retry batch api in case of 429 response code

provider/indexer-azure/src/main/java/org/opengroup/osdu/indexer/azure/service/RetryPolicy.java

@@ -70,6 +70,11 @@ public class RetryPolicy {
 
         if (defaultResponseRetry(response)) return true;
 
+        if (response.getResponseCode() == 429) {
+            log.info("Storage batch API 429 retry");
+            return true;
+        }
+
         JsonObject jsonObject = new JsonParser().parse(response.getBody()).getAsJsonObject();
         JsonElement notFoundElement = (JsonArray) jsonObject.get(RECORD_NOT_FOUND);
         if (notFoundElement == null ||

provider/indexer-azure/src/test/java/org/opengroup/osdu/indexer/azure/service/RetryPolicyTest.java

@@ -223,4 +223,15 @@ public class RetryPolicyTest {
 
         assertTrue(value);
     }
+
+    @Test
+    public void shouldReturnTrue_when_429ResponseCode_for_batchRetryPolicy() {
+        HttpResponse response=new HttpResponse();
+        response.setBody(JSON_RESPONSE1_WITHOUT_NOT_FOUND);
+        response.setResponseCode(429);
+
+        boolean value=retryPolicy.batchRetryPolicy(response);
+
+        assertTrue(value);
+    }
 }