rishabhdaim commented on code in PR #295:
URL: https://github.com/apache/jackrabbit-oak/pull/295#discussion_r963474776
##########
oak-store-document/src/main/java/org/apache/jackrabbit/oak/plugins/document/util/MongoConnection.java:
##########
@@ -300,4 +324,61 @@ public static ReadConcernLevel
readConcernLevel(ReadConcern readConcern) {
return
ReadConcernLevel.fromString(readConcern.asDocument().getString("level").getValue());
}
}
+
+ /**
+ * Returns {@code true} if the MongoDB server is part of a Replica Set,
+ * {@code false} otherwise. The Replica Set Status is achieved by the
+ * ReplicaSetStatusListener, which is triggered whenever the cluster
+ * description changes.
+ *
+ * @param client the mongo client.
+ * @return {@code true} if part of Replica Set, {@code false} otherwise.
+ */
+ public static boolean isReplicaSet(@NotNull MongoClient client) {
+ MongoClusterListener listener = getOakClusterListener(client);
+ if (listener != null) {
+ return listener.isReplicaSet();
+ }
+ LOG.warn("Method isReplicaSet called for a MongoClient without any
OakClusterListener!");
+ return false;
+ }
+
+ /**
+ * Returns the {@ServerAddress} of the MongoDB cluster.
+ *
+ * @param client the mongo client.
+ * @return {@ServerAddress} of the cluster. {@null} if not connected or no
listener was available.
+ */
+ public static ServerAddress getAddress(@NotNull MongoClient client) {
+ MongoClusterListener listener = getOakClusterListener(client);
+ if (listener != null) {
+ return listener.getServerAddress();
+ }
+ LOG.warn("Method getAddress called for a MongoClient without any
OakClusterListener!");
+ return null;
+ }
+
+ /**
+ * Returns the {@ServerAddress} of the MongoDB cluster primary node.
+ *
+ * @param client the mongo client.
+ * @return {@ServerAddress} of the primary. {@null} if not connected or no
listener was available.
+ */
+ public static ServerAddress getPrimaryAddress(@NotNull MongoClient client)
{
+ MongoClusterListener listener = getOakClusterListener(client);
+ if (listener != null) {
+ return listener.getPrimaryAddress();
+ }
+ return null;
+ }
+
+ private static MongoClusterListener getOakClusterListener(@NotNull
MongoClient client) {
Review Comment:
Make the return type of this API optional and make the client use fluent
coding api's.
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