1 files changed, 86 insertions, 0 deletions
diff --git a/src/main/java/examples/CreateMinimalRaftSimulation.java b/src/main/java/examples/CreateMinimalRaftSimulation.java
new file mode 100644
index 0000000..62db468
--- /dev/null
+++ b/src/main/java/examples/CreateMinimalRaftSimulation.java
@@ -0,0 +1,86 @@
+package examples;
+
+import simulator.*;
+import core.*;
+import prefs.*;
+import events.*;
+import events.internal.*;
+import serialize.VSSerialize;
+import java.io.*;
+import java.lang.reflect.*;
+
+/**
+ * Creates a minimal Raft simulation with just protocol activations.
+ * This tests if the basic simulation saving/loading works.
+ */
+public class CreateMinimalRaftSimulation {
+    
+    public static void main(String[] args) throws Exception {
+        System.out.println("=== Creating Minimal Raft Simulation ===\n");
+        
+        // Initialize
+        VSDefaultPrefs prefs = new VSDefaultPrefs();
+        prefs.fillWithDefaults();
+        VSRegisteredEvents.init(prefs);
+        
+        // Create simulator without GUI
+        VSSimulatorFrame frame = new VSSimulatorFrame(prefs, null);
+        VSSimulator simulator = new VSSimulator(prefs, frame);
+        frame.addSimulator(simulator);
+        
+        // Access visualization via reflection
+        Field vizField = VSSimulator.class.getDeclaredField("simulatorVisualization");
+        vizField.setAccessible(true);
+        VSSimulatorVisualization viz = (VSSimulatorVisualization) vizField.get(simulator);
+        
+        // Add 3 processes
+        Method addProcessMethod = VSSimulatorVisualization.class.getDeclaredMethod("addProcess");
+        addProcessMethod.setAccessible(true);
+        for (int i = 0; i < 3; i++) {
+            addProcessMethod.invoke(viz);
+        }
+        
+        VSTaskManager taskManager = viz.getTaskManager();
+        
+        // Create only one Raft server activation at time 0
+        System.out.println("Adding single Raft server activation on process 0...");
+        VSProtocolEvent serverEvent = new VSProtocolEvent();
+        serverEvent.setProtocolClassname("protocols.implementations.VSRaftProtocol");
+        serverEvent.isClientProtocol(false);
+        serverEvent.isProtocolActivation(true);
+        
+        VSTask task = new VSTask(0, viz.getProcess(0), serverEvent, false);
+        taskManager.addTask(task);
+        
+        // Save simulation
+        File outputFile = new File("saved-simulations/raft-minimal.dat");
+        outputFile.getParentFile().mkdirs();
+        
+        VSSerialize serialize = new VSSerialize();
+        serialize.saveSimulator(outputFile.getAbsolutePath(), simulator);
+        
+        frame.dispose();
+        
+        System.out.println("\nSimulation saved to: " + outputFile.getAbsolutePath());
+        System.out.println("\nTo test:");
+        System.out.println("1. Run: java -jar target/ds-sim-1.0.1-SNAPSHOT.jar");
+        System.out.println("2. File → Open → saved-simulations/raft-minimal.dat");
+        System.out.println("3. Click Run button and check the logs");
+        
+        // Try to immediately load it back to verify
+        System.out.println("\nVerifying saved file can be loaded...");
+        try {
+            VSSimulatorFrame frame2 = new VSSimulatorFrame(prefs, null);
+            VSSimulator loaded = serialize.openSimulator(outputFile.getAbsolutePath(), frame2);
+            if (loaded != null) {
+                System.out.println("✓ File loaded successfully!");
+                frame2.dispose();
+            } else {
+                System.out.println("✗ Failed to load file!");
+            }
+        } catch (Exception e) {
+            System.out.println("✗ Error loading file: " + e.getMessage());
+            e.printStackTrace();
+        }
+    }
+}
+\ No newline at end of file