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

   1 package org.simantics.graph.compiler.internal.procedures;
   2
   3 import org.simantics.graph.query.Paths;
   4 import org.simantics.graph.store.GraphStore;
   5 import org.simantics.graph.store.IdentityStore;
   6
   7 import gnu.trove.list.array.TIntArrayList;
   8 import gnu.trove.map.hash.TIntIntHashMap;
   9
  10 public class MergeEqualResources implements Runnable {
  11
  12         GraphStore store;
  13         Paths paths;
  14
  15         public MergeEqualResources(Paths paths, GraphStore store) {
  16             this.paths = paths;
  17                 this.store = store;
  18         }
  19
  20         @Override
  21         public void run() {
  22                 IdentityStore identities = store.identities;
  23                 if(identities.contains(paths.Equals)) {
  24                         int equalsId = identities.pathToId(paths.Equals);
  25                         identities.removeIdentity(equalsId);
  26                         TIntArrayList rel = store.statements.extractRelation(equalsId);
  27                         for(int i=0;i<rel.size();i+=2)
  28                                 identities.unify(rel.get(i), rel.get(i+1));
  29                 }
  30
  31                 TIntIntHashMap map = identities.extractUnifications();
  32                 do {
  33                         store.map(map);
  34                         map = identities.extractUnifications();
  35                 } while(!map.isEmpty());
  36         }
  37
  38 }