    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.internal;
    016
    017/**
    018 * Used in concert with {@link org.apache.tapestry5.ioc.internal.SerializationSupport} to convert service tokens back
    019 * into service proxies.
    020 */
    021public interface ServiceProxyProvider
    022{
    023    /**
    024     * Look up the service and return its proxy.
    025     *
    026     * @param serviceId the id of the service to obtain
    027     * @return the service proxy
    028     * @throws RuntimeException if the service does not exist or does not have a proxy
    029     */
    030    Object provideServiceProxy(String serviceId);
    031}