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

   1 package org.simantics.db.impl.query;
   2
   3 import gnu.trove.procedure.TLongProcedure;
   4 import gnu.trove.set.hash.TLongHashSet;
   5
   6 final public class ObjectUpdateSet {
   7
   8         private long first = 0;
   9         public TLongHashSet rest = new TLongHashSet();
  10
  11         public int size() {
  12                 if(first != 0) return 1;
  13                 else return rest.size();
  14         }
  15
  16         public long getFirst() {
  17                 return first;
  18         }
  19
  20         public void add(long 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 TLongHashSet();
  39                         //System.err.println("new rest!");
  40                 }
  41                 //rest.clear();
  42         }
  43
  44         public void forEach(TLongProcedure proc) {
  45                 if(first != 0) {
  46                         proc.execute(first);
  47                 } else {
  48                         rest.forEach(proc);
  49                 }
  50         }
  51
  52 }