| /* |
| * Copyright 2015 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.incubator.net.virtual; |
| |
| import com.google.common.annotations.Beta; |
| |
| import java.util.Objects; |
| |
| /** |
| * Representation of network identity. |
| */ |
| @Beta |
| public final class NetworkId { |
| |
| /** |
| * Represents no network, or an unspecified network. |
| */ |
| public static final NetworkId NONE = networkId(-1L); |
| |
| /** |
| * Represents the underlying physical network. |
| */ |
| public static final NetworkId PHYSICAL = networkId(0L); |
| |
| |
| private final long id; |
| |
| // Public construction is prohibited |
| private NetworkId(long id) { |
| this.id = id; |
| } |
| |
| |
| // Default constructor for serialization |
| protected NetworkId() { |
| this.id = -1; |
| } |
| |
| /** |
| * Creates a network id using the supplied backing id. |
| * |
| * @param id network id |
| * @return network identifier |
| */ |
| public static NetworkId networkId(long id) { |
| return new NetworkId(id); |
| } |
| |
| @Override |
| public int hashCode() { |
| return Objects.hash(id); |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (this == obj) { |
| return true; |
| } |
| if (obj instanceof NetworkId) { |
| final NetworkId that = (NetworkId) obj; |
| return this.getClass() == that.getClass() && this.id == that.id; |
| } |
| return false; |
| } |
| |
| @Override |
| public String toString() { |
| return Long.toString(id); |
| } |
| |
| } |