UnsafeTrade.java

private static class UnsafeTrade {
    private static long offset = 0;

    private static final long ticketOffset = offset += 0;
    private static final long amountOffset = offset += 4;
    private static final long priceOffset = offset += 4;
    private static final long buyOffset = offset += 4;

    private static final long objectSize = offset += 1;

    private long objectOffset;

    public static long getObjectSize() {
      return objectSize;
    }

    void setObjectOffset(final long objectOffset) {
      this.objectOffset = objectOffset;
    }


    public void setTicket(final int ticket) {
      unsafe.putInt(objectOffset + ticketOffset, ticket);
    }

    public long getPrice() {
      return unsafe.getInt(objectOffset + priceOffset);
    }

    public void setPrice(final int price) {
      unsafe.putInt(objectOffset + priceOffset, price);
    }

    //other getters and setters
  }