001 package org.apache.fulcrum.yaafi.framework.component; 002 003 /* 004 * Licensed to the Apache Software Foundation (ASF) under one 005 * or more contributor license agreements. See the NOTICE file 006 * distributed with this work for additional information 007 * regarding copyright ownership. The ASF licenses this file 008 * to you under the Apache License, Version 2.0 (the 009 * "License"); you may not use this file except in compliance 010 * with the License. You may obtain a copy of the License at 011 * 012 * http://www.apache.org/licenses/LICENSE-2.0 013 * 014 * Unless required by applicable law or agreed to in writing, 015 * software distributed under the License is distributed on an 016 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 017 * KIND, either express or implied. See the License for the 018 * specific language governing permissions and limitations 019 * under the License. 020 */ 021 022 import org.apache.avalon.framework.configuration.Configuration; 023 import org.apache.avalon.framework.context.Context; 024 import org.apache.avalon.framework.logger.Logger; 025 import org.apache.avalon.framework.parameters.Parameters; 026 import org.apache.avalon.framework.service.ServiceManager; 027 028 /** 029 * This class implements the lifecycle contract of a service component 030 * instance. 031 * 032 * @author <a href="mailto:siegfried.goeschl@it20one.at">Siegfried Goeschl</a> 033 */ 034 035 public interface ServiceComponentLifecycle 036 { 037 /** 038 * Loads the implementaion class. 039 * 040 * @param classLoader the classloader to use for loading the implementation class 041 * @throws ClassNotFoundException loading of the class failed 042 */ 043 void loadImplemtationClass(ClassLoader classLoader) throws ClassNotFoundException; 044 045 /** 046 * Incarnates a service component instance. 047 * @throws Exception the operation failed 048 */ 049 void incarnate() throws Exception; 050 051 /** 052 * Reconfigures a service component instance 053 * @throws Exception the operation failed 054 */ 055 void reconfigure() throws Exception; 056 057 /** 058 * Decommisions a service component instance. 059 * @throws Exception the operation failed 060 */ 061 void decommision() throws Exception; 062 063 /** 064 * Dispose a service component instance. 065 */ 066 void dispose(); 067 068 /** 069 * @return Returns the instance of the singleton 070 * @throws Exception the operation failed 071 */ 072 Object getInstance() throws Exception; 073 074 /** 075 * Sets the logger to be used by this component. 076 * 077 * @param logger The logger to set 078 */ 079 void setLogger(Logger logger); 080 081 /** 082 * Sets the ServiceManager to be used by this component. 083 * 084 * @param serviceManager The serviceManager to set. 085 */ 086 void setServiceManager(ServiceManager serviceManager); 087 088 /** 089 * Sets the Context to be used by this component. 090 * 091 * @param context The context to set. 092 */ 093 void setContext(Context context); 094 095 /** 096 * Sets the Configuration to be used by this component. 097 * 098 * @param configuration The configuration to set. 099 */ 100 void setConfiguration(Configuration configuration); 101 102 /** 103 * Sets the Parameters to be used by this component. 104 * 105 * @param parameters The paramaters to set. 106 */ 107 void setParameters(Parameters parameters); 108 }