Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.objmap2 / src / org / simantics / objmap / structural / rules / domain / StructuralUtils.java

diff --git a/bundles/org.simantics.objmap2/src/org/simantics/objmap/structural/rules/domain/StructuralUtils.java b/bundles/org.simantics.objmap2/src/org/simantics/objmap/structural/rules/domain/StructuralUtils.java
new file mode 100644 (file)
index 0000000..0f0d1e7
--- /dev/null
+++ b/bundles/org.simantics.objmap2/src/org/simantics/objmap/structural/rules/domain/StructuralUtils.java
@@ -0,0 +1,116 @@
+/*******************************************************************************\r
+ * Copyright (c) 2012, 2013 Association for Decentralized Information Management in\r
+ * 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.objmap.structural.rules.domain;\r
+\r
+import org.simantics.db.ReadGraph;\r
+import org.simantics.db.Resource;\r
+import org.simantics.db.WriteGraph;\r
+import org.simantics.db.exception.DatabaseException;\r
+import org.simantics.db.exception.NoSingleResultException;\r
+import org.simantics.layer0.Layer0;\r
+import org.simantics.objmap.structural.StructuralResource;\r
+import org.simantics.structural.stubs.StructuralResource2;\r
+\r
+public class StructuralUtils {\r
+\r
+       \r
+       public static boolean isStructuralInstance(ReadGraph g, Resource r) throws DatabaseException {\r
+               StructuralResource2 sr = StructuralResource2.getInstance(g);\r
+                if (g.isInstanceOf(r, sr.Component)) {\r
+                        Resource type = g.getSingleType(r);\r
+                        return g.isInstanceOf(type, sr.Component);\r
+                }\r
+                return false;\r
+               \r
+       }\r
+       \r
+       public static Resource getContainingInstance(StructuralResource element) {\r
+               if (!element.isStructural())\r
+                       return null;\r
+               Resource instance = element.getContext().get(element.getContext().size()-1);\r
+               return instance;\r
+       }\r
+       \r
+       public static Resource getPublishedRelation(ReadGraph g, StructuralResource element, Resource relation) throws DatabaseException{\r
+               Resource instance = getContainingInstance(element);\r
+               if (instance == null)\r
+                       return null;\r
+               \r
+               Layer0 l0 = Layer0.getInstance(g);\r
+               StructuralResource2 sr = StructuralResource2.getInstance(g);\r
+               \r
+           Resource type = null;\r
+           try {\r
+               type = g.getSingleType(instance);\r
+           } catch (NoSingleResultException e) {\r
+               \r
+           }\r
+           if (type == null)\r
+               return null;\r
+           \r
+           boolean elementPublished = false;\r
+           Resource publicRelation = null;\r
+           for (Resource r : g.getObjects(type, l0.DomainOf)) {\r
+               if (r.equals(element.getResource()))\r
+                       elementPublished = true;\r
+               if (g.isInstanceOf(r, relation)) {\r
+                       if (element.getResource().equals(g.getPossibleObject(r, sr.IsBoundBy)))\r
+                               publicRelation = r;\r
+               }\r
+           }\r
+           if (!elementPublished)\r
+               return null;\r
+           return publicRelation;\r
+       }\r
+       \r
+       public static Resource getOrCreatePublishedRelation(WriteGraph g, StructuralResource element, Resource relation) throws DatabaseException{\r
+               Resource instance = getContainingInstance(element);\r
+               if (instance == null)\r
+                       return null;\r
+               \r
+               Layer0 l0 = Layer0.getInstance(g);\r
+               StructuralResource2 sr = StructuralResource2.getInstance(g);\r
+               \r
+           Resource type = g.getSingleType(instance);\r
+           \r
+           boolean elementPublished = false;\r
+           Resource publicRelation = null;\r
+           for (Resource r : g.getObjects(type, l0.DomainOf)) {\r
+               if (r.equals(element.getResource()))\r
+                       elementPublished = true;\r
+               if (g.isInstanceOf(r, relation)) {\r
+                       if (element.getResource().equals(g.getPossibleObject(r, sr.IsBoundBy)))\r
+                               publicRelation = r;\r
+               }\r
+           }\r
+           if (!elementPublished)\r
+               return null;\r
+           if (publicRelation != null)\r
+               return publicRelation;\r
+           \r
+           publicRelation = g.newResource();\r
+           // TODO: type ConsistsOf publicRelation, publicRelation ConsistsOf publicInverse ?\r
+           g.claim(publicRelation, l0.SubrelationOf, l0.IsRelatedTo);\r
+           g.claim(publicRelation, l0.InstanceOf, relation);\r
+           g.claim(publicRelation, sr.IsBoundBy, element.getResource());\r
+           g.claim(type, l0.DomainOf, publicRelation);\r
+           g.claimLiteral(publicRelation, l0.HasName, g.getRelatedValue(element.getResource(), l0.HasName) +"_" + g.getRelatedValue(relation, l0.HasName)); \r
+           Resource inverse = g.getPossibleInverse(relation);\r
+           if (inverse != null) {\r
+               Resource publicInverse = g.newResource();\r
+               g.claim(publicInverse, l0.SubrelationOf, inverse);\r
+               g.claim(publicRelation, l0.InverseOf, publicInverse);\r
+           }\r
+           return publicRelation;\r
+           \r
+       }\r
+}\r