| /* |
| * 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.store.resource.impl; |
| |
| import org.onosproject.net.resource.DiscreteResource; |
| import org.onosproject.net.resource.DiscreteResourceId; |
| |
| import java.util.List; |
| import java.util.Optional; |
| import java.util.Set; |
| |
| interface DiscreteResources { |
| static DiscreteResources empty() { |
| return NonEncodableDiscreteResources.empty(); |
| } |
| |
| Optional<DiscreteResource> lookup(DiscreteResourceId id); |
| |
| DiscreteResources difference(DiscreteResources other); |
| |
| boolean isEmpty(); |
| |
| boolean containsAny(List<DiscreteResource> other); |
| |
| // returns a new instance, not mutate the current instance |
| DiscreteResources add(DiscreteResources other); |
| |
| // returns a new instance, not mutate the current instance |
| DiscreteResources remove(List<DiscreteResource> removed); |
| |
| Set<DiscreteResource> values(); |
| } |