| /* |
| * 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.opencord.cordvtn.api.dependency; |
| |
| import com.google.common.base.MoreObjects; |
| import org.opencord.cordvtn.api.net.VtnNetwork; |
| |
| import java.util.Objects; |
| |
| import static com.google.common.base.Preconditions.checkNotNull; |
| |
| /** |
| * Representation of a dependency between two networks, subscriber and provider. |
| */ |
| public final class Dependency { |
| |
| public enum Type { |
| BIDIRECTIONAL, |
| UNIDIRECTIONAL |
| } |
| |
| private final VtnNetwork subscriber; |
| private final VtnNetwork provider; |
| private final Type type; |
| |
| private Dependency(VtnNetwork subscriber, VtnNetwork provider, Type type) { |
| this.subscriber = subscriber; |
| this.provider = provider; |
| this.type = type; |
| } |
| |
| /** |
| * Returns subscriber network. |
| * |
| * @return vtn network |
| */ |
| public VtnNetwork subscriber() { |
| return subscriber; |
| } |
| |
| /** |
| * Returns provider network. |
| * |
| * @return vtn network |
| */ |
| public VtnNetwork provider() { |
| return provider; |
| } |
| |
| /** |
| * Returns direct access type between subscriber and provider networks. |
| * |
| * @return type |
| */ |
| public Type type() { |
| return type; |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (this == obj) { |
| return true; |
| } |
| |
| if (obj instanceof Dependency) { |
| Dependency that = (Dependency) obj; |
| if (Objects.equals(subscriber, that.subscriber) && |
| Objects.equals(provider, that.provider) && |
| Objects.equals(type, that.type)) { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| @Override |
| public int hashCode() { |
| return Objects.hash(subscriber, provider, type); |
| } |
| |
| @Override |
| public String toString() { |
| return MoreObjects.toStringHelper(getClass()) |
| .add("subscriber", subscriber.id()) |
| .add("provider", provider.id()) |
| .add("type", type) |
| .toString(); |
| } |
| |
| /** |
| * Returns new dependency builder instance. |
| * |
| * @return dependency |
| */ |
| public static Builder builder() { |
| return new Builder(); |
| } |
| |
| /** |
| * Builder of the dependency entities. |
| */ |
| public static final class Builder { |
| private VtnNetwork subscriber; |
| private VtnNetwork provider; |
| private Type type; |
| |
| private Builder() { |
| } |
| |
| /** |
| * Builds an immutable dependency. |
| * |
| * @return dependency instance |
| */ |
| public Dependency build() { |
| checkNotNull(subscriber); |
| checkNotNull(provider); |
| checkNotNull(type); |
| |
| return new Dependency(subscriber, provider, type); |
| } |
| |
| /** |
| * Returns dependency with the supplied subscriber. |
| * |
| * @param subscriber subscriber network |
| * @return dependency builder |
| */ |
| public Builder subscriber(VtnNetwork subscriber) { |
| this.subscriber = subscriber; |
| return this; |
| } |
| |
| /** |
| * Returns dependency with the supplied provider. |
| * |
| * @param provider provider network |
| * @return dependency builder |
| */ |
| public Builder provider(VtnNetwork provider) { |
| this.provider = provider; |
| return this; |
| } |
| |
| /** |
| * Returns dependency with the supplied type. |
| * |
| * @param type type |
| * @return dependency builder |
| */ |
| public Builder type(Type type) { |
| this.type = type; |
| return this; |
| } |
| } |
| } |