1 /* 2 * Licensed to the Apache Software Foundation (ASF) under one 3 * or more contributor license agreements. See the NOTICE file 4 * distributed with this work for additional information 5 * regarding copyright ownership. The ASF licenses this file 6 * to you under the Apache License, Version 2.0 (the 7 * "License"); you may not use this file except in compliance 8 * with the License. You may obtain a copy of the License at 9 * 10 * http://www.apache.org/licenses/LICENSE-2.0 11 * 12 * Unless required by applicable law or agreed to in writing, 13 * software distributed under the License is distributed on an 14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 15 * KIND, either express or implied. See the License for the 16 * specific language governing permissions and limitations 17 * under the License. 18 */ 19 package org.apache.maven.model.building; 20 21 /** 22 * Assists in firing events from a generic method by abstracting from the actual callback method to be called on the 23 * listener. 24 * 25 */ 26 interface ModelBuildingEventCatapult { 27 28 /** 29 * Notifies the specified listener of the given event. 30 * 31 * @param listener The listener to notify, must not be {@code null}. 32 * @param event The event to fire, must not be {@code null}. 33 */ 34 void fire(ModelBuildingListener listener, ModelBuildingEvent event); 35 36 ModelBuildingEventCatapult BUILD_EXTENSIONS_ASSEMBLED = ModelBuildingListener::buildExtensionsAssembled; 37 }