From: Tuukka Lehtonen <tuukka.lehtonen@semantum.fi>
Date: Tue, 25 Feb 2020 22:24:19 +0000 (+0200)
Subject: Flush listener registrations before garbage collecting queries/listeners
X-Git-Tag: v1.43.0~79
X-Git-Url: https://gerrit.simantics.org/r/gitweb?p=simantics%2Fplatform.git;a=commitdiff_plain;h=4a2d5e0ab04119c571da0ec2d2289c71c55dc3f9

Flush listener registrations before garbage collecting queries/listeners

gitlab #481

Change-Id: I5aa5c3ef420faebba4a2c347cd999035bada675f
---

diff --git a/bundles/org.simantics.db.impl/src/org/simantics/db/impl/query/QueryCollectorImpl.java b/bundles/org.simantics.db.impl/src/org/simantics/db/impl/query/QueryCollectorImpl.java
index 7bab1a77a..0b6f6ef83 100644
--- a/bundles/org.simantics.db.impl/src/org/simantics/db/impl/query/QueryCollectorImpl.java
+++ b/bundles/org.simantics.db.impl/src/org/simantics/db/impl/query/QueryCollectorImpl.java
@@ -42,6 +42,10 @@ class QueryCollectorImpl implements QueryProcessor.QueryCollector {
 	@Override
 	public void collect(int youngTarget, int allowedTimeInMs) {
 
+		// Flush listener registrations to prevent the collector from trashing
+		// listeners that are still queued up waiting to be registered.
+		queryProcessor.listening.sync();
+
 		long start = System.nanoTime();
 
 		// Refresh current size