| /* |
| * Copyright 2015 Open Networking Laboratory |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package org.onosproject.store.ecmap; |
| |
| import org.onosproject.store.Timestamp; |
| import org.onosproject.store.impl.Timestamped; |
| |
| import java.util.Map; |
| |
| /** |
| * A persistent store for an eventually consistent map. |
| */ |
| interface PersistentStore<K, V> { |
| |
| /** |
| * Read the contents of the disk into the given maps. |
| * |
| * @param items items map |
| * @param tombstones tombstones map |
| */ |
| void readInto(Map<K, Timestamped<V>> items, Map<K, Timestamp> tombstones); |
| |
| /** |
| * Puts a new key,value pair into the map on disk. |
| * |
| * @param key the key |
| * @param value the value |
| * @param timestamp the timestamp of the update |
| */ |
| void put(K key, V value, Timestamp timestamp); |
| |
| /** |
| * Removes a key from the map on disk. |
| * |
| * @param key the key |
| * @param timestamp the timestamp of the update |
| */ |
| void remove(K key, Timestamp timestamp); |
| } |