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.async; 018 019import org.apache.logging.log4j.Level; 020 021/** 022 * Policy for deciding whether to discard the event, enqueue it or log the event on the current thread when the queue 023 * is full. 024 * 025 * @see AsyncQueueFullPolicyFactory 026 * @since 2.6 027 */ 028public interface AsyncQueueFullPolicy { 029 030 /** 031 * Returns the appropriate route for the current log event, given the specified parameters. 032 * 033 * @param backgroundThreadId the thread ID of the background thread. Can be compared with the current thread's ID. 034 * @param level the level of the log event 035 * @return the appropriate route for the current event 036 */ 037 EventRoute getRoute(final long backgroundThreadId, final Level level); 038}