1 files changed, 63 insertions, 0 deletions
diff --git a/Firebase/Database/Core/FWriteTree.h b/Firebase/Database/Core/FWriteTree.h
new file mode 100644
index 0000000..243bc9f
--- /dev/null
+++ b/Firebase/Database/Core/FWriteTree.h
@@ -0,0 +1,63 @@
+/*
+ * Copyright 2017 Google
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import <Foundation/Foundation.h>
+
+@class FPath;
+@protocol FNode;
+@class FCompoundWrite;
+@class FWriteTreeRef;
+@class FChildrenNode;
+@class FNamedNode;
+@class FWriteRecord;
+@protocol FIndex;
+@class FCacheNode;
+
+@interface FWriteTree : NSObject
+
+- (FWriteTreeRef *) childWritesForPath:(FPath *)path;
+- (void) addOverwriteAtPath:(FPath *)path newData:(id<FNode>)newData writeId:(NSInteger)writeId isVisible:(BOOL)visible;
+- (void) addMergeAtPath:(FPath *)path changedChildren:(FCompoundWrite *)changedChildren writeId:(NSInteger)writeId;
+- (BOOL) removeWriteId:(NSInteger)writeId;
+- (NSArray *) removeAllWrites;
+- (FWriteRecord *)writeForId:(NSInteger)writeId;
+
+- (id<FNode>) calculateCompleteEventCacheAtPath:(FPath *)treePath
+                            completeServerCache:(id<FNode>)completeServerCache
+                                excludeWriteIds:(NSArray *)writeIdsToExclude
+                            includeHiddenWrites:(BOOL)includeHiddenWrites;
+
+- (id<FNode>) calculateCompleteEventChildrenAtPath:(FPath *)treePath
+                            completeServerChildren:(id<FNode>)completeServerChildren;
+
+- (id<FNode>) calculateEventCacheAfterServerOverwriteAtPath:(FPath *)treePath
+                                                  childPath:(FPath *)childPath
+                                          existingEventSnap:(id<FNode>)existingEventSnap
+                                         existingServerSnap:(id<FNode>)existingServerSnap;
+
+- (id<FNode>) calculateCompleteChildAtPath:(FPath *)treePath
+                                  childKey:(NSString *)childKey
+                                     cache:(FCacheNode *)existingServerCache;
+
+- (id<FNode>) shadowingWriteAtPath:(FPath *)path;
+
+- (FNamedNode *) calculateNextNodeAfterPost:(FNamedNode *)post
+                                     atPath:(FPath *)path
+                         completeServerData:(id<FNode>)completeServerData
+                                    reverse:(BOOL)reverse
+                                      index:(id<FIndex>)index;
+
+@end