Madan Jampani | 08706ce | 2015-04-01 14:49:28 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2015 Open Networking Laboratory |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
Madan Jampani | f4c8850 | 2016-01-21 12:35:36 -0800 | [diff] [blame] | 16 | package org.onosproject.store.primitives.impl; |
Madan Jampani | 08706ce | 2015-04-01 14:49:28 -0700 | [diff] [blame] | 17 | |
Madan Jampani | a090a11 | 2016-01-18 16:38:17 -0800 | [diff] [blame] | 18 | import org.onosproject.store.service.AsyncDistributedSet; |
| 19 | import org.onosproject.store.service.ConsistentMapException; |
Madan Jampani | 50589ac | 2015-06-08 11:38:46 -0700 | [diff] [blame] | 20 | import org.onosproject.store.service.DistributedSet; |
Madan Jampani | 50589ac | 2015-06-08 11:38:46 -0700 | [diff] [blame] | 21 | import org.onosproject.store.service.SetEventListener; |
Madan Jampani | a090a11 | 2016-01-18 16:38:17 -0800 | [diff] [blame] | 22 | import org.onosproject.store.service.Synchronous; |
Madan Jampani | 08706ce | 2015-04-01 14:49:28 -0700 | [diff] [blame] | 23 | |
Brian Stanke | 7dee11e | 2016-01-14 14:43:48 -0500 | [diff] [blame] | 24 | import java.lang.reflect.Array; |
Flavio Castro | 41b1f3a | 2015-07-31 13:51:32 -0700 | [diff] [blame] | 25 | import java.util.Collection; |
| 26 | import java.util.Iterator; |
Madan Jampani | a090a11 | 2016-01-18 16:38:17 -0800 | [diff] [blame] | 27 | import java.util.concurrent.CompletableFuture; |
| 28 | import java.util.concurrent.ExecutionException; |
| 29 | import java.util.concurrent.TimeUnit; |
| 30 | import java.util.concurrent.TimeoutException; |
Madan Jampani | 08706ce | 2015-04-01 14:49:28 -0700 | [diff] [blame] | 31 | |
| 32 | /** |
Madan Jampani | a090a11 | 2016-01-18 16:38:17 -0800 | [diff] [blame] | 33 | * Implementation of {@link DistributedSet} that merely delegates to a {@link AsyncDistributedSet} |
| 34 | * and waits for the operation to complete. |
Madan Jampani | 08706ce | 2015-04-01 14:49:28 -0700 | [diff] [blame] | 35 | |
| 36 | * @param <E> set element type |
| 37 | */ |
Madan Jampani | a090a11 | 2016-01-18 16:38:17 -0800 | [diff] [blame] | 38 | public class DefaultDistributedSet<E> extends Synchronous<AsyncDistributedSet<E>> implements DistributedSet<E> { |
Madan Jampani | 08706ce | 2015-04-01 14:49:28 -0700 | [diff] [blame] | 39 | |
Madan Jampani | a090a11 | 2016-01-18 16:38:17 -0800 | [diff] [blame] | 40 | private static final long OPERATION_TIMEOUT_MILLIS = 5000; |
Flavio Castro | 41b1f3a | 2015-07-31 13:51:32 -0700 | [diff] [blame] | 41 | |
Madan Jampani | a090a11 | 2016-01-18 16:38:17 -0800 | [diff] [blame] | 42 | private final AsyncDistributedSet<E> asyncSet; |
Madan Jampani | 08706ce | 2015-04-01 14:49:28 -0700 | [diff] [blame] | 43 | |
Madan Jampani | a090a11 | 2016-01-18 16:38:17 -0800 | [diff] [blame] | 44 | public DefaultDistributedSet(AsyncDistributedSet<E> asyncSet) { |
| 45 | super(asyncSet); |
| 46 | this.asyncSet = asyncSet; |
| 47 | } |
| 48 | |
| 49 | private static <T> T complete(CompletableFuture<T> future) { |
| 50 | try { |
| 51 | return future.get(OPERATION_TIMEOUT_MILLIS, TimeUnit.MILLISECONDS); |
| 52 | } catch (InterruptedException e) { |
| 53 | Thread.currentThread().interrupt(); |
| 54 | throw new ConsistentMapException.Interrupted(); |
| 55 | } catch (TimeoutException e) { |
| 56 | throw new ConsistentMapException.Timeout(); |
| 57 | } catch (ExecutionException e) { |
| 58 | if (e.getCause() instanceof ConsistentMapException) { |
| 59 | throw (ConsistentMapException) e.getCause(); |
| 60 | } else { |
| 61 | throw new ConsistentMapException(e.getCause()); |
| 62 | } |
| 63 | } |
Madan Jampani | 08706ce | 2015-04-01 14:49:28 -0700 | [diff] [blame] | 64 | } |
| 65 | |
| 66 | @Override |
| 67 | public int size() { |
Madan Jampani | a090a11 | 2016-01-18 16:38:17 -0800 | [diff] [blame] | 68 | return complete(asyncSet.size()); |
Madan Jampani | 08706ce | 2015-04-01 14:49:28 -0700 | [diff] [blame] | 69 | } |
| 70 | |
| 71 | @Override |
| 72 | public boolean isEmpty() { |
Madan Jampani | a090a11 | 2016-01-18 16:38:17 -0800 | [diff] [blame] | 73 | return complete(asyncSet.isEmpty()); |
Madan Jampani | 08706ce | 2015-04-01 14:49:28 -0700 | [diff] [blame] | 74 | } |
| 75 | |
Madan Jampani | bff6d8f | 2015-03-31 16:53:47 -0700 | [diff] [blame] | 76 | @SuppressWarnings("unchecked") |
Madan Jampani | 08706ce | 2015-04-01 14:49:28 -0700 | [diff] [blame] | 77 | @Override |
| 78 | public boolean contains(Object o) { |
Madan Jampani | a090a11 | 2016-01-18 16:38:17 -0800 | [diff] [blame] | 79 | return complete(asyncSet.contains((E) o)); |
Madan Jampani | 08706ce | 2015-04-01 14:49:28 -0700 | [diff] [blame] | 80 | } |
| 81 | |
| 82 | @Override |
| 83 | public Iterator<E> iterator() { |
Madan Jampani | a090a11 | 2016-01-18 16:38:17 -0800 | [diff] [blame] | 84 | return complete(asyncSet.getAsImmutableSet()).iterator(); |
Madan Jampani | 08706ce | 2015-04-01 14:49:28 -0700 | [diff] [blame] | 85 | } |
| 86 | |
| 87 | @Override |
| 88 | public Object[] toArray() { |
Madan Jampani | a090a11 | 2016-01-18 16:38:17 -0800 | [diff] [blame] | 89 | return complete(asyncSet.getAsImmutableSet()).stream().toArray(); |
Madan Jampani | 08706ce | 2015-04-01 14:49:28 -0700 | [diff] [blame] | 90 | } |
| 91 | |
Madan Jampani | a090a11 | 2016-01-18 16:38:17 -0800 | [diff] [blame] | 92 | @SuppressWarnings("unchecked") |
Madan Jampani | 08706ce | 2015-04-01 14:49:28 -0700 | [diff] [blame] | 93 | @Override |
| 94 | public <T> T[] toArray(T[] a) { |
Madan Jampani | a090a11 | 2016-01-18 16:38:17 -0800 | [diff] [blame] | 95 | // TODO: Optimize this to only allocate a new array if the set size |
| 96 | // is larger than the array.length. If the set size is smaller than |
| 97 | // the array.length then copy the data into the array and set the |
| 98 | // last element in the array to be null. |
| 99 | final T[] resizedArray = |
| 100 | (T[]) Array.newInstance(a.getClass().getComponentType(), complete(asyncSet.getAsImmutableSet()).size()); |
| 101 | return complete(asyncSet.getAsImmutableSet()).toArray(resizedArray); |
Madan Jampani | 08706ce | 2015-04-01 14:49:28 -0700 | [diff] [blame] | 102 | } |
| 103 | |
| 104 | @Override |
| 105 | public boolean add(E e) { |
Madan Jampani | a090a11 | 2016-01-18 16:38:17 -0800 | [diff] [blame] | 106 | return complete(asyncSet.add(e)); |
Madan Jampani | 08706ce | 2015-04-01 14:49:28 -0700 | [diff] [blame] | 107 | } |
| 108 | |
Madan Jampani | bff6d8f | 2015-03-31 16:53:47 -0700 | [diff] [blame] | 109 | @SuppressWarnings("unchecked") |
Madan Jampani | 08706ce | 2015-04-01 14:49:28 -0700 | [diff] [blame] | 110 | @Override |
| 111 | public boolean remove(Object o) { |
Madan Jampani | a090a11 | 2016-01-18 16:38:17 -0800 | [diff] [blame] | 112 | return complete(asyncSet.remove((E) o)); |
Madan Jampani | 08706ce | 2015-04-01 14:49:28 -0700 | [diff] [blame] | 113 | } |
| 114 | |
Madan Jampani | a090a11 | 2016-01-18 16:38:17 -0800 | [diff] [blame] | 115 | @SuppressWarnings("unchecked") |
Madan Jampani | 08706ce | 2015-04-01 14:49:28 -0700 | [diff] [blame] | 116 | @Override |
| 117 | public boolean containsAll(Collection<?> c) { |
Madan Jampani | a090a11 | 2016-01-18 16:38:17 -0800 | [diff] [blame] | 118 | return complete(asyncSet.containsAll((Collection<? extends E>) c)); |
Madan Jampani | 08706ce | 2015-04-01 14:49:28 -0700 | [diff] [blame] | 119 | } |
| 120 | |
| 121 | @Override |
| 122 | public boolean addAll(Collection<? extends E> c) { |
Madan Jampani | a090a11 | 2016-01-18 16:38:17 -0800 | [diff] [blame] | 123 | return complete(asyncSet.addAll(c)); |
Madan Jampani | 08706ce | 2015-04-01 14:49:28 -0700 | [diff] [blame] | 124 | } |
| 125 | |
Madan Jampani | a090a11 | 2016-01-18 16:38:17 -0800 | [diff] [blame] | 126 | @SuppressWarnings("unchecked") |
Madan Jampani | 08706ce | 2015-04-01 14:49:28 -0700 | [diff] [blame] | 127 | @Override |
| 128 | public boolean retainAll(Collection<?> c) { |
Madan Jampani | a090a11 | 2016-01-18 16:38:17 -0800 | [diff] [blame] | 129 | return complete(asyncSet.retainAll((Collection<? extends E>) c)); |
Madan Jampani | 08706ce | 2015-04-01 14:49:28 -0700 | [diff] [blame] | 130 | } |
| 131 | |
Madan Jampani | a090a11 | 2016-01-18 16:38:17 -0800 | [diff] [blame] | 132 | @SuppressWarnings("unchecked") |
Madan Jampani | 08706ce | 2015-04-01 14:49:28 -0700 | [diff] [blame] | 133 | @Override |
| 134 | public boolean removeAll(Collection<?> c) { |
Madan Jampani | a090a11 | 2016-01-18 16:38:17 -0800 | [diff] [blame] | 135 | return complete(asyncSet.removeAll((Collection<? extends E>) c)); |
Madan Jampani | 08706ce | 2015-04-01 14:49:28 -0700 | [diff] [blame] | 136 | } |
| 137 | |
| 138 | @Override |
| 139 | public void clear() { |
Madan Jampani | a090a11 | 2016-01-18 16:38:17 -0800 | [diff] [blame] | 140 | complete(asyncSet.clear()); |
Madan Jampani | 08706ce | 2015-04-01 14:49:28 -0700 | [diff] [blame] | 141 | } |
Madan Jampani | 50589ac | 2015-06-08 11:38:46 -0700 | [diff] [blame] | 142 | |
| 143 | @Override |
| 144 | public void addListener(SetEventListener<E> listener) { |
Madan Jampani | a090a11 | 2016-01-18 16:38:17 -0800 | [diff] [blame] | 145 | complete(asyncSet.addListener(listener)); |
Madan Jampani | 50589ac | 2015-06-08 11:38:46 -0700 | [diff] [blame] | 146 | } |
| 147 | |
| 148 | @Override |
| 149 | public void removeListener(SetEventListener<E> listener) { |
Madan Jampani | a090a11 | 2016-01-18 16:38:17 -0800 | [diff] [blame] | 150 | complete(asyncSet.removeListener(listener)); |
Madan Jampani | 50589ac | 2015-06-08 11:38:46 -0700 | [diff] [blame] | 151 | } |
Madan Jampani | 08706ce | 2015-04-01 14:49:28 -0700 | [diff] [blame] | 152 | } |