    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 org.apache.tapestry5.ioc.Registry;
    018
    019    /**
    020     * Used in {@link ServiceActivity} to identify the state of the service in terms of its overall lifecycle.
    021     */
    022    public enum Status
    023    {
    024        /**
    025         * A builtin service that exists before the {@link Registry} is constructed.
    026         */
    027        BUILTIN,
    028
    029        /**
    030         * The service is defined in a module, but has not yet been referenced.
    031         */
    032        DEFINED,
    033
    034        /**
    035         * A proxy has been created for the service, but no methods of the proxy have been invoked.
    036         */
    037        VIRTUAL,
    038
    039        /**
    040         * A service implementation for the service has been created.
    041         */
    042        REAL
    043    }