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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  package org.apache.logging.log4j.core.jmx;
18  
19  /**
20   * The MBean interface for monitoring and managing the {@code ContextSelector}.
21   */
22  public interface ContextSelectorAdminMBean {
23      /**
24       * ObjectName pattern ({@value}) for ContextSelectorAdmin MBeans.
25       * This pattern contains a variable, which is the name of the logger context.
26       * <p>
27       * You can find all registered ContextSelectorAdmin MBeans like this:
28       * </p>
29       * <pre>
30       * MBeanServer mbs = ManagementFactory.getPlatformMBeanServer();
31       * String pattern = String.format(ContextSelectorAdminMBean.PATTERN, &quot;*&quot;);
32       * Set&lt;ObjectName&gt; contextSelectorNames = mbs.queryNames(new ObjectName(pattern), null);
33       * </pre>
34       * <p>
35       * Some characters are not allowed in ObjectNames. The logger context name
36       * may be quoted. When ContextSelectorAdmin MBeans are
37       * registered, their ObjectNames are created using this pattern as follows:
38       * </p>
39       * <pre>
40       * String ctxName = Server.escape(loggerContext.getName());
41       * String name = String.format(PATTERN, ctxName);
42       * ObjectName objectName = new ObjectName(name);
43       * </pre>
44       * @see Server#escape(String)
45       */
46      String PATTERN = Server.DOMAIN + ":type=%s,component=ContextSelector";
47  
48      /**
49       * Returns the name of the class implementing the {@code ContextSelector}
50       * interface.
51       *
52       * @return the name of the {@code ContextSelector} implementation class.
53       */
54      String getImplementationClassName();
55  }