Added missing org.simantics.db.{tests,testing} plug-ins.

[simantics/platform.git] / tests / org.simantics.db.tests / src / org / simantics / db / tests / api / request / exception / RecoveryFromExceptedState.java

diff --git a/tests/org.simantics.db.tests/src/org/simantics/db/tests/api/request/exception/RecoveryFromExceptedState.java b/tests/org.simantics.db.tests/src/org/simantics/db/tests/api/request/exception/RecoveryFromExceptedState.java
new file mode 100644 (file)
index 0000000..9a18036
--- /dev/null
+++ b/tests/org.simantics.db.tests/src/org/simantics/db/tests/api/request/exception/RecoveryFromExceptedState.java
@@ -0,0 +1,121 @@
+/*******************************************************************************
+ * Copyright (c) 2007, 2010 Association for Decentralized Information Management
+ * in Industry THTH ry.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *     VTT Technical Research Centre of Finland - initial API and implementation
+ *******************************************************************************/
+package org.simantics.db.tests.api.request.exception;
+
+import org.junit.Test;
+import org.simantics.db.ReadGraph;
+import org.simantics.db.Resource;
+import org.simantics.db.Session;
+import org.simantics.db.WriteGraph;
+import org.simantics.db.common.procedure.adapter.ListenerAdapter;
+import org.simantics.db.common.procedure.adapter.TransientCacheListener;
+import org.simantics.db.common.request.WriteRequest;
+import org.simantics.db.common.request.WriteResultRequest;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.db.exception.ResourceNotFoundException;
+import org.simantics.db.request.Read;
+import org.simantics.db.testing.base.ExistingDatabaseTest;
+import org.simantics.layer0.Layer0;
+
+public class RecoveryFromExceptedState extends ExistingDatabaseTest {
+       
+       @Test
+       public void test() throws Exception {
+               
+               Session session = getSession();
+               
+               final Layer0 L0 = Layer0.getInstance(session);
+
+               final Resource A = session.syncRequest(new WriteResultRequest<Resource>() {
+
+                       @Override
+                       public Resource perform(WriteGraph graph) throws DatabaseException {
+
+                               Resource root = graph.getRootLibrary();
+                               Resource part = graph.newResource();
+                               graph.claim(part, L0.InstanceOf, null, L0.Entity);
+                               graph.claim(part, L0.PartOf, root);
+                               graph.claimLiteral(part, L0.HasName, "A");
+                               return part;
+
+                       }
+
+               });
+
+               try {
+
+                       /*
+                        * Create the request. Listening is needed to enforce update of the query in subsequent write 
+                        */
+                       session.syncRequest(new Read<Resource>() {
+
+                               @Override
+                               public Resource perform(ReadGraph graph) throws DatabaseException {
+                                       return graph.getResource("http://A");
+                               }
+                               
+                       }, new ListenerAdapter<Resource>());
+
+                       /*
+                        * Invalidates the request. Request is updated (is has a listener) and enters 'Excepted' state. 
+                        */
+                       session.syncRequest(new WriteRequest() {
+
+                               @Override
+                               public void perform(WriteGraph graph) throws DatabaseException {
+
+                                       graph.deny(A);
+                                       graph.deny(graph.getRootLibrary(), L0.ConsistsOf, A);
+
+                               }
+
+                       });
+
+                       /*
+                        * After this write the result is again valid. The request should be updated to 'Ready' state. 
+                        */
+                       session.syncRequest(new WriteRequest() {
+
+                               @Override
+                               public void perform(WriteGraph graph) throws DatabaseException {
+
+                                       Resource root = graph.getRootLibrary();
+                                       Resource part = graph.newResource();
+                                       graph.claim(part, L0.InstanceOf, null, L0.Entity);
+                                       graph.claim(part, L0.PartOf, root);
+                                       graph.claimLiteral(part, L0.HasName, "A");
+
+                               }
+
+                       });
+                       
+                       /*
+                        * Validate the situation. 
+                        */
+                       session.syncRequest(new Read<Resource>() {
+
+                               @Override
+                               public Resource perform(ReadGraph graph) throws DatabaseException {
+                                       return graph.getResource("http://A");
+                               }
+                               
+                       }, TransientCacheListener.<Resource>instance());
+
+               } catch(ResourceNotFoundException e) {
+
+               fail("getResource threw ResourceNotFoundException");
+
+               }
+               
+       }
+
+}