X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.db.impl%2Fsrc%2Forg%2Fsimantics%2Fdb%2Fimpl%2Fquery%2FQueryListening.java;h=5a7ab819dad27332af584912ef47ba54a7e25a16;hb=86468a45a765f1b9dcf07efcf3ba6f058dccbac2;hp=075281035a7802842a2b6ab285700b2a22f29d6b;hpb=f154f15aa05eec3b92e477aedd46b9cba09f6c92;p=simantics%2Fplatform.git

diff --git a/bundles/org.simantics.db.impl/src/org/simantics/db/impl/query/QueryListening.java b/bundles/org.simantics.db.impl/src/org/simantics/db/impl/query/QueryListening.java
index 075281035..5a7ab819d 100644
--- a/bundles/org.simantics.db.impl/src/org/simantics/db/impl/query/QueryListening.java
+++ b/bundles/org.simantics.db.impl/src/org/simantics/db/impl/query/QueryListening.java
@@ -413,6 +413,16 @@ public class QueryListening {
 
     public void fireListeners(ReadGraphImpl graph) {
 
+        ReadGraphImpl listenerGraph = graph.forSyncExecute();
+        listenerGraph.asyncBarrier.inc();
+        fireListeners_(listenerGraph);
+        listenerGraph.asyncBarrier.dec();
+        listenerGraph.asyncBarrier.waitBarrier(this, listenerGraph);
+
+    }
+
+    private void fireListeners_(ReadGraphImpl graph) {
+
         assert (!processor.updating);
         assert (!processor.cache.collecting);
         assert (!firingListeners);