Madan Jampani | 12390c1 | 2014-11-12 00:35:56 -0800 | [diff] [blame] | 1 | package org.onlab.onos.store.service.impl; |
| 2 | |
Madan Jampani | 9b37d57 | 2014-11-12 11:53:24 -0800 | [diff] [blame] | 3 | import org.onlab.onos.store.service.VersionedValue; |
| 4 | |
Madan Jampani | 44e6a54 | 2014-11-12 01:06:51 -0800 | [diff] [blame] | 5 | /** |
| 6 | * A table modification event. |
| 7 | */ |
| 8 | public final class TableModificationEvent { |
Madan Jampani | 12390c1 | 2014-11-12 00:35:56 -0800 | [diff] [blame] | 9 | |
Madan Jampani | 44e6a54 | 2014-11-12 01:06:51 -0800 | [diff] [blame] | 10 | /** |
| 11 | * Type of table modification event. |
| 12 | * |
| 13 | */ |
Madan Jampani | 12390c1 | 2014-11-12 00:35:56 -0800 | [diff] [blame] | 14 | public enum Type { |
| 15 | ROW_ADDED, |
| 16 | ROW_DELETED, |
| 17 | ROW_UPDATED |
| 18 | } |
Madan Jampani | 44e6a54 | 2014-11-12 01:06:51 -0800 | [diff] [blame] | 19 | |
Madan Jampani | 12390c1 | 2014-11-12 00:35:56 -0800 | [diff] [blame] | 20 | private final String tableName; |
| 21 | private final String key; |
Madan Jampani | 9b37d57 | 2014-11-12 11:53:24 -0800 | [diff] [blame] | 22 | private final VersionedValue value; |
Madan Jampani | 12390c1 | 2014-11-12 00:35:56 -0800 | [diff] [blame] | 23 | private final Type type; |
| 24 | |
Madan Jampani | 44e6a54 | 2014-11-12 01:06:51 -0800 | [diff] [blame] | 25 | /** |
| 26 | * Creates a new row deleted table modification event. |
| 27 | * @param tableName table name. |
| 28 | * @param key row key |
Madan Jampani | 9b37d57 | 2014-11-12 11:53:24 -0800 | [diff] [blame] | 29 | * @param value value associated with the key when it was deleted. |
Madan Jampani | 44e6a54 | 2014-11-12 01:06:51 -0800 | [diff] [blame] | 30 | * @return table modification event. |
| 31 | */ |
Madan Jampani | 9b37d57 | 2014-11-12 11:53:24 -0800 | [diff] [blame] | 32 | public static TableModificationEvent rowDeleted(String tableName, String key, VersionedValue value) { |
| 33 | return new TableModificationEvent(tableName, key, value, Type.ROW_DELETED); |
Madan Jampani | 12390c1 | 2014-11-12 00:35:56 -0800 | [diff] [blame] | 34 | } |
Madan Jampani | 44e6a54 | 2014-11-12 01:06:51 -0800 | [diff] [blame] | 35 | |
| 36 | /** |
| 37 | * Creates a new row added table modification event. |
| 38 | * @param tableName table name. |
| 39 | * @param key row key |
Madan Jampani | 9b37d57 | 2014-11-12 11:53:24 -0800 | [diff] [blame] | 40 | * @param value value associated with the key |
Madan Jampani | 44e6a54 | 2014-11-12 01:06:51 -0800 | [diff] [blame] | 41 | * @return table modification event. |
| 42 | */ |
Madan Jampani | 9b37d57 | 2014-11-12 11:53:24 -0800 | [diff] [blame] | 43 | public static TableModificationEvent rowAdded(String tableName, String key, VersionedValue value) { |
| 44 | return new TableModificationEvent(tableName, key, value, Type.ROW_ADDED); |
Madan Jampani | 12390c1 | 2014-11-12 00:35:56 -0800 | [diff] [blame] | 45 | } |
Madan Jampani | 44e6a54 | 2014-11-12 01:06:51 -0800 | [diff] [blame] | 46 | |
| 47 | /** |
| 48 | * Creates a new row updated table modification event. |
| 49 | * @param tableName table name. |
| 50 | * @param key row key |
Madan Jampani | 9b37d57 | 2014-11-12 11:53:24 -0800 | [diff] [blame] | 51 | * @param newValue value |
Madan Jampani | 44e6a54 | 2014-11-12 01:06:51 -0800 | [diff] [blame] | 52 | * @return table modification event. |
| 53 | */ |
Madan Jampani | 9b37d57 | 2014-11-12 11:53:24 -0800 | [diff] [blame] | 54 | public static TableModificationEvent rowUpdated(String tableName, String key, VersionedValue newValue) { |
| 55 | return new TableModificationEvent(tableName, key, newValue, Type.ROW_UPDATED); |
Madan Jampani | 12390c1 | 2014-11-12 00:35:56 -0800 | [diff] [blame] | 56 | } |
| 57 | |
Madan Jampani | 9b37d57 | 2014-11-12 11:53:24 -0800 | [diff] [blame] | 58 | private TableModificationEvent(String tableName, String key, VersionedValue value, Type type) { |
Madan Jampani | 12390c1 | 2014-11-12 00:35:56 -0800 | [diff] [blame] | 59 | this.tableName = tableName; |
| 60 | this.key = key; |
Madan Jampani | 9b37d57 | 2014-11-12 11:53:24 -0800 | [diff] [blame] | 61 | this.value = value; |
Madan Jampani | 12390c1 | 2014-11-12 00:35:56 -0800 | [diff] [blame] | 62 | this.type = type; |
| 63 | } |
| 64 | |
Madan Jampani | 44e6a54 | 2014-11-12 01:06:51 -0800 | [diff] [blame] | 65 | /** |
| 66 | * Returns name of table this event is for. |
| 67 | * @return table name |
| 68 | */ |
Madan Jampani | 12390c1 | 2014-11-12 00:35:56 -0800 | [diff] [blame] | 69 | public String tableName() { |
| 70 | return tableName; |
| 71 | } |
| 72 | |
Madan Jampani | 44e6a54 | 2014-11-12 01:06:51 -0800 | [diff] [blame] | 73 | /** |
| 74 | * Returns the row key this event is for. |
| 75 | * @return row key |
| 76 | */ |
Madan Jampani | 12390c1 | 2014-11-12 00:35:56 -0800 | [diff] [blame] | 77 | public String key() { |
| 78 | return key; |
| 79 | } |
| 80 | |
Madan Jampani | 44e6a54 | 2014-11-12 01:06:51 -0800 | [diff] [blame] | 81 | /** |
Madan Jampani | 9b37d57 | 2014-11-12 11:53:24 -0800 | [diff] [blame] | 82 | * Returns the value associated with the key. If the event for a deletion, this |
| 83 | * method returns value that was deleted. |
| 84 | * @return row value |
| 85 | */ |
| 86 | public VersionedValue value() { |
| 87 | return value; |
| 88 | } |
| 89 | |
| 90 | /** |
Madan Jampani | 44e6a54 | 2014-11-12 01:06:51 -0800 | [diff] [blame] | 91 | * Returns the type of table modification event. |
| 92 | * @return event type. |
| 93 | */ |
Madan Jampani | 12390c1 | 2014-11-12 00:35:56 -0800 | [diff] [blame] | 94 | public Type type() { |
| 95 | return type; |
| 96 | } |
| 97 | } |