Madan Jampani | 08822c4 | 2014-11-04 17:17:46 -0800 | [diff] [blame] | 1 | package org.onlab.onos.store.service; |
| 2 | |
Yuta HIGUCHI | 5e1cfe0 | 2014-11-04 21:22:45 -0800 | [diff] [blame] | 3 | import com.google.common.base.MoreObjects; |
| 4 | |
Madan Jampani | 08822c4 | 2014-11-04 17:17:46 -0800 | [diff] [blame] | 5 | |
| 6 | /** |
| 7 | * Database read result. |
| 8 | */ |
| 9 | public class ReadResult { |
| 10 | |
| 11 | private final String tableName; |
| 12 | private final String key; |
| 13 | private final VersionedValue value; |
| 14 | |
| 15 | public ReadResult(String tableName, String key, VersionedValue value) { |
| 16 | this.tableName = tableName; |
| 17 | this.key = key; |
| 18 | this.value = value; |
| 19 | } |
| 20 | |
| 21 | /** |
Madan Jampani | 9b19a82 | 2014-11-04 21:37:13 -0800 | [diff] [blame] | 22 | * Returns database table name. |
Yuta HIGUCHI | 5e1cfe0 | 2014-11-04 21:22:45 -0800 | [diff] [blame] | 23 | * @return table name |
Madan Jampani | 08822c4 | 2014-11-04 17:17:46 -0800 | [diff] [blame] | 24 | */ |
| 25 | public String tableName() { |
| 26 | return tableName; |
| 27 | } |
| 28 | |
| 29 | /** |
Madan Jampani | 9b19a82 | 2014-11-04 21:37:13 -0800 | [diff] [blame] | 30 | * Returns database table key. |
Yuta HIGUCHI | 5e1cfe0 | 2014-11-04 21:22:45 -0800 | [diff] [blame] | 31 | * @return key |
Madan Jampani | 08822c4 | 2014-11-04 17:17:46 -0800 | [diff] [blame] | 32 | */ |
| 33 | public String key() { |
| 34 | return key; |
| 35 | } |
| 36 | |
| 37 | /** |
Yuta HIGUCHI | 361664e | 2014-11-06 17:28:47 -0800 | [diff] [blame^] | 38 | * Returns true if database table contained value for the key. |
| 39 | * |
| 40 | * @return true if database table contained value for the key |
| 41 | */ |
| 42 | public boolean valueExists() { |
| 43 | return value != null; |
| 44 | } |
| 45 | |
| 46 | /** |
Madan Jampani | 9b19a82 | 2014-11-04 21:37:13 -0800 | [diff] [blame] | 47 | * Returns value associated with the key. |
Madan Jampani | 08822c4 | 2014-11-04 17:17:46 -0800 | [diff] [blame] | 48 | * @return non-null value if the table contains one, null otherwise. |
| 49 | */ |
| 50 | public VersionedValue value() { |
| 51 | return value; |
| 52 | } |
Yuta HIGUCHI | 5e1cfe0 | 2014-11-04 21:22:45 -0800 | [diff] [blame] | 53 | |
| 54 | @Override |
| 55 | public String toString() { |
| 56 | return MoreObjects.toStringHelper(getClass()) |
| 57 | .add("tableName", tableName) |
| 58 | .add("key", key) |
| 59 | .add("value", value) |
| 60 | .toString(); |
| 61 | } |
Madan Jampani | 08822c4 | 2014-11-04 17:17:46 -0800 | [diff] [blame] | 62 | } |