1 files changed, 61 insertions, 0 deletions
diff --git a/Firebase/Database/FMaxNode.m b/Firebase/Database/FMaxNode.m
new file mode 100644
index 0000000..3c93684
--- /dev/null
+++ b/Firebase/Database/FMaxNode.m
@@ -0,0 +1,61 @@
+/*
+ * 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 "FMaxNode.h"
+#import "FUtilities.h"
+#import "FEmptyNode.h"
+
+
+@implementation FMaxNode {
+
+}
+- (id) init {
+    self = [super init];
+    if (self) {
+
+    }
+    return self;
+}
+
++ (id<FNode>) maxNode {
+    static FMaxNode *maxNode = nil;
+    static dispatch_once_t once;
+    dispatch_once(&once, ^{
+        maxNode = [[FMaxNode alloc] init];
+    });
+    return maxNode;
+}
+
+- (NSComparisonResult) compare:(id<FNode>)other {
+    if (other == self) {
+        return NSOrderedSame;
+    } else {
+        return NSOrderedDescending;
+    }
+}
+
+- (BOOL)isEqual:(id)other {
+    return other == self;
+}
+
+- (id<FNode>) getImmediateChild:(NSString *) childName {
+    return [FEmptyNode emptyNode];
+}
+
+- (BOOL) isEmpty {
+    return NO;
+}
+@end