| /* |
| * Copyright 2016-present 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.primitives.impl; |
| |
| import java.util.concurrent.CompletableFuture; |
| |
| /** |
| * Interface for types that can be asynchronously opened and closed. |
| */ |
| public interface Managed<T> { |
| |
| /** |
| * Opens the managed object. |
| * |
| * @return A completable future to be completed once the object has been opened. |
| */ |
| CompletableFuture<Void> open(); |
| |
| /** |
| * Closes the managed object. |
| * |
| * @return A completable future to be completed once the object has been closed. |
| */ |
| CompletableFuture<Void> close(); |
| |
| /** |
| * Return {@code true} if the managed object is open. |
| * @return {@code true} if open |
| */ |
| boolean isOpen(); |
| } |