make too many requests backoff configurable

Author: yatharthranjan

kafka-connect-fitbit-source/src/main/java/org/radarbase/connect/rest/fitbit/FitbitRestSourceConnectorConfig.java

@@ -254,6 +254,10 @@ public class FitbitRestSourceConnectorConfig extends RestSourceConnectorConfig {
   private static final String FITBIT_FORBIDDEN_BACKOFF_DISPLAY = "Forbidden backoff time (s)";
   private static final int FITBIT_FORBIDDEN_BACKOFF_DEFAULT = 86400; // 24 hours
 
+  public static final String FITBIT_TOO_MANY_REQUESTS_COOLDOWN_CONFIG = "fitbit.too.many.requests.cooldown.s";
+  private static final String FITBIT_TOO_MANY_REQUESTS_COOLDOWN_DOC = "Cooldown time in seconds after receiving too many requests (429) response.";
+  private static final String FITBIT_TOO_MANY_REQUESTS_COOLDOWN_DISPLAY = "Too many requests cooldown (s)";
+  private static final int FITBIT_TOO_MANY_REQUESTS_COOLDOWN_DEFAULT = 3600; // 1 hour
 
   private UserRepository userRepository;
   private final Headers clientCredentials;
@@ -689,6 +693,16 @@ public String toString() {
             ++orderInGroup,
             Width.SHORT,
             FITBIT_FORBIDDEN_BACKOFF_DISPLAY)
+
+        .define(FITBIT_TOO_MANY_REQUESTS_COOLDOWN_CONFIG,
+            Type.INT,
+            FITBIT_TOO_MANY_REQUESTS_COOLDOWN_DEFAULT,
+            Importance.MEDIUM,
+            FITBIT_TOO_MANY_REQUESTS_COOLDOWN_DOC,
+            group,
+            ++orderInGroup,
+            Width.SHORT,
+            FITBIT_TOO_MANY_REQUESTS_COOLDOWN_DISPLAY)
         ;
   }
 
@@ -849,7 +863,7 @@ public Duration getPollIntervalPerUser() {
   }
 
   public Duration getTooManyRequestsCooldownInterval() {
-    return Duration.ofHours(1);
+    return Duration.ofSeconds(getInt(FITBIT_TOO_MANY_REQUESTS_COOLDOWN_CONFIG));
   }
 
   public String getFitbitIntradayCaloriesTopic() {