fix output annotation

Project.toml

@@ -1,6 +1,6 @@
 name = "NATSBridge"
 uuid = "f2724d33-f338-4a57-b9f8-1be882570d10"
-version = "0.4.4"
+version = "0.4.5"
 authors = ["narawat <narawat@gmail.com>"]
 
 [deps]

README.md

@@ -249,8 +249,8 @@ env, env_json_str = NATSBridge.smartsend(
     msg_id::String = string(uuid4()),  # Message ID (auto-generated UUID)
     sender_id::String = string(uuid4())  # Sender ID (auto-generated UUID)
 )
-# Returns: (msgEnvelope_v1, JSON string)
+# Returns: ::Tuple{msg_envelope_v1, String}
-# - env: msgEnvelope_v1 object with all envelope metadata and payloads
+# - env: msg_envelope_v1 object with all envelope metadata and payloads
 # - env_json_str: JSON string representation of the envelope for publishing
 ```
 
@@ -271,7 +271,7 @@ env = NATSBridge.smartreceive(
     base_delay::Int = 100,
     max_delay::Int = 5000
 )
-# Returns: Dict with envelope metadata and payloads array
+# Returns: ::JSON.Object{String, Any} - key-value structure resemble msg_envelope_v1
 ```
 
 ### publish_message

docs/architecture.md

@@ -99,11 +99,12 @@ smartsend(
     broker_url="nats://localhost:4222"
 )
 
-# Receive returns a dictionary envelope with all metadata and deserialized payloads
+# Receive returns a JSON object envelope with all metadata and deserialized payloads
 env = smartreceive(msg; fileserver_download_handler=_fetch_with_backoff, max_retries=5, base_delay=100, max_delay=5000)
+# Returns: ::JSON.Object{String, Any} - key-value structure resemble msg_envelope_v1
 # env["payloads"] = [("dataname1", data1, type1), ("dataname2", data2, type2), ...]
 # env["correlation_id"], env["msg_id"], etc.
-# env is a dictionary containing envelope metadata and payloads field
+# env is a JSON object containing envelope metadata and payloads field
 ```
 
 ## Architecture Diagram

docs/implementation.md

@@ -105,11 +105,12 @@ smartsend(
     broker_url="nats://localhost:4222"
 )
 
-# Receive returns a dictionary envelope with all metadata and deserialized payloads
+# Receive returns a JSON object envelope with all metadata and deserialized payloads
 env = smartreceive(msg; fileserver_download_handler=_fetch_with_backoff, max_retries=5, base_delay=100, max_delay=5000)
+# Returns: ::JSON.Object{String, Any} - key-value structure resemble msg_envelope_v1
 # env["payloads"] = [("dataname1", data1, type1), ("dataname2", data2, type2), ...]
 # env["correlation_id"], env["msg_id"], etc.
-# env is a dictionary containing envelope metadata and payloads field
+# env is a JSON object containing envelope metadata and payloads field
 ```
 
 ## Architecture
@@ -147,6 +148,7 @@ The `smartsend` function now returns a tuple containing both the envelope object
 
 ```julia
 env, env_json_str = smartsend(...)
+# Returns: ::Tuple{msg_envelope_v1, String}
 # env::msg_envelope_v1    - The envelope object with all metadata and payloads
 # env_json_str::String    - JSON string for publishing to NATS
 ```
@@ -280,8 +282,9 @@ smartsend("/test", [("single_data", mydata, "dictionary")], broker_url="nats://l
 ```julia
 using NATSBridge
 
-# Receive returns a dictionary with envelope metadata and payloads field
+# Receive returns a JSON object with envelope metadata and payloads field
 env = smartreceive(msg)
+# Returns: ::JSON.Object{String, Any} - key-value structure resemble msg_envelope_v1
 # env["payloads"] = [(dataname1, data1, "dictionary"), (dataname2, data2, "table"), ...]
 ```
 

examples/tutorial.md

@@ -107,6 +107,7 @@ using NATSBridge
 
 # Receive and process message
 env = smartreceive(msg; fileserver_download_handler=_fetch_with_backoff)
+# Returns: ::JSON.Object{String, Any} - key-value structure resemble msg_envelope_v1
 for (dataname, data, type) in env["payloads"]
     println("Received $dataname: $data")
 end

examples/walkthrough.md

@@ -163,6 +163,7 @@ end
 
 function handle_message(handler::ChatHandler, msg::NATS.Msg)
     env = smartreceive(msg, fileserver_download_handler=_fetch_with_backoff)
+    # Returns: ::JSON.Object{String, Any} - key-value structure resemble msg_envelope_v1
     
     # Extract sender info from envelope
     sender = get(env, "sender_name", "Anonymous")
@@ -281,6 +282,7 @@ end
 function download_file(service::FileDownloadService, msg::NATS.Msg, sender::String, download_id::String)
     # Subscribe to sender's file channel
     env = smartreceive(msg, fileserver_download_handler=fetch_from_url)
+    # Returns: ::JSON.Object{String, Any} - key-value structure resemble msg_envelope_v1
     
     # Process each payload
     for (dataname, data, type) in env["payloads"]
@@ -518,6 +520,7 @@ end
 
 function process_reading(receiver::SensorReceiver, msg::NATS.Msg)
     env = smartreceive(msg, receiver.fileserver_download_handler)
+    # Returns: ::JSON.Object{String, Any} - key-value structure resemble msg_envelope_v1
     
     for (dataname, data, data_type) in env["payloads"]
         if data_type == "dictionary"

src/NATSBridge.jl

@@ -388,7 +388,7 @@ Each payload can have a different type, enabling mixed-content messages (e.g., c
    - `sender_id::String = string(uuid4())` - Sender ID (auto-generated UUID if not provided)
 
 # Return:
-  - A tuple `(env, env_json_str)` where:
+  - `::Tuple{msg_envelope_v1, String}` - A tuple containing:
     - `env::msg_envelope_v1` - The envelope object containing all metadata and payloads
     - `env_json_str::String` - JSON string representation of the envelope for publishing
 
@@ -447,7 +447,7 @@ function smartsend(
   NATS_connection::Union{NATS.Connection, Nothing} = nothing,  # a provided connection saves establishing connection overhead.
   msg_id::String = string(uuid4()),  # Message ID
   sender_id::String = string(uuid4())  # Sender ID
-) where {T1<:Any}
+)::Tuple{msg_envelope_v1, String} where {T1<:Any}
 
   # Log start of send operation
   log_trace(correlation_id, "Starting smartsend for subject: $subject")
@@ -754,14 +754,14 @@ A HTTP file server is required along with its download function.
   - `max_delay::Int = 5000` - Maximum delay for exponential backoff in ms
 
 # Return:
-   - JSON object of envelope with list of (dataname, data, data_type) tuples in payloads field
+   - `::JSON.Object{String, Any}` - key-value structure resemble msg_envelope_v1
 
 # Example
 ```jldoctest
 # Receive and process message
 msg = nats_message  # NATS message
-payloads = smartreceive(msg; fileserver_download_handler=_fetch_with_backoff, max_retries=5, base_delay=100, max_delay=5000)
+env = smartreceive(msg; fileserver_download_handler=_fetch_with_backoff, max_retries=5, base_delay=100, max_delay=5000)
-# payloads = [("dataname1", data1, "type1"), ("dataname2", data2, "type2"), ...]
+# env["payloads"] = [("dataname1", data1, "type1"), ("dataname2", data2, "type2"), ...]
 ```
 """
 function smartreceive(
@@ -770,7 +770,7 @@ function smartreceive(
   max_retries::Int = 5,
   base_delay::Int = 100,
   max_delay::Int = 5000
-)
+)::JSON.Object{String, Any}
   # Parse the JSON envelope
   env_json_obj = JSON.parse(String(msg.payload))
   log_trace(env_json_obj["correlation_id"], "Processing received message")  # Log message processing start
@@ -818,7 +818,7 @@ function smartreceive(
     end
   end
   env_json_obj["payloads"] = payloads_list
-  return env_json_obj  # JSON object of envelope with list of (dataname, data, data_type) tuples in payloads field
+  return env_json_obj  # key-value structure resemble msg_envelope_v1
 end
 
 

test/test_julia_mix_payloads_sender.jl

@@ -186,7 +186,7 @@ function test_mix_send()
     ]
     
     # Use smartsend with mixed content
-    env, env_json_str = NATSBridge.smartsend(
+    sendinfo = NATSBridge.smartsend(
         SUBJECT,
         payloads;  # List of (dataname, data, type) tuples
         broker_url = NATS_URL,
@@ -202,7 +202,8 @@ function test_mix_send()
         reply_to_msg_id = "",
         is_publish = true  # Publish the message to NATS
     )
-    
+
+    env, env_json_str = sendinfo
     log_trace("Sent message with $(length(env.payloads)) payloads")
     
     # Log transport type for each payload