel("error", error_tx)?;
println!("โ Graph built with ObjectSetPropertyNode using Graph API");
let _ = config_tx
.send(Arc::new(()) as Arc<dyn Any + Send + Sync>)
.await;
println!("\n๐งช Testing object property setting...");
println!(" Test 1: Set new 'city' property in person object");
let mut obj1 = HashMap::new();
obj1.insert(
"name".to_string(),
Arc::new("Alice".to_string()) as Arc<dyn Any + Send + Sync>,
);
obj1.insert(
"age".to_string(),
Arc::new(30i64) as Arc<dyn Any + Send + Sync>,
);
let _ = in_tx
.send(Arc::new(obj1) as Arc<dyn Any + Send + Sync>)
.await;
let _ = key_tx
.send(Arc::new("city".to_string()) as Arc<dyn Any + Send + Sync>)
.await;
let _ = value_tx
.send(Arc::new("New York".to_string()) as Arc<dyn Any + Send + Sync>)
.await;
tokio::time::sleep(tokio::time::Duration::from_millis(50)).await;
println!(" Test 2: Override existing 'age' property");
let mut obj2 = HashMap::new();
obj2.insert(
"name".to_string(),
Arc::new("Bob".to_string()) as Arc<dyn Any + Send + Sync>,
);
obj2.insert(
"age".to_string(),
Arc::new(25i64) as Arc<dyn Any + Send + Sync>,
);
let _ = in_tx
.send(Arc::new(obj2) as Arc<dyn Any + Send + Sync>)
.await;
let _ = key_tx
.send(Arc::new("age".to_string()) as Arc<dyn Any + Send + Sync>)
.await;
let _ = value_tx
.send(Arc::new(26i64) as Arc<dyn Any + Send + Sync>)
.await;
tokio::time::sleep(tokio::time::Duration::from_millis(50)).await;
println!(" Test 3: Set 'active' boolean property");
let mut obj3 = HashMap::new();
obj3.insert(
"name".to_string(),
Arc::new("Charlie".to_string()) as Arc<dyn Any + Send + Sync>,
);
obj3.insert(
"score".to_string(),
Arc::new(95.5f64) as Arc<dyn Any + Send + Sync>,
);
let _ = in_tx
.send(Arc::new(obj3) as Arc<dyn Any + Send + Sync>)
.await;
let _ = key_tx
.send(Arc::new("active".to_string()) as Arc<dyn Any + Send + Sync>)
.await;
let _ = value_tx
.send(Arc::new(true) as Arc<dyn Any + Send + Sync>)
.await;
tokio::time::sleep(tokio::time::Duration::from_millis(50)).await;
println!("โ Configuration and test data sent to input channels");
println!("Executing graph with ObjectSetPropertyNode...");
let start = std::time::Instant::now();
graph
.execute()
.await
.map_err(|e| format!("Graph execution failed: {:?}", e))?;
println!("โ Graph execution completed in {:?}", start.elapsed());
drop(config_tx);
drop(in_tx);
drop(key_tx);
drop(value_tx);
println!("Reading results from output channels...");
let mut success_count = 0;
let mut error_count = 0;
let mut results_received = 0;
loop {
let out_result =
tokio::time::timeout(tokio::time::Duration::from_millis(100), out_rx.recv()).await;
let error_result =
tokio::time::timeout(tokio::time::Duration::from_millis(100), error_rx.recv()).await;
let mut has_data = false;
if let Ok(Some(item)) = out_result {
results_received += 1;
println!(" Set result {}:", results_received);
if let Ok(updated_arc) = item
.clone()
.downcast::<Arc<HashMap<String, Arc<dyn Any + Send + Sync>>>>()
{
let _updated = &**updated_arc;
let updated = &**updated_arc;
println!(" Updated object ({} properties)", updated.len());
let mut sorted_keys: Vec<&String> = updated.keys().collect();
sorted_keys.sort();
for key in sorted_keys {
if let Some(value_arc) = updated.get(key) {
if let Ok(str_value) = value_arc.clone().downcast::<String>() {
println!(" \"{}\" -> \"{}\"", key, &(**str_value));
} else if let Ok(int_value) = value_arc.clone().downcast::<i64>() {
println!(" \"{}\" -> {}", key, *int_value);
} else if let Ok(float_value) = value_arc.clone().downcast::<f64>() {
println!(" \"{}\" -> {:.1}", key, *float_value);
} else if let Ok(bool_value) = value_arc.clone().downcast::<bool>() {
println!(" \"{}\" -> {}", key, *bool_value);
} else {
println!(" \"{}\" -> <unknown type>", key);
}
}
}
success_count += 1;
} else if let Ok(updated_map) = item
.clone()
.downcast::<HashMap<String, Arc<dyn Any + Send + Sync>>>()
{
let updated = &*updated_map;
println!(" Updated object ({} properties)", updated.len());
let mut sorted_keys: Vec<&String> = updated.keys().collect();
sorted_keys.sort();
for key in sorted_keys {
if let Some(value_arc) = updated.get(key) {
if let Ok(str_value) = value_arc.clone().downcast::<String>() {
println!(" \"{}\" -> \"{}\"", key, &(**str_value));
} else if let Ok(int_value) = value_arc.clone().downcast::<i64>() {
println!(" \"{}\" -> {}", key, *int_value);
} else if let Ok(float_value) = value_arc.clone().downcast::<f64>() {
println!(" \"{}\" -> {:.1}", key, *float_value);
} else if let Ok(bool_value) = value_arc.clone().downcast::<bool>() {
println!(" \"{}\" -> {}", key, *bool_value);
} else {
println!(" \"{}\" -> <unknown type>", key);
}
}
}
success_count += 1;
} else {
println!(
" Unknown type (expected HashMap), got: {}",
std::any::type_name_of_val(&*item)
);
success_count += 1;
}
has_data = true;
}
if let Ok(Some(item)) = error_result
&& let Ok(error_msg) = item.downcast::<String>()
{
let error = (**error_msg).to_string();
println!(" Error: {}", error);
error_count += 1;
has_data = true;
}
if !has_data {
break;
}
}
println!(
"โ Received {} successful results via output channel",
success_count
);
println!("โ Received {} errors via error channel", error_count);
println!("โ Total completed in {:?}", start.elapsed());
if success_count == 3 && error_count == 0 {
println!("โ ObjectSetPropertyNode correctly set object properties");
println!(" Results should be: [name, age, city], [name, age(26)], [name, score, active]");
} else {
println!(
"โ ObjectSetPropertyNode behavior may be unexpected (successes: {}, errors: {}, expected successes: 3, errors: 0)",
success_count, error_count
);
}
Ok(())
}