    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
    015package org.apache.tapestry5.ioc.services;
    016
    017import 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 */
    022public 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}