Merge branch 'private/db-threads' into private/threads-testing

[simantics/platform.git] / bundles / org.simantics.db.common / src / org / simantics / db / common / request / PossibleTypedParent.java

diff --git a/bundles/org.simantics.db.common/src/org/simantics/db/common/request/PossibleTypedParent.java b/bundles/org.simantics.db.common/src/org/simantics/db/common/request/PossibleTypedParent.java
index f962227dbd88f99f868f34f52868e4cb73611c25..bae974e3ed235fdd490939699a4f2ab4c283b6a1 100644 (file)
--- a/bundles/org.simantics.db.common/src/org/simantics/db/common/request/PossibleTypedParent.java
+++ b/bundles/org.simantics.db.common/src/org/simantics/db/common/request/PossibleTypedParent.java
@@ -1,70 +1,88 @@
-/*******************************************************************************\r
- * Copyright (c) 2007, 2010 Association for Decentralized Information Management\r
- * in Industry THTH ry.\r
- * All rights reserved. This program and the accompanying materials\r
- * are made available under the terms of the Eclipse Public License v1.0\r
- * which accompanies this distribution, and is available at\r
- * http://www.eclipse.org/legal/epl-v10.html\r
- *\r
- * Contributors:\r
- *     VTT Technical Research Centre of Finland - initial API and implementation\r
- *******************************************************************************/\r
-package org.simantics.db.common.request;\r
-\r
-import org.simantics.db.AsyncReadGraph;\r
-import org.simantics.db.Resource;\r
-import org.simantics.db.procedure.AsyncProcedure;\r
-import org.simantics.layer0.Layer0;\r
-\r
-public class PossibleTypedParent extends ResourceAsyncRead2<Resource> {\r
-\r
-       public PossibleTypedParent(Resource resource, Resource type) {\r
-               super(resource, type);\r
-       }\r
-\r
-       @Override\r
-       public void perform(AsyncReadGraph graph, final AsyncProcedure<Resource> procedure) {\r
-\r
-           final Layer0 l0 = graph.getService(Layer0.class);\r
-\r
-               graph.forIsInstanceOf(resource, resource2, new AsyncProcedure<Boolean>() {\r
-\r
-                       @Override\r
-                       public void execute(AsyncReadGraph graph, Boolean isInstance) {\r
-                               if(isInstance) {\r
-                                       procedure.execute(graph, resource);\r
-                               } else {\r
-                                       \r
-                                       graph.forPossibleObject(resource, l0.PartOf, new AsyncProcedure<Resource>() {\r
-\r
-                                               @Override\r
-                                               public void execute(AsyncReadGraph graph, final Resource parent) {\r
-\r
-                                                       if(parent == null) {\r
-                                                               procedure.execute(graph, null);\r
-                                                       } else {\r
-                                                               graph.asyncRequest(new PossibleTypedParent(parent, resource2), procedure);\r
-                                                       }\r
-                                                       \r
-                                               }\r
-\r
-                                               @Override\r
-                                               public void exception(AsyncReadGraph graph, Throwable throwable) {\r
-                                                       procedure.exception(graph, throwable);\r
-                                               }\r
-                                               \r
-                                       });\r
-                                       \r
-                               }\r
-                       }\r
-\r
-                       @Override\r
-                       public void exception(AsyncReadGraph graph, Throwable throwable) {\r
-                               procedure.exception(graph, throwable);\r
-                       }\r
-               });\r
-               \r
-               \r
-       }\r
-\r
-}\r
+/*******************************************************************************
+ * 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.common.request;
+
+import org.simantics.db.AsyncReadGraph;
+import org.simantics.db.ReadGraph;
+import org.simantics.db.Resource;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.db.procedure.AsyncProcedure;
+import org.simantics.layer0.Layer0;
+
+public class PossibleTypedParent extends ResourceRead2<Resource> {
+
+       public PossibleTypedParent(Resource resource, Resource type) {
+               super(resource, type);
+       }
+
+
+       @Override
+       public Resource perform(ReadGraph graph) throws DatabaseException {
+               if(graph.isInstanceOf(resource, resource2)) {
+                       return resource;
+               } else {
+                       Layer0 L0 = Layer0.getInstance(graph);
+                       Resource possibleParent = graph.getPossibleObject(resource, L0.PartOf);
+                       if(possibleParent != null) {
+                               return graph.syncRequest(new PossibleTypedParent(possibleParent, resource2));
+                       } else {
+                               return null;    
+                       }
+               }
+       }
+
+//     @Override
+//     public void perform(AsyncReadGraph graph, final AsyncProcedure<Resource> procedure) {
+//
+//         final Layer0 l0 = graph.getService(Layer0.class);
+//
+//             graph.forIsInstanceOf(resource, resource2, new AsyncProcedure<Boolean>() {
+//
+//                     @Override
+//                     public void execute(AsyncReadGraph graph, Boolean isInstance) {
+//                             if(isInstance) {
+//                                     procedure.execute(graph, resource);
+//                             } else {
+//                                     
+//                                     graph.forPossibleObject(resource, l0.PartOf, new AsyncProcedure<Resource>() {
+//
+//                                             @Override
+//                                             public void execute(AsyncReadGraph graph, final Resource parent) {
+//
+//                                                     if(parent == null) {
+//                                                             procedure.execute(graph, null);
+//                                                     } else {
+//                                                             graph.asyncRequest(new PossibleTypedParent(parent, resource2), procedure);
+//                                                     }
+//                                                     
+//                                             }
+//
+//                                             @Override
+//                                             public void exception(AsyncReadGraph graph, Throwable throwable) {
+//                                                     procedure.exception(graph, throwable);
+//                                             }
+//                                             
+//                                     });
+//                                     
+//                             }
+//                     }
+//
+//                     @Override
+//                     public void exception(AsyncReadGraph graph, Throwable throwable) {
+//                             procedure.exception(graph, throwable);
+//                     }
+//             });
+//             
+//             
+//     }
+
+}