001/* 002 * Licensed to the Apache Software Foundation (ASF) under one or more 003 * contributor license agreements. See the NOTICE file distributed with 004 * this work for additional information regarding copyright ownership. 005 * The ASF licenses this file to You under the Apache license, Version 2.0 006 * (the "License"); you may not use this file except in compliance with 007 * the License. You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the license for the specific language governing permissions and 015 * limitations under the license. 016 */ 017package org.apache.logging.log4j.core.config.composite; 018 019import org.apache.logging.log4j.core.config.AbstractConfiguration; 020import org.apache.logging.log4j.core.config.Node; 021import org.apache.logging.log4j.core.config.plugins.util.PluginManager; 022 023/** 024 * Merges two configurations together 025 */ 026public interface MergeStrategy { 027 028 /** 029 * Merge the root node properties into the configuration. 030 * @param rootNode The composite root node. 031 * @param configuration The configuration to merge. 032 */ 033 void mergeRootProperties(Node rootNode, AbstractConfiguration configuration); 034 035 /** 036 * Merge the soure node tree into the target node tree. 037 * @param target The target Node tree. 038 * @param source The source Node tree. 039 */ 040 void mergConfigurations(Node target, Node source, PluginManager pluginManager); 041}