X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.db.impl%2Fsrc%2Forg%2Fsimantics%2Fdb%2Fimpl%2Fquery%2FAsyncReadEntry.java;h=75169d02e9946ca0a1dea3f1e03a3dba2ce49b97;hb=5d26dc0201bd7fafbaafa4f74ff1a10929a14e5b;hp=08f0ad8b5f689e189348b1af64a46e2d2a97c8b7;hpb=d0e8f57df83c175bac2098412ee71646fb9ff0e9;p=simantics%2Fplatform.git

diff --git a/bundles/org.simantics.db.impl/src/org/simantics/db/impl/query/AsyncReadEntry.java b/bundles/org.simantics.db.impl/src/org/simantics/db/impl/query/AsyncReadEntry.java
index 08f0ad8b5..75169d02e 100644
--- a/bundles/org.simantics.db.impl/src/org/simantics/db/impl/query/AsyncReadEntry.java
+++ b/bundles/org.simantics.db.impl/src/org/simantics/db/impl/query/AsyncReadEntry.java
@@ -12,6 +12,7 @@
 package org.simantics.db.impl.query;
 
 import org.simantics.db.AsyncReadGraph;
+import org.simantics.db.common.GraphSemaphore;
 import org.simantics.db.exception.DatabaseException;
 import org.simantics.db.impl.DebugPolicy;
 import org.simantics.db.impl.graph.ReadGraphImpl;
@@ -78,20 +79,26 @@ final public class AsyncReadEntry<T> extends CacheEntryBase<AsyncProcedure<T>> {
 
 				try {
 
+					GraphSemaphore s = new GraphSemaphore(graph, 0);
+					
 				    request.perform(graph , new AsyncProcedure<T>() {
 
                         @Override
                         public void execute(AsyncReadGraph graph, T result) {
                             addOrSet(graph, result);
+                            s.release();
                         }
             			
             			@Override
             			public void exception(AsyncReadGraph graph, Throwable t) {
             			    except(t);
+                            s.release();
                         }
 
                     });
 
+                    s.waitFor(1);
+
 				} catch (Throwable t) {
 				    except(t);
                 }