/** * 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.jena.system; /** Lifecycle interface for jena modules and subsystems. */ public interface JenaSubsystemLifecycle { /** start - a module should be ready to operate when this returns */ public void start() ; /** stop - a module should have preformed any shutdown operations by the time this returns */ public void stop() ; /** Provide a marker as to the level to order initialization, 10,20,30,... * See {@link JenaSystem} for details. */ default public int level() { return 9999 ; } }