    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
    015    package org.apache.tapestry5.ioc;
    016
    017    import 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     */
    024    public 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    }