| /* |
| * Copyright 2016-present Open Networking Laboratory |
| * |
| * 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. |
| */ |
| package org.onosproject.net.resource; |
| |
| /** |
| * Represents no-op codec intended to used in an empty discrete resource set only. |
| * It's not supposed to be used by other classes. |
| */ |
| public class NoOpCodec implements DiscreteResourceCodec { |
| public static final DiscreteResourceCodec INSTANCE = new NoOpCodec(); |
| |
| @Override |
| public int encode(DiscreteResource resource) { |
| return 0; |
| } |
| |
| @Override |
| public DiscreteResource decode(DiscreteResourceId parent, int value) { |
| return Resource.ROOT; |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (obj == this) { |
| return true; |
| } |
| |
| if (obj == null || getClass() != obj.getClass()) { |
| return false; |
| } |
| |
| return true; |
| } |
| |
| @Override |
| public int hashCode() { |
| return NoOpCodec.class.hashCode(); |
| } |
| } |