| /* |
| * Copyright 2014-present Open Networking Foundation |
| * |
| * 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; |
| |
| import static com.google.common.base.Preconditions.checkArgument; |
| import com.google.common.base.Objects; |
| |
| /** |
| * Base implementation of an annotated model description. |
| */ |
| public abstract class AbstractDescription implements Annotated { |
| |
| private static final SparseAnnotations EMPTY = DefaultAnnotations.builder().build(); |
| |
| private final SparseAnnotations annotations; |
| |
| // For serialization |
| protected AbstractDescription() { |
| this.annotations = null; |
| } |
| |
| /** |
| * Creates a new entity, annotated with the specified annotations. |
| * |
| * @param annotations optional key/value annotations map |
| */ |
| protected AbstractDescription(SparseAnnotations... annotations) { |
| checkArgument(annotations.length <= 1, "Only one set of annotations is expected"); |
| this.annotations = annotations.length == 1 ? annotations[0] : EMPTY; |
| } |
| |
| @Override |
| public SparseAnnotations annotations() { |
| return annotations; |
| } |
| |
| @Override |
| public int hashCode() { |
| return Objects.hashCode(annotations); |
| } |
| |
| @Override |
| public boolean equals(Object object) { |
| if (object instanceof AbstractDescription) { |
| AbstractDescription that = (AbstractDescription) object; |
| return Objects.equal(this.annotations, that.annotations); |
| } |
| return false; |
| } |
| |
| } |