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.async; 18 19 import org.apache.logging.log4j.Level; 20 21 /** 22 * Policy for deciding whether to discard the event, enqueue it or log the event on the current thread when the queue 23 * is full. 24 * 25 * @see AsyncQueueFullPolicyFactory 26 * @since 2.6 27 */ 28 public interface AsyncQueueFullPolicy { 29 30 /** 31 * Returns the appropriate route for the current log event, given the specified parameters. 32 * 33 * @param backgroundThreadId the thread ID of the background thread. Can be compared with the current thread's ID. 34 * @param level the level of the log event 35 * @return the appropriate route for the current event 36 */ 37 EventRoute getRoute(final long backgroundThreadId, final Level level); 38 }