Yotam Harchol | f3f1115 | 2013-09-05 16:47:16 -0700 | [diff] [blame] | 1 | package org.projectfloodlight.openflow.types; |
| 2 | |
Andreas Wundsam | 22ba3af | 2013-10-04 16:00:30 -0700 | [diff] [blame] | 3 | import com.google.common.hash.PrimitiveSink; |
| 4 | |
Yotam Harchol | f3f1115 | 2013-09-05 16:47:16 -0700 | [diff] [blame] | 5 | |
| 6 | |
| 7 | public class Masked<T extends OFValueType<T>> implements OFValueType<Masked<T>> { |
| 8 | protected T value; |
| 9 | protected T mask; |
Andreas Wundsam | 85c961f | 2013-09-29 21:22:12 -0700 | [diff] [blame] | 10 | |
Yotam Harchol | f3f1115 | 2013-09-05 16:47:16 -0700 | [diff] [blame] | 11 | protected Masked(T value, T mask) { |
| 12 | this.value = value.applyMask(mask); |
| 13 | this.mask = mask; |
| 14 | } |
Andreas Wundsam | 85c961f | 2013-09-29 21:22:12 -0700 | [diff] [blame] | 15 | |
Yotam Harchol | f3f1115 | 2013-09-05 16:47:16 -0700 | [diff] [blame] | 16 | public T getValue() { |
| 17 | return value; |
| 18 | } |
Andreas Wundsam | 85c961f | 2013-09-29 21:22:12 -0700 | [diff] [blame] | 19 | |
Yotam Harchol | f3f1115 | 2013-09-05 16:47:16 -0700 | [diff] [blame] | 20 | public T getMask() { |
| 21 | return mask; |
| 22 | } |
Andreas Wundsam | 85c961f | 2013-09-29 21:22:12 -0700 | [diff] [blame] | 23 | |
Yotam Harchol | f3f1115 | 2013-09-05 16:47:16 -0700 | [diff] [blame] | 24 | public static <T extends OFValueType<T>> Masked<T> of(T value, T mask) { |
| 25 | return new Masked<T>(value, mask); |
| 26 | } |
| 27 | |
| 28 | @Override |
| 29 | public int getLength() { |
| 30 | return this.value.getLength() + this.mask.getLength(); |
| 31 | } |
Andreas Wundsam | 85c961f | 2013-09-29 21:22:12 -0700 | [diff] [blame] | 32 | |
| 33 | @Override |
| 34 | public String toString() { |
| 35 | // General representation: value/mask |
| 36 | StringBuilder sb = new StringBuilder(); |
| 37 | sb.append(value.toString()).append('/').append(mask.toString()); |
| 38 | return sb.toString(); |
| 39 | } |
| 40 | |
| 41 | @Override |
| 42 | public Masked<T> applyMask(Masked<T> mask) { |
| 43 | return this; |
| 44 | } |
| 45 | |
Yotam Harchol | f3f1115 | 2013-09-05 16:47:16 -0700 | [diff] [blame] | 46 | @Override |
| 47 | public boolean equals(Object obj) { |
| 48 | if (!(obj instanceof Masked<?>)) |
| 49 | return false; |
| 50 | Masked<?> mobj = (Masked<?>)obj; |
| 51 | return this.value.equals(mobj.value) && this.mask.equals(mobj.mask); |
| 52 | } |
| 53 | |
| 54 | @Override |
| 55 | public int hashCode() { |
| 56 | final int prime = 59; |
| 57 | int result = 1; |
| 58 | result = prime * result + this.value.hashCode(); |
| 59 | result = prime * result + this.mask.hashCode(); |
| 60 | return result; |
| 61 | } |
| 62 | |
| 63 | @Override |
Andreas Wundsam | 85c961f | 2013-09-29 21:22:12 -0700 | [diff] [blame] | 64 | public int compareTo(Masked<T> o) { |
| 65 | int res = value.compareTo(o.value); |
| 66 | if(res != 0) |
| 67 | return res; |
| 68 | else |
| 69 | return mask.compareTo(o.mask); |
Yotam Harchol | f3f1115 | 2013-09-05 16:47:16 -0700 | [diff] [blame] | 70 | } |
Andreas Wundsam | 22ba3af | 2013-10-04 16:00:30 -0700 | [diff] [blame] | 71 | |
| 72 | @Override |
| 73 | public void putTo(PrimitiveSink sink) { |
| 74 | value.putTo(sink); |
| 75 | mask.putTo(sink); |
| 76 | } |
Yotam Harchol | f3f1115 | 2013-09-05 16:47:16 -0700 | [diff] [blame] | 77 | } |