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 | f5d263b | 2014-11-13 10:04:40 -0800 | [diff] [blame] | 5 | import com.google.common.base.MoreObjects; |
| 6 | |
Madan Jampani | 44e6a54 | 2014-11-12 01:06:51 -0800 | [diff] [blame] | 7 | /** |
| 8 | * A table modification event. |
| 9 | */ |
| 10 | public final class TableModificationEvent { |
Madan Jampani | 12390c1 | 2014-11-12 00:35:56 -0800 | [diff] [blame] | 11 | |
Madan Jampani | 44e6a54 | 2014-11-12 01:06:51 -0800 | [diff] [blame] | 12 | /** |
| 13 | * Type of table modification event. |
Madan Jampani | 44e6a54 | 2014-11-12 01:06:51 -0800 | [diff] [blame] | 14 | */ |
Madan Jampani | 12390c1 | 2014-11-12 00:35:56 -0800 | [diff] [blame] | 15 | public enum Type { |
| 16 | ROW_ADDED, |
| 17 | ROW_DELETED, |
| 18 | ROW_UPDATED |
| 19 | } |
Madan Jampani | 44e6a54 | 2014-11-12 01:06:51 -0800 | [diff] [blame] | 20 | |
Madan Jampani | 12390c1 | 2014-11-12 00:35:56 -0800 | [diff] [blame] | 21 | private final String tableName; |
| 22 | private final String key; |
Madan Jampani | 9b37d57 | 2014-11-12 11:53:24 -0800 | [diff] [blame] | 23 | private final VersionedValue value; |
Madan Jampani | 12390c1 | 2014-11-12 00:35:56 -0800 | [diff] [blame] | 24 | private final Type type; |
| 25 | |
Madan Jampani | 44e6a54 | 2014-11-12 01:06:51 -0800 | [diff] [blame] | 26 | /** |
| 27 | * Creates a new row deleted table modification event. |
| 28 | * @param tableName table name. |
| 29 | * @param key row key |
Madan Jampani | 9b37d57 | 2014-11-12 11:53:24 -0800 | [diff] [blame] | 30 | * @param value value associated with the key when it was deleted. |
Madan Jampani | 44e6a54 | 2014-11-12 01:06:51 -0800 | [diff] [blame] | 31 | * @return table modification event. |
| 32 | */ |
Madan Jampani | 9b37d57 | 2014-11-12 11:53:24 -0800 | [diff] [blame] | 33 | public static TableModificationEvent rowDeleted(String tableName, String key, VersionedValue value) { |
| 34 | return new TableModificationEvent(tableName, key, value, Type.ROW_DELETED); |
Madan Jampani | 12390c1 | 2014-11-12 00:35:56 -0800 | [diff] [blame] | 35 | } |
Madan Jampani | 44e6a54 | 2014-11-12 01:06:51 -0800 | [diff] [blame] | 36 | |
| 37 | /** |
| 38 | * Creates a new row added table modification event. |
| 39 | * @param tableName table name. |
| 40 | * @param key row key |
Madan Jampani | 9b37d57 | 2014-11-12 11:53:24 -0800 | [diff] [blame] | 41 | * @param value value associated with the key |
Madan Jampani | 44e6a54 | 2014-11-12 01:06:51 -0800 | [diff] [blame] | 42 | * @return table modification event. |
| 43 | */ |
Madan Jampani | 9b37d57 | 2014-11-12 11:53:24 -0800 | [diff] [blame] | 44 | public static TableModificationEvent rowAdded(String tableName, String key, VersionedValue value) { |
| 45 | return new TableModificationEvent(tableName, key, value, Type.ROW_ADDED); |
Madan Jampani | 12390c1 | 2014-11-12 00:35:56 -0800 | [diff] [blame] | 46 | } |
Madan Jampani | 44e6a54 | 2014-11-12 01:06:51 -0800 | [diff] [blame] | 47 | |
| 48 | /** |
| 49 | * Creates a new row updated table modification event. |
| 50 | * @param tableName table name. |
| 51 | * @param key row key |
Madan Jampani | 9b37d57 | 2014-11-12 11:53:24 -0800 | [diff] [blame] | 52 | * @param newValue value |
Madan Jampani | 44e6a54 | 2014-11-12 01:06:51 -0800 | [diff] [blame] | 53 | * @return table modification event. |
| 54 | */ |
Madan Jampani | 9b37d57 | 2014-11-12 11:53:24 -0800 | [diff] [blame] | 55 | public static TableModificationEvent rowUpdated(String tableName, String key, VersionedValue newValue) { |
| 56 | return new TableModificationEvent(tableName, key, newValue, Type.ROW_UPDATED); |
Madan Jampani | 12390c1 | 2014-11-12 00:35:56 -0800 | [diff] [blame] | 57 | } |
| 58 | |
Madan Jampani | 9b37d57 | 2014-11-12 11:53:24 -0800 | [diff] [blame] | 59 | private TableModificationEvent(String tableName, String key, VersionedValue value, Type type) { |
Madan Jampani | 12390c1 | 2014-11-12 00:35:56 -0800 | [diff] [blame] | 60 | this.tableName = tableName; |
| 61 | this.key = key; |
Madan Jampani | 9b37d57 | 2014-11-12 11:53:24 -0800 | [diff] [blame] | 62 | this.value = value; |
Madan Jampani | 12390c1 | 2014-11-12 00:35:56 -0800 | [diff] [blame] | 63 | this.type = type; |
| 64 | } |
| 65 | |
Madan Jampani | 44e6a54 | 2014-11-12 01:06:51 -0800 | [diff] [blame] | 66 | /** |
| 67 | * Returns name of table this event is for. |
| 68 | * @return table name |
| 69 | */ |
Madan Jampani | 12390c1 | 2014-11-12 00:35:56 -0800 | [diff] [blame] | 70 | public String tableName() { |
| 71 | return tableName; |
| 72 | } |
| 73 | |
Madan Jampani | 44e6a54 | 2014-11-12 01:06:51 -0800 | [diff] [blame] | 74 | /** |
| 75 | * Returns the row key this event is for. |
| 76 | * @return row key |
| 77 | */ |
Madan Jampani | 12390c1 | 2014-11-12 00:35:56 -0800 | [diff] [blame] | 78 | public String key() { |
| 79 | return key; |
| 80 | } |
| 81 | |
Madan Jampani | 44e6a54 | 2014-11-12 01:06:51 -0800 | [diff] [blame] | 82 | /** |
Madan Jampani | 9b37d57 | 2014-11-12 11:53:24 -0800 | [diff] [blame] | 83 | * Returns the value associated with the key. If the event for a deletion, this |
| 84 | * method returns value that was deleted. |
| 85 | * @return row value |
| 86 | */ |
| 87 | public VersionedValue value() { |
| 88 | return value; |
| 89 | } |
| 90 | |
| 91 | /** |
Madan Jampani | 44e6a54 | 2014-11-12 01:06:51 -0800 | [diff] [blame] | 92 | * Returns the type of table modification event. |
| 93 | * @return event type. |
| 94 | */ |
Madan Jampani | 12390c1 | 2014-11-12 00:35:56 -0800 | [diff] [blame] | 95 | public Type type() { |
| 96 | return type; |
| 97 | } |
Madan Jampani | f5d263b | 2014-11-13 10:04:40 -0800 | [diff] [blame] | 98 | |
| 99 | @Override |
| 100 | public String toString() { |
| 101 | return MoreObjects.toStringHelper(getClass()) |
| 102 | .add("type", type) |
| 103 | .add("tableName", tableName) |
| 104 | .add("key", key) |
| 105 | .add("version", value.version()) |
| 106 | .toString(); |
| 107 | } |
Madan Jampani | 12390c1 | 2014-11-12 00:35:56 -0800 | [diff] [blame] | 108 | } |