001    package org.apache.maven.execution;
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 Maven fires during a build. <strong>Warning:</strong> This interface might be extended in future
024     * Maven versions to support further events. Hence it is strongly recommended to derive custom listeners from
025     * {@link AbstractExecutionListener} in order to avoid interoperability problems.
026     * 
027     * @author Benjamin Bentmann
028     */
029    public interface ExecutionListener
030    {
031    
032        void projectDiscoveryStarted( ExecutionEvent event );
033    
034        void sessionStarted( ExecutionEvent event );
035    
036        void sessionEnded( ExecutionEvent event );
037    
038        void projectSkipped( ExecutionEvent event );
039    
040        void projectStarted( ExecutionEvent event );
041    
042        void projectSucceeded( ExecutionEvent event );
043    
044        void projectFailed( ExecutionEvent event );
045    
046        void mojoSkipped( ExecutionEvent event );
047    
048        void mojoStarted( ExecutionEvent event );
049    
050        void mojoSucceeded( ExecutionEvent event );
051    
052        void mojoFailed( ExecutionEvent event );
053    
054        void forkStarted( ExecutionEvent event );
055    
056        void forkSucceeded( ExecutionEvent event );
057    
058        void forkFailed( ExecutionEvent event );
059    
060        void forkedProjectStarted( ExecutionEvent event );
061    
062        void forkedProjectSucceeded( ExecutionEvent event );
063    
064        void forkedProjectFailed( ExecutionEvent event );
065    
066    }