1 package org.apache.maven.model.inheritance;
2
3 /*
4 * Licensed to the Apache Software Foundation (ASF) under one
5 * or more contributor license agreements. See the NOTICE file
6 * distributed with this work for additional information
7 * regarding copyright ownership. The ASF licenses this file
8 * to you under the Apache License, Version 2.0 (the
9 * "License"); you may not use this file except in compliance
10 * with the License. You may obtain a copy of the License at
11 *
12 * http://www.apache.org/licenses/LICENSE-2.0
13 *
14 * Unless required by applicable law or agreed to in writing,
15 * software distributed under the License is distributed on an
16 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17 * KIND, either express or implied. See the License for the
18 * specific language governing permissions and limitations
19 * under the License.
20 */
21
22 import org.apache.maven.model.Model;
23 import org.apache.maven.model.building.ModelBuildingRequest;
24 import org.apache.maven.model.building.ModelProblemCollector;
25
26 /**
27 * Handles inheritance of model values.
28 *
29 * @author Benjamin Bentmann
30 */
31 public interface InheritanceAssembler
32 {
33
34 /**
35 * Merges values from the specified parent model into the given child model. Implementations are expected to keep
36 * parent and child completely decoupled by injecting deep copies of objects into the child rather than the original
37 * objects from the parent.
38 *
39 * @param child The child model into which to merge the values inherited from the parent, must not be
40 * <code>null</code>.
41 * @param parent The (read-only) parent model from which to inherit the values, may be <code>null</code>.
42 * @param request The model building request that holds further settings, must not be {@code null}.
43 * @param problems The container used to collect problems that were encountered, must not be {@code null}.
44 */
45 void assembleModelInheritance( Model child, Model parent, ModelBuildingRequest request,
46 ModelProblemCollector problems );
47
48 }