From ca2ac40c11f349bbbcbe45724e915cabcc1d8863 Mon Sep 17 00:00:00 2001
From: Mirco Nasuti <mirco.nasuti@chuv.ch>
Date: Mon, 4 Dec 2017 15:04:23 +0100
Subject: [PATCH] bugfix: add new variable to query

---
 src/main/java/eu/hbp/mip/controllers/VariablesApi.java | 2 +-
 src/main/java/eu/hbp/mip/model/MiningQuery.java        | 2 ++
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/main/java/eu/hbp/mip/controllers/VariablesApi.java b/src/main/java/eu/hbp/mip/controllers/VariablesApi.java
index 353b8a9f0..99a462667 100644
--- a/src/main/java/eu/hbp/mip/controllers/VariablesApi.java
+++ b/src/main/java/eu/hbp/mip/controllers/VariablesApi.java
@@ -155,7 +155,7 @@ public class VariablesApi {
         String histogramGroupings = data.getString("histogram_groupings");
 
         MiningQuery query = new MiningQuery();
-        query.setVariables(query.getVariables().add(new Variable(code)));
+        query.addVariable(new Variable(code));
         List<String> groupings = Arrays.asList(histogramGroupings.split(","));
         query.getGrouping().addAll(groupings.stream().map(Variable::new).collect(Collectors.toList()));
         query.setAlgorithm(new Algorithm("histograms", "Histograms", false));
diff --git a/src/main/java/eu/hbp/mip/model/MiningQuery.java b/src/main/java/eu/hbp/mip/model/MiningQuery.java
index e1bae7d4b..3cec28ac8 100644
--- a/src/main/java/eu/hbp/mip/model/MiningQuery.java
+++ b/src/main/java/eu/hbp/mip/model/MiningQuery.java
@@ -27,6 +27,8 @@ public class MiningQuery {
         this.variables = variables;
     }
 
+    public  void addVariable(Variable variable) { this.variables.add(variable); }
+
     public List<Variable> getCovariables() {
         return covariables;
     }
-- 
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