library/log4php/LoggerRoot.php
author Markus Bröker <broeker.markus@googlemail.com>
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<?php
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/**
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 * Licensed to the Apache Software Foundation (ASF) under one or more
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 * contributor license agreements. See the NOTICE file distributed with
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 * this work for additional information regarding copyright ownership.
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 * The ASF licenses this file to You under the Apache License, Version 2.0
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 * (the "License"); you may not use this file except in compliance with
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 * the License. You may obtain a copy of the License at
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 *
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 *       http://www.apache.org/licenses/LICENSE-2.0
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 *
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 * Unless required by applicable law or agreed to in writing, software
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 * distributed under the License is distributed on an "AS IS" BASIS,
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 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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 * See the License for the specific language governing permissions and
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 * limitations under the License.
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 *
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 * @package log4php
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 */
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/**
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 * The root logger.
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 *
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 * @version $Revision: 1343190 $
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 * @package log4php
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 * @see Logger
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 */
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class LoggerRoot extends Logger {
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    /**
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     * Constructor
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     *
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     * @param integer $level initial log level
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     */
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    public function __construct(LoggerLevel $level = null) {
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        parent::__construct('root');
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        if ($level == null) {
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            $level = LoggerLevel::getLevelAll();
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        }
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        $this->setLevel($level);
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    }
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    /**
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     * @return LoggerLevel the level
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     */
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    public function getEffectiveLevel() {
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        return $this->getLevel();
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    }
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    /**
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     * Override level setter to prevent setting the root logger's level to
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     * null. Root logger must always have a level.
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     *
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     * @param LoggerLevel $level
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     */
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    public function setLevel(LoggerLevel $level = null) {
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        if (isset($level)) {
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            parent::setLevel($level);
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        } else {
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            trigger_error("log4php: Cannot set LoggerRoot level to null.", E_USER_WARNING);
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        }
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    }
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    /**
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     * Override parent setter. Root logger cannot have a parent.
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     * @param Logger $parent
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     */
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    public function setParent(Logger $parent) {
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        trigger_error("log4php: LoggerRoot cannot have a parent.", E_USER_WARNING);
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    }
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}