repositoryselector.h

功能非常强的写日志程序

/*
 * Copyright 2003,2004 The Apache Software Foundation.
 * 
 * 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.
 */
 
#ifndef _LOG4CXX_SPI_REPOSITORY_SELECTOR_H
#define _LOG4CXX_SPI_REPOSITORY_SELECTOR_H

#include <log4cxx/helpers/objectptr.h>
#include <log4cxx/helpers/object.h>

namespace log4cxx
{
	namespace spi
	{
		class LoggerRepository;
		typedef helpers::ObjectPtrT<LoggerRepository> LoggerRepositoryPtr;
		
		class RepositorySelector;
		typedef helpers::ObjectPtrT<RepositorySelector> RepositorySelectorPtr;

       /**
       The <code>LogManager</code> uses one (and only one)
       <code>RepositorySelector</code> implementation to select the
       {@link LoggerRepository LoggerRepository}
	   for a particular application context.

       <p>It is the responsability of the <code>RepositorySelector</code>
       implementation to track the application context. log4cxx makes no
       assumptions about the application context or on its management.

       <p>See also LogManager.
       */
		class LOG4CXX_EXPORT RepositorySelector : public virtual helpers::Object
		{
		public:
			DECLARE_ABSTRACT_LOG4CXX_OBJECT(RepositorySelector)
			virtual ~RepositorySelector() {}
			virtual LoggerRepositoryPtr& getLoggerRepository() = 0;
		};
	}  //namespace spi
}; //namespace log4cxx

#endif //_LOG4CXX_SPI_REPOSITORY_SELECTOR_H