001// Copyright 2006, 2007, 2008 The Apache Software Foundation 002// 003// Licensed under the Apache License, Version 2.0 (the "License"); 004// you may not use this file except in compliance with the License. 005// You may obtain a copy of the License at 006// 007// http://www.apache.org/licenses/LICENSE-2.0 008// 009// Unless required by applicable law or agreed to in writing, software 010// distributed under the License is distributed on an "AS IS" BASIS, 011// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 012// See the License for the specific language governing permissions and 013// limitations under the License. 014 015package org.apache.tapestry5.ioc; 016 017import org.slf4j.Logger; 018 019/** 020 * Contains resources that may be provided to a service when it initializes, which includes other services defined in 021 * the registry. ServiceResources provides access to other services (it extends 022 * {@link org.apache.tapestry5.ioc.ObjectLocator}). 023 */ 024public interface ServiceResources extends ObjectLocator, AnnotationAccess 025{ 026 /** 027 * Returns the fully qualified id of the service. 028 */ 029 String getServiceId(); 030 031 /** 032 * Returns the service interface implemented by the service. 033 */ 034 Class getServiceInterface(); 035 036 /** 037 * Returns a Logger appropriate for logging messages. This includes debug level messages about the creation and 038 * configuration of the underlying service, as well as debug, warning, or error level messages from the service 039 * itself. Often service interceptors will make use of the service's logger. 040 */ 041 Logger getLogger(); 042 043 /** 044 * Returns an object that can be used to track operations related to constructing, configuring, decorating and 045 * initializing the service. 046 */ 047 OperationTracker getTracker(); 048 049 /** 050 * Returns null (as of 5.3). 051 * 052 * @since 5.2.0 053 * @deprecated Deprecated in 5.3 with no replacement. May be removed in 5.4. 054 */ 055 Class getImplementationClass(); 056}