15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package sun.java2d.xr;
  27 
  28 /**
  29  * UInt32 "emulation", mimics the behaviour of xcb's request counter.
  30  * In order to be compatible with xcb we have to wrap exactly when xcb would do.
  31  * @author Clemens Eisserer
  32  */
  33 
  34 public class XcbRequestCounter {
  35     private final static long MAX_UINT = 4294967295L;
  36 
  37     long value;
  38 
  39     public XcbRequestCounter(long value) {
  40         this.value = value;
  41     }
  42 
  43     public void setValue(long value) {
  44         this.value = value;
  45     }
  46 
  47     public long getValue() {
  48         return value;
  49     }
  50 
  51     public void add(long v) {
  52         value += v;
  53 
  54         /*Handle 32-bit unsigned int overflow*/
  55         if (value > MAX_UINT) {

  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package sun.java2d.xr;
  27 
  28 /**
  29  * UInt32 "emulation", mimics the behaviour of xcb's request counter.
  30  * In order to be compatible with xcb we have to wrap exactly when xcb would do.
  31  * @author Clemens Eisserer
  32  */
  33 
  34 public class XcbRequestCounter {
  35     private static final long MAX_UINT = 4294967295L;
  36 
  37     long value;
  38 
  39     public XcbRequestCounter(long value) {
  40         this.value = value;
  41     }
  42 
  43     public void setValue(long value) {
  44         this.value = value;
  45     }
  46 
  47     public long getValue() {
  48         return value;
  49     }
  50 
  51     public void add(long v) {
  52         value += v;
  53 
  54         /*Handle 32-bit unsigned int overflow*/
  55         if (value > MAX_UINT) {