bundles/org.simantics.modeling/src/org/simantics/modeling/scl/CompileSCLValueRequest.java

   1 package org.simantics.modeling.scl;\r
   2 \r
   3 import org.simantics.db.ReadGraph;\r
   4 import org.simantics.db.common.procedure.adapter.TransientCacheListener;\r
   5 import org.simantics.db.exception.DatabaseException;\r
   6 import org.simantics.db.layer0.variable.Variable;\r
   7 import org.simantics.scl.runtime.SCLContext;\r
   8 import org.simantics.scl.runtime.function.Function1;\r
   9 import org.simantics.structural2.scl.CompileStructuralValueRequest;\r
  10 \r
  11 public class CompileSCLValueRequest extends CompileStructuralValueRequest {\r
  12 \r
  13     public CompileSCLValueRequest(ReadGraph graph, Variable context)\r
  14             throws DatabaseException {\r
  15         super(graph, context);\r
  16     }\r
  17 \r
  18     public static Object compileAndEvaluate(ReadGraph graph, Variable context) throws DatabaseException {\r
  19         SCLContext sclContext = SCLContext.getCurrent();\r
  20         Object oldGraph = sclContext.get("graph");\r
  21         try {\r
  22             Function1<Variable,Object> exp = graph.syncRequest(new CompileSCLValueRequest(graph, context),\r
  23                     TransientCacheListener.<Function1<Variable,Object>>instance());\r
  24             sclContext.put("graph", graph);\r
  25             return exp.apply(context);\r
  26         } catch (DatabaseException e) {\r
  27             throw (DatabaseException)e;\r
  28         } catch (Throwable t) {\r
  29             throw new DatabaseException(t);\r
  30         } finally {\r
  31             sclContext.put("graph", oldGraph);\r
  32         }\r
  33     }\r
  34     \r
  35 }\r