Madan Jampani | 08706ce | 2015-04-01 14:49:28 -0700 | [diff] [blame] | 1 | /* |
Brian O'Connor | a09fe5b | 2017-08-03 21:12:30 -0700 | [diff] [blame] | 2 | * Copyright 2016-present Open Networking Foundation |
Madan Jampani | 08706ce | 2015-04-01 14:49:28 -0700 | [diff] [blame] | 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 | 538be74 | 2016-02-10 14:55:38 -0800 | [diff] [blame] | 16 | package org.onosproject.store.primitives; |
Madan Jampani | 08706ce | 2015-04-01 14:49:28 -0700 | [diff] [blame] | 17 | |
Brian Stanke | 7dee11e | 2016-01-14 14:43:48 -0500 | [diff] [blame] | 18 | import java.lang.reflect.Array; |
Flavio Castro | 41b1f3a | 2015-07-31 13:51:32 -0700 | [diff] [blame] | 19 | import java.util.Collection; |
| 20 | import java.util.Iterator; |
Madan Jampani | a090a11 | 2016-01-18 16:38:17 -0800 | [diff] [blame] | 21 | import java.util.concurrent.CompletableFuture; |
| 22 | import java.util.concurrent.ExecutionException; |
| 23 | import java.util.concurrent.TimeUnit; |
| 24 | import java.util.concurrent.TimeoutException; |
Madan Jampani | 08706ce | 2015-04-01 14:49:28 -0700 | [diff] [blame] | 25 | |
Madan Jampani | fa24218 | 2016-01-22 13:42:54 -0800 | [diff] [blame] | 26 | import org.onosproject.store.service.AsyncDistributedSet; |
| 27 | import org.onosproject.store.service.DistributedSet; |
| 28 | import org.onosproject.store.service.SetEventListener; |
| 29 | import org.onosproject.store.service.StorageException; |
| 30 | import org.onosproject.store.service.Synchronous; |
| 31 | |
Madan Jampani | 08706ce | 2015-04-01 14:49:28 -0700 | [diff] [blame] | 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 | 538be74 | 2016-02-10 14:55:38 -0800 | [diff] [blame] | 40 | private final long operationTimeoutMillis; |
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 | 538be74 | 2016-02-10 14:55:38 -0800 | [diff] [blame] | 44 | public DefaultDistributedSet(AsyncDistributedSet<E> asyncSet, long operationTimeoutMillis) { |
Madan Jampani | a090a11 | 2016-01-18 16:38:17 -0800 | [diff] [blame] | 45 | super(asyncSet); |
| 46 | this.asyncSet = asyncSet; |
Madan Jampani | 538be74 | 2016-02-10 14:55:38 -0800 | [diff] [blame] | 47 | this.operationTimeoutMillis = operationTimeoutMillis; |
Madan Jampani | 08706ce | 2015-04-01 14:49:28 -0700 | [diff] [blame] | 48 | } |
| 49 | |
| 50 | @Override |
| 51 | public int size() { |
Madan Jampani | a090a11 | 2016-01-18 16:38:17 -0800 | [diff] [blame] | 52 | return complete(asyncSet.size()); |
Madan Jampani | 08706ce | 2015-04-01 14:49:28 -0700 | [diff] [blame] | 53 | } |
| 54 | |
| 55 | @Override |
| 56 | public boolean isEmpty() { |
Madan Jampani | a090a11 | 2016-01-18 16:38:17 -0800 | [diff] [blame] | 57 | return complete(asyncSet.isEmpty()); |
Madan Jampani | 08706ce | 2015-04-01 14:49:28 -0700 | [diff] [blame] | 58 | } |
| 59 | |
Madan Jampani | bff6d8f | 2015-03-31 16:53:47 -0700 | [diff] [blame] | 60 | @SuppressWarnings("unchecked") |
Madan Jampani | 08706ce | 2015-04-01 14:49:28 -0700 | [diff] [blame] | 61 | @Override |
| 62 | public boolean contains(Object o) { |
Madan Jampani | a090a11 | 2016-01-18 16:38:17 -0800 | [diff] [blame] | 63 | return complete(asyncSet.contains((E) o)); |
Madan Jampani | 08706ce | 2015-04-01 14:49:28 -0700 | [diff] [blame] | 64 | } |
| 65 | |
| 66 | @Override |
| 67 | public Iterator<E> iterator() { |
Madan Jampani | a090a11 | 2016-01-18 16:38:17 -0800 | [diff] [blame] | 68 | return complete(asyncSet.getAsImmutableSet()).iterator(); |
Madan Jampani | 08706ce | 2015-04-01 14:49:28 -0700 | [diff] [blame] | 69 | } |
| 70 | |
| 71 | @Override |
| 72 | public Object[] toArray() { |
Madan Jampani | a090a11 | 2016-01-18 16:38:17 -0800 | [diff] [blame] | 73 | return complete(asyncSet.getAsImmutableSet()).stream().toArray(); |
Madan Jampani | 08706ce | 2015-04-01 14:49:28 -0700 | [diff] [blame] | 74 | } |
| 75 | |
Madan Jampani | a090a11 | 2016-01-18 16:38:17 -0800 | [diff] [blame] | 76 | @SuppressWarnings("unchecked") |
Madan Jampani | 08706ce | 2015-04-01 14:49:28 -0700 | [diff] [blame] | 77 | @Override |
| 78 | public <T> T[] toArray(T[] a) { |
Madan Jampani | a090a11 | 2016-01-18 16:38:17 -0800 | [diff] [blame] | 79 | // TODO: Optimize this to only allocate a new array if the set size |
| 80 | // is larger than the array.length. If the set size is smaller than |
| 81 | // the array.length then copy the data into the array and set the |
| 82 | // last element in the array to be null. |
| 83 | final T[] resizedArray = |
| 84 | (T[]) Array.newInstance(a.getClass().getComponentType(), complete(asyncSet.getAsImmutableSet()).size()); |
| 85 | return complete(asyncSet.getAsImmutableSet()).toArray(resizedArray); |
Madan Jampani | 08706ce | 2015-04-01 14:49:28 -0700 | [diff] [blame] | 86 | } |
| 87 | |
| 88 | @Override |
| 89 | public boolean add(E e) { |
Madan Jampani | a090a11 | 2016-01-18 16:38:17 -0800 | [diff] [blame] | 90 | return complete(asyncSet.add(e)); |
Madan Jampani | 08706ce | 2015-04-01 14:49:28 -0700 | [diff] [blame] | 91 | } |
| 92 | |
Madan Jampani | bff6d8f | 2015-03-31 16:53:47 -0700 | [diff] [blame] | 93 | @SuppressWarnings("unchecked") |
Madan Jampani | 08706ce | 2015-04-01 14:49:28 -0700 | [diff] [blame] | 94 | @Override |
| 95 | public boolean remove(Object o) { |
Madan Jampani | a090a11 | 2016-01-18 16:38:17 -0800 | [diff] [blame] | 96 | return complete(asyncSet.remove((E) o)); |
Madan Jampani | 08706ce | 2015-04-01 14:49:28 -0700 | [diff] [blame] | 97 | } |
| 98 | |
Madan Jampani | a090a11 | 2016-01-18 16:38:17 -0800 | [diff] [blame] | 99 | @SuppressWarnings("unchecked") |
Madan Jampani | 08706ce | 2015-04-01 14:49:28 -0700 | [diff] [blame] | 100 | @Override |
| 101 | public boolean containsAll(Collection<?> c) { |
Madan Jampani | a090a11 | 2016-01-18 16:38:17 -0800 | [diff] [blame] | 102 | return complete(asyncSet.containsAll((Collection<? extends E>) c)); |
Madan Jampani | 08706ce | 2015-04-01 14:49:28 -0700 | [diff] [blame] | 103 | } |
| 104 | |
| 105 | @Override |
| 106 | public boolean addAll(Collection<? extends E> c) { |
Madan Jampani | a090a11 | 2016-01-18 16:38:17 -0800 | [diff] [blame] | 107 | return complete(asyncSet.addAll(c)); |
Madan Jampani | 08706ce | 2015-04-01 14:49:28 -0700 | [diff] [blame] | 108 | } |
| 109 | |
Madan Jampani | a090a11 | 2016-01-18 16:38:17 -0800 | [diff] [blame] | 110 | @SuppressWarnings("unchecked") |
Madan Jampani | 08706ce | 2015-04-01 14:49:28 -0700 | [diff] [blame] | 111 | @Override |
| 112 | public boolean retainAll(Collection<?> c) { |
Madan Jampani | a090a11 | 2016-01-18 16:38:17 -0800 | [diff] [blame] | 113 | return complete(asyncSet.retainAll((Collection<? extends E>) c)); |
Madan Jampani | 08706ce | 2015-04-01 14:49:28 -0700 | [diff] [blame] | 114 | } |
| 115 | |
Madan Jampani | a090a11 | 2016-01-18 16:38:17 -0800 | [diff] [blame] | 116 | @SuppressWarnings("unchecked") |
Madan Jampani | 08706ce | 2015-04-01 14:49:28 -0700 | [diff] [blame] | 117 | @Override |
| 118 | public boolean removeAll(Collection<?> c) { |
Madan Jampani | a090a11 | 2016-01-18 16:38:17 -0800 | [diff] [blame] | 119 | return complete(asyncSet.removeAll((Collection<? extends E>) c)); |
Madan Jampani | 08706ce | 2015-04-01 14:49:28 -0700 | [diff] [blame] | 120 | } |
| 121 | |
| 122 | @Override |
| 123 | public void clear() { |
Madan Jampani | a090a11 | 2016-01-18 16:38:17 -0800 | [diff] [blame] | 124 | complete(asyncSet.clear()); |
Madan Jampani | 08706ce | 2015-04-01 14:49:28 -0700 | [diff] [blame] | 125 | } |
Madan Jampani | 50589ac | 2015-06-08 11:38:46 -0700 | [diff] [blame] | 126 | |
| 127 | @Override |
| 128 | public void addListener(SetEventListener<E> listener) { |
Madan Jampani | a090a11 | 2016-01-18 16:38:17 -0800 | [diff] [blame] | 129 | complete(asyncSet.addListener(listener)); |
Madan Jampani | 50589ac | 2015-06-08 11:38:46 -0700 | [diff] [blame] | 130 | } |
| 131 | |
| 132 | @Override |
| 133 | public void removeListener(SetEventListener<E> listener) { |
Madan Jampani | a090a11 | 2016-01-18 16:38:17 -0800 | [diff] [blame] | 134 | complete(asyncSet.removeListener(listener)); |
Madan Jampani | 50589ac | 2015-06-08 11:38:46 -0700 | [diff] [blame] | 135 | } |
Madan Jampani | 538be74 | 2016-02-10 14:55:38 -0800 | [diff] [blame] | 136 | |
| 137 | private <T> T complete(CompletableFuture<T> future) { |
| 138 | try { |
| 139 | return future.get(operationTimeoutMillis, TimeUnit.MILLISECONDS); |
| 140 | } catch (InterruptedException e) { |
| 141 | Thread.currentThread().interrupt(); |
| 142 | throw new StorageException.Interrupted(); |
| 143 | } catch (TimeoutException e) { |
| 144 | throw new StorageException.Timeout(); |
| 145 | } catch (ExecutionException e) { |
| 146 | if (e.getCause() instanceof StorageException) { |
| 147 | throw (StorageException) e.getCause(); |
| 148 | } else { |
| 149 | throw new StorageException(e.getCause()); |
| 150 | } |
| 151 | } |
| 152 | } |
Madan Jampani | 08706ce | 2015-04-01 14:49:28 -0700 | [diff] [blame] | 153 | } |