From f13ae5d0bf1d136232cbce22b1a31be429ca2b54 Mon Sep 17 00:00:00 2001
From: Marko Luukkainen <marko.luukkainen@semantum.fi>
Date: Thu, 29 Aug 2019 10:46:08 +0300
Subject: [PATCH] Use ArrayList (instead of HashSet) to store changes

gitlab #11

Change-Id: I7d5a2c1f462c6de3c401288420350e25f650147f
---
 .../simantics/interop/update/model/UpdateList.java  | 13 +++++++------
 1 file changed, 7 insertions(+), 6 deletions(-)

diff --git a/org.simantics.interop.update/src/org/simantics/interop/update/model/UpdateList.java b/org.simantics.interop.update/src/org/simantics/interop/update/model/UpdateList.java
index 21cde66..2267ebe 100644
--- a/org.simantics.interop.update/src/org/simantics/interop/update/model/UpdateList.java
+++ b/org.simantics.interop.update/src/org/simantics/interop/update/model/UpdateList.java
@@ -14,20 +14,20 @@ import org.simantics.interop.test.GraphChanges.Modification;
 import org.simantics.utils.datastructures.Pair;
 
 public class UpdateList {
-	private HashSet<PropertyChange> changes;
+	private List<PropertyChange> changes;
 	
 	public UpdateList() {
-		changes = new HashSet<>();
+		changes = new ArrayList<>();
 	}
 	
 	public UpdateList(Collection<PropertyChange> changes) {
-		this.changes = new HashSet<>(changes);
+		this.changes = new ArrayList<>(changes);
 	}
 	
 	public UpdateList(GraphChanges graphChanges, Collection<Modification> coll) {
-		this.changes = new HashSet<>();
+		this.changes = new ArrayList<>();
 		for (Modification p : coll) {
-			changes.add(create(graphChanges, p.getLeftSub(),p.getRightSub(),new Pair<Statement, Statement>(p.getLeftStm(), p.getRightStm())));
+			addChange(create(graphChanges, p.getLeftSub(),p.getRightSub(),new Pair<Statement, Statement>(p.getLeftStm(), p.getRightStm())));
 		}
 	}
 	
@@ -40,7 +40,8 @@ public class UpdateList {
 	}
 
 	public void addChange(PropertyChange change) {
-		changes.add(change);
+	    if (!changes.contains(change))
+	        changes.add(change);
 	}
 	
 	public void removeChange(PropertyChange change) {
-- 
2.45.1