2 * Copyright 2015-present Open Networking Foundation
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
8 * http://www.apache.org/licenses/LICENSE-2.0
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.
16 package io.atomix.utils.event;
19 * Entity capable of filtering events.
21 public interface EventFilter<E extends Event> {
24 * Indicates whether the specified event is of interest or not.
25 * Default implementation always returns true.
27 * @param event event to be inspected
28 * @return true if event is relevant; false otherwise
30 default boolean isRelevant(E event) {