/usr/include/log4cplus/spi/loggerimpl.h is in liblog4cplus-dev 1.1.2-3.2.
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// Module: Log4CPLUS
// File: loggerimpl.h
// Created: 6/2001
// Author: Tad E. Smith
//
//
// Copyright 2001-2013 Tad E. Smith
//
// Licensed 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.
/** @file */
#ifndef LOG4CPLUS_SPI_LOGGER_HEADER_
#define LOG4CPLUS_SPI_LOGGER_HEADER_
#include <log4cplus/config.hxx>
#if defined (LOG4CPLUS_HAVE_PRAGMA_ONCE)
#pragma once
#endif
#include <log4cplus/tstring.h>
#include <log4cplus/helpers/appenderattachableimpl.h>
#include <log4cplus/helpers/pointer.h>
#include <log4cplus/spi/loggerfactory.h>
#include <memory>
#include <vector>
namespace log4cplus {
class DefaultLoggerFactory;
namespace spi {
/**
* This is the central class in the log4cplus package. One of the
* distintive features of log4cplus are hierarchical loggers and their
* evaluation.
*
* See the <a href="../../../../manual.html">user manual</a> for an
* introduction on this class.
*/
class LOG4CPLUS_EXPORT LoggerImpl
: public virtual log4cplus::helpers::SharedObject,
public log4cplus::helpers::AppenderAttachableImpl
{
public:
typedef helpers::SharedObjectPtr<LoggerImpl> SharedLoggerImplPtr;
// Methods
/**
* Call the appenders in the hierrachy starting at
* <code>this</code>. If no appenders could be found, emit a
* warning.
*
* This method calls all the appenders inherited from the
* hierarchy circumventing any evaluation of whether to log or not
* to log the particular log request.
*
* @param event The event to log.
*/
virtual void callAppenders(const InternalLoggingEvent& event);
/**
* Close all attached appenders implementing the AppenderAttachable
* interface.
*/
virtual void closeNestedAppenders();
/**
* Check whether this logger is enabled for a given LogLevel passed
* as parameter.
*
* @return boolean True if this logger is enabled for <code>ll</code>.
*/
virtual bool isEnabledFor(LogLevel ll) const;
/**
* This generic form is intended to be used by wrappers.
*/
virtual void log(LogLevel ll, const log4cplus::tstring& message,
const char* file=NULL, int line=-1);
virtual void log(spi::InternalLoggingEvent const &);
/**
* Starting from this logger, search the logger hierarchy for a
* "set" LogLevel and return it. Otherwise, return the LogLevel of the
* root logger.
*
* The Logger class is designed so that this method executes as
* quickly as possible.
*/
virtual LogLevel getChainedLogLevel() const;
/**
* Returns the assigned LogLevel, if any, for this Logger.
*
* @return LogLevel - the assigned LogLevel.
*/
LogLevel getLogLevel() const { return this->ll; }
/**
* Set the LogLevel of this Logger.
*/
void setLogLevel(LogLevel _ll) { this->ll = _ll; }
/**
* Return the the {@link Hierarchy} where this <code>Logger</code>
* instance is attached.
*/
virtual Hierarchy& getHierarchy() const;
/**
* Return the logger name.
*/
log4cplus::tstring const & getName() const { return name; }
/**
* Get the additivity flag for this Logger instance.
*/
bool getAdditivity() const;
/**
* Set the additivity flag for this Logger instance.
*/
void setAdditivity(bool additive);
virtual ~LoggerImpl();
protected:
// Ctors
/**
* This constructor created a new <code>Logger</code> instance and
* sets its name.
*
* It is intended to be used by sub-classes only. You should not
* create loggers directly.
*
* @param name The name of the logger.
* @param h Hierarchy
*/
LoggerImpl(const log4cplus::tstring& name, Hierarchy& h);
// Methods
/**
* This method creates a new logging event and logs the event
* without further checks.
*/
virtual void forcedLog(LogLevel ll,
const log4cplus::tstring& message,
const char* file=NULL,
int line=-1);
virtual void forcedLog(spi::InternalLoggingEvent const & ev);
// Data
/** The name of this logger */
log4cplus::tstring name;
/**
* The assigned LogLevel of this logger.
*/
LogLevel ll;
/**
* The parent of this logger. All loggers have at least one
* ancestor which is the root logger.
*/
SharedLoggerImplPtr parent;
/**
* Additivity is set to true by default, that is children inherit
* the appenders of their ancestors by default. If this variable is
* set to <code>false</code> then the appenders found in the
* ancestors of this logger are not used. However, the children
* of this logger will inherit its appenders, unless the children
* have their additivity flag set to <code>false</code> too. See
* the user manual for more details.
*/
bool additive;
private:
// Data
/** Loggers need to know what Hierarchy they are in. */
Hierarchy& hierarchy;
// Disallow copying of instances of this class
LoggerImpl(const LoggerImpl&);
LoggerImpl& operator=(const LoggerImpl&);
// Friends
friend class log4cplus::Logger;
friend class log4cplus::DefaultLoggerFactory;
friend class log4cplus::Hierarchy;
};
typedef LoggerImpl::SharedLoggerImplPtr SharedLoggerImplPtr;
} // end namespace spi
} // end namespace log4cplus
#endif // LOG4CPLUS_SPI_LOGGER_HEADER_
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