初始化提交

WebDriverAgentLib/Utilities/LRUCache/LRUCacheNode.m

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+/*
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * See the NOTICE file distributed with this work for additional
+ * information regarding copyright ownership.
+ * 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 "LRUCacheNode.h"
+
+@interface LRUCacheNode ()
+@property (nonatomic, readwrite) id value;
+@property (nonatomic, readwrite) id<NSCopying> key;
+
+- (instancetype)initWithValue:(id)value key:(id<NSCopying>)key;
+@end
+
+@implementation LRUCacheNode
+
+- (instancetype)initWithValue:(id)value key:(id<NSCopying>)key
+{
+  if (nil == value) {
+    return nil;
+  }
+
+  if ((self = [super init])) {
+    _value = value;
+    _key = key;
+  }
+  return self;
+}
+
++ (instancetype)nodeWithValue:(id)value key:(id<NSCopying>)key
+{
+  return [[LRUCacheNode alloc] initWithValue:value key:key];
+}
+
+- (NSString *)description
+{
+  return [NSString stringWithFormat:@"%@ %@", self.value, self.next];
+}
+
+@end