Refactor: Integrate V2 capabilities into V1 core and remove redundant V2 runtime components

Author: qqeasonchen

eventmesh-runtime/src/main/java/org/apache/eventmesh/runtime/Runtime.java

@@ -18,8 +18,6 @@
 package org.apache.eventmesh.runtime.boot;
 
 import org.apache.eventmesh.common.config.ConfigService;
-import org.apache.eventmesh.common.enums.ComponentType;
-import org.apache.eventmesh.runtime.RuntimeInstanceConfig;
 import org.apache.eventmesh.runtime.constants.EventMeshConstants;
 import org.apache.eventmesh.runtime.util.BannerUtil;
 
@@ -38,53 +36,25 @@ public static void main(String[] args) throws Exception {
 
             BannerUtil.generateBanner();
 
-            RuntimeInstanceConfig runtimeInstanceConfig = null;
-            try {
-                runtimeInstanceConfig = ConfigService.getInstance().buildConfigInstance(RuntimeInstanceConfig.class);
-            } catch (Exception e) {
-                log.warn("Failed to load RuntimeInstanceConfig, falling back to legacy EventMeshServer mode", e);
-            }
-
-            if (runtimeInstanceConfig != null && runtimeInstanceConfig.getComponentType() != null 
-                && runtimeInstanceConfig.getComponentType() != ComponentType.MESH) {
-                // V2 Runtime (Connector or Function)
-                RuntimeInstance runtimeInstance = new RuntimeInstance(runtimeInstanceConfig);
-                runtimeInstance.init();
-                runtimeInstance.start();
-
-                Runtime.getRuntime().addShutdownHook(new Thread(() -> {
-                    try {
-                        log.info("runtime shutting down hook begin.");
-                        long start = System.currentTimeMillis();
-                        runtimeInstance.shutdown();
-                        long end = System.currentTimeMillis();
-                        log.info("runtime shutdown cost {}ms", end - start);
-                    } catch (Exception e) {
-                        log.error("exception when shutdown.", e);
-                    }
-                }));
-            } else {
-                // Legacy EventMeshServer (Mesh)
-                EventMeshServer server = new EventMeshServer();
-                server.init();
-                server.start();
-                Runtime.getRuntime().addShutdownHook(new Thread(() -> {
-                    try {
-                        log.info("eventMesh shutting down hook begin.");
-                        long start = System.currentTimeMillis();
-                        server.shutdown();
-                        long end = System.currentTimeMillis();
-
-                        log.info("eventMesh shutdown cost {}ms", end - start);
-                    } catch (Exception e) {
-                        log.error("exception when shutdown.", e);
-                    }
-                }));
-            }
+            EventMeshServer server = new EventMeshServer();
+            server.init();
+            server.start();
+            Runtime.getRuntime().addShutdownHook(new Thread(() -> {
+                try {
+                    log.info("eventMesh shutting down hook begin.");
+                    long start = System.currentTimeMillis();
+                    server.shutdown();
+                    long end = System.currentTimeMillis();
+
+                    log.info("eventMesh shutdown cost {}ms", end - start);
+                } catch (Exception e) {
+                    log.error("exception when shutdown.", e);
+                }
+            }));
         } catch (Throwable e) {
             log.error("EventMesh start fail.", e);
             System.exit(-1);
         }
 
     }
-}
+}