2 * Copyright © 2016-2018 European Support Limited
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
17 package org.openecomp.sdc.logging.spi;
19 import org.openecomp.sdc.logging.api.ContextData;
21 import java.util.concurrent.Callable;
24 * Should be used to implement a framework-specific mechanism of managing a per-thread diagnostic context (for instance
25 * <a href="http://www.slf4j.org/manual.html#mdc">MDC</a>), and propagating it to child threads if needed. Context
26 * propagation should be used when creating a child thread directly, or submitting tasks for potentially postponed
27 * execution via an <a href="http://docs.oracle.com/javase/8/docs/api/java/util/concurrent/Executor.html">Executor</a>
28 * (including any of the <a href="http://docs.oracle.com/javase/8/docs/api/java/util/concurrent/ExecutorService.html">
29 * executor services</a> and <a href="http://docs.oracle.com/javase/8/docs/api/java/util/concurrent/ForkJoinPool.html">
36 public interface LoggingContextService {
39 * Put logging data on the context.
41 void put(ContextData contextData);
44 * Return logging context's data.
49 * Clear logging thread context.
54 * Copies logging context of current thread onto a {@link Runnable}, so that the context is available when this
55 * {@link Runnable} runs in another thread.
57 Runnable copyToRunnable(Runnable runnable);
60 * Copies logging context of current thread onto a {@link Callable}, so that the context is available when this
61 * {@link Callable} runs in another thread
63 <V> Callable<V> copyToCallable(Callable<V> callable);