diff --git a/src/main/java/org/gcube/portlets/user/td/monitorwidget/client/MonitorBarUpdater.java b/src/main/java/org/gcube/portlets/user/td/monitorwidget/client/MonitorBarUpdater.java
index 7820492..8bb0a99 100644
--- a/src/main/java/org/gcube/portlets/user/td/monitorwidget/client/MonitorBarUpdater.java
+++ b/src/main/java/org/gcube/portlets/user/td/monitorwidget/client/MonitorBarUpdater.java
@@ -49,13 +49,14 @@ public class MonitorBarUpdater implements MonitorUpdaterListener {
 	}
 	
 	@Override
-	public void monitorInitializing() {
+	public void monitorInitializing(OperationMonitor operationMonitor) {
 		Log.info("Inizializing");
 		progressBar.updateProgress(0, "Initializing...");
 	}
 	
 	@Override
-	public void monitorUpdate(float elaborated) {
+	public void monitorUpdate(OperationMonitor operationMonitor) {
+		float elaborated=operationMonitor.getTask().getProgress();
 		Log.info("Elaborated: "+elaborated);
 		if (elaborated>=0 && elaborated<1) {
 			Log.trace("progress "+elaborated);
@@ -67,7 +68,8 @@ public class MonitorBarUpdater implements MonitorUpdaterListener {
 	}
 	
 	@Override
-	public void monitorValidate(float elaborated) {
+	public void monitorValidate(OperationMonitor operationMonitor) {
+		float elaborated=operationMonitor.getTask().getProgress();
 		Log.info("Validation Elaborated: "+elaborated);
 		if (elaborated == 0) progressBar.updateProgress(0, "Start Validation...");
 		if (elaborated>0 && elaborated<1) {
@@ -86,18 +88,14 @@ public class MonitorBarUpdater implements MonitorUpdaterListener {
 	}
 	
 	@Override
-	public void monitorGeneratingView() {
+	public void monitorGeneratingView(OperationMonitor operationMonitor) {
 		Log.info("Generating View...");
 		progressBar.updateText("Generating View...");
 		
 	}
 
 
-	@Override
-	public void monitorChanged(OperationMonitor operationMonitor) {
-		// TODO Auto-generated method stub
-		
-	}
+	
 
 
 	@Override
diff --git a/src/main/java/org/gcube/portlets/user/td/monitorwidget/client/MonitorDialog.java b/src/main/java/org/gcube/portlets/user/td/monitorwidget/client/MonitorDialog.java
index 5a28f30..cf76df7 100644
--- a/src/main/java/org/gcube/portlets/user/td/monitorwidget/client/MonitorDialog.java
+++ b/src/main/java/org/gcube/portlets/user/td/monitorwidget/client/MonitorDialog.java
@@ -103,13 +103,13 @@ public class MonitorDialog extends Window implements MonitorUpdaterListener {
 	}
 
 	@Override
-	public void monitorInitializing() {
+	public void monitorInitializing(OperationMonitor result) {
 		// TODO Auto-generated method stub
 
 	}
 
 	@Override
-	public void monitorUpdate(float elaborated) {
+	public void monitorUpdate(OperationMonitor operationMonitor) {
 		// TODO Auto-generated method stub
 
 	}
@@ -154,22 +154,18 @@ public class MonitorDialog extends Window implements MonitorUpdaterListener {
 	}
 
 	@Override
-	public void monitorGeneratingView() {
+	public void monitorGeneratingView(OperationMonitor operationMonitor) {
 		// TODO Auto-generated method stub
 
 	}
 
 	@Override
-	public void monitorValidate(float elaborated) {
+	public void monitorValidate(OperationMonitor operationMonitor) {
 		// TODO Auto-generated method stub
 
 	}
 	
-	@Override
-	public void monitorChanged(OperationMonitor operationMonitor) {
-		// TODO Auto-generated method stub
-		
-	}
+	
 
 	@Override
 	public void monitorAborted() {
diff --git a/src/main/java/org/gcube/portlets/user/td/monitorwidget/client/MonitorUpdater.java b/src/main/java/org/gcube/portlets/user/td/monitorwidget/client/MonitorUpdater.java
index 5f19448..b47e160 100644
--- a/src/main/java/org/gcube/portlets/user/td/monitorwidget/client/MonitorUpdater.java
+++ b/src/main/java/org/gcube/portlets/user/td/monitorwidget/client/MonitorUpdater.java
@@ -61,7 +61,7 @@ public class MonitorUpdater extends Timer implements MonitorDialogEventUIListene
 						switch (result.getTask().getState()) {
 						case INITIALIZING:
 							Log.info("Initializing...");
-							fireMonitorInitializing();
+							fireMonitorInitializing(result);
 							break;
 						case ABORTED:
 							cancel();
@@ -69,14 +69,15 @@ public class MonitorUpdater extends Timer implements MonitorDialogEventUIListene
 							Log.info("Aborted");
 							break;
 						case IN_PROGRESS:
-							fireMonitorUpdate(result.getTask().getProgress());
+							fireMonitorUpdate(result);
+						
 							break;
 						case VALIDATING_RULES:
-							fireMonitorValidate(result.getTask().getProgress());
+							fireMonitorValidate(result);
 							break;	
 						case GENERATING_VIEW:
 							Log.info("Generating View...");
-							fireMonitorGeneratingView();
+							fireMonitorGeneratingView(result);
 							break;		
 						case STOPPED:
 							cancel();
@@ -105,6 +106,7 @@ public class MonitorUpdater extends Timer implements MonitorDialogEventUIListene
 
 	}
 
+	
 	protected void errorMessage(OperationMonitor result) {
 		Log.info("Operation Failed");
 		Throwable th;
@@ -147,24 +149,24 @@ public class MonitorUpdater extends Timer implements MonitorDialogEventUIListene
 		return message;
 	}
 
-	protected void fireMonitorInitializing() {
+	protected void fireMonitorInitializing(OperationMonitor result) {
 		for (MonitorUpdaterListener listener : listeners)
-			listener.monitorInitializing();
+			listener.monitorInitializing(result);
 	}
 	
-	protected void fireMonitorGeneratingView() {
+	protected void fireMonitorGeneratingView(OperationMonitor result) {
 		for (MonitorUpdaterListener listener : listeners)
-			listener.monitorGeneratingView();
+			listener.monitorGeneratingView(result);
 	}
 
-	protected void fireMonitorUpdate(float elaborated) {
+	protected void fireMonitorUpdate(OperationMonitor result) {
 		for (MonitorUpdaterListener listener : listeners)
-			listener.monitorUpdate(elaborated);
+			listener.monitorUpdate(result);
 	}
 	
-	protected void fireMonitorValidate(float elaborated) {
+	protected void fireMonitorValidate(OperationMonitor result) {
 		for (MonitorUpdaterListener listener : listeners)
-			listener.monitorValidate(elaborated);
+			listener.monitorValidate(result);
 	}
 
 	protected void fireMonitorComplete(TRId trId) {
diff --git a/src/main/java/org/gcube/portlets/user/td/monitorwidget/client/MonitorUpdaterListener.java b/src/main/java/org/gcube/portlets/user/td/monitorwidget/client/MonitorUpdaterListener.java
index b83e838..64c3fbc 100644
--- a/src/main/java/org/gcube/portlets/user/td/monitorwidget/client/MonitorUpdaterListener.java
+++ b/src/main/java/org/gcube/portlets/user/td/monitorwidget/client/MonitorUpdaterListener.java
@@ -18,19 +18,19 @@ public interface MonitorUpdaterListener {
 	/**
 	 * Called when the operation is starting.
 	 */
-	public void monitorInitializing();
+	public void monitorInitializing(OperationMonitor operationMonitor);
 	
 	/**
 	 * Called when there is a progress for the operation.
 	 * @param elaborated the elaborated part.
 	 */
-	public void monitorUpdate(float elaborated);
+	public void monitorUpdate(OperationMonitor operationMonitor);
 	
 	/**
 	 * Called when there is a validate for the operation.
 	 * @param elaborated the elaborated part.
 	 */
-	public void monitorValidate(float elaborated);	
+	public void monitorValidate(OperationMonitor operationMonitor);	
 	
 	/**
 	 * Called when the operation is complete.
@@ -71,14 +71,9 @@ public interface MonitorUpdaterListener {
 	/**
 	 *  Called when the operation is generating the view
 	 */
-	public void monitorGeneratingView();
+	public void monitorGeneratingView(OperationMonitor operationMonitor);
+	
 	
 	
-	/**
-	 *  Called when the operation montor is changed
-	 * 
-	 * @param operationMonitor
-	 */
-	public void monitorChanged(OperationMonitor operationMonitor);
 	
 }