001    package org.apache.maven.model.building;
002    
003    /*
004     * Licensed to the Apache Software Foundation (ASF) under one
005     * or more contributor license agreements.  See the NOTICE file
006     * distributed with this work for additional information
007     * regarding copyright ownership.  The ASF licenses this file
008     * to you under the Apache License, Version 2.0 (the
009     * "License"); you may not use this file except in compliance
010     * with the License.  You may obtain a copy of the License at
011     *
012     *   http://www.apache.org/licenses/LICENSE-2.0
013     *
014     * Unless required by applicable law or agreed to in writing,
015     * software distributed under the License is distributed on an
016     * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
017     * KIND, either express or implied.  See the License for the
018     * specific language governing permissions and limitations
019     * under the License.
020     */
021    
022    /**
023     * Defines events that the model builder fires during construction of the effective model. When a listener encounteres
024     * errors while processing the event, it can report these problems via {@link ModelBuildingEvent#getProblems()}.
025     * <em>Note:</em> To cope with future extensions to this interface, it is strongly recommended to extend
026     * {@link AbstractModelBuildingListener} rather than to directly implement this interface.
027     * 
028     * @author Benjamin Bentmann
029     */
030    public interface ModelBuildingListener
031    {
032    
033        /**
034         * Notifies the listener that the model has been constructed to the extent where build extensions can be processed.
035         * 
036         * @param event The details about the event.
037         */
038        void buildExtensionsAssembled( ModelBuildingEvent event );
039    
040    }