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| <?php | |
| /** | |
| * Licensed to the Apache Software Foundation (ASF) under one or more | |
| * contributor license agreements. See the NOTICE file distributed with | |
| * this work for additional information regarding copyright ownership. | |
| * The ASF licenses this file to You under the Apache License, Version 2.0 | |
| * (the "License"); you may not use this file except in compliance with | |
| * the License. You may obtain a copy of the License at | |
| * | |
| * http://www.apache.org/licenses/LICENSE-2.0 | |
| * | |
| * Unless required by applicable law or agreed to in writing, software | |
| * distributed under the License is distributed on an "AS IS" BASIS, | |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
| * See the License for the specific language governing permissions and | |
| * limitations under the License. | |
| * | |
| * @package log4php | |
| */ | |
| /** | |
| * The LoggerMDC class provides _mapped diagnostic contexts_. | |
| * | |
| * A Mapped Diagnostic Context, or MDC in short, is an instrument for | |
| * distinguishing interleaved log output from different sources. Log output | |
| * is typically interleaved when a server handles multiple clients | |
| * near-simultaneously. | |
| * | |
| * This class is similar to the {@link LoggerNDC} class except that | |
| * it is based on a map instead of a stack. | |
| * | |
| * @version $Revision: 1343630 $ | |
| * @since 0.3 | |
| * @package log4php | |
| */ | |
| class LoggerMDC { | |
| /** Holds the context map. */ | |
| private static $map = array(); | |
| /** | |
| * Stores a context value as identified with the key parameter into the | |
| * context map. | |
| * | |
| * @param string $key the key | |
| * @param string $value the value | |
| */ | |
| public static function put($key, $value) { | |
| self::$map[$key] = $value; | |
| } | |
| /** | |
| * Returns the context value identified by the key parameter. | |
| * | |
| * @param string $key The key. | |
| * @return string The context or an empty string if no context found | |
| * for given key. | |
| */ | |
| public static function get($key) { | |
| return isset(self::$map[$key]) ? self::$map[$key] : ''; | |
| } | |
| /** | |
| * Returns the contex map as an array. | |
| * @return array The MDC context map. | |
| */ | |
| public static function getMap() { | |
| return self::$map; | |
| } | |
| /** | |
| * Removes the the context identified by the key parameter. | |
| * | |
| * Only affects user mappings, not $_ENV or $_SERVER. | |
| * | |
| * @param string $key The key to be removed. | |
| */ | |
| public static function remove($key) { | |
| unset(self::$map[$key]); | |
| } | |
| /** | |
| * Clears the mapped diagnostic context. | |
| */ | |
| public static function clear() { | |
| self::$map = array(); | |
| } | |
| } |