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

   1 package org.simantics.modeling.scl;
   2
   3 import org.simantics.db.ReadGraph;
   4 import org.simantics.db.Resource;
   5 import org.simantics.db.common.procedure.adapter.TransientCacheListener;
   6 import org.simantics.db.exception.DatabaseException;
   7 import org.simantics.db.layer0.scl.ExpressionAnalysis;
   8 import org.simantics.db.layer0.variable.Variable;
   9 import org.simantics.scl.runtime.SCLContext;
  10 import org.simantics.scl.runtime.function.Function1;
  11 import org.simantics.structural2.scl.AnalyseStructuralValueRequest;
  12
  13 public class AnalyseSCLValueRequest extends AnalyseStructuralValueRequest {
  14
  15     public AnalyseSCLValueRequest(ReadGraph graph, Resource component, Resource value, Resource predicate)
  16             throws DatabaseException {
  17         super(component, value, predicate);
  18     }
  19
  20     @Override
  21     protected ExpressionAnalysis<Variable> getAnalysis(AnalysisCompilationContext context, Function1<Variable, Object> fn) {
  22         return new ExpressionAnalysis(fn, context.getConsumed());
  23     }
  24
  25     public static ExpressionAnalysis analyse(ReadGraph graph, Resource component, Resource predicate, Resource value) throws DatabaseException {
  26         SCLContext sclContext = SCLContext.getCurrent();
  27         Object oldGraph = sclContext.get("graph");
  28         try {
  29             ExpressionAnalysis result = graph.syncRequest(new AnalyseSCLValueRequest(graph, component, value, predicate),
  30                     TransientCacheListener.<ExpressionAnalysis<Variable>>instance());
  31             sclContext.put("graph", graph);
  32             return result;
  33         } catch (DatabaseException e) {
  34             throw (DatabaseException)e;
  35         } catch (Throwable t) {
  36             throw new DatabaseException(t);
  37         } finally {
  38             sclContext.put("graph", oldGraph);
  39         }
  40     }
  41
  42 }