| /* |
| * 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 org.apache.samza.util |
| |
| import org.slf4j.{LoggerFactory, MDC} |
| |
| trait Logging { |
| val loggerName = this.getClass.getName |
| lazy val logger = LoggerFactory.getLogger(loggerName) |
| |
| val startupLoggerName = "STARTUP_LOGGER" |
| lazy val startupLogger = LoggerFactory.getLogger(startupLoggerName) |
| |
| def startupLog(message: => Any): Unit = { |
| logger.info(message.toString) |
| startupLogger.info(message.toString) |
| } |
| |
| |
| def trace(message: => Any): Unit = { |
| if (logger.isTraceEnabled()) { |
| logger.trace(message.toString) |
| } |
| } |
| |
| def trace(message: => Any, e: => Throwable) = { |
| if (logger.isTraceEnabled()) { |
| logger.trace(message, e) |
| } |
| } |
| |
| def debug(message: => Any): Unit = { |
| if (logger.isDebugEnabled()) { |
| logger.debug(message.toString) |
| } |
| } |
| |
| def debug(message: => Any, e: => Throwable) = { |
| if (logger.isDebugEnabled()) { |
| logger.debug(message, e) |
| } |
| } |
| |
| def info(message: => Any): Unit = { |
| if (logger.isInfoEnabled()) { |
| logger.info(message.toString) |
| } |
| } |
| |
| def info(message: => Any, e: => Throwable) = { |
| if (logger.isInfoEnabled()) { |
| logger.info(message, e) |
| } |
| } |
| |
| def warn(message: => Any): Unit = { |
| logger.warn(message.toString) |
| } |
| |
| def warn(message: => Any, e: => Throwable) = { |
| logger.warn(message, e) |
| } |
| |
| def error(message: => Any): Unit = { |
| logger.error(message.toString) |
| } |
| |
| def error(message: => Any, e: => Throwable) = { |
| logger.error(message, e) |
| } |
| |
| /** |
| * Put a diagnostic context value (the value parameter) |
| * and its key into the current thread's diagnostic |
| * context map. |
| * |
| * @param key non-null key |
| * @param value value for the key |
| * |
| * @throws IllegalArgumentException if key is null |
| */ |
| def putMDC(key: => String, value: => String) = { |
| MDC.put(key, value) |
| } |
| |
| /** |
| * Get the diagnostic context based on the key. |
| * |
| * @param key non-null key |
| * |
| * @throws IllegalArgumentException if key is null |
| */ |
| def getMDC(key: => String) = { |
| MDC.get(key) |
| } |
| |
| /** |
| * Remove the diagnostic context identified by the key. |
| * This method does not do anything if there is no previous |
| * value for this key |
| * |
| * @param key non-null key |
| * |
| * @throws IllegalArgumentException if key is null |
| */ |
| def removeMDC(key: => String) = { |
| MDC.remove(key) |
| } |
| |
| /** |
| * Clear all the entries in MDC |
| */ |
| def clearMDC = { |
| MDC.clear |
| } |
| |
| /** |
| * Converts any type into a String. If the message object is null, |
| * returns a "<null>" String. Otherwise, calls "toString" of the |
| * object. |
| */ |
| private implicit def _anytype2String(message: Any): String = |
| message match { |
| case null => "<null>" |
| case _ => message.toString |
| } |
| } |