Yuta HIGUCHI | 06dc6b9 | 2014-09-25 16:06:16 -0700 | [diff] [blame] | 1 | package org.onlab.onos.net; |
| 2 | |
| 3 | import java.util.Objects; |
| 4 | |
| 5 | import com.google.common.base.MoreObjects; |
| 6 | |
| 7 | // TODO Consider renaming. |
| 8 | // it's an identifier for a Link, but it's not ElementId, so not using LinkId. |
tom | 95329eb | 2014-10-06 08:40:06 -0700 | [diff] [blame^] | 9 | |
Yuta HIGUCHI | 06dc6b9 | 2014-09-25 16:06:16 -0700 | [diff] [blame] | 10 | /** |
| 11 | * Immutable representation of a link identity. |
| 12 | */ |
| 13 | public class LinkKey { |
| 14 | |
| 15 | private final ConnectPoint src; |
| 16 | private final ConnectPoint dst; |
| 17 | |
| 18 | /** |
| 19 | * Returns source connection point. |
| 20 | * |
| 21 | * @return source connection point |
| 22 | */ |
| 23 | public ConnectPoint src() { |
| 24 | return src; |
| 25 | } |
| 26 | |
| 27 | /** |
| 28 | * Returns destination connection point. |
| 29 | * |
| 30 | * @return destination connection point |
| 31 | */ |
| 32 | public ConnectPoint dst() { |
| 33 | return dst; |
| 34 | } |
| 35 | |
| 36 | /** |
| 37 | * Creates a link identifier with source and destination connection point. |
| 38 | * |
| 39 | * @param src source connection point |
| 40 | * @param dst destination connection point |
| 41 | */ |
| 42 | public LinkKey(ConnectPoint src, ConnectPoint dst) { |
| 43 | this.src = src; |
| 44 | this.dst = dst; |
| 45 | } |
| 46 | |
tom | 95329eb | 2014-10-06 08:40:06 -0700 | [diff] [blame^] | 47 | /** |
| 48 | * Creates a link identifier for the specified link. |
| 49 | * |
| 50 | * @param link link descriptor |
| 51 | */ |
| 52 | public LinkKey(Link link) { |
| 53 | this(link.src(), link.dst()); |
| 54 | } |
| 55 | |
Yuta HIGUCHI | 06dc6b9 | 2014-09-25 16:06:16 -0700 | [diff] [blame] | 56 | @Override |
| 57 | public int hashCode() { |
| 58 | return Objects.hash(src(), dst); |
| 59 | } |
| 60 | |
| 61 | @Override |
| 62 | public boolean equals(Object obj) { |
| 63 | if (this == obj) { |
| 64 | return true; |
| 65 | } |
| 66 | if (obj instanceof LinkKey) { |
| 67 | final LinkKey other = (LinkKey) obj; |
| 68 | return Objects.equals(this.src(), other.src()) && |
| 69 | Objects.equals(this.dst, other.dst); |
| 70 | } |
| 71 | return false; |
| 72 | } |
| 73 | |
| 74 | @Override |
| 75 | public String toString() { |
| 76 | return MoreObjects.toStringHelper(getClass()) |
| 77 | .add("src", src()) |
| 78 | .add("dst", dst) |
| 79 | .toString(); |
| 80 | } |
| 81 | } |