fixed potential memory leak when motes are removed during a simulation
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a4226e14c5
commit
281639c779
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@ -26,7 +26,7 @@
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $Id: LogVisualizerSkin.java,v 1.3 2009/08/27 13:59:47 fros4943 Exp $
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* $Id: LogVisualizerSkin.java,v 1.4 2009/10/28 15:42:03 fros4943 Exp $
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*/
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package se.sics.cooja.plugins.skins;
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@ -43,6 +43,7 @@ import org.apache.log4j.Logger;
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import se.sics.cooja.ClassDescription;
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import se.sics.cooja.Mote;
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import se.sics.cooja.Simulation;
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import se.sics.cooja.SimEventCentral.MoteCountListener;
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import se.sics.cooja.interfaces.Log;
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import se.sics.cooja.interfaces.Position;
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import se.sics.cooja.plugins.Visualizer;
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@ -67,17 +68,18 @@ public class LogVisualizerSkin implements VisualizerSkin {
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visualizer.repaint();
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}
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};
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private Observer simObserver = new Observer() {
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public void update(Observable obs, Object obj) {
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/* Observe logs */
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for (Mote mote: simulation.getMotes()) {
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Log log = mote.getInterfaces().getLog();
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if (log != null) {
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log.addObserver(logObserver);
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}
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private MoteCountListener newMotesListener = new MoteCountListener() {
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public void moteWasAdded(Mote mote) {
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Log log = mote.getInterfaces().getLog();
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if (log != null) {
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log.addObserver(logObserver);
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}
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}
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public void moteWasRemoved(Mote mote) {
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Log log = mote.getInterfaces().getLog();
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if (log != null) {
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log.deleteObserver(logObserver);
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}
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visualizer.repaint();
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}
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};
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@ -85,17 +87,16 @@ public class LogVisualizerSkin implements VisualizerSkin {
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this.simulation = simulation;
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this.visualizer = vis;
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simulation.addObserver(simObserver);
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simObserver.update(null, null);
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simulation.getEventCentral().addMoteCountListener(newMotesListener);
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for (Mote m: simulation.getMotes()) {
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newMotesListener.moteWasAdded(m);
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}
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}
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public void setInactive() {
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simulation.deleteObserver(simObserver);
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for (Mote mote: simulation.getMotes()) {
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Log log = mote.getInterfaces().getLog();
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if (log != null) {
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log.deleteObserver(logObserver);
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}
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simulation.getEventCentral().removeMoteCountListener(newMotesListener);
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for (Mote m: simulation.getMotes()) {
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newMotesListener.moteWasRemoved(m);
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}
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}
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