text: /*    Copyright 2014 MongoDB Inc.
   *
   *    This program is free software: you can redistribute it and/or  modify
   *    it under the terms of the GNU Affero General Public License, version 3,
   *    as published by the Free Software Foundation.
   *
   *    This program is distributed in the hope that it will be useful,
   *    but WITHOUT ANY WARRANTY; without even the implied warranty of
   *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   *    GNU Affero General Public License for more details.
   *
   *    You should have received a copy of the GNU Affero General Public License
   *    along with this program.  If not, see <http://www.gnu.org/licenses/>.
   *
   *    As a special exception, the copyright holders give permission to link the
   *    code of portions of this program with the OpenSSL library under certain
   *    conditions as described in each individual source file and distribute
   *    linked combinations including the program with the OpenSSL library. You
   *    must comply with the GNU Affero General Public License in all respects
   *    for all of the code used other than as permitted herein. If you modify
   *    file(s) with this exception, you may extend this exception to your
   *    version of the file(s), but you are not obligated to do so. If you do not
   *    wish to do so, delete this exception statement from your version. If you
   *    delete this exception statement from all source files in the program,
   *    then also delete it in the license file.
   */
  
  #pragma once
  
  #include "mongol/logger/log_component_settings.h"
  #include "mongol/logger/message_log_domain.h"
  
  namespace mongol {
  namespace logger {
  
  /**
   * Logging domain for ephemeral messages with minimum severity.
   */
  class ComponentMessageLogDomain : public MessageLogDomain {
      MONGO_DISALLOW_COPYING(ComponentMessageLogDomain);
  
  public:
      ComponentMessageLogDomain();
  
      ~ComponentMessageLogDomain();
  
      /**
       * Predicate that answers the question, "Should I, the caller, append to you, the log
       * domain, messages of the given severity?"  True means yes.
       */
      bool shouldLog(LogComponent component, LogSeverity severity) const;
      bool shouldLog(LogComponent component1, LogComponent component2, LogSeverity severity) const;
      bool shouldLog(LogComponent component1,
                     LogComponent component2,
                     LogComponent component3,
                     LogSeverity severity) const;
  
      /**
       * Returns true if a minimum log severity has been set for this component.
       * Called by log level commands to query component severity configuration.
       */
      bool hasMinimumLogSeverity(LogComponent component) const;
  
      /**
       * Gets the minimum severity of messages that should be sent to this LogDomain.
       */
      LogSeverity getMinimumLogSeverity() const;
      LogSeverity getMinimumLogSeverity(LogComponent component) const;
  
      /**
       * Sets the minimum severity of messages that should be sent to this LogDomain.
       */
      void setMinimumLoggedSeverity(LogSeverity severity);
      void setMinimumLoggedSeverity(LogComponent, LogSeverity severity);
  
      /**
       * Clears the minimum log severity for component.
       * For kDefault, severity level is initialized to default value.
       */
      void clearMinimumLoggedSeverity(LogComponent component);
  
  private:
      LogComponentSettings _settings;
  };
  
  }  // namespace logger
  }  // namespace mongol
  