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.appender.routing;
18
19 import org.apache.logging.log4j.core.LogEvent;
20
21 /**
22 * Policy for purging routed appenders
23 */
24 public interface PurgePolicy {
25
26 /**
27 * Activates purging appenders. Note that {@link PurgePolicy} implementations are responsible for invoking
28 * this method themselves.
29 */
30 void purge();
31
32 /**
33 * @param key routed appender key
34 * @param event
35 */
36 void update(String key, LogEvent event);
37
38 /**
39 * Initializes with routing appender
40 *
41 * @param routingAppender
42 */
43 void initialize(RoutingAppender routingAppender);
44
45 }