Brian O'Connor | b876bf1 | 2014-10-02 14:59:37 -0700 | [diff] [blame] | 1 | package org.onlab.onos.net.intent; |
| 2 | |
| 3 | /** |
| 4 | * Intent identifier suitable as an external key. |
tom | a1d16b6 | 2014-10-02 23:45:11 -0700 | [diff] [blame] | 5 | * <p/> |
Brian O'Connor | b876bf1 | 2014-10-02 14:59:37 -0700 | [diff] [blame] | 6 | * This class is immutable. |
| 7 | */ |
| 8 | public final class IntentId implements BatchOperationTarget { |
| 9 | |
Thomas Vachuska | c96058a | 2014-10-20 23:00:16 -0700 | [diff] [blame] | 10 | private final long fingerprint; |
Brian O'Connor | b876bf1 | 2014-10-02 14:59:37 -0700 | [diff] [blame] | 11 | |
| 12 | /** |
| 13 | * Creates an intent identifier from the specified string representation. |
| 14 | * |
Thomas Vachuska | c96058a | 2014-10-20 23:00:16 -0700 | [diff] [blame] | 15 | * @param fingerprint long value |
Brian O'Connor | b876bf1 | 2014-10-02 14:59:37 -0700 | [diff] [blame] | 16 | * @return intent identifier |
| 17 | */ |
Thomas Vachuska | b97cf28 | 2014-10-20 23:31:12 -0700 | [diff] [blame^] | 18 | public static IntentId valueOf(long fingerprint) { |
Thomas Vachuska | c96058a | 2014-10-20 23:00:16 -0700 | [diff] [blame] | 19 | return new IntentId(fingerprint); |
Brian O'Connor | b876bf1 | 2014-10-02 14:59:37 -0700 | [diff] [blame] | 20 | } |
| 21 | |
| 22 | /** |
| 23 | * Constructor for serializer. |
| 24 | */ |
Thomas Vachuska | c96058a | 2014-10-20 23:00:16 -0700 | [diff] [blame] | 25 | IntentId() { |
| 26 | this.fingerprint = 0; |
Brian O'Connor | b876bf1 | 2014-10-02 14:59:37 -0700 | [diff] [blame] | 27 | } |
| 28 | |
| 29 | /** |
| 30 | * Constructs the ID corresponding to a given long value. |
| 31 | * |
Thomas Vachuska | c96058a | 2014-10-20 23:00:16 -0700 | [diff] [blame] | 32 | * @param fingerprint the underlying value of this ID |
Brian O'Connor | b876bf1 | 2014-10-02 14:59:37 -0700 | [diff] [blame] | 33 | */ |
Thomas Vachuska | c96058a | 2014-10-20 23:00:16 -0700 | [diff] [blame] | 34 | IntentId(long fingerprint) { |
| 35 | this.fingerprint = fingerprint; |
Brian O'Connor | b876bf1 | 2014-10-02 14:59:37 -0700 | [diff] [blame] | 36 | } |
| 37 | |
| 38 | @Override |
| 39 | public int hashCode() { |
Thomas Vachuska | c96058a | 2014-10-20 23:00:16 -0700 | [diff] [blame] | 40 | return (int) (fingerprint ^ (fingerprint >>> 32)); |
Brian O'Connor | b876bf1 | 2014-10-02 14:59:37 -0700 | [diff] [blame] | 41 | } |
| 42 | |
| 43 | @Override |
| 44 | public boolean equals(Object obj) { |
| 45 | if (obj == this) { |
| 46 | return true; |
| 47 | } |
Brian O'Connor | b876bf1 | 2014-10-02 14:59:37 -0700 | [diff] [blame] | 48 | if (!(obj instanceof IntentId)) { |
| 49 | return false; |
| 50 | } |
Brian O'Connor | b876bf1 | 2014-10-02 14:59:37 -0700 | [diff] [blame] | 51 | IntentId that = (IntentId) obj; |
Thomas Vachuska | c96058a | 2014-10-20 23:00:16 -0700 | [diff] [blame] | 52 | return this.fingerprint == that.fingerprint; |
Brian O'Connor | b876bf1 | 2014-10-02 14:59:37 -0700 | [diff] [blame] | 53 | } |
| 54 | |
| 55 | @Override |
| 56 | public String toString() { |
Thomas Vachuska | c96058a | 2014-10-20 23:00:16 -0700 | [diff] [blame] | 57 | return "0x" + Long.toHexString(fingerprint); |
Brian O'Connor | b876bf1 | 2014-10-02 14:59:37 -0700 | [diff] [blame] | 58 | } |
| 59 | |
| 60 | } |