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    
015    package org.apache.tapestry5.ioc.internal;
016    
017    import org.apache.tapestry5.ioc.ObjectCreator;
018    import 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     */
025    public 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    }