Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.scenegraph.loader / src / org / simantics / scenegraph / loader / SceneGraphVariableBuilder.java

diff --git a/bundles/org.simantics.scenegraph.loader/src/org/simantics/scenegraph/loader/SceneGraphVariableBuilder.java b/bundles/org.simantics.scenegraph.loader/src/org/simantics/scenegraph/loader/SceneGraphVariableBuilder.java
new file mode 100644 (file)
index 0000000..bfeb5d8
--- /dev/null
+++ b/bundles/org.simantics.scenegraph.loader/src/org/simantics/scenegraph/loader/SceneGraphVariableBuilder.java
@@ -0,0 +1,31 @@
+package org.simantics.scenegraph.loader;\r
+\r
+import org.simantics.db.ReadGraph;\r
+import org.simantics.db.Resource;\r
+import org.simantics.db.exception.DatabaseException;\r
+import org.simantics.db.layer0.variable.StandardGraphChildVariable;\r
+import org.simantics.db.layer0.variable.StandardGraphPropertyVariable;\r
+import org.simantics.db.layer0.variable.Variable;\r
+import org.simantics.db.layer0.variable.VariableBuilder;\r
+import org.simantics.db.layer0.variable.VariableNode;\r
+\r
+public class SceneGraphVariableBuilder implements VariableBuilder<Object> {\r
+\r
+       @Override\r
+       public Variable buildChild(ReadGraph graph, Variable parent,\r
+                       VariableNode<Object> node, Resource child) throws DatabaseException {\r
+               SceneGraphContext vc = ScenegraphLoaderUtils.getContext(graph, parent);\r
+               if(vc != null)\r
+                       return new ScenegraphVariable(parent, child, null, null);\r
+               else\r
+                       return new StandardGraphChildVariable(parent, null, child);\r
+       }\r
+\r
+       @Override\r
+       public Variable buildProperty(ReadGraph graph, Variable parent,\r
+                       VariableNode<Object> node, Resource subject, Resource predicate)\r
+                       throws DatabaseException {\r
+               return new StandardGraphPropertyVariable(graph, parent, null, subject, predicate);\r
+       }\r
+\r
+}\r