| /* |
| * Copyright 2016 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.key; |
| |
| import java.util.Objects; |
| |
| import static com.google.common.base.Preconditions.checkNotNull; |
| |
| /** |
| * Device key Id definition. |
| */ |
| public final class DeviceKeyId { |
| private final String identifier; |
| |
| /** |
| * Constructor for serialization. |
| */ |
| private DeviceKeyId() { |
| this.identifier = null; |
| } |
| |
| /** |
| * Constructs the ID corresponding to a given string value. |
| * |
| * @param value the underlying value of this ID |
| */ |
| private DeviceKeyId(String value) { |
| this.identifier = checkNotNull(value, "Device Key Id cannot be null."); |
| } |
| |
| /** |
| * Static method to construct a device key identifier. |
| * |
| * @param id for the device key identifier |
| * @return device key identifier |
| */ |
| public static final DeviceKeyId deviceKeyId(String id) { |
| return new DeviceKeyId(id); |
| } |
| |
| /** |
| * Returns the identifier of the device key identifier. |
| * |
| * @return identifier |
| */ |
| public String id() { |
| return identifier; |
| } |
| |
| /** |
| * Returns the hashcode of the identifier. |
| * |
| * @return hashcode |
| */ |
| @Override |
| public int hashCode() { |
| return identifier.hashCode(); |
| } |
| |
| /** |
| * Compares two device key identifiers for equality. |
| * |
| * @param obj to compare against |
| * @return true if the objects are equal, false otherwise. |
| */ |
| @Override |
| public boolean equals(Object obj) { |
| if (this == obj) { |
| return true; |
| } |
| if (obj instanceof DeviceKeyId) { |
| final DeviceKeyId that = (DeviceKeyId) obj; |
| return this.getClass() == that.getClass() && |
| Objects.equals(this.identifier, that.identifier); |
| } |
| return false; |
| } |
| |
| /** |
| * Returns a string representation of a DeviceKeyId. |
| * |
| * @return string |
| */ |
| public String toString() { |
| return identifier; |
| } |
| } |