Thomas Vachuska | 4f1a60c | 2014-10-28 13:39:07 -0700 | [diff] [blame] | 1 | /* |
Brian O'Connor | a09fe5b | 2017-08-03 21:12:30 -0700 | [diff] [blame] | 2 | * Copyright 2014-present Open Networking Foundation |
Thomas Vachuska | 4f1a60c | 2014-10-28 13:39:07 -0700 | [diff] [blame] | 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
Brian O'Connor | abafb50 | 2014-12-02 22:26:20 -0800 | [diff] [blame] | 16 | package org.onosproject.net; |
tom | f5d85d4 | 2014-10-02 05:27:56 -0700 | [diff] [blame] | 17 | |
| 18 | import static com.google.common.base.Preconditions.checkArgument; |
HIGUCHI Yuta | 703a5af | 2015-11-18 23:43:50 -0800 | [diff] [blame] | 19 | import com.google.common.base.Objects; |
tom | f5d85d4 | 2014-10-02 05:27:56 -0700 | [diff] [blame] | 20 | |
| 21 | /** |
| 22 | * Base implementation of an annotated model description. |
| 23 | */ |
tom | 5a9383a | 2014-10-02 07:33:52 -0700 | [diff] [blame] | 24 | public abstract class AbstractDescription implements Annotated { |
tom | f5d85d4 | 2014-10-02 05:27:56 -0700 | [diff] [blame] | 25 | |
| 26 | private static final SparseAnnotations EMPTY = DefaultAnnotations.builder().build(); |
| 27 | |
| 28 | private final SparseAnnotations annotations; |
| 29 | |
| 30 | // For serialization |
| 31 | protected AbstractDescription() { |
| 32 | this.annotations = null; |
| 33 | } |
| 34 | |
| 35 | /** |
| 36 | * Creates a new entity, annotated with the specified annotations. |
| 37 | * |
| 38 | * @param annotations optional key/value annotations map |
| 39 | */ |
| 40 | protected AbstractDescription(SparseAnnotations... annotations) { |
| 41 | checkArgument(annotations.length <= 1, "Only one set of annotations is expected"); |
| 42 | this.annotations = annotations.length == 1 ? annotations[0] : EMPTY; |
| 43 | } |
| 44 | |
| 45 | @Override |
| 46 | public SparseAnnotations annotations() { |
| 47 | return annotations; |
| 48 | } |
| 49 | |
HIGUCHI Yuta | 703a5af | 2015-11-18 23:43:50 -0800 | [diff] [blame] | 50 | @Override |
| 51 | public int hashCode() { |
| 52 | return Objects.hashCode(annotations); |
| 53 | } |
| 54 | |
| 55 | @Override |
| 56 | public boolean equals(Object object) { |
| 57 | if (object instanceof AbstractDescription) { |
| 58 | AbstractDescription that = (AbstractDescription) object; |
| 59 | return Objects.equal(this.annotations, that.annotations); |
| 60 | } |
| 61 | return false; |
| 62 | } |
| 63 | |
tom | f5d85d4 | 2014-10-02 05:27:56 -0700 | [diff] [blame] | 64 | } |