From ed401640d1bff6b8799d70ea1b36173e040bdb55 Mon Sep 17 00:00:00 2001
From: Alexandre Gallice <aldettinger@gmail.com>
Date: Thu, 9 Jan 2025 17:03:49 +0100
Subject: [PATCH] langchain4j: add support for AI service resolution by bean
 name #6866 (#6899)

---
 .../reference/extensions/langchain4j.adoc     | 31 ++++++++++++++++++-
 .../runtime/src/main/doc/configuration.adoc   | 30 +++++++++++++++++-
 .../langchain4jit/LangChain4jTest.java        |  2 --
 3 files changed, 59 insertions(+), 4 deletions(-)

diff --git a/docs/modules/ROOT/pages/reference/extensions/langchain4j.adoc b/docs/modules/ROOT/pages/reference/extensions/langchain4j.adoc
index b16974fde90..c3338642012 100644
--- a/docs/modules/ROOT/pages/reference/extensions/langchain4j.adoc
+++ b/docs/modules/ROOT/pages/reference/extensions/langchain4j.adoc
@@ -91,8 +91,8 @@ With the `camel-quarkus-langchain4j` extension, the AI services are resolvable b
 For instance, let's define an AI service below:
 
 ```
-@RegisterAiService
 @ApplicationScoped
+@RegisterAiService
 public interface MyAiService {
 
     @UserMessage("My Prompt")
@@ -111,3 +111,32 @@ public void configure() {
 }
 ```
 
+[id="extensions-langchain4j-configuration-resolving-ai-services-by-bean-name"]
+=== Resolving AI services by bean name
+
+The AI services are also resolvable by bean name when called from a `bean` statement.
+
+For instance, let's define an AI service below:
+
+```
+@ApplicationScoped
+@Named("aiServiceResolvedByName")
+@RegisterAiService
+public interface AiServiceResolvedByName {
+
+    @UserMessage("My prompt")
+    @Handler
+    String chatByName(String input);
+}
+```
+
+The AI service could then be invoked from a Camel route as below:
+
+```
+@Override
+public void configure() {
+  from("...")
+    .bean("aiServiceResolvedByName");
+}
+```
+
diff --git a/extensions/langchain4j/runtime/src/main/doc/configuration.adoc b/extensions/langchain4j/runtime/src/main/doc/configuration.adoc
index 3259dfa6464..384884433da 100644
--- a/extensions/langchain4j/runtime/src/main/doc/configuration.adoc
+++ b/extensions/langchain4j/runtime/src/main/doc/configuration.adoc
@@ -24,8 +24,8 @@ With the `camel-quarkus-langchain4j` extension, the AI services are resolvable b
 For instance, let's define an AI service below:
 
 ```
-@RegisterAiService
 @ApplicationScoped
+@RegisterAiService
 public interface MyAiService {
 
     @UserMessage("My Prompt")
@@ -43,3 +43,31 @@ public void configure() {
     .bean(MyAiService.class);
 }
 ```
+
+=== Resolving AI services by bean name
+
+The AI services are also resolvable by bean name when called from a `bean` statement.
+
+For instance, let's define an AI service below:
+
+```
+@ApplicationScoped
+@Named("aiServiceResolvedByName")
+@RegisterAiService
+public interface AiServiceResolvedByName {
+
+    @UserMessage("My prompt")
+    @Handler
+    String chatByName(String input);
+}
+```
+
+The AI service could then be invoked from a Camel route as below:
+
+```
+@Override
+public void configure() {
+  from("...")
+    .bean("aiServiceResolvedByName");
+}
+```
diff --git a/integration-tests/langchain4j/src/test/java/org/apache/camel/quarkus/component/langchain4jit/LangChain4jTest.java b/integration-tests/langchain4j/src/test/java/org/apache/camel/quarkus/component/langchain4jit/LangChain4jTest.java
index 995b92bc21e..ddaba2ca9b1 100644
--- a/integration-tests/langchain4j/src/test/java/org/apache/camel/quarkus/component/langchain4jit/LangChain4jTest.java
+++ b/integration-tests/langchain4j/src/test/java/org/apache/camel/quarkus/component/langchain4jit/LangChain4jTest.java
@@ -18,7 +18,6 @@
 
 import io.quarkus.test.junit.QuarkusTest;
 import io.restassured.RestAssured;
-import org.junit.jupiter.api.Disabled;
 import org.junit.jupiter.api.Test;
 
 import static org.hamcrest.Matchers.is;
@@ -47,7 +46,6 @@ void aiServiceShouldBeResolvedByInterface() {
     }
 
     @Test
-    @Disabled("https://github.com/apache/camel-quarkus/issues/6866")
     void aiServiceShouldBeResolvedByName() {
         RestAssured.given()
                 .get("/langchain4j/ai-service-should-be-resolvable-by-name")