Madan Jampani | f1b8e17 | 2015-03-23 11:42:02 -0700 | [diff] [blame] | 1 | package org.onosproject.store.consistent.impl; |
| 2 | |
| 3 | import static com.google.common.base.Preconditions.checkArgument; |
| 4 | import static com.google.common.base.Preconditions.checkState; |
| 5 | |
| 6 | import org.onosproject.store.service.AsyncConsistentMap; |
| 7 | import org.onosproject.store.service.ConsistentMap; |
| 8 | import org.onosproject.store.service.ConsistentMapBuilder; |
Madan Jampani | 50589ac | 2015-06-08 11:38:46 -0700 | [diff] [blame^] | 9 | import org.onosproject.store.service.MapEvent; |
Madan Jampani | f1b8e17 | 2015-03-23 11:42:02 -0700 | [diff] [blame] | 10 | import org.onosproject.store.service.Serializer; |
| 11 | |
| 12 | /** |
| 13 | * Default Consistent Map builder. |
| 14 | * |
| 15 | * @param <K> type for map key |
| 16 | * @param <V> type for map value |
| 17 | */ |
| 18 | public class DefaultConsistentMapBuilder<K, V> implements ConsistentMapBuilder<K, V> { |
| 19 | |
| 20 | private Serializer serializer; |
| 21 | private String name; |
| 22 | private boolean partitionsEnabled = true; |
Madan Jampani | 02b7fb8 | 2015-05-01 13:01:20 -0700 | [diff] [blame] | 23 | private boolean readOnly = false; |
Madan Jampani | 50589ac | 2015-06-08 11:38:46 -0700 | [diff] [blame^] | 24 | private final DatabaseManager manager; |
Madan Jampani | f1b8e17 | 2015-03-23 11:42:02 -0700 | [diff] [blame] | 25 | |
Madan Jampani | 50589ac | 2015-06-08 11:38:46 -0700 | [diff] [blame^] | 26 | public DefaultConsistentMapBuilder(DatabaseManager manager) { |
| 27 | this.manager = manager; |
Madan Jampani | f1b8e17 | 2015-03-23 11:42:02 -0700 | [diff] [blame] | 28 | } |
| 29 | |
| 30 | @Override |
| 31 | public ConsistentMapBuilder<K, V> withName(String name) { |
| 32 | checkArgument(name != null && !name.isEmpty()); |
| 33 | this.name = name; |
| 34 | return this; |
| 35 | } |
| 36 | |
| 37 | @Override |
| 38 | public ConsistentMapBuilder<K, V> withSerializer(Serializer serializer) { |
| 39 | checkArgument(serializer != null); |
| 40 | this.serializer = serializer; |
| 41 | return this; |
| 42 | } |
| 43 | |
| 44 | @Override |
| 45 | public ConsistentMapBuilder<K, V> withPartitionsDisabled() { |
| 46 | partitionsEnabled = false; |
| 47 | return this; |
| 48 | } |
| 49 | |
Madan Jampani | 02b7fb8 | 2015-05-01 13:01:20 -0700 | [diff] [blame] | 50 | @Override |
| 51 | public ConsistentMapBuilder<K, V> withUpdatesDisabled() { |
| 52 | readOnly = true; |
| 53 | return this; |
| 54 | } |
| 55 | |
Madan Jampani | f1b8e17 | 2015-03-23 11:42:02 -0700 | [diff] [blame] | 56 | private boolean validInputs() { |
| 57 | return name != null && serializer != null; |
| 58 | } |
| 59 | |
| 60 | @Override |
| 61 | public ConsistentMap<K, V> build() { |
Madan Jampani | 50589ac | 2015-06-08 11:38:46 -0700 | [diff] [blame^] | 62 | return new DefaultConsistentMap<>(buildAndRegisterMap()); |
Madan Jampani | f1b8e17 | 2015-03-23 11:42:02 -0700 | [diff] [blame] | 63 | } |
| 64 | |
| 65 | @Override |
| 66 | public AsyncConsistentMap<K, V> buildAsyncMap() { |
Madan Jampani | 50589ac | 2015-06-08 11:38:46 -0700 | [diff] [blame^] | 67 | return buildAndRegisterMap(); |
| 68 | } |
| 69 | |
| 70 | private DefaultAsyncConsistentMap<K, V> buildAndRegisterMap() { |
Madan Jampani | f1b8e17 | 2015-03-23 11:42:02 -0700 | [diff] [blame] | 71 | checkState(validInputs()); |
Madan Jampani | 50589ac | 2015-06-08 11:38:46 -0700 | [diff] [blame^] | 72 | DefaultAsyncConsistentMap<K, V> asyncMap = new DefaultAsyncConsistentMap<>( |
Madan Jampani | f1b8e17 | 2015-03-23 11:42:02 -0700 | [diff] [blame] | 73 | name, |
Madan Jampani | 50589ac | 2015-06-08 11:38:46 -0700 | [diff] [blame^] | 74 | partitionsEnabled ? manager.partitionedDatabase : manager.inMemoryDatabase, |
Madan Jampani | 02b7fb8 | 2015-05-01 13:01:20 -0700 | [diff] [blame] | 75 | serializer, |
Madan Jampani | 50589ac | 2015-06-08 11:38:46 -0700 | [diff] [blame^] | 76 | readOnly, |
| 77 | event -> manager.clusterCommunicator.<MapEvent<K, V>>broadcast(event, |
| 78 | DatabaseManager.mapUpdatesSubject(name), |
| 79 | serializer::encode)); |
| 80 | manager.registerMap(asyncMap); |
| 81 | return asyncMap; |
Madan Jampani | f1b8e17 | 2015-03-23 11:42:02 -0700 | [diff] [blame] | 82 | } |
| 83 | } |