From fbb09061c862c727f01a5621d19fdae17ee150b0 Mon Sep 17 00:00:00 2001
From: fros4943 <fros4943>
Date: Wed, 18 Feb 2009 10:41:50 +0000
Subject: [PATCH] example mote implementation uses main random generator

---
 .../java/se/sics/cooja/motes/DummyMote.java   | 21 ++++++++++++-------
 1 file changed, 13 insertions(+), 8 deletions(-)

diff --git a/tools/cooja/java/se/sics/cooja/motes/DummyMote.java b/tools/cooja/java/se/sics/cooja/motes/DummyMote.java
index fbbe2a0cb..2eb2e4d05 100644
--- a/tools/cooja/java/se/sics/cooja/motes/DummyMote.java
+++ b/tools/cooja/java/se/sics/cooja/motes/DummyMote.java
@@ -26,7 +26,7 @@
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  *
- * $Id: DummyMote.java,v 1.6 2008/12/04 14:03:42 joxe Exp $
+ * $Id: DummyMote.java,v 1.7 2009/02/18 10:41:50 fros4943 Exp $
  */
 
 package se.sics.cooja.motes;
@@ -68,7 +68,7 @@ public class DummyMote implements Mote {
   private MoteInterfaceHandler myInterfaceHandler = null;
   private Simulation mySim = null;
 
-  private Random myRandom = new Random();
+  private Random random = null;
 
   /**
    * Creates a new uninitialized dummy mote.
@@ -88,6 +88,7 @@ public class DummyMote implements Mote {
   public DummyMote(MoteType moteType, Simulation sim) {
     mySim = sim;
     myType = moteType;
+    random = mySim.getRandomGenerator();
 
     // Create memory
     myMemory = new SectionMoteMemory(new Properties());
@@ -95,8 +96,11 @@ public class DummyMote implements Mote {
     // Create interface handler
     myInterfaceHandler = new MoteInterfaceHandler();
     Position myPosition = new Position(this);
-    myPosition.setCoordinates(myRandom.nextDouble() * 100, myRandom
-        .nextDouble() * 100, myRandom.nextDouble() * 100);
+    myPosition.setCoordinates(
+        random.nextDouble() * 100,
+        random.nextDouble() * 100,
+        random.nextDouble() * 100
+    );
     myInterfaceHandler.addInterface(myPosition);
   }
 
@@ -149,13 +153,13 @@ public class DummyMote implements Mote {
   public boolean tick(long simTime) {
 
     // Perform some dummy task
-    if (myRandom.nextDouble() > 0.9) {
+    if (random.nextDouble() > 0.9) {
       // Move mote randomly
       Position myPosition = myInterfaceHandler.getPosition();
       myPosition.setCoordinates(myPosition.getXCoordinate()
-          + myRandom.nextDouble() - 0.5, myPosition.getYCoordinate()
-          + myRandom.nextDouble() - 0.5, myPosition.getZCoordinate()
-          + myRandom.nextDouble() - 0.5);
+          + random.nextDouble() - 0.5, myPosition.getYCoordinate()
+          + random.nextDouble() - 0.5, myPosition.getZCoordinate()
+          + random.nextDouble() - 0.5);
     }
     return false;
   }
@@ -187,6 +191,7 @@ public class DummyMote implements Mote {
       Collection<Element> configXML, boolean visAvailable) {
     mySim = simulation;
     myMemory = new SectionMoteMemory(new Properties());
+    random = mySim.getRandomGenerator();
     myInterfaceHandler = new MoteInterfaceHandler();
     myInterfaceHandler.addInterface(new Position(this));