Yuta HIGUCHI | a16a823 | 2014-07-03 19:45:40 -0700 | [diff] [blame] | 1 | package net.onrc.onos.core.util; |
| 2 | |
Yuta HIGUCHI | a860dff | 2014-08-20 21:16:30 -0700 | [diff] [blame] | 3 | import static com.google.common.base.Preconditions.checkNotNull; |
Yuta HIGUCHI | a16a823 | 2014-07-03 19:45:40 -0700 | [diff] [blame] | 4 | |
Yuta HIGUCHI | a860dff | 2014-08-20 21:16:30 -0700 | [diff] [blame] | 5 | import java.util.Objects; |
Yuta HIGUCHI | a16a823 | 2014-07-03 19:45:40 -0700 | [diff] [blame] | 6 | |
Yuta HIGUCHI | 6d7ee9f | 2014-08-22 09:56:50 -0700 | [diff] [blame] | 7 | import javax.annotation.concurrent.Immutable; |
| 8 | |
Yuta HIGUCHI | a16a823 | 2014-07-03 19:45:40 -0700 | [diff] [blame] | 9 | |
| 10 | /** |
| 11 | * Immutable class to identify a Link between 2 ports. |
| 12 | */ |
Yuta HIGUCHI | 6d7ee9f | 2014-08-22 09:56:50 -0700 | [diff] [blame] | 13 | @Immutable |
Yuta HIGUCHI | a16a823 | 2014-07-03 19:45:40 -0700 | [diff] [blame] | 14 | public final class LinkTuple { |
| 15 | |
| 16 | private final SwitchPort src; |
| 17 | private final SwitchPort dst; |
| 18 | |
| 19 | /** |
| 20 | * Default constructor for Serializer. |
| 21 | */ |
| 22 | protected LinkTuple() { |
| 23 | src = null; |
| 24 | dst = null; |
| 25 | } |
| 26 | |
| 27 | /** |
| 28 | * Constructor. |
| 29 | * |
| 30 | * @param src source port |
| 31 | * @param dst destination port |
| 32 | */ |
| 33 | public LinkTuple(SwitchPort src, SwitchPort dst) { |
Yuta HIGUCHI | a860dff | 2014-08-20 21:16:30 -0700 | [diff] [blame] | 34 | this.src = checkNotNull(src); |
| 35 | this.dst = checkNotNull(dst); |
Yuta HIGUCHI | a16a823 | 2014-07-03 19:45:40 -0700 | [diff] [blame] | 36 | } |
| 37 | |
| 38 | /** |
| 39 | * Creates the Link object. |
| 40 | * |
| 41 | * @param srcDpid source switch DPID |
| 42 | * @param srcPortNo source port number |
| 43 | * @param dstDpid destination switch DPID |
| 44 | * @param dstPortNo destination port number |
| 45 | */ |
| 46 | public LinkTuple(Dpid srcDpid, PortNumber srcPortNo, |
| 47 | Dpid dstDpid, PortNumber dstPortNo) { |
| 48 | this(new SwitchPort(srcDpid, srcPortNo), |
| 49 | new SwitchPort(dstDpid, dstPortNo)); |
| 50 | } |
| 51 | |
| 52 | /** |
| 53 | * Gets the source port. |
| 54 | * |
| 55 | * @return source port |
| 56 | */ |
| 57 | public SwitchPort getSrc() { |
| 58 | return src; |
| 59 | } |
| 60 | |
| 61 | /** |
| 62 | * Gets the destination port. |
| 63 | * |
| 64 | * @return destination port |
| 65 | */ |
| 66 | public SwitchPort getDst() { |
| 67 | return dst; |
| 68 | } |
| 69 | |
| 70 | @Override |
| 71 | public int hashCode() { |
Yuta HIGUCHI | 6d7ee9f | 2014-08-22 09:56:50 -0700 | [diff] [blame] | 72 | return Objects.hash(src, dst); |
Yuta HIGUCHI | a16a823 | 2014-07-03 19:45:40 -0700 | [diff] [blame] | 73 | } |
| 74 | |
| 75 | @Override |
| 76 | public boolean equals(Object obj) { |
| 77 | if (this == obj) { |
| 78 | return true; |
| 79 | } |
| 80 | if (obj == null) { |
| 81 | return false; |
| 82 | } |
| 83 | if (getClass() != obj.getClass()) { |
| 84 | return false; |
| 85 | } |
| 86 | LinkTuple other = (LinkTuple) obj; |
| 87 | return Objects.equals(src, other.src) && |
| 88 | Objects.equals(dst, other.dst); |
| 89 | } |
| 90 | |
| 91 | @Override |
| 92 | public String toString() { |
| 93 | return "(" + src + "=>" + dst + ")"; |
| 94 | } |
| 95 | } |