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

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