label may still be null when simulation updating
This commit is contained in:
fros4943 2006-12-13 11:55:06 +00:00
parent 8e0150d44b
commit 67048e9ea0

View file

@ -26,7 +26,7 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $Id: SimControl.java,v 1.1 2006/08/21 12:13:08 fros4943 Exp $
* $Id: SimControl.java,v 1.2 2006/12/13 11:55:06 fros4943 Exp $
*/
package se.sics.cooja.plugins;
@ -86,6 +86,9 @@ public class SimControl extends VisPlugin {
// Register as tickobserver
simulation.addTickObserver(tickObserver = new Observer() {
public void update(Observable obs, Object obj) {
if (simulation == null || simulationTime == null)
return;
// During simulation running, only update text 10 times each second
if (lastTextUpdateTime < System.currentTimeMillis() - 100) {
lastTextUpdateTime = System.currentTimeMillis();