Add SIN.04028 tutorial material, tutor prompt and conversation log

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
2026-09-15 15:11:02 +02:00
parent bac80295b7
commit f615bef426
30 changed files with 8123 additions and 0 deletions
@@ -0,0 +1,69 @@
+import java.io.IOException;
+import java.io.UncheckedIOException;
+import java.util.concurrent.LinkedBlockingQueue;
+
+record Route(String from, String to) {}
+
+Route waitForRoute(String controlMailbox) throws InterruptedException {
+    var messages = new LinkedBlockingQueue<Message>();
+
+    var controlListener = Thread.ofVirtual().start(() -> {
+        try {
+            FileMessageBoard.watch(controlMailbox, messages::add);
+        } catch (InterruptedException _) {
+            Thread.currentThread().interrupt();
+        } catch (IOException exception) {
+            throw new UncheckedIOException(exception);
+        }
+    });
+
+    try {
+        while (true) {
+            var message = messages.take();
+
+            if (!message.type().equals("ROUTE")) {
+                IO.println("Ignored " + message.type() + "; expected ROUTE");
+                continue;
+            }
+
+            var mailboxes = message.value().lines().toList();
+
+            if (mailboxes.size() != 2
+                    || mailboxes.get(0).isBlank()
+                    || mailboxes.get(1).isBlank()) {
+                IO.println("ROUTE needs exactly two lines: <from> and <to>");
+                continue;
+            }
+
+            return new Route(mailboxes.get(0), mailboxes.get(1));
+        }
+    } finally {
+        controlListener.interrupt();
+        controlListener.join();
+    }
+}
+
+void main(String[] arguments) throws Exception {
+    if (arguments.length != 1
+            || !arguments[0].matches("[A-Za-z0-9_-]+")) {
+        IO.println("Usage: java ConfigurableMediator.java <mediator-name>");
+        return;
+    }
+
+    var name = arguments[0];
+    var controlMailbox = "mediators/" + name + "/inbox";
+
+    IO.println(name + " waits for ROUTE on " + controlMailbox);
+
+    var route = waitForRoute(controlMailbox);
+
+    IO.println(name + " mediates: " + route.from() + " -> " + route.to());
+
+    FileMessageBoard.watch(route.from(), message -> {
+        try {
+            FileMessageBoard.publish(route.to(), message);
+        } catch (IOException exception) {
+            throw new UncheckedIOException(exception);
+        }
+    });
+}