bundles/org.simantics.db.impl/src/org/simantics/db/impl/query/ValueUpdateSet.java

   1 package org.simantics.db.impl.query;
   2
   3 import gnu.trove.procedure.TIntProcedure;
   4 import gnu.trove.set.hash.TIntHashSet;
   5
   6 final public class ValueUpdateSet {
   7
   8         private int first = 0;
   9         public TIntHashSet rest = new TIntHashSet();
  10
  11         public int size() {
  12                 if(first != 0) return 1;
  13                 else return rest.size();
  14         }
  15
  16         public int getFirst() {
  17                 return first;
  18         }
  19
  20         public void add(int l) {
  21                 if(first == 0) {
  22                         if(rest.isEmpty()) {
  23                                 first = l;
  24                         } else {
  25                                 rest.add(l);
  26                         }
  27                 } else {
  28                         if(l == first) return;
  29                         rest.add(first);
  30                         rest.add(l);
  31                         first = 0;
  32                 }
  33         }
  34
  35         public void clear() {
  36                 first = 0;
  37                 if(!rest.isEmpty()) {
  38                         rest = new TIntHashSet();
  39                         //System.err.println("new rest!");
  40                 }
  41         }
  42
  43         public void forEach(TIntProcedure proc) {
  44                 if(first != 0) {
  45                         proc.execute(first);
  46                 } else {
  47                         rest.forEach(proc);
  48                 }
  49         }
  50
  51 }