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
017import org.apache.tapestry5.ioc.ObjectCreator;
018import org.apache.tapestry5.ioc.ServiceBuilderResources;
019
020/**
021 * An object which can, when passed a {@link ServiceBuilderResources}, create a corresponding {@link ObjectCreator}. A
022 * secondary responsibility is to provide a description of the creator, which is usually based on the name of the method
023 * or constructor to be invoked, and is ultimately used in some debugging or error output.
024 */
025public interface ObjectCreatorSource
026{
027    /**
028     * Provides an ObjectCreator that can be used to ultimately instantiate the core service implementation.
029     */
030    ObjectCreator constructCreator(ServiceBuilderResources resources);
031
032    /**
033     * Returns a description of the method or constructor that creates the service.
034     */
035    String getDescription();
036}