| package org.onlab.onos.net; |
| |
| import java.net.URI; |
| import java.util.Objects; |
| |
| /** |
| * Immutable representation of a device identity. |
| */ |
| public final class DeviceId extends ElementId { |
| |
| /** |
| * Represents either no device, or an unspecified device. |
| */ |
| public static final DeviceId NONE = deviceId("none:none"); |
| |
| private final URI uri; |
| private final String str; |
| |
| // Public construction is prohibited |
| private DeviceId(URI uri) { |
| this.uri = uri; |
| this.str = uri.toString(); |
| } |
| |
| |
| // Default constructor for serialization |
| protected DeviceId() { |
| this.uri = null; |
| this.str = null; |
| } |
| |
| /** |
| * Creates a device id using the supplied URI. |
| * |
| * @param uri device URI |
| */ |
| public static DeviceId deviceId(URI uri) { |
| return new DeviceId(uri); |
| } |
| |
| /** |
| * Creates a device id using the supplied URI string. |
| * |
| * @param string device URI string |
| */ |
| public static DeviceId deviceId(String string) { |
| return deviceId(URI.create(string)); |
| } |
| |
| /** |
| * Returns the backing URI. |
| * |
| * @return backing URI |
| */ |
| public URI uri() { |
| return uri; |
| } |
| |
| @Override |
| public int hashCode() { |
| return Objects.hash(str); |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (this == obj) { |
| return true; |
| } |
| if (obj instanceof DeviceId) { |
| final DeviceId that = (DeviceId) obj; |
| return this.getClass() == that.getClass() && |
| Objects.equals(this.str, that.str); |
| } |
| return false; |
| } |
| |
| @Override |
| public String toString() { |
| return str; |
| } |
| |
| } |