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}