| /* |
| * Copyright 2015-present Open Networking Foundation |
| * |
| * 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.event; |
| |
| /** |
| * Entity capable of filtering events. |
| */ |
| public interface EventFilter<E extends Event> { |
| |
| /** |
| * Indicates whether the specified event is of interest or not. |
| * Default implementation always returns true. |
| * |
| * @param event event to be inspected |
| * @return true if event is relevant; false otherwise |
| */ |
| default boolean isRelevant(E event) { |
| return true; |
| } |
| |
| } |