| /* |
| * 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.isis.controller; |
| |
| import java.util.EnumSet; |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| /** |
| * Represents ISIS network types. |
| */ |
| public enum IsisNetworkType { |
| /** |
| * Represents point-to-point network. |
| */ |
| P2P(1), |
| /** |
| * Represents broadcast network. |
| */ |
| BROADCAST(2); |
| // Reverse lookup table |
| private static final Map<Integer, IsisNetworkType> LOOKUP = new HashMap<>(); |
| |
| // Populate the lookup table on loading time |
| static { |
| for (IsisNetworkType isisNetworkType : EnumSet.allOf(IsisNetworkType.class)) { |
| LOOKUP.put(isisNetworkType.value(), isisNetworkType); |
| } |
| } |
| |
| private int value; |
| |
| /** |
| * Creates an instance of ISIS network type. |
| * |
| * @param value represents ISIS network type |
| */ |
| private IsisNetworkType(int value) { |
| this.value = value; |
| } |
| |
| /** |
| * Gets the enum instance from type value - reverse lookup purpose. |
| * |
| * @param isisNetworkTypeValue interface network type value |
| * @return ISIS interface network type instance |
| */ |
| public static IsisNetworkType get(int isisNetworkTypeValue) { |
| return LOOKUP.get(isisNetworkTypeValue); |
| } |
| |
| /** |
| * Gets the value representing network type. |
| * |
| * @return value represents network type |
| */ |
| public int value() { |
| return value; |
| } |
| } |