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

   1 package org.simantics.graph.compiler.internal.procedures;
   2
   3 import org.simantics.graph.store.GraphStore;
   4
   5 import gnu.trove.map.hash.TIntIntHashMap;
   6
   7 public class Compactify implements Runnable {
   8         GraphStore store;
   9
  10         public Compactify(GraphStore store) {
  11                 this.store = store;
  12         }
  13
  14         @Override
  15         public void run() {
  16                 // Mark all used resources
  17                 int resourceCount = store.identities.getResourceCount();
  18                 final boolean[] temp = new boolean[resourceCount];
  19                 store.collectReferences(temp);
  20
  21                 // Create a map
  22                 int newResourceCount = 0;
  23                 TIntIntHashMap map = new TIntIntHashMap(resourceCount);
  24                 for(int i=0;i<resourceCount;++i)
  25                         if(temp[i])
  26                                 map.put(i, newResourceCount++);
  27                 if(newResourceCount < resourceCount) {
  28                         store.map(map);
  29                         store.identities.setResourceCount(newResourceCount);
  30                 }
  31         }
  32 }