bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/util/ModelDependenciesBean.java

   1 package org.simantics.db.layer0.util;
   2
   3 import java.util.LinkedList;
   4 import java.util.Map;
   5 import java.util.Set;
   6
   7 import org.simantics.databoard.Bindings;
   8 import org.simantics.databoard.adapter.AdaptException;
   9 import org.simantics.databoard.binding.Binding;
  10 import org.simantics.databoard.binding.mutable.Variant;
  11 import org.simantics.db.ReadGraph;
  12 import org.simantics.db.Resource;
  13 import org.simantics.db.common.request.ObjectsWithType;
  14 import org.simantics.db.exception.DatabaseException;
  15 import org.simantics.db.layer0.adapter.CopyHandler;
  16 import org.simantics.db.layer0.migration.MigrationState;
  17 import org.simantics.db.layer0.migration.MigrationStateKeys;
  18 import org.simantics.db.layer0.util.SimanticsClipboard.Representation;
  19 import org.simantics.graph.representation.TransferableGraph1;
  20 import org.simantics.layer0.Layer0;
  21
  22 public class ModelDependenciesBean {
  23
  24         public static final String EXTENSION_KEY = ModelDependenciesBean.class.getSimpleName();
  25
  26         public static final Binding BINDING = Bindings.getBindingUnchecked(ModelDependenciesBean.class);
  27
  28         public ModelDependency[] dependencies;
  29
  30         public ModelDependenciesBean() {
  31                 dependencies = new ModelDependency[0];
  32         }
  33
  34         public ModelDependenciesBean(ModelDependency[] dependencies) {
  35                 this.dependencies = dependencies;
  36         }
  37
  38         private static void collectDependencies(ReadGraph graph, Resource resource, LinkedList<ModelDependency> modelDependencies) throws DatabaseException {
  39
  40                 Layer0 L0 = Layer0.getInstance(graph);
  41                 libs: for(Resource library : graph.syncRequest(new ObjectsWithType(resource, L0.IsLinkedTo, L0.SharedOntology))) {
  42                         String uri = graph.getPossibleURI(library);
  43                         if(uri == null) continue;
  44                         for(ModelDependency dep : modelDependencies)
  45                                 if(dep.uri.equals(uri)) continue libs;
  46                         CopyHandler ch = graph.adapt(library, CopyHandler.class);
  47                         SimanticsClipboardImpl clipboard = new SimanticsClipboardImpl();
  48                         ch.copyToClipboard(graph, clipboard);
  49                         for (Set<Representation> object : clipboard.getContents()) {
  50                                 TransferableGraph1 tg = ClipboardUtils.accept(graph, object, SimanticsKeys.KEY_TRANSFERABLE_GRAPH);
  51                                 if(tg != null) {
  52                                         modelDependencies.addFirst(new ModelDependency(uri, tg));
  53                                 }
  54                         }
  55                         collectDependencies(graph, library, modelDependencies);
  56                 }
  57
  58         }
  59
  60         public static ModelDependenciesBean create(ReadGraph graph, Resource resource) throws DatabaseException {
  61
  62                 LinkedList<ModelDependency> dependencies = new LinkedList<>();
  63                 collectDependencies(graph, resource, dependencies);
  64                 return new ModelDependenciesBean(dependencies.toArray(new ModelDependency[dependencies.size()]));
  65
  66         }
  67
  68         public static ModelDependenciesBean fromMigrationState(MigrationState state) throws DatabaseException {
  69                 Map<String,Variant> extensions = state.getProperty(MigrationStateKeys.TG_EXTENSIONS);
  70                 final Variant variant = extensions.get(ModelDependenciesBean.EXTENSION_KEY);
  71                 if (variant != null) {
  72                         try {
  73                                 return (ModelDependenciesBean) variant.getValue(ModelDependenciesBean.BINDING);
  74                         } catch (AdaptException e) {
  75                                 e.printStackTrace();
  76                         }
  77                 }
  78                 return null;
  79         }
  80
  81 }