<?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 root logger.

 *

 * @version $Revision: 1343190 $

 * @package log4php

 * @see Logger

 */

class LoggerRoot extends Logger {

    /**

     * Constructor

     *

     * @param integer $level initial log level

     */

    public function __construct(LoggerLevel $level = null) {

        parent::__construct('root');

        if ($level == null) {

            $level = LoggerLevel::getLevelAll();

        }

        $this->setLevel($level);

    }

    /**

     * @return LoggerLevel the level

     */

    public function getEffectiveLevel() {

        return $this->getLevel();

    }

    /**

     * Override level setter to prevent setting the root logger's level to

     * null. Root logger must always have a level.

     *

     * @param LoggerLevel $level

     */

    public function setLevel(LoggerLevel $level = null) {

        if (isset($level)) {

            parent::setLevel($level);

        } else {

            trigger_error("log4php: Cannot set LoggerRoot level to null.", E_USER_WARNING);

        }

    }

    /**

     * Override parent setter. Root logger cannot have a parent.

     * @param Logger $parent

     */

    public function setParent(Logger $parent) {

        trigger_error("log4php: LoggerRoot cannot have a parent.", E_USER_WARNING);

    }

}