001/* 002 * (C) Copyright 2006-2011 Nuxeo SA (http://nuxeo.com/) and others. 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * http://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 * 016 * Contributors: 017 * Nuxeo - initial API and implementation 018 * 019 * $Id$ 020 */ 021 022package org.nuxeo.runtime.model; 023 024import org.nuxeo.runtime.service.TimestampedService; 025 026/** 027 * A Nuxeo Runtime component. 028 * <p> 029 * Components are extensible and adaptable objects and they provide methods to respond to component life cycle events. 030 * 031 * @author <a href="mailto:bs@nuxeo.com">Bogdan Stefanescu</a> 032 */ 033public interface Component extends Extensible, TimestampedService { 034 035 /** 036 * Activates the component. 037 * <p> 038 * This method is called by the runtime when a component is activated. 039 * 040 * @param context the runtime context 041 */ 042 void activate(ComponentContext context); 043 044 /** 045 * Deactivates the component. 046 * <p> 047 * This method is called by the runtime when a component is deactivated. 048 * 049 * @param context the runtime context 050 */ 051 void deactivate(ComponentContext context); 052 053 /** 054 * The component notification order for {@link #applicationStarted}. 055 * <p> 056 * Components are notified in increasing order. Order 1000 is the default order for components that don't care. 057 * Order 100 is the repository initialization. 058 * 059 * @return the order, 1000 by default 060 * @since 5.6 061 */ 062 int getApplicationStartedOrder(); 063 064 /** 065 * Notify the component that Nuxeo Framework finished starting all Nuxeo bundles. 066 */ 067 void applicationStarted(ComponentContext context); 068 069}