Version 11, August 2010

[GpsPrune.git] / tim / prune / UpdateMessageBroker.java

diff --git a/tim/prune/UpdateMessageBroker.java b/tim/prune/UpdateMessageBroker.java
index f2dfd2aaeb2ca1a072a37ac21d36a32874d1bbdd..337fc27967712542addcde896b07568558058d03 100644 (file)
--- a/tim/prune/UpdateMessageBroker.java
+++ b/tim/prune/UpdateMessageBroker.java
@@ -4,28 +4,18 @@ package tim.prune;
  * Class responsible for distributing update information
  * to all registered listeners
  */
-public class UpdateMessageBroker
+public abstract class UpdateMessageBroker
 {
-       private DataSubscriber[] _subscribers;
-       private int _subscriberNum = 0;
-       private static final int MAXIMUM_NUMBER_SUBSCRIBERS = 4;
-
-
-       /**
-        * Constructor
-        * @param inTrack Track object
-        */
-       public UpdateMessageBroker()
-       {
-               _subscribers = new DataSubscriber[MAXIMUM_NUMBER_SUBSCRIBERS];
-       }
+       private static final int MAXIMUM_NUMBER_SUBSCRIBERS = 6;
+       private static DataSubscriber[] _subscribers = new DataSubscriber[MAXIMUM_NUMBER_SUBSCRIBERS];
+       private static int _subscriberNum = 0;
 
 
        /**
         * Add a data subscriber to the list
         * @param inSub DataSubscriber to add
         */
-       public void addSubscriber(DataSubscriber inSub)
+       public static void addSubscriber(DataSubscriber inSub)
        {
                _subscribers[_subscriberNum] = inSub;
                _subscriberNum++;
@@ -36,13 +26,39 @@ public class UpdateMessageBroker
         * Send a message to all subscribers that
         * the data has been updated
         */
-       public void informSubscribers()
+       public static void informSubscribers()
+       {
+               informSubscribers(DataSubscriber.ALL);
+       }
+
+
+       /**
+        * Send message to all subscribers
+        * @param inChange Change that occurred
+        */
+       public static void informSubscribers(byte inChange)
+       {
+               // TODO: Launch separate thread so that whatever caused the inform can finish
+               for (int i=0; i<_subscribers.length; i++)
+               {
+                       if (_subscribers[i] != null)
+                       {
+                               _subscribers[i].dataUpdated(inChange);
+                       }
+               }
+       }
+
+       /**
+        * Send message to all subscribers
+        * @param inMessage message to display informing of action completed
+        */
+       public static void informSubscribers(String inMessage)
        {
                for (int i=0; i<_subscribers.length; i++)
                {
                        if (_subscribers[i] != null)
                        {
-                               _subscribers[i].dataUpdated();
+                               _subscribers[i].actionCompleted(inMessage);
                        }
                }
        }