code: @InService(PageServiceImpl.class)
    static PageLeafImpl readCheckpointFull(TableKelp table, 
                                           PageServiceImpl pageActor,
                                           InputStream is,
                                           int pid,
                                           int nextPid,
                                           long sequence)
      throws IOException
    {
      byte []minKey = new byte[table.getKeyLength()];
      byte []maxKey = new byte[table.getKeyLength()];
      
      int count = 0;
      BlockLeaf []blocks;
      
      IoUtil.readAll(is, minKey, 0, minKey.length);
      IoUtil.readAll(is, maxKey, 0, maxKey.length);
  
      count = BitsUtil.readInt16(is);
      
      blocks = new BlockLeaf[count];
      
      for (int i = 0; i < count; i++) {
        blocks[i] = new BlockLeaf(pid);
        
        blocks[i].readCheckpointFull(is);
      }
      
      if (count == 0) {
        blocks = new BlockLeaf[] { new BlockLeaf(pid) };
      }
  
      PageLeafImpl page = new PageLeafImpl(pid, nextPid, sequence,
                                           table, minKey, maxKey, blocks);
      
      page.clearDirty();
      
      page.validate(table);
      page.toSorted(table);
      
      return page;
    }
docs: Reads a full checkpoint entry into the page.