[android] #5680 - Adding 1000 event cap to send telemetry data

Author: bleege

platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/telemetry/MapboxEventManager.java

@@ -88,6 +88,8 @@ public class MapboxEventManager {
     private static long flushDelayInMillis = 1000 * 60 * 3;  // 3 Minutes
     private static final int SESSION_ID_ROTATION_HOURS = 24;
 
+    private static final int FLUSH_EVENTS_CAP = 1000;
+
     private static MessageDigest messageDigest = null;
 
     private static final double locationEventAccuracy = 10000000;
@@ -310,6 +312,21 @@ void flushEventsQueueImmediately() {
         new FlushTheEventsTask().execute();
     }
 
+    /**
+     * Centralized method for adding populated event to the queue allowing for cap size checking
+     * @param event Event to add to the Events Queue
+     */
+    private void putEventOnQueue(@NonNull Hashtable<String, Object> event) {
+        if (event == null) {
+            return;
+        }
+        events.add(event);
+        if (events.size() == FLUSH_EVENTS_CAP) {
+            Log.d(TAG, "eventsSize == flushCap so send data.");
+            flushEventsQueueImmediately();
+        }
+    }
+
     /**
      * Adds a Location Event to the system for processing
      * @param location Location event
@@ -337,7 +354,7 @@ public void addLocationEvent(Location location) {
         event.put(MapboxEvent.ATTRIBUTE_OPERATING_SYSTEM, operatingSystem);
         event.put(MapboxEvent.ATTRIBUTE_APPLICATION_STATE, getApplicationState());
 
-        events.add(event);
+        putEventOnQueue(event);
 
         rotateSessionId();
     }
@@ -376,7 +393,7 @@ public void pushEvent(Hashtable<String, Object> eventWithAttributes) {
             eventWithAttributes.put(MapboxEvent.ATTRIBUTE_WIFI, getConnectedToWifi());
 
             // Put Map Load on events before Turnstile clears it
-            events.add(eventWithAttributes);
+            putEventOnQueue(eventWithAttributes);
 
             // Turnstile
             pushTurnstileEvent();
@@ -403,7 +420,7 @@ public void pushEvent(Hashtable<String, Object> eventWithAttributes) {
             return;
         }
 
-       events.add(eventWithAttributes);
+       putEventOnQueue(eventWithAttributes);
     }
 
     /**