--- /dev/null
+package org.simantics.db.tests.api.delayedWrite;
+
+import java.util.concurrent.atomic.AtomicReference;
+
+import org.junit.Test;
+import org.simantics.db.ReadGraph;
+import org.simantics.db.Resource;
+import org.simantics.db.VirtualGraph;
+import org.simantics.db.WriteGraph;
+import org.simantics.db.common.request.DelayedWriteRequest;
+import org.simantics.db.common.request.ReadRequest;
+import org.simantics.db.common.request.WriteResultRequest;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.db.service.VirtualGraphSupport;
+import org.simantics.db.testing.annotation.Fails;
+import org.simantics.db.testing.base.ExistingDatabaseTest;
+
+/**
+ * This originated from Apros issue #3296.
+ *
+ * @author Tuukka Lehtonen
+ */
+public class DelayedWriteGraphVirtualGraphHandling extends ExistingDatabaseTest {
+
+ @Test
+ @Fails
+ public void test() throws Exception {
+ final VirtualGraphSupport vgs = getSession().getService(VirtualGraphSupport.class);
+ final VirtualGraph mem = getSession().getService(VirtualGraphSupport.class).getMemoryPersistent("MEM");
+ final VirtualGraph ws = getSession().getService(VirtualGraphSupport.class).getWorkspacePersistent("WS");
+
+ final AtomicReference<Resource> transientName = new AtomicReference<Resource>();
+ final AtomicReference<Resource> persistentDescription = new AtomicReference<Resource>();
+
+ DelayedWriteRequest r = new DelayedWriteRequest() {
+ @Override
+ public void perform(WriteGraph graph) throws DatabaseException {
+ final Resource r = graph.newResource();
+ graph.claim(r, L0.InstanceOf, null, L0.Entity);
+
+ transientName.set( graph.sync(new WriteResultRequest<Resource>(mem) {
+ @Override
+ public Resource perform(WriteGraph graph) throws DatabaseException {
+ Resource vr = graph.newResource();
+ graph.claim(vr, L0.InstanceOf, null, L0.String);
+ graph.claim(r, L0.HasName, vr);
+ return vr;
+ }
+ }) );
+ persistentDescription.set( graph.sync(new WriteResultRequest<Resource>(ws) {
+ @Override
+ public Resource perform(WriteGraph graph) throws DatabaseException {
+ Resource vr = graph.newResource();
+ graph.claim(vr, L0.InstanceOf, null, L0.String);
+ graph.claim(r, L0.HasDescription, vr);
+ return vr;
+ }
+ }) );
+ }
+ };
+ getSession().sync(r);
+
+ // Validate that the data was actually written into virtual graphs.
+ getSession().sync(new ReadRequest() {
+ @Override
+ public void run(ReadGraph graph) throws DatabaseException {
+ VirtualGraph nameVg = vgs.getGraph(graph, transientName.get());
+ VirtualGraph descVg = vgs.getGraph(graph, persistentDescription.get());
+ assertEquals(nameVg, mem);
+ assertEquals(descVg, ws);
+ }
+ });
+ }
+
+}