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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  
18  package org.apache.logging.log4j.core.appender.rolling;
19  
20  import org.apache.logging.log4j.core.Core;
21  import org.apache.logging.log4j.core.LogEvent;
22  import org.apache.logging.log4j.core.config.plugins.Plugin;
23  import org.apache.logging.log4j.core.config.plugins.PluginFactory;
24  
25  /*
26   * Never triggers and is handy for edge-cases in tests for example.
27   *
28   * @since 2.11.1
29   */
30  @Plugin(name = "NoOpTriggeringPolicy", category = Core.CATEGORY_NAME, printObject = true)
31  public class NoOpTriggeringPolicy extends AbstractTriggeringPolicy {
32  
33  	public static final NoOpTriggeringPolicy INSTANCE = new NoOpTriggeringPolicy();
34  
35  	@PluginFactory
36  	public static NoOpTriggeringPolicy createPolicy() {
37  		return INSTANCE;
38  	}
39  
40  	@Override
41  	public void initialize(final RollingFileManager manager) {
42  		// NoOp
43  	}
44  
45  	@Override
46  	public boolean isTriggeringEvent(final LogEvent logEvent) {
47  		// Never triggers.
48  		return false;
49  	}
50  
51  }