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; |
Madan Jampani | 12390c1 | 2014-11-12 00:35:56 -0800 | [diff] [blame^] | 14 | private final ReadStatus status; |
Madan Jampani | 08822c4 | 2014-11-04 17:17:46 -0800 | [diff] [blame] | 15 | |
Madan Jampani | 12390c1 | 2014-11-12 00:35:56 -0800 | [diff] [blame^] | 16 | public ReadResult(ReadStatus status, String tableName, String key, VersionedValue value) { |
| 17 | this.status = status; |
Madan Jampani | 08822c4 | 2014-11-04 17:17:46 -0800 | [diff] [blame] | 18 | this.tableName = tableName; |
| 19 | this.key = key; |
| 20 | this.value = value; |
| 21 | } |
Madan Jampani | 12390c1 | 2014-11-12 00:35:56 -0800 | [diff] [blame^] | 22 | |
| 23 | /** |
| 24 | * Returns the status of the read operation. |
| 25 | */ |
| 26 | public ReadStatus status() { |
| 27 | return status; |
| 28 | } |
Madan Jampani | 08822c4 | 2014-11-04 17:17:46 -0800 | [diff] [blame] | 29 | |
| 30 | /** |
Madan Jampani | 9b19a82 | 2014-11-04 21:37:13 -0800 | [diff] [blame] | 31 | * Returns database table name. |
Yuta HIGUCHI | 5e1cfe0 | 2014-11-04 21:22:45 -0800 | [diff] [blame] | 32 | * @return table name |
Madan Jampani | 08822c4 | 2014-11-04 17:17:46 -0800 | [diff] [blame] | 33 | */ |
| 34 | public String tableName() { |
| 35 | return tableName; |
| 36 | } |
| 37 | |
| 38 | /** |
Madan Jampani | 9b19a82 | 2014-11-04 21:37:13 -0800 | [diff] [blame] | 39 | * Returns database table key. |
Yuta HIGUCHI | 5e1cfe0 | 2014-11-04 21:22:45 -0800 | [diff] [blame] | 40 | * @return key |
Madan Jampani | 08822c4 | 2014-11-04 17:17:46 -0800 | [diff] [blame] | 41 | */ |
| 42 | public String key() { |
| 43 | return key; |
| 44 | } |
| 45 | |
| 46 | /** |
Yuta HIGUCHI | 361664e | 2014-11-06 17:28:47 -0800 | [diff] [blame] | 47 | * Returns true if database table contained value for the key. |
| 48 | * |
| 49 | * @return true if database table contained value for the key |
| 50 | */ |
| 51 | public boolean valueExists() { |
| 52 | return value != null; |
| 53 | } |
| 54 | |
| 55 | /** |
Madan Jampani | 9b19a82 | 2014-11-04 21:37:13 -0800 | [diff] [blame] | 56 | * Returns value associated with the key. |
Madan Jampani | 08822c4 | 2014-11-04 17:17:46 -0800 | [diff] [blame] | 57 | * @return non-null value if the table contains one, null otherwise. |
| 58 | */ |
| 59 | public VersionedValue value() { |
| 60 | return value; |
| 61 | } |
Yuta HIGUCHI | 5e1cfe0 | 2014-11-04 21:22:45 -0800 | [diff] [blame] | 62 | |
| 63 | @Override |
| 64 | public String toString() { |
| 65 | return MoreObjects.toStringHelper(getClass()) |
| 66 | .add("tableName", tableName) |
| 67 | .add("key", key) |
| 68 | .add("value", value) |
| 69 | .toString(); |
| 70 | } |
Madan Jampani | 08822c4 | 2014-11-04 17:17:46 -0800 | [diff] [blame] | 71 | } |