1 files changed, 94 insertions, 0 deletions
diff --git a/Firebase/Database/FNamedNode.m b/Firebase/Database/FNamedNode.m
new file mode 100644
index 0000000..d11787b
--- /dev/null
+++ b/Firebase/Database/FNamedNode.m
@@ -0,0 +1,94 @@
+/*
+ * 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 "FNamedNode.h"
+#import "FUtilities.h"
+#import "FEmptyNode.h"
+#import "FMaxNode.h"
+#import "FIndex.h"
+
+@interface FNamedNode ()
+@property (nonatomic, strong, readwrite) NSString* name;
+@property (nonatomic, strong, readwrite) id<FNode> node;
+@end
+
+@implementation FNamedNode
+
++ (FNamedNode *)nodeWithName:(NSString *)name node:(id<FNode>)node
+{
+    return [[FNamedNode alloc] initWithName:name andNode:node];
+}
+
+- (id)initWithName:(NSString *)name andNode:(id <FNode>)node {
+    self = [super init];
+    if (self) {
+        self.name = name;
+        self.node = node;
+    }
+    return self;
+}
+
+- (id)copy
+{
+    return self;
+}
+
+- (id)copyWithZone:(NSZone *)zone
+{
+    return self;
+}
+
++ (FNamedNode *)min {
+    static FNamedNode *min = nil;
+    static dispatch_once_t once;
+    dispatch_once(&once, ^{
+       min = [[FNamedNode alloc] initWithName:[FUtilities minName] andNode:[FEmptyNode emptyNode]];
+    });
+    return min;
+}
+
++ (FNamedNode *)max {
+    static FNamedNode *max = nil;
+    static dispatch_once_t once;
+    dispatch_once(&once, ^{
+        max = [[FNamedNode alloc] initWithName:[FUtilities maxName] andNode:[FMaxNode maxNode]];
+    });
+    return max;
+}
+
+- (NSString *) description {
+    return [NSString stringWithFormat:@"NamedNode[%@] %@", self.name, self.node];
+}
+
+- (BOOL) isEqual:(id)object {
+    if (self == object) { return YES; }
+    if (object == nil || ![object isKindOfClass:[FNamedNode class]]) { return NO; }
+
+    FNamedNode *namedNode = object;
+    if (![self.name isEqualToString:namedNode.name]) { return NO; }
+    if (![self.node isEqual:namedNode.node]) { return NO; }
+
+    return YES;
+}
+
+- (NSUInteger) hash {
+    NSUInteger nameHash = [self.name hash];
+    NSUInteger nodeHash = [self.node hash];
+    NSUInteger result = 31 * nameHash + nodeHash;
+    return result;
+}
+
+@end