More work on lib

lib/src/server.ts

@@ -1,16 +1,16 @@
 import { types } from "@aas-core-works/aas-core3.0rc02-typescript";
-
-export type PossibleRequests = "TODO";
-
-export type OnRequestCallback = (request: PossibleRequests) => void
+import type { Request, OnRequestCallback } from "types/requests";
 
 export default abstract class AASInterfaceServer<ConfigInterface> {
     protected abstract readonly name: string;
     protected config: ConfigInterface;
-    private onRequestCallback: OnRequestCallback;
+    protected abstract readonly supportsSubscriptions: boolean;
+    protected readonly aas: types.Environment;
+    private onRequestCallback: OnRequestCallback
     
     constructor(config: ConfigInterface, aas: types.Environment, onRequestCallback: OnRequestCallback) {
         this.config = config;
+        this.aas = aas;
         this.onRequestCallback = onRequestCallback;
     }
 
@@ -19,5 +19,24 @@ export default abstract class AASInterfaceServer<ConfigInterface> {
     public abstract stop(): void;
     public abstract notify(event: any): void;
 
-    protected abstract findElementByRequest(request: PossibleRequests): any | null;
+    protected abstract findElementByRequest(request: Request): any | null;
+
+    protected findElementBySemanticId(id: string): types.Class | null {
+        for (const element of this.aas.descend()) {
+            if ((element as any).semanticId === id) {
+                return element;
+            }
+        }
+        return null;
+    }
+
+    protected findElementByShortId(id: string): types.Class | null {
+        for (const element of this.aas.descend()) {
+            if ((element as any).idShort === id) {
+                return element;
+            }
+        }
+        return null;
+    }
+
 }