From f9bd6d3c9491dddbfc9cbe0fcc633030a66fe9da Mon Sep 17 00:00:00 2001
From: zxu <zxu@google.com>
Date: Wed, 25 Apr 2018 14:05:36 -0400
Subject: Port `SnapshotVersion` for `Local` (#1182)

* no-brainer replace `FSTSnapshotVersion` with `SnapshotVersion`

* refresh code

* fix LocalStore

* fix LocalStore (partial revert 78e6c38)

* address changes
---
 Firestore/Source/Local/FSTMemoryQueryCache.mm | 25 ++++++++++++++-----------
 1 file changed, 14 insertions(+), 11 deletions(-)

(limited to 'Firestore/Source/Local/FSTMemoryQueryCache.mm')

diff --git a/Firestore/Source/Local/FSTMemoryQueryCache.mm b/Firestore/Source/Local/FSTMemoryQueryCache.mm
index 18d14f2..57c2703 100644
--- a/Firestore/Source/Local/FSTMemoryQueryCache.mm
+++ b/Firestore/Source/Local/FSTMemoryQueryCache.mm
@@ -16,12 +16,16 @@
 
 #import "Firestore/Source/Local/FSTMemoryQueryCache.h"
 
+#include <utility>
+
 #import "Firestore/Source/Core/FSTQuery.h"
-#import "Firestore/Source/Core/FSTSnapshotVersion.h"
 #import "Firestore/Source/Local/FSTQueryData.h"
 #import "Firestore/Source/Local/FSTReferenceSet.h"
 
 #include "Firestore/core/src/firebase/firestore/model/document_key.h"
+#include "Firestore/core/src/firebase/firestore/model/snapshot_version.h"
+
+using firebase::firestore::model::SnapshotVersion;
 
 NS_ASSUME_NONNULL_BEGIN
 
@@ -38,18 +42,18 @@ NS_ASSUME_NONNULL_BEGIN
 
 @property(nonatomic, assign) FSTListenSequenceNumber highestListenSequenceNumber;
 
-/** The last received snapshot version. */
-@property(nonatomic, strong) FSTSnapshotVersion *lastRemoteSnapshotVersion;
-
 @end
 
-@implementation FSTMemoryQueryCache
+@implementation FSTMemoryQueryCache {
+  /** The last received snapshot version. */
+  SnapshotVersion _lastRemoteSnapshotVersion;
+}
 
 - (instancetype)init {
   if (self = [super init]) {
     _queries = [NSMutableDictionary dictionary];
     _references = [[FSTReferenceSet alloc] init];
-    _lastRemoteSnapshotVersion = [FSTSnapshotVersion noVersion];
+    _lastRemoteSnapshotVersion = SnapshotVersion::None();
   }
   return self;
 }
@@ -69,14 +73,13 @@ NS_ASSUME_NONNULL_BEGIN
   return _highestListenSequenceNumber;
 }
 
-/*- (FSTSnapshotVersion *)lastRemoteSnapshotVersion {
+- (const SnapshotVersion &)lastRemoteSnapshotVersion {
   return _lastRemoteSnapshotVersion;
 }
 
-- (void)setLastRemoteSnapshotVersion:(FSTSnapshotVersion *)snapshotVersion
-                               group:(FSTWriteGroup *)group {
-  _lastRemoteSnapshotVersion = snapshotVersion;
-}*/
+- (void)setLastRemoteSnapshotVersion:(SnapshotVersion)snapshotVersion {
+  _lastRemoteSnapshotVersion = std::move(snapshotVersion);
+}
 
 - (void)addQueryData:(FSTQueryData *)queryData {
   self.queries[queryData.query] = queryData;
-- 
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