Jordan Halterman | 9bdc24f | 2017-04-19 23:45:12 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2017-present 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 | */ |
| 16 | package org.onosproject.store.primitives.impl; |
| 17 | |
| 18 | import java.util.Map; |
| 19 | import java.util.concurrent.CompletableFuture; |
| 20 | import java.util.concurrent.Executor; |
| 21 | |
| 22 | import com.google.common.collect.Maps; |
Jordan Halterman | 9bdc24f | 2017-04-19 23:45:12 -0700 | [diff] [blame] | 23 | import org.onosproject.store.service.AsyncDocumentTree; |
| 24 | import org.onosproject.store.service.DocumentPath; |
| 25 | import org.onosproject.store.service.DocumentTreeListener; |
| 26 | import org.onosproject.store.service.Versioned; |
| 27 | |
| 28 | /** |
| 29 | * {@link AsyncDocumentTree} that executes asynchronous callbacks on a user provided |
| 30 | * {@link Executor}. |
| 31 | */ |
| 32 | public class ExecutingAsyncDocumentTree<V> extends ExecutingDistributedPrimitive implements AsyncDocumentTree<V> { |
| 33 | private final AsyncDocumentTree<V> delegateTree; |
Jordan Halterman | 046faeb | 2017-05-01 15:10:13 -0700 | [diff] [blame] | 34 | private final Executor orderedExecutor; |
Jordan Halterman | 9bdc24f | 2017-04-19 23:45:12 -0700 | [diff] [blame] | 35 | private final Map<DocumentTreeListener<V>, DocumentTreeListener<V>> listenerMap = Maps.newConcurrentMap(); |
| 36 | |
Jordan Halterman | 046faeb | 2017-05-01 15:10:13 -0700 | [diff] [blame] | 37 | public ExecutingAsyncDocumentTree( |
| 38 | AsyncDocumentTree<V> delegateTree, Executor orderedExecutor, Executor threadPoolExecutor) { |
| 39 | super(delegateTree, orderedExecutor, threadPoolExecutor); |
Jordan Halterman | 9bdc24f | 2017-04-19 23:45:12 -0700 | [diff] [blame] | 40 | this.delegateTree = delegateTree; |
Jordan Halterman | 046faeb | 2017-05-01 15:10:13 -0700 | [diff] [blame] | 41 | this.orderedExecutor = orderedExecutor; |
Jordan Halterman | 9bdc24f | 2017-04-19 23:45:12 -0700 | [diff] [blame] | 42 | } |
| 43 | |
| 44 | @Override |
| 45 | public DocumentPath root() { |
| 46 | return delegateTree.root(); |
| 47 | } |
| 48 | |
| 49 | @Override |
| 50 | public CompletableFuture<Map<String, Versioned<V>>> getChildren(DocumentPath path) { |
Jordan Halterman | 046faeb | 2017-05-01 15:10:13 -0700 | [diff] [blame] | 51 | return asyncFuture(delegateTree.getChildren(path)); |
Jordan Halterman | 9bdc24f | 2017-04-19 23:45:12 -0700 | [diff] [blame] | 52 | } |
| 53 | |
| 54 | @Override |
| 55 | public CompletableFuture<Versioned<V>> get(DocumentPath path) { |
Jordan Halterman | 046faeb | 2017-05-01 15:10:13 -0700 | [diff] [blame] | 56 | return asyncFuture(delegateTree.get(path)); |
Jordan Halterman | 9bdc24f | 2017-04-19 23:45:12 -0700 | [diff] [blame] | 57 | } |
| 58 | |
| 59 | @Override |
| 60 | public CompletableFuture<Versioned<V>> set(DocumentPath path, V value) { |
Jordan Halterman | 046faeb | 2017-05-01 15:10:13 -0700 | [diff] [blame] | 61 | return asyncFuture(delegateTree.set(path, value)); |
Jordan Halterman | 9bdc24f | 2017-04-19 23:45:12 -0700 | [diff] [blame] | 62 | } |
| 63 | |
| 64 | @Override |
| 65 | public CompletableFuture<Boolean> create(DocumentPath path, V value) { |
Jordan Halterman | 046faeb | 2017-05-01 15:10:13 -0700 | [diff] [blame] | 66 | return asyncFuture(delegateTree.create(path, value)); |
Jordan Halterman | 9bdc24f | 2017-04-19 23:45:12 -0700 | [diff] [blame] | 67 | } |
| 68 | |
| 69 | @Override |
| 70 | public CompletableFuture<Boolean> createRecursive(DocumentPath path, V value) { |
Jordan Halterman | 046faeb | 2017-05-01 15:10:13 -0700 | [diff] [blame] | 71 | return asyncFuture(delegateTree.createRecursive(path, value)); |
Jordan Halterman | 9bdc24f | 2017-04-19 23:45:12 -0700 | [diff] [blame] | 72 | } |
| 73 | |
| 74 | @Override |
| 75 | public CompletableFuture<Boolean> replace(DocumentPath path, V newValue, long version) { |
Jordan Halterman | 046faeb | 2017-05-01 15:10:13 -0700 | [diff] [blame] | 76 | return asyncFuture(delegateTree.replace(path, newValue, version)); |
Jordan Halterman | 9bdc24f | 2017-04-19 23:45:12 -0700 | [diff] [blame] | 77 | } |
| 78 | |
| 79 | @Override |
| 80 | public CompletableFuture<Boolean> replace(DocumentPath path, V newValue, V currentValue) { |
Jordan Halterman | 046faeb | 2017-05-01 15:10:13 -0700 | [diff] [blame] | 81 | return asyncFuture(delegateTree.replace(path, newValue, currentValue)); |
Jordan Halterman | 9bdc24f | 2017-04-19 23:45:12 -0700 | [diff] [blame] | 82 | } |
| 83 | |
| 84 | @Override |
| 85 | public CompletableFuture<Versioned<V>> removeNode(DocumentPath path) { |
Jordan Halterman | 046faeb | 2017-05-01 15:10:13 -0700 | [diff] [blame] | 86 | return asyncFuture(delegateTree.removeNode(path)); |
Jordan Halterman | 9bdc24f | 2017-04-19 23:45:12 -0700 | [diff] [blame] | 87 | } |
| 88 | |
| 89 | @Override |
| 90 | public CompletableFuture<Void> addListener(DocumentPath path, DocumentTreeListener<V> listener) { |
Jordan Halterman | 046faeb | 2017-05-01 15:10:13 -0700 | [diff] [blame] | 91 | DocumentTreeListener<V> wrappedListener = e -> orderedExecutor.execute(() -> listener.event(e)); |
Jordan Halterman | 9bdc24f | 2017-04-19 23:45:12 -0700 | [diff] [blame] | 92 | listenerMap.put(listener, wrappedListener); |
Jordan Halterman | 046faeb | 2017-05-01 15:10:13 -0700 | [diff] [blame] | 93 | return asyncFuture(delegateTree.addListener(path, wrappedListener)); |
Jordan Halterman | 9bdc24f | 2017-04-19 23:45:12 -0700 | [diff] [blame] | 94 | } |
| 95 | |
| 96 | @Override |
| 97 | public CompletableFuture<Void> removeListener(DocumentTreeListener<V> listener) { |
| 98 | DocumentTreeListener<V> wrappedListener = listenerMap.remove(listener); |
| 99 | if (wrappedListener != null) { |
Jordan Halterman | 046faeb | 2017-05-01 15:10:13 -0700 | [diff] [blame] | 100 | return asyncFuture(delegateTree.removeListener(wrappedListener)); |
Jordan Halterman | 9bdc24f | 2017-04-19 23:45:12 -0700 | [diff] [blame] | 101 | } |
| 102 | return CompletableFuture.completedFuture(null); |
| 103 | } |
| 104 | } |