1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one or more
3 * contributor license agreements. See the NOTICE file distributed with
4 * this work for additional information regarding copyright ownership.
5 * The ASF licenses this file to You under the Apache license, Version 2.0
6 * (the "License"); you may not use this file except in compliance with
7 * the License. You may obtain a copy of the License at
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the license for the specific language governing permissions and
15 * limitations under the license.
16 */
17 package org.apache.logging.log4j.core.config.composite;
18
19 import org.apache.logging.log4j.core.config.AbstractConfiguration;
20 import org.apache.logging.log4j.core.config.Node;
21 import org.apache.logging.log4j.core.config.plugins.util.PluginManager;
22
23 /**
24 * Merges two configurations together
25 */
26 public interface MergeStrategy {
27
28 /**
29 * Merge the root node properties into the configuration.
30 * @param rootNode The composite root node.
31 * @param configuration The configuration to merge.
32 */
33 void mergeRootProperties(Node rootNode, AbstractConfiguration configuration);
34
35 /**
36 * Merge the soure node tree into the target node tree.
37 * @param target The target Node tree.
38 * @param source The source Node tree.
39 */
40 void mergConfigurations(Node target, Node source, PluginManager pluginManager);
41 }