| /* |
| * Copyright 2014-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.onlab.packet; |
| |
| import org.onlab.util.Identifier; |
| |
| /** |
| * The class representing a network device chassisId. |
| * This class is immutable. |
| */ |
| public final class ChassisId extends Identifier<Long> { |
| |
| private static final long UNKNOWN = 0; |
| |
| /** |
| * Default constructor. |
| */ |
| public ChassisId() { |
| super(ChassisId.UNKNOWN); |
| } |
| |
| /** |
| * Constructor from a long value. |
| * |
| * @param value the value to use. |
| */ |
| public ChassisId(long value) { |
| super(value); |
| } |
| |
| /** |
| * Constructor from a string. |
| * |
| * @param value the value to use. |
| */ |
| public ChassisId(String value) { |
| super(Long.parseLong(value, 16)); |
| } |
| |
| /** |
| * Get the value of the chassis id. |
| * |
| * @return the value of the chassis id. |
| */ |
| public long value() { |
| return identifier; |
| } |
| |
| /** |
| * Convert the Chassis Id value to a ':' separated hexadecimal string. |
| * |
| * @return the Chassis Id value as a ':' separated hexadecimal string. |
| */ |
| @Override |
| public String toString() { |
| return Long.toHexString(identifier); |
| } |
| |
| @Override |
| public int hashCode() { |
| return Long.hashCode(identifier); |
| } |
| } |