001    // Copyright 2007 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.services;
016    
017    import java.util.Set;
018    import org.apache.tapestry5.ioc.def.ServiceDef;
019    
020    /**
021     * Provided by the {@link ServiceActivityScoreboard} to track a single service's state and activity.
022     *
023     * @see ServiceDef
024     */
025    public interface ServiceActivity
026    {
027        /**
028         * The unique id for the service.
029         */
030        String getServiceId();
031    
032        /**
033         * The interface implemented by the service (this may occasionally be a class, for non-proxied services).
034         */
035        Class getServiceInterface();
036    
037        /**
038         * The scope of the service (typically "singleton" or "perthread").
039         */
040        String getScope();
041    
042        /**
043         * Indicates the lifecycle status of the service.
044         */
045        Status getStatus();
046    
047        /**
048         * The markers on this service
049         */
050        Set<Class> getMarkers();
051    }