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

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