Madan Jampani | 393e0f0 | 2015-02-12 07:35:39 +0530 | [diff] [blame] | 1 | package org.onosproject.store.service; |
Madan Jampani | 94c2353 | 2015-02-05 17:40:01 -0800 | [diff] [blame] | 2 | |
| 3 | import com.google.common.base.MoreObjects; |
| 4 | |
| 5 | /** |
| 6 | * Versioned value. |
| 7 | * |
| 8 | * @param <V> value type. |
| 9 | */ |
| 10 | public class Versioned<V> { |
| 11 | |
| 12 | private final V value; |
| 13 | private final long version; |
| 14 | |
| 15 | /** |
| 16 | * Constructs a new versioned value. |
| 17 | * @param value value |
| 18 | * @param version version |
| 19 | */ |
| 20 | public Versioned(V value, long version) { |
| 21 | this.value = value; |
| 22 | this.version = version; |
| 23 | } |
| 24 | |
| 25 | /** |
| 26 | * Returns the value. |
| 27 | * |
| 28 | * @return value. |
| 29 | */ |
| 30 | public V value() { |
| 31 | return value; |
| 32 | } |
| 33 | |
| 34 | /** |
| 35 | * Returns the version. |
| 36 | * |
| 37 | * @return version |
| 38 | */ |
| 39 | public long version() { |
| 40 | return version; |
| 41 | } |
| 42 | |
| 43 | @Override |
| 44 | public String toString() { |
| 45 | return MoreObjects.toStringHelper(this) |
| 46 | .add("value", value) |
| 47 | .add("version", version) |
| 48 | .toString(); |
| 49 | } |
| 50 | } |