Madan Jampani | b5d72d5 | 2015-04-03 16:53:50 -0700 | [diff] [blame] | 1 | package org.onosproject.store.consistent.impl; |
| 2 | |
Madan Jampani | f4d58f3 | 2015-06-05 17:38:22 -0700 | [diff] [blame] | 3 | import java.util.concurrent.ScheduledExecutorService; |
| 4 | |
Madan Jampani | b5d72d5 | 2015-04-03 16:53:50 -0700 | [diff] [blame] | 5 | import org.onosproject.store.service.AsyncAtomicCounter; |
| 6 | import org.onosproject.store.service.AtomicCounter; |
| 7 | import org.onosproject.store.service.AtomicCounterBuilder; |
| 8 | |
| 9 | import static com.google.common.base.Preconditions.checkArgument; |
| 10 | |
| 11 | /** |
| 12 | * Default implementation of AtomicCounterBuilder. |
| 13 | */ |
| 14 | public class DefaultAtomicCounterBuilder implements AtomicCounterBuilder { |
| 15 | |
| 16 | private String name; |
| 17 | private boolean partitionsEnabled = true; |
| 18 | private final Database partitionedDatabase; |
| 19 | private final Database inMemoryDatabase; |
Madan Jampani | f4d58f3 | 2015-06-05 17:38:22 -0700 | [diff] [blame] | 20 | private boolean retryOnFailure = false; |
| 21 | private ScheduledExecutorService retryExecutor = null; |
Madan Jampani | b5d72d5 | 2015-04-03 16:53:50 -0700 | [diff] [blame] | 22 | |
| 23 | public DefaultAtomicCounterBuilder(Database inMemoryDatabase, Database partitionedDatabase) { |
| 24 | this.inMemoryDatabase = inMemoryDatabase; |
| 25 | this.partitionedDatabase = partitionedDatabase; |
| 26 | } |
| 27 | |
| 28 | @Override |
| 29 | public AtomicCounterBuilder withName(String name) { |
| 30 | checkArgument(name != null && !name.isEmpty()); |
| 31 | this.name = name; |
| 32 | return this; |
| 33 | } |
| 34 | |
| 35 | @Override |
| 36 | public AtomicCounterBuilder withPartitionsDisabled() { |
| 37 | partitionsEnabled = false; |
| 38 | return this; |
| 39 | } |
| 40 | |
| 41 | @Override |
| 42 | public AtomicCounter build() { |
Madan Jampani | f4d58f3 | 2015-06-05 17:38:22 -0700 | [diff] [blame] | 43 | validateInputs(); |
Madan Jampani | b5d72d5 | 2015-04-03 16:53:50 -0700 | [diff] [blame] | 44 | Database database = partitionsEnabled ? partitionedDatabase : inMemoryDatabase; |
Madan Jampani | f4d58f3 | 2015-06-05 17:38:22 -0700 | [diff] [blame] | 45 | return new DefaultAtomicCounter(name, database, retryOnFailure, retryExecutor); |
Madan Jampani | b5d72d5 | 2015-04-03 16:53:50 -0700 | [diff] [blame] | 46 | } |
| 47 | |
| 48 | @Override |
| 49 | public AsyncAtomicCounter buildAsyncCounter() { |
Madan Jampani | f4d58f3 | 2015-06-05 17:38:22 -0700 | [diff] [blame] | 50 | validateInputs(); |
Madan Jampani | b5d72d5 | 2015-04-03 16:53:50 -0700 | [diff] [blame] | 51 | Database database = partitionsEnabled ? partitionedDatabase : inMemoryDatabase; |
Madan Jampani | f4d58f3 | 2015-06-05 17:38:22 -0700 | [diff] [blame] | 52 | return new DefaultAsyncAtomicCounter(name, database, retryOnFailure, retryExecutor); |
| 53 | } |
| 54 | |
| 55 | @Override |
| 56 | public AtomicCounterBuilder withRetryOnFailure() { |
| 57 | retryOnFailure = true; |
| 58 | return this; |
| 59 | } |
| 60 | |
| 61 | @Override |
| 62 | public AtomicCounterBuilder withRetryExecutor(ScheduledExecutorService executor) { |
| 63 | this.retryExecutor = executor; |
| 64 | return this; |
| 65 | } |
| 66 | |
| 67 | private void validateInputs() { |
| 68 | if (retryOnFailure) { |
| 69 | if (retryExecutor == null) { |
| 70 | throw new IllegalArgumentException("RetryExecutor must be specified when retries are enabled"); |
| 71 | } |
| 72 | } |
Madan Jampani | b5d72d5 | 2015-04-03 16:53:50 -0700 | [diff] [blame] | 73 | } |
| 74 | } |