change AsynFunction to OpenFunction

Signed-off-by: wanjunlei <[email protected]>

Author: wanjunlei

functions-framework-api/src/main/java/dev/openfunction/functions/AsyncFunction.java renamed to functions-framework-api/src/main/java/dev/openfunction/functions/OpenFunction.java

@@ -17,11 +17,11 @@
 package dev.openfunction.functions;
 
 @FunctionalInterface
-public interface AsyncFunction {
+public interface OpenFunction {
 
   /**
    * Called to service an incoming event. This interface is implemented by user code to provide the
-   * action for a given asynchronous function.
+   * action for a given function.
    *
    * @param context context
    * @param payload incoming event

functions-framework-invoker/src/main/java/dev/openfunction/invoker/runtime/AsynchronousRuntime.java

@@ -43,27 +43,27 @@ public final class AsynchronousRuntime implements Runtime {
 
     private RuntimeContext runtimeContext;
 
-    private final AsyncFunction function;
+    private final OpenFunction function;
 
     private final Service service;
 
-    private AsynchronousRuntime(AsyncFunction function) {
+    private AsynchronousRuntime(OpenFunction function) {
         this.function = function;
         service = new Service();
     }
 
     public static AsynchronousRuntime forClass(Class<?> functionClass) {
-        if (!AsyncFunction.class.isAssignableFrom(functionClass)) {
+        if (!OpenFunction.class.isAssignableFrom(functionClass)) {
             throw new RuntimeException(
                     "Class "
                             + functionClass.getName()
                             + " does not implement "
-                            + HttpFunction.class.getName());
+                            + OpenFunction.class.getName());
         }
 
         try {
-            Class<? extends AsyncFunction> asyncHttpFunctionClass = functionClass.asSubclass(AsyncFunction.class);
-            return new AsynchronousRuntime(asyncHttpFunctionClass.getConstructor().newInstance());
+            Class<? extends OpenFunction> openFunctionClass = functionClass.asSubclass(OpenFunction.class);
+            return new AsynchronousRuntime(openFunctionClass.getConstructor().newInstance());
         } catch (ReflectiveOperationException e) {
             throw new RuntimeException(
                     "Could not construct an instance of " + functionClass.getName(), e);

functions-framework-invoker/src/main/java/dev/openfunction/invoker/runtime/SynchronizeRuntime.java

@@ -16,9 +16,9 @@
 
 package dev.openfunction.invoker.runtime;
 
-import dev.openfunction.functions.AsyncFunction;
 import dev.openfunction.functions.CloudEventFunction;
 import dev.openfunction.functions.HttpFunction;
+import dev.openfunction.functions.OpenFunction;
 import dev.openfunction.functions.Out;
 import dev.openfunction.invoker.context.RuntimeContext;
 import dev.openfunction.invoker.context.UserContext;
@@ -54,7 +54,7 @@ public class SynchronizeRuntime extends HttpServlet implements Runtime {
 
     private CloudEventFunction cloudEventFunction;
 
-    private AsyncFunction asyncFunction;
+    private OpenFunction openFunction;
 
     private RuntimeContext runtimeContext;
 
@@ -69,17 +69,14 @@ private SynchronizeRuntime(CloudEventFunction cloudEventFunction) {
         EventFormatProvider.getInstance().registerFormat(new JsonEventFormat());
     }
 
-    private SynchronizeRuntime(AsyncFunction asyncFunction) {
-        this.asyncFunction = asyncFunction;
-        daprClient = new DaprClientBuilder().build();
-        daprClient.waitForSidecar(WaitDaprSidecarTimeout);
+    private SynchronizeRuntime(OpenFunction openFunction) {
+        this.openFunction = openFunction;
     }
 
     /**
      * Makes a {@link SynchronizeRuntime} for the given class.
      *
      * @param functionClass function class
-     *
      * @return {@link SynchronizeRuntime}
      */
     public static SynchronizeRuntime forClass(Class<?> functionClass) {
@@ -93,10 +90,10 @@ public static SynchronizeRuntime forClass(Class<?> functionClass) {
                 Class<? extends CloudEventFunction> cloudEventFunctionClass = functionClass.asSubclass(CloudEventFunction.class);
                 CloudEventFunction cloudEventFunction = cloudEventFunctionClass.getConstructor().newInstance();
                 return new SynchronizeRuntime(cloudEventFunction);
-            } else if (AsyncFunction.class.isAssignableFrom(functionClass)) {
-                Class<? extends AsyncFunction> asyncFunctionClass = functionClass.asSubclass(AsyncFunction.class);
-                AsyncFunction asyncFunction = asyncFunctionClass.getConstructor().newInstance();
-                return new SynchronizeRuntime(asyncFunction);
+            } else if (OpenFunction.class.isAssignableFrom(functionClass)) {
+                Class<? extends OpenFunction> asyncFunctionClass = functionClass.asSubclass(OpenFunction.class);
+                OpenFunction openFunction = asyncFunctionClass.getConstructor().newInstance();
+                return new SynchronizeRuntime(openFunction);
             }
         } catch (ReflectiveOperationException e) {
             throw new Error("Could not construct an instance of " + functionClass.getName(), e);
@@ -151,9 +148,9 @@ public void service(HttpServletRequest req, HttpServletResponse res) {
                 }
 
                 respImpl.getOutputStream().write(userContext.getOut().getData().array());
-            } else if (asyncFunction != null) {
+            } else if (openFunction != null) {
                 userContext.executePrePlugins();
-                Out out = asyncFunction.accept(userContext, Arrays.toString(reqImpl.getInputStream().readAllBytes()));
+                Out out = openFunction.accept(userContext, Arrays.toString(reqImpl.getInputStream().readAllBytes()));
                 userContext.setOut(out);
                 userContext.executePostPlugins();
 
@@ -196,6 +193,12 @@ public void service(HttpServletRequest req, HttpServletResponse res) {
     public void start(RuntimeContext ctx) throws Exception {
 
         runtimeContext = ctx;
+        // create dapr client when dapr sidecar enabled.
+        if (System.getProperty("dapr.http.port") != null || System.getProperty("dapr.grpc.port") != null) {
+            daprClient = new DaprClientBuilder().build();
+            daprClient.waitForSidecar(Runtime.WaitDaprSidecarTimeout);
+        }
+
         Server server = new Server(ctx.getPort());
 
         ServletContextHandler servletContextHandler = new ServletContextHandler();

samples/src/main/java/dev/openfunction/samples/AsyncFunctionImpl.java renamed to samples/src/main/java/dev/openfunction/samples/OpenFunctionImpl.java

@@ -16,11 +16,11 @@
 
 package dev.openfunction.samples;
 
-import dev.openfunction.functions.AsyncFunction;
+import dev.openfunction.functions.OpenFunction;
 import dev.openfunction.functions.Context;
 import dev.openfunction.functions.Out;
 
-public class AsyncFunctionImpl implements AsyncFunction {
+public class OpenFunctionImpl implements OpenFunction {
 
     @Override
     public Out accept(Context context, String payload) throws Exception {

samples/src/main/resources/function/binding-function.yaml

@@ -16,7 +16,7 @@ spec:
   build:
     builder: openfunctiondev/builder-java:v2-11
     env:
-      FUNC_NAME: "dev.openfunction.samples.AsyncFunctionImpl"
+      FUNC_NAME: "dev.openfunction.samples.OpenFunctionImpl"
       FUNC_CLEAR_SOURCE: "true"
     srcRepo:
       url: "https://github.com/wanjunlei/functions-framework-java.git"

samples/src/main/resources/function/http-with-output.yaml

@@ -17,7 +17,7 @@ spec:
   build:
     builder: openfunctiondev/builder-java:v2-17
     env:
-      FUNC_NAME: "dev.openfunction.samples.HttpFunctionImpl"
+      FUNC_NAME: "dev.openfunction.samples.OpenFunctionImpl"
       FUNC_CLEAR_SOURCE: "true"
     srcRepo:
       url: "https://github.com/wanjunlei/functions-framework-java.git"

samples/src/main/resources/function/subcreibe-function.yaml

@@ -16,7 +16,7 @@ spec:
   build:
     builder: openfunctiondev/builder-java:v2-16
     env:
-      FUNC_NAME: "dev.openfunction.samples.AsyncFunctionImpl"
+      FUNC_NAME: "dev.openfunction.samples.OpenFunctionImpl"
       FUNC_CLEAR_SOURCE: "true"
       # Use FUNC_GOPROXY to set the goproxy
       # FUNC_GOPROXY: "https://goproxy.cn"