Begin Stanik impelementation

* Get cloned hierarchy
* Test on empty hierarchy

3 files changed, 44 insertions, 1 deletions

diff --git a/src/main/java/pl/edu/mimuw/cloudatlas/agent/modules/Module.java b/src/main/java/pl/edu/mimuw/cloudatlas/agent/modules/Module.java
index a50a95f..d0bf083 100644
--- a/src/main/java/pl/edu/mimuw/cloudatlas/agent/modules/Module.java
+++ b/src/main/java/pl/edu/mimuw/cloudatlas/agent/modules/Module.java
@@ -3,7 +3,9 @@ package pl.edu.mimuw.cloudatlas.agent.modules;
 import pl.edu.mimuw.cloudatlas.agent.Executor;
 import pl.edu.mimuw.cloudatlas.agent.messages.AgentMessage;
 import pl.edu.mimuw.cloudatlas.agent.messages.TimerSchedulerMessage;
+import pl.edu.mimuw.cloudatlas.agent.messages.ResponseMessage;
 import pl.edu.mimuw.cloudatlas.agent.messages.RMIMessage;
+import pl.edu.mimuw.cloudatlas.agent.messages.StanikMessage;
 
 /*
  * A Module is a (potentially stateful) event handler.
@@ -34,6 +36,14 @@ public abstract class Module {
         throw new InvalidMessageType("Got an RMIMessage in module " + moduleType.toString());
     }
 
+    public void handleTyped(StanikMessage message) throws InterruptedException, InvalidMessageType {
+        throw new InvalidMessageType("Got a StanikMessage in module " + moduleType.toString());
+    }
+
+    public void handleTyped(ResponseMessage message) throws InterruptedException, InvalidMessageType {
+        throw new InvalidMessageType("Got a ResponseMessage in module " + moduleType.toString());
+    }
+
     public void setExecutor(Executor executor) {
         this.executor = executor;
     }
diff --git a/src/main/java/pl/edu/mimuw/cloudatlas/agent/modules/ModuleType.java b/src/main/java/pl/edu/mimuw/cloudatlas/agent/modules/ModuleType.java
index ff4a92e..d221f06 100644
--- a/src/main/java/pl/edu/mimuw/cloudatlas/agent/modules/ModuleType.java
+++ b/src/main/java/pl/edu/mimuw/cloudatlas/agent/modules/ModuleType.java
@@ -8,5 +8,7 @@ public enum ModuleType {
     GOSSIP_IN,
     GOSSIP_OUT,
     STATE,
-    QUERY
+    QUERY,
+    // for testing
+    TEST
 }
diff --git a/src/main/java/pl/edu/mimuw/cloudatlas/agent/modules/Stanik.java b/src/main/java/pl/edu/mimuw/cloudatlas/agent/modules/Stanik.java
new file mode 100644
index 0000000..b8db08a
--- /dev/null
+++ b/src/main/java/pl/edu/mimuw/cloudatlas/agent/modules/Stanik.java
@@ -0,0 +1,31 @@
+package pl.edu.mimuw.cloudatlas.agent.modules;
+
+import pl.edu.mimuw.cloudatlas.agent.messages.AgentMessage;
+import pl.edu.mimuw.cloudatlas.agent.messages.GetHierarchyMessage;
+import pl.edu.mimuw.cloudatlas.agent.messages.HierarchyMessage;
+import pl.edu.mimuw.cloudatlas.agent.messages.StanikMessage;
+import pl.edu.mimuw.cloudatlas.model.ZMI;
+
+public class Stanik extends Module {
+    private ZMI hierarchy;
+
+    public Stanik() {
+        super(ModuleType.STATE);
+        hierarchy = new ZMI();
+    }
+
+    public void handleTyped(StanikMessage message) throws InterruptedException, InvalidMessageType {
+        switch(message.getType()) {
+            case GET_HIERARCHY:
+                handleGetHierarchy((GetHierarchyMessage) message);
+                break;
+            default:
+                throw new InvalidMessageType("This type of message cannot be handled by Stanik");
+        }
+    }
+
+    public void handleGetHierarchy(GetHierarchyMessage message) throws InterruptedException {
+        HierarchyMessage response = new HierarchyMessage("", message.getRequestingModule(), 0, message.getRequestId(), hierarchy.clone());
+        sendMessage(response);
+    }
+}