--- /dev/null
+package org.simantics.db.layer0.variable;\r
+\r
+import java.util.Collection;\r
+\r
+import org.simantics.db.ReadGraph;\r
+import org.simantics.db.exception.DatabaseException;\r
+\r
+public interface VariableFactory {\r
+ \r
+ Collection<Variable> evaluate(ReadGraph graph, Variable variable) throws DatabaseException;\r
+\r
+}\r