Merge branch 'rework-backend'

1 files changed, 38 insertions, 0 deletions

diff --git a/dsa/FireBase/Streaming/FirebaseEventSource.cs b/dsa/FireBase/Streaming/FirebaseEventSource.cs
new file mode 100644
index 0000000..b1385ca
--- /dev/null
+++ b/dsa/FireBase/Streaming/FirebaseEventSource.cs
@@ -0,0 +1,38 @@
+namespace Firebase.Database.Streaming
+{
+    /// <summary>
+    ///     Specifies the origin of given <see cref="FirebaseEvent{T}" />
+    /// </summary>
+    public enum FirebaseEventSource
+    {
+        /// <summary>
+        ///     Event comes from an offline source.
+        /// </summary>
+        Offline,
+
+        /// <summary>
+        ///     Event comes from online source fetched during initial pull (valid only for RealtimeDatabase).
+        /// </summary>
+        OnlineInitial,
+
+        /// <summary>
+        ///     Event comes from online source received thru active stream.
+        /// </summary>
+        OnlineStream,
+
+        /// <summary>
+        ///     Event comes from online source being fetched manually.
+        /// </summary>
+        OnlinePull,
+
+        /// <summary>
+        ///     Event raised after successful online push (valid only for RealtimeDatabase which isn't streaming).
+        /// </summary>
+        OnlinePush,
+
+        /// <summary>
+        ///     Event comes from an online source.
+        /// </summary>
+        Online = OnlineInitial | OnlinePull | OnlinePush | OnlineStream
+    }
+}
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