refactor: simplify the interface for behavior version

rust/cocoindex/src/builder/analyzer.rs

@@ -797,25 +797,28 @@ impl AnalyzerContext {
                     .iter()
                     .map(|field| field.analyzed_value.clone())
                     .collect();
-                let (output_enriched_type, executor) = fn_executor
+                let build_output = fn_executor
                     .build(spec, input_field_schemas, self.flow_ctx.clone())
                     .await?;
+                let output_type = build_output.output_type.typ.clone();
                 let logic_fingerprinter = Fingerprinter::default()
                     .with(&op.op)?
-                    .with(&output_enriched_type.without_attrs())?;
-                let output_type = output_enriched_type.typ.clone();
+                    .with(&build_output.output_type.without_attrs())?
+                    .with(&build_output.behavior_version)?;
                 let output =
-                    op_scope.add_op_output(reactive_op_name.clone(), output_enriched_type)?;
+                    op_scope.add_op_output(reactive_op_name.clone(), build_output.output_type)?;
                 let op_name = reactive_op_name.clone();
                 let op_kind = op.op.kind.clone();
+
                 let execution_options_timeout = op.execution_options.timeout;
+
+                let behavior_version = build_output.behavior_version;
                 async move {
                             trace!("Start building executor for transform op `{op_name}`");
-                            let executor = executor.await.with_context(|| {
+                            let executor = build_output.executor.await.with_context(|| {
                                 format!("Preparing for transform op: {op_name}")
                             })?;
                             let enable_cache = executor.enable_cache();
-                            let behavior_version = executor.behavior_version();
                             let timeout = executor.timeout()
                                 .or(execution_options_timeout)
                                 .or(Some(TIMEOUT_THRESHOLD));
@@ -824,8 +827,7 @@ impl AnalyzerContext {
                                 enable_cache,
                                 timeout,
                                 behavior_version,
-                                fingerprinter: logic_fingerprinter
-                                    .with(&behavior_version)?,
+                                fingerprinter: logic_fingerprinter,
                                 output_type
                             };
                             if function_exec_info.enable_cache

rust/cocoindex/src/ops/factory_bases.rs

@@ -266,24 +266,30 @@ impl<T: SourceFactoryBase> SourceFactory for T {
 // Function
 ////////////////////////////////////////////////////////
 
+pub struct SimpleFunctionAnalysisOutput<T: Send + Sync> {
+    pub resolved_args: T,
+    pub output_schema: EnrichedValueType,
+    pub behavior_version: Option<u32>,
+}
+
 #[async_trait]
 pub trait SimpleFunctionFactoryBase: SimpleFunctionFactory + Send + Sync + 'static {
     type Spec: DeserializeOwned + Send + Sync;
     type ResolvedArgs: Send + Sync;
 
     fn name(&self) -> &str;
 
-    async fn resolve_schema<'a>(
+    async fn analyze<'a>(
         &'a self,
         spec: &'a Self::Spec,
         args_resolver: &mut OpArgsResolver<'a>,
         context: &FlowInstanceContext,
-    ) -> Result<(Self::ResolvedArgs, EnrichedValueType)>;
+    ) -> Result<SimpleFunctionAnalysisOutput<Self::ResolvedArgs>>;
 
     async fn build_executor(
         self: Arc<Self>,
         spec: Self::Spec,
-        resolved_input_schema: Self::ResolvedArgs,
+        resolved_args: Self::ResolvedArgs,
         context: Arc<FlowInstanceContext>,
     ) -> Result<impl SimpleFunctionExecutor>;
 
@@ -317,10 +323,6 @@ impl<E: SimpleFunctionExecutor> SimpleFunctionExecutor for FunctionExecutorWrapp
     fn enable_cache(&self) -> bool {
         self.executor.enable_cache()
     }
-
-    fn behavior_version(&self) -> Option<u32> {
-        self.executor.behavior_version()
-    }
 }
 
 #[async_trait]
@@ -330,10 +332,7 @@ impl<T: SimpleFunctionFactoryBase> SimpleFunctionFactory for T {
         spec: serde_json::Value,
         input_schema: Vec<OpArgSchema>,
         context: Arc<FlowInstanceContext>,
-    ) -> Result<(
-        EnrichedValueType,
-        BoxFuture<'static, Result<Box<dyn SimpleFunctionExecutor>>>,
-    )> {
+    ) -> Result<SimpleFunctionBuildOutput> {
         let spec: T::Spec = utils::deser::from_json_value(spec)
             .with_context(|| format!("Failed in parsing spec for function `{}`", self.name()))?;
         let mut nonnull_args_idx = vec![];
@@ -343,9 +342,11 @@ impl<T: SimpleFunctionFactoryBase> SimpleFunctionFactory for T {
             &mut nonnull_args_idx,
             &mut may_nullify_output,
         )?;
-        let (resolved_input_schema, mut output_schema) = self
-            .resolve_schema(&spec, &mut args_resolver, &context)
-            .await?;
+        let SimpleFunctionAnalysisOutput {
+            resolved_args,
+            mut output_schema,
+            behavior_version,
+        } = self.analyze(&spec, &mut args_resolver, &context).await?;
         args_resolver.done()?;
 
         // If any required argument is nullable, the output schema should be nullable.
@@ -355,13 +356,15 @@ impl<T: SimpleFunctionFactoryBase> SimpleFunctionFactory for T {
 
         let executor = async move {
             Ok(Box::new(FunctionExecutorWrapper {
-                executor: self
-                    .build_executor(spec, resolved_input_schema, context)
-                    .await?,
+                executor: self.build_executor(spec, resolved_args, context).await?,
                 nonnull_args_idx,
             }) as Box<dyn SimpleFunctionExecutor>)
         };
-        Ok((output_schema, Box::pin(executor)))
+        Ok(SimpleFunctionBuildOutput {
+            output_type: output_schema,
+            behavior_version,
+            executor: Box::pin(executor),
+        })
     }
 }
 
@@ -373,10 +376,6 @@ pub trait BatchedFunctionExecutor: Send + Sync + Sized + 'static {
         false
     }
 
-    fn behavior_version(&self) -> Option<u32> {
-        None
-    }
-
     fn timeout(&self) -> Option<std::time::Duration> {
         None
     }
@@ -406,19 +405,16 @@ impl<E: BatchedFunctionExecutor> batching::Runner for BatchedFunctionExecutorRun
 struct BatchedFunctionExecutorWrapper<E: BatchedFunctionExecutor> {
     batcher: batching::Batcher<BatchedFunctionExecutorRunner<E>>,
     enable_cache: bool,
-    behavior_version: Option<u32>,
     timeout: Option<std::time::Duration>,
 }
 
 impl<E: BatchedFunctionExecutor> BatchedFunctionExecutorWrapper<E> {
     fn new(executor: E) -> Self {
         let batching_options = executor.batching_options();
         let enable_cache = executor.enable_cache();
-        let behavior_version = executor.behavior_version();
         let timeout = executor.timeout();
         Self {
             enable_cache,
-            behavior_version,
             timeout,
             batcher: batching::Batcher::new(
                 BatchedFunctionExecutorRunner(executor),
@@ -437,9 +433,6 @@ impl<E: BatchedFunctionExecutor> SimpleFunctionExecutor for BatchedFunctionExecu
     fn enable_cache(&self) -> bool {
         self.enable_cache
     }
-    fn behavior_version(&self) -> Option<u32> {
-        self.behavior_version
-    }
     fn timeout(&self) -> Option<std::time::Duration> {
         self.timeout
     }

rust/cocoindex/src/ops/functions/detect_program_lang.rs

@@ -35,12 +35,12 @@ impl SimpleFunctionFactoryBase for Factory {
         "DetectProgrammingLanguage"
     }
 
-    async fn resolve_schema<'a>(
+    async fn analyze<'a>(
         &'a self,
         _spec: &'a EmptySpec,
         args_resolver: &mut OpArgsResolver<'a>,
         _context: &FlowInstanceContext,
-    ) -> Result<(Args, EnrichedValueType)> {
+    ) -> Result<SimpleFunctionAnalysisOutput<Args>> {
         let args = Args {
             filename: args_resolver
                 .next_arg("filename")?
@@ -49,7 +49,11 @@ impl SimpleFunctionFactoryBase for Factory {
         };
 
         let output_schema = make_output_type(BasicValueType::Str);
-        Ok((args, output_schema))
+        Ok(SimpleFunctionAnalysisOutput {
+            resolved_args: args,
+            output_schema,
+            behavior_version: None,
+        })
     }
 
     async fn build_executor(

rust/cocoindex/src/ops/functions/embed_text.rs

@@ -28,10 +28,6 @@ struct Executor {
 
 #[async_trait]
 impl BatchedFunctionExecutor for Executor {
-    fn behavior_version(&self) -> Option<u32> {
-        self.args.client.behavior_version()
-    }
-
     fn enable_cache(&self) -> bool {
         true
     }
@@ -108,12 +104,12 @@ impl SimpleFunctionFactoryBase for Factory {
         "EmbedText"
     }
 
-    async fn resolve_schema<'a>(
+    async fn analyze<'a>(
         &'a self,
         spec: &'a Spec,
         args_resolver: &mut OpArgsResolver<'a>,
         _context: &FlowInstanceContext,
-    ) -> Result<(Self::ResolvedArgs, EnrichedValueType)> {
+    ) -> Result<SimpleFunctionAnalysisOutput<Self::ResolvedArgs>> {
         let text = args_resolver
             .next_arg("text")?
             .expect_type(&ValueType::Basic(BasicValueType::Str))?
@@ -132,14 +128,15 @@ impl SimpleFunctionFactoryBase for Factory {
             dimension: Some(output_dimension as usize),
             element_type: Box::new(BasicValueType::Float32),
         }));
-        Ok((
-            Args {
+        Ok(SimpleFunctionAnalysisOutput {
+            behavior_version: client.behavior_version(),
+            resolved_args: Args {
                 client,
                 text,
                 expected_output_dimension: output_dimension as usize,
             },
             output_schema,
-        ))
+        })
     }
 
     async fn build_executor(

rust/cocoindex/src/ops/functions/extract_by_llm.rs

@@ -72,10 +72,6 @@ impl Executor {
 
 #[async_trait]
 impl SimpleFunctionExecutor for Executor {
-    fn behavior_version(&self) -> Option<u32> {
-        Some(1)
-    }
-
     fn enable_cache(&self) -> bool {
         true
     }
@@ -130,12 +126,12 @@ impl SimpleFunctionFactoryBase for Factory {
         "ExtractByLlm"
     }
 
-    async fn resolve_schema<'a>(
+    async fn analyze<'a>(
         &'a self,
         spec: &'a Spec,
         args_resolver: &mut OpArgsResolver<'a>,
         _context: &FlowInstanceContext,
-    ) -> Result<(Args, EnrichedValueType)> {
+    ) -> Result<SimpleFunctionAnalysisOutput<Args>> {
         let args = Args {
             text: args_resolver
                 .next_arg("text")?
@@ -157,7 +153,11 @@ impl SimpleFunctionFactoryBase for Factory {
         {
             output_type.nullable = true;
         }
-        Ok((args, output_type))
+        Ok(SimpleFunctionAnalysisOutput {
+            resolved_args: args,
+            output_schema: output_type,
+            behavior_version: Some(1),
+        })
     }
 
     async fn build_executor(

rust/cocoindex/src/ops/functions/parse_json.rs

@@ -74,12 +74,12 @@ impl SimpleFunctionFactoryBase for Factory {
         "ParseJson"
     }
 
-    async fn resolve_schema<'a>(
+    async fn analyze<'a>(
         &'a self,
         _spec: &'a EmptySpec,
         args_resolver: &mut OpArgsResolver<'a>,
         _context: &FlowInstanceContext,
-    ) -> Result<(Args, EnrichedValueType)> {
+    ) -> Result<SimpleFunctionAnalysisOutput<Args>> {
         let args = Args {
             text: args_resolver
                 .next_arg("text")?
@@ -92,7 +92,11 @@ impl SimpleFunctionFactoryBase for Factory {
         };
 
         let output_schema = make_output_type(BasicValueType::Json);
-        Ok((args, output_schema))
+        Ok(SimpleFunctionAnalysisOutput {
+            resolved_args: args,
+            output_schema,
+            behavior_version: None,
+        })
     }
 
     async fn build_executor(

rust/cocoindex/src/ops/functions/split_by_separators.rs

@@ -138,12 +138,12 @@ impl SimpleFunctionFactoryBase for Factory {
         "SplitBySeparators"
     }
 
-    async fn resolve_schema<'a>(
+    async fn analyze<'a>(
         &'a self,
         _spec: &'a Spec,
         args_resolver: &mut OpArgsResolver<'a>,
         _context: &FlowInstanceContext,
-    ) -> Result<(Args, EnrichedValueType)> {
+    ) -> Result<SimpleFunctionAnalysisOutput<Args>> {
         // one required arg: text: Str
         let args = Args {
             text: args_resolver
@@ -153,7 +153,11 @@ impl SimpleFunctionFactoryBase for Factory {
         };
 
         let output_schema = make_common_chunk_schema(args_resolver, &args.text)?;
-        Ok((args, output_schema))
+        Ok(SimpleFunctionAnalysisOutput {
+            resolved_args: args,
+            output_schema,
+            behavior_version: None,
+        })
     }
 
     async fn build_executor(

rust/cocoindex/src/ops/functions/split_recursively.rs

@@ -732,12 +732,12 @@ impl SimpleFunctionFactoryBase for Factory {
         "SplitRecursively"
     }
 
-    async fn resolve_schema<'a>(
+    async fn analyze<'a>(
         &'a self,
         _spec: &'a Spec,
         args_resolver: &mut OpArgsResolver<'a>,
         _context: &FlowInstanceContext,
-    ) -> Result<(Args, EnrichedValueType)> {
+    ) -> Result<SimpleFunctionAnalysisOutput<Args>> {
         let args = Args {
             text: args_resolver
                 .next_arg("text")?
@@ -763,7 +763,11 @@ impl SimpleFunctionFactoryBase for Factory {
 
         let output_schema =
             crate::ops::shared::split::make_common_chunk_schema(args_resolver, &args.text)?;
-        Ok((args, output_schema))
+        Ok(SimpleFunctionAnalysisOutput {
+            resolved_args: args,
+            output_schema,
+            behavior_version: None,
+        })
     }
 
     async fn build_executor(

rust/cocoindex/src/ops/functions/test_utils.rs

@@ -48,11 +48,11 @@ pub async fn test_flow_function(
         auth_registry: Arc::new(AuthRegistry::default()),
         py_exec_ctx: None,
     });
-    let (_, exec_fut) = factory
+    let build_output = factory
         .clone()
         .build(serde_json::to_value(spec)?, op_arg_schemas, context)
         .await?;
-    let executor = exec_fut.await?;
+    let executor = build_output.executor.await?;
 
     // 3. Evaluate
     let result = executor.evaluate(input_arg_values).await?;