From 7cdd9e0931c9905bde72e01038d16589a3040ee6 Mon Sep 17 00:00:00 2001
From: Miro Richard Eklund <miro.eklund@semantum.fi>
Date: Fri, 20 Jul 2018 17:46:29 +0300
Subject: [PATCH] Default values for FMI values is NaN in FMIL.java

Previously the default values were 0.0. Now, we can clearly see if the
values are fetched internally correctly by starting out with NaN. If an
actual value is found, it replaces it. If it fails, then NaN is still
present.

Change-Id: I019950cdf1559598d216cddbac28b8f2c1da95d5
---
 .../src/org/simantics/fmil/core/FMIL.java     | 27 ++++++++++---------
 1 file changed, 15 insertions(+), 12 deletions(-)

diff --git a/org.simantics.fmil.core/src/org/simantics/fmil/core/FMIL.java b/org.simantics.fmil.core/src/org/simantics/fmil/core/FMIL.java
index fa09a71..7301caf 100644
--- a/org.simantics.fmil.core/src/org/simantics/fmil/core/FMIL.java
+++ b/org.simantics.fmil.core/src/org/simantics/fmil/core/FMIL.java
@@ -8,6 +8,7 @@ import java.nio.channels.FileChannel;
 import java.nio.channels.FileLock;
 import java.nio.file.Paths;
 import java.util.ArrayList;
+import java.util.Arrays;
 import java.util.HashSet;
 import java.util.List;
 import java.util.Set;
@@ -129,15 +130,16 @@ public class FMIL {
 	}
 	
 	public boolean subscribe(String name) throws FMILException {
-		// Safety check
-		int vr = variableMap.get(name);
-		if(vr == 0) return false;
-		if(!subscriptionSet.add(name)) return false;
-		subscribedNames.add(name);
-		System.err.println("subscribed : " + name + " => " + subscribedNames.size());
-		subscription.add(vr);
-		subscribe(new int[] { vr });
-		return true;
+		synchronized(syncObject) {
+			// Safety check
+			int vr = variableMap.get(name);
+			if(vr == 0) return false;
+			if(!subscriptionSet.add(name)) return false;
+			subscribedNames.add(name);
+			subscription.add(vr);
+			subscribe(new int[] { vr });
+			return true;
+		}
 	}
 
     public FMIL() {
@@ -495,10 +497,11 @@ public class FMIL {
         synchronized(syncObject) {
 
             try {
-
+            	
             	double[] results = new double[subscription.size()];
-                return getSubscribedResults_(getModelIDNew(), results);
-
+            	Arrays.fill(results, Double.NaN);
+            	
+            	return getSubscribedResults_(getModelIDNew(), results);
             } catch (UnsatisfiedLinkError err) {
                 throw new FMILException(UNSATISFIED_LINK);
             } catch (Exception e) {
-- 
2.47.1