| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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. |
| */ |
| package discovery |
| |
| var ( |
| NullCache = &nullCache{} |
| NullCacher = &nullCacher{} |
| ) |
| |
| type nullCache struct { |
| } |
| |
| func (n *nullCache) Name() string { return "NULL" } |
| func (n *nullCache) Size() int { return 0 } |
| func (n *nullCache) Get(k string) *KeyValue { return nil } |
| func (n *nullCache) GetAll(arr *[]*KeyValue) int { return 0 } |
| func (n *nullCache) GetPrefix(prefix string, arr *[]*KeyValue) int { return 0 } |
| func (n *nullCache) ForEach(iter func(k string, v *KeyValue) (next bool)) {} |
| func (n *nullCache) Put(k string, v *KeyValue) {} |
| func (n *nullCache) Remove(k string) {} |
| |
| type nullCacher struct { |
| } |
| |
| func (n *nullCacher) Cache() CacheReader { return NullCache } |