/** * 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.ambari.server.hooks; /** * Interface defining a contract for hook services. Hook services are responsible for executing additional logic / hooks that can be tied * to different events or steps in the application. */ public interface HookService { /** * Entrypoint for the hook logic. * * @param hookContext the context on which the hook logic is to be executed * * @return true if the hook gets triggered, false otherwise */ boolean execute(HookContext hookContext); }