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; 018 019import java.lang.annotation.ElementType; 020import java.lang.annotation.Retention; 021import java.lang.annotation.RetentionPolicy; 022import java.lang.annotation.Target; 023 024/** 025 * Identifies the relative ordering of a {@link ConfigurationFactory} plugin. 026 * 027 * @see OrderComparator 028 */ 029// TODO: 2.2+ use this annotation for all @Plugin classes 030@Retention(RetentionPolicy.RUNTIME) 031@Target(ElementType.TYPE) 032public @interface Order { 033 /** 034 * The priority of this annotated type. Larger numbers indicate higher priority with a highest priority of 035 * {@link Integer#MAX_VALUE}. 036 */ 037 int value(); 038}