xinwu | ed8d558 | 2013-09-18 17:19:31 -0700 | [diff] [blame] | 1 | package org.projectfloodlight.openflow.types; |
| 2 | |
| 3 | import javax.annotation.concurrent.Immutable; |
| 4 | |
Andreas Wundsam | 85c961f | 2013-09-29 21:22:12 -0700 | [diff] [blame] | 5 | import com.google.common.primitives.UnsignedInts; |
| 6 | |
xinwu | ed8d558 | 2013-09-18 17:19:31 -0700 | [diff] [blame] | 7 | @Immutable |
Andreas Wundsam | 85c961f | 2013-09-29 21:22:12 -0700 | [diff] [blame] | 8 | public class Metadata implements OFValueType<Metadata> { |
xinwu | ed8d558 | 2013-09-18 17:19:31 -0700 | [diff] [blame] | 9 | static final int LENGTH = 4; |
Andreas Wundsam | b75c4ad | 2013-09-23 14:45:35 -0700 | [diff] [blame] | 10 | |
| 11 | private final static int NONE_VAL = 0; |
| 12 | public final static Metadata NONE = new Metadata(NONE_VAL); |
| 13 | |
xinwu | ed8d558 | 2013-09-18 17:19:31 -0700 | [diff] [blame] | 14 | private final int rawValue; |
| 15 | |
| 16 | private Metadata(final int rawValue) { |
| 17 | this.rawValue = rawValue; |
| 18 | } |
| 19 | |
| 20 | public static Metadata of(final int raw) { |
Andreas Wundsam | b75c4ad | 2013-09-23 14:45:35 -0700 | [diff] [blame] | 21 | if(raw == NONE_VAL) |
| 22 | return NONE; |
| 23 | |
xinwu | ed8d558 | 2013-09-18 17:19:31 -0700 | [diff] [blame] | 24 | return new Metadata(raw); |
| 25 | } |
| 26 | |
| 27 | public int getInt() { |
| 28 | return rawValue; |
| 29 | } |
| 30 | |
Andreas Wundsam | 85c961f | 2013-09-29 21:22:12 -0700 | [diff] [blame] | 31 | @Override |
xinwu | ed8d558 | 2013-09-18 17:19:31 -0700 | [diff] [blame] | 32 | public int getLength() { |
| 33 | return LENGTH; |
| 34 | } |
| 35 | |
| 36 | @Override |
Andreas Wundsam | 85c961f | 2013-09-29 21:22:12 -0700 | [diff] [blame] | 37 | public String toString() { |
| 38 | return Integer.toString(rawValue); |
| 39 | } |
| 40 | |
| 41 | @Override |
| 42 | public Metadata applyMask(Metadata mask) { |
| 43 | return Metadata.of(rawValue & mask.rawValue); } |
| 44 | |
| 45 | @Override |
xinwu | ed8d558 | 2013-09-18 17:19:31 -0700 | [diff] [blame] | 46 | public int hashCode() { |
| 47 | final int prime = 31; |
| 48 | int result = 1; |
| 49 | result = prime * result + rawValue; |
| 50 | return result; |
| 51 | } |
| 52 | |
| 53 | @Override |
| 54 | public boolean equals(Object obj) { |
| 55 | if (this == obj) |
| 56 | return true; |
| 57 | if (obj == null) |
| 58 | return false; |
| 59 | if (getClass() != obj.getClass()) |
| 60 | return false; |
| 61 | Metadata other = (Metadata) obj; |
| 62 | if (rawValue != other.rawValue) |
| 63 | return false; |
| 64 | return true; |
| 65 | } |
| 66 | |
| 67 | @Override |
Andreas Wundsam | 85c961f | 2013-09-29 21:22:12 -0700 | [diff] [blame] | 68 | public int compareTo(Metadata o) { |
| 69 | return UnsignedInts.compare(rawValue, rawValue); |
xinwu | ed8d558 | 2013-09-18 17:19:31 -0700 | [diff] [blame] | 70 | } |
| 71 | } |