feat(topology-description): add helper method for server ownership

mongodb-js · May 23, 2018 · 2c64c75 · 2c64c75
1 parent 989e8cf
commit 2c64c75
Showing 1 changed file with 10 additions and 0 deletions.
diff --git a/lib/sdam/topology_description.js b/lib/sdam/topology_description.js
@@ -226,6 +226,16 @@ class TopologyDescription {
   hasWritableServer() {
     return this.hasReadableServer(ReadPreference.primary);
   }
+
+  /**
+   * Determines if the topology has a definition for the provided address
+   *
+   * @param {String} address
+   * @return {Boolean} Whether the topology knows about this server
+   */
+  hasServer(address) {
+    return this.servers.has(address);
+  }
 }
 
 function topologyTypeForServerType(serverType) {