gerrit.simantics Code Review - simantics/platform.git/blob

   1 package org.simantics.spreadsheet.graph.function;
   2
   3 import java.util.Map;
   4
   5 import org.simantics.db.ReadGraph;
   6 import org.simantics.db.Resource;
   7 import org.simantics.db.common.procedure.adapter.TransientCacheListener;
   8 import org.simantics.db.common.request.IndexRoot;
   9 import org.simantics.db.common.request.ResourceRead2;
  10 import org.simantics.db.exception.DatabaseException;
  11 import org.simantics.db.layer0.util.RuntimeEnvironmentRequest;
  12 import org.simantics.db.layer0.variable.Variable;
  13 import org.simantics.layer0.Layer0;
  14 import org.simantics.scl.compiler.runtime.RuntimeEnvironment;
  15 import org.simantics.scl.runtime.SCLContext;
  16 import org.simantics.scl.runtime.function.Function1;
  17 import org.simantics.structural2.scl.CompileStructuralValueRequest;
  18 import org.simantics.structural2.scl.ComponentTypeProperty;
  19 import org.simantics.structural2.scl.ReadComponentTypeInterfaceRequest;
  20
  21 public class CompileSCLValueRequest extends CompileStructuralValueRequest {
  22
  23     public CompileSCLValueRequest(ReadGraph graph, Variable context)
  24             throws DatabaseException {
  25         super(graph, context);
  26     }
  27
  28     public static Object compileAndEvaluate(ReadGraph graph, Variable context) throws DatabaseException {
  29         SCLContext sclContext = SCLContext.getCurrent();
  30         Object oldGraph = sclContext.get("graph");
  31         try {
  32             Function1<Variable,Object> exp = graph.syncRequest(new CompileSCLValueRequest(graph, context),
  33                     TransientCacheListener.<Function1<Variable,Object>>instance());
  34             sclContext.put("graph", graph);
  35             return exp.apply(context);
  36         } catch (DatabaseException e) {
  37             throw (DatabaseException)e;
  38         } catch (Throwable t) {
  39             throw new DatabaseException(t);
  40         } finally {
  41             sclContext.put("graph", oldGraph);
  42         }
  43     }
  44
  45     @Override
  46     protected CompilationContext getCompilationContext(ReadGraph graph) throws DatabaseException {
  47         Resource indexRoot = graph.syncRequest(new IndexRoot(literal));
  48         return graph.syncRequest(new ResourceRead2<CompilationContext>(component, indexRoot) {
  49             @Override
  50             public CompilationContext perform(ReadGraph graph) throws DatabaseException {
  51                 Layer0 L0 = Layer0.getInstance(graph);
  52                 Resource parent = graph.getPossibleObject(resource, L0.PartOf);
  53                 Resource type = graph.getPossibleType(parent, L0.Entity);
  54                 RuntimeEnvironment runtimeEnvironment = graph.syncRequest(new RuntimeEnvironmentRequest(resource2));
  55                 Map<String, ComponentTypeProperty> propertyMap =
  56                         graph.syncRequest(new ReadComponentTypeInterfaceRequest(type, runtimeEnvironment.getEnvironment()),
  57                                 TransientCacheListener.<Map<String, ComponentTypeProperty>>instance());
  58                 return new CompilationContext(runtimeEnvironment, propertyMap);
  59             }
  60         });
  61     }
  62
  63 }