bundles/org.simantics.graph.compiler/src/org/simantics/graph/compiler/internal/procedures/ApplyTemplates.java

   1 package org.simantics.graph.compiler.internal.procedures;
   2
   3 import gnu.trove.map.hash.TIntObjectHashMap;
   4
   5 import java.util.Arrays;
   6 import java.util.Collection;
   7
   8 import org.simantics.databoard.Bindings;
   9 import org.simantics.graph.compiler.ExternalFileLoader;
  10 import org.simantics.graph.compiler.internal.store.LocationStore;
  11 import org.simantics.graph.compiler.internal.templates.BuiltinTemplates;
  12 import org.simantics.graph.compiler.internal.templates.GraphTemplate;
  13 import org.simantics.graph.compiler.internal.templates.ITemplate;
  14 import org.simantics.graph.compiler.internal.templates.TemplateInstanceStore;
  15 import org.simantics.graph.query.IGraph;
  16 import org.simantics.graph.query.Path;
  17 import org.simantics.graph.query.Paths;
  18 import org.simantics.graph.query.Res;
  19 import org.simantics.graph.representation.TransferableGraph1;
  20 import org.simantics.graph.store.GraphStore;
  21 import org.simantics.ltk.Location;
  22 import org.simantics.ltk.Problem;
  23
  24 public class ApplyTemplates implements Runnable {
  25         IGraph graph;
  26         GraphStore store;
  27         Collection<Problem> problems;
  28         ExternalFileLoader fileLoader;
  29         BuiltinTemplates builtinTemplates;
  30
  31         public ApplyTemplates(IGraph graph, GraphStore store,
  32                         Collection<Problem> problems, ExternalFileLoader fileLoader) {
  33                 this.graph = graph;
  34                 this.store = store;
  35                 this.problems = problems;
  36                 this.fileLoader = fileLoader;
  37                 this.builtinTemplates = new BuiltinTemplates(graph.getPaths());
  38         }
  39
  40         TIntObjectHashMap<ITemplate> cache = new TIntObjectHashMap<ITemplate>();
  41
  42         ITemplate getTemplate(int id) {
  43                 ITemplate template = cache.get(id);
  44                 if(template == null) {
  45                         template = createTemplate(id);
  46                         cache.put(id, template);
  47                 }
  48                 return template;
  49         }
  50
  51         ITemplate createTemplate(int id) {
  52                 Res res = store.idToRes(id);
  53                 if(res instanceof Path) {
  54                         ITemplate template = builtinTemplates.TEMPLATES.get((Path)res);
  55                         if(template != null)
  56                                 return template;
  57                 }
  58
  59                 Paths paths = graph.getPaths();
  60                 try {
  61                         Res template = graph.singleRawObject(res, paths.HasTemplate);
  62                         TransferableGraph1 tg = (TransferableGraph1)
  63                                 graph.getValue(template, TransferableGraph1.BINDING);
  64
  65                         Res templateParameters = graph.singleRawObject(res, paths.HasTemplateParameters);
  66                         String[] parameters = (String[])graph.getValue(templateParameters).getValue(Bindings.STRING_ARRAY);
  67
  68                         return new GraphTemplate(store, parameters, tg);
  69                 } catch(Exception e) {
  70                         //e.printStackTrace();
  71                         Location location = store.getStore(LocationStore.class)
  72                                 .getLocation(id);
  73                         problems.add(new Problem(
  74                                         location, e.getMessage()));
  75                         return null;
  76                 }
  77         }
  78
  79         @Override
  80         public void run() {
  81                 TemplateInstanceStore templateStore = store.getStore(TemplateInstanceStore.class);
  82                 if(templateStore == null)
  83                         return;
  84
  85                 for(int[] inst : templateStore.getTemplateInstances()) {
  86                         ITemplate template = getTemplate(inst[0]);
  87                         if(template != null)
  88                                 template.apply(graph, store, Arrays.copyOfRange(inst, 1, inst.length), fileLoader, problems);
  89                 }
  90         }
  91 }