The RMI interface to Application is now put into a separate RemoteApplication class.

build/build.xml

@@ -92,7 +92,7 @@
             optimize="${optimize}">
             <classpath refid="build.class.path" />
         </javac>
-        <rmic classname="helma.framework.core.Application" base="${build.classes}"/>
+        <rmic classname="helma.framework.core.RemoteApplication" base="${build.classes}"/>
     </target>
 
 

src/helma/framework/core/Application.java

@@ -27,9 +27,7 @@ import java.rmi.server.*;
  * requests from the Web server or XML-RPC port and dispatches them to
  * the evaluators.
  */
-public final class Application
-		extends UnicastRemoteObject
-		implements IRemoteApp, IPathElement, IReplicatedApp, Runnable {
+public final class Application implements IPathElement, Runnable {
 
     // the name of this application
     private String name;
@@ -424,8 +422,8 @@ public final class Application
     }
 
     /**
-    *  Execute a request coming in from a web client.
-    */
+     *  Execute a request coming in from a web client.
+     */
     public ResponseTrans execute (RequestTrans req) {
 
 	requestCount += 1;
@@ -453,7 +451,7 @@ public final class Application
 
 	        // check if the properties file has been updated
 	        updateProperties ();
-	        // get evaluator and invoke 
+	        // get evaluator and invoke
 	        ev = getEvaluator ();
 	        res = ev.invoke (req, session);
 	    }
@@ -485,20 +483,6 @@ public final class Application
     }
 
 
-    /**
-     * Update HopObjects in this application's cache. This is used to replicate
-     * application caches in a distributed app environment
-     */
-    public void replicateCache (Vector add, Vector delete) {
-	if (!"true".equalsIgnoreCase (props.getProperty ("allowReplication")))
-	    return;
-	nmgr.replicateCache (add, delete);
-    }
-
-    public void ping () {
-	// do nothing
-    }
-
     /**
      * Reset the application's object cache, causing all objects to be refetched from
      * the database.

src/helma/framework/core/RemoteApplication.java

@@ -0,0 +1,54 @@
+// RemoteApplication.java
+// Copyright (c) Hannes Wallnöfer 2002
+
+package helma.framework.core;
+
+import helma.framework.*;
+import helma.objectmodel.db.*;
+import java.rmi.*;
+import java.rmi.server.*;
+import java.util.Vector;
+
+/**
+ * Proxy class for Aplication that listens to requests via RMI.
+ */
+
+public class RemoteApplication
+		extends UnicastRemoteObject
+		implements IRemoteApp, IReplicationListener {
+
+    Application app;
+
+
+    public RemoteApplication (Application app) throws RemoteException {
+	this.app = app;
+    }
+
+
+    /**
+     *  ping method to let clients know if the server is reachable
+     */
+    public void ping () {
+	// do nothing
+    }
+
+    /**
+     *  Execute a request coming in from a web client.
+     */
+    public ResponseTrans execute (RequestTrans req) {
+	return app.execute (req);
+    }
+
+
+    /**
+     * Update HopObjects in this application's cache. This is used to replicate
+     * application caches in a distributed app environment
+     */
+    public void replicateCache (Vector add, Vector delete) {
+	if (!"true".equalsIgnoreCase (app.getProperty ("allowReplication"))) {
+	    app.logEvent ("Rejecting cache replication event: allowReplication property is not set to true");
+	    throw new RuntimeException ("Replication event rejected: setup does not allow replication.");
+	}
+	app.nmgr.replicateCache (add, delete);
+    }
+}