Remove TornadoVMInitializer and refactor TornadoVM initialization logic directly into GPULlama3Recorder.

Author: orionpapadakis

model-providers/gpu-llama3/runtime/src/main/java/io/quarkiverse/langchain4j/gpullama3/runtime/GPULlama3Recorder.java

@@ -1,10 +1,8 @@
 package io.quarkiverse.langchain4j.gpullama3.runtime;
 
-import java.io.File;
 import java.nio.file.Paths;
 import java.util.function.Supplier;
 
-import io.quarkiverse.langchain4j.gpullama3.runtime.tornadovm.TornadoVMInitializer;
 import org.jboss.logging.Logger;
 
 import dev.langchain4j.model.chat.ChatModel;
@@ -25,18 +23,15 @@ public class GPULlama3Recorder {
 
     public GPULlama3Recorder(RuntimeValue<LangChain4jGPULlama3Config> runtimeConfig,
             RuntimeValue<LangChain4jGPULlama3FixedRuntimeConfig> fixedRuntimeConfig) {
-        LOG.info("GPULlama3Recorder.constructor()");
         this.runtimeConfig = runtimeConfig;
         this.fixedRuntimeConfig = fixedRuntimeConfig;
     }
 
     public Supplier<ChatModel> chatModel(String configName) {
         var config = correspondingConfig(configName);
         var fixedConfig = correspondingFixedConfig(configName);
-        LOG.info("GPULlama3Recorder.chatModel()");
-        if (config.enableIntegration()) {
 
-            boolean tornadoInitialized = initTornadoVMRuntime();
+        if (config.enableIntegration()) {
 
             var chatModelConfig = config.chatModel();
             String modelPath = fixedConfig.chatModel().modelPath();
@@ -45,14 +40,6 @@ public Supplier<ChatModel> chatModel(String configName) {
                 try {
                     LOG.info("Creating GPULlama3ChatModel for config: " + configName);
 
-                    // Check if initialization worked
-                    if (!tornadoInitialized) {
-                        LOG.warn("TornadoVM is not properly initialized, using fallback model");
-                        return new FallbackChatModel(
-                                "TornadoVM runtime could not be initialized in Quarkus environment. " +
-                                        "This is likely due to class loading or module system issues.");
-                    }
-
                     // Create the model normally
                     var builder = GPULlama3ChatModel.builder()
                             .modelPath(Paths.get(modelPath));
@@ -66,9 +53,7 @@ public Supplier<ChatModel> chatModel(String configName) {
                 } catch (Exception e) {
                     LOG.error("Error creating GPULlama3ChatModel", e);
                     return new FallbackChatModel(
-                            "Error: " + e.getMessage() + "\n\n" +
-                                    "Note: TornadoVM runtime was initialized but may not have backends available. " +
-                                    "This may be addressed in a future phase.");
+                            "Error: " + e.getMessage() + "\n\n");
                 }
             };
         } else {
@@ -88,50 +73,6 @@ private LangChain4jGPULlama3FixedRuntimeConfig.FixedRuntimeConfig correspondingF
                 : fixedRuntimeConfig.getValue().namedConfig().get(configName);
     }
 
-    /**
-     * Safely initializes TornadoVM.
-     * This method is intended to be called early in the application lifecycle
-     * to ensure TornadoVM is properly set up before it's needed.
-     *
-     * @return True if successfully initialized, or false otherwise
-     */
-    private boolean initTornadoVMRuntime() {
-        // Early module path setup
-        TornadoVMInitializer.setModulePaths();
-
-        // Initialize TornadoVM early to detect issues
-        Object tornadoRuntime = null;
-        try {
-            LOG.debug("Early initialization of TornadoVM runtime");
-
-            if (inDebugMode()) {
-                // Print environment info only in debug mode
-                TornadoVMInitializer.printEnvironmentInfo();
-            }
-
-            // Ensure system properties are set
-            TornadoVMInitializer.setSystemProperties();
-
-            // Configure library path
-            TornadoVMInitializer.configureLibraryPath();
-
-            // Try to adjust class loaders and get runtime
-            tornadoRuntime = TornadoVMInitializer.adjustClassLoaders();
-
-            // Check if initialization was successful
-            if (TornadoVMInitializer.isTornadoVMInitialized()) {
-                LOG.info("TornadoVM runtime successfully initialized!");
-            } else {
-                LOG.warn("TornadoVM runtime not initialized..");
-            }
-
-        } catch (Exception e) {
-            LOG.warn("TornadoVM early initialization failed", e);
-        }
-
-        return tornadoRuntime != null;
-    }
-
     private boolean inDebugMode() {
         return LOG.isDebugEnabled();
     }