    001    // Copyright 2009 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    /**
    018     * Extension to {@link org.apache.tapestry5.ioc.ServiceLifecycle} that adds an additional method.
    019     */
    020    public interface ServiceLifecycle2   extends ServiceLifecycle
    021    {
    022        /**
    023         * If true, then lifecycle requires a proxy, meaning it is only useable with services that properly define a service
    024         * interface. The default (singleton) scope does not require a proxy, but most other service scopes do. The default
    025         * (when wrapping a {@link org.apache.tapestry5.ioc.ServiceLifecycle} as a {@link
    026         * org.apache.tapestry5.ioc.ServiceLifecycle2} is to return true.
    027         *
    028         * @return true if proxying is necesssary, false otherwise
    029         */
    030        boolean requiresProxy();
    031    }