From c33f5ba0ca8292116e1623a9d0c932aac62479a0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Damir=20Jeli=C4=87?= <poljar@termina.org.uk>
Date: Wed, 13 Nov 2019 15:39:06 +0100
Subject: [PATCH] BaseEventIndexManager: Add a method to perform runtime checks
 for indexing support.

---
 src/BaseEventIndexManager.js | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/src/BaseEventIndexManager.js b/src/BaseEventIndexManager.js
index cd7a735e8d..a74eac658a 100644
--- a/src/BaseEventIndexManager.js
+++ b/src/BaseEventIndexManager.js
@@ -75,6 +75,19 @@ export interface HistoricEvent {
  * Instances of this class are provided by the application.
  */
 export default class BaseEventIndexManager {
+    /**
+     * Does our EventIndexManager support event indexing.
+     *
+     * If an EventIndexManager imlpementor has runtime dependencies that
+     * optionally enable event indexing they may override this method to perform
+     * the necessary runtime checks here.
+     *
+     * @return {Promise} A promise that will resolve to true if event indexing
+     * is supported, false otherwise.
+     */
+    async supportsEventIndexing(): Promise<boolean> {
+        return true;
+    }
     /**
      * Initialize the event index for the given user.
      *