From 0c04c19deefff30cd469db67b347db4cb809363e Mon Sep 17 00:00:00 2001
From: Giancarlo Panichi <giancarlo.panichi@isti.cnr.it>
Date: Fri, 28 Apr 2017 10:26:39 +0000
Subject: [PATCH] Fixed operation invocation call

git-svn-id: https://svn.d4science.research-infrastructures.eu/gcube/trunk/portlets/user/tabular-data-statistical-widget@147240 82a268e6-3cf1-43bd-a215-b396298e98cf
---
 .../client/stat/TDSubmissionHandler.java           | 14 ++++++++++----
 1 file changed, 10 insertions(+), 4 deletions(-)

diff --git a/src/main/java/org/gcube/portlets/user/td/statisticalwidget/client/stat/TDSubmissionHandler.java b/src/main/java/org/gcube/portlets/user/td/statisticalwidget/client/stat/TDSubmissionHandler.java
index 179a222..20da885 100644
--- a/src/main/java/org/gcube/portlets/user/td/statisticalwidget/client/stat/TDSubmissionHandler.java
+++ b/src/main/java/org/gcube/portlets/user/td/statisticalwidget/client/stat/TDSubmissionHandler.java
@@ -34,12 +34,14 @@ public class TDSubmissionHandler implements ExternalExecutionEventHandler,
 	private EventBus eventBus;
 	private TRId trId;
 	private DataMinerWidget dataMinerWidget;
+	private boolean submitted;
 
 	public TDSubmissionHandler(DataMinerWidget dataMinerWidget, TRId trId,
 			EventBus eventBus) {
 		this.dataMinerWidget = dataMinerWidget;
 		this.trId = trId;
 		this.eventBus = eventBus;
+		submitted = false;
 	}
 
 	@Override
@@ -50,13 +52,17 @@ public class TDSubmissionHandler implements ExternalExecutionEventHandler,
 			UtilsGXT3.alert("Error", "Invalid params null");
 			return;
 		}
-		dataMinerWidget.closeDataMinerWidget();
 
-		DataMinerOperationSession statisticalOperationSession = new DataMinerOperationSession(
-				trId, event.getOp());
+		if (!submitted) {
+			Log.info("ExternalExecutionEvent submitted");
+			submitted=true;
+			dataMinerWidget.closeDataMinerWidget();
 
-		callDataMinerOperation(statisticalOperationSession);
+			DataMinerOperationSession statisticalOperationSession = new DataMinerOperationSession(
+					trId, event.getOp());
 
+			callDataMinerOperation(statisticalOperationSession);
+		}
 	}
 
 	protected void callDataMinerOperation(