| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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.apache.ignite.configuration.notifications; |
| |
| import java.util.concurrent.CompletableFuture; |
| import org.jetbrains.annotations.NotNull; |
| |
| /** |
| * Configuration property change listener. |
| * |
| * @param <VIEW> VIEW type configuration. |
| */ |
| @FunctionalInterface |
| public interface ConfigurationListener<VIEW> { |
| /** |
| * Called on property value update. |
| * |
| * @param ctx Notification context. |
| * @return Future that signifies end of listener execution. |
| */ |
| @NotNull CompletableFuture<?> onUpdate(ConfigurationNotificationEvent<VIEW> ctx); |
| } |
| |