eventspacelauncheritem.h

Amis - A maximum entropy estimator 一个最大熵模型统计工具

//////////////////////////////////////////////////////////////////////
///
///  Copyright (c) 2000, Yusuke Miyao
///  You may distribute under the terms of the Artistic License.
///
///  <id>$Id: EventSpaceLauncherItem.h,v 1.2 2003/05/11 18:12:09 yusuke Exp $
///  <collection>Maximum Entropy Estimator</collection>
///  <name>EventSpaceLauncherItem.h</name>
///  <overview>EventSpace to be launched</overview>
///
//////////////////////////////////////////////////////////////////////

#ifndef Amis_EventSpaceLauncherItem_h_

#define Amis_EventSpaceLauncherItem_h_

#include <amis/configure.h>
#include <amis/LauncherItem.h>
#include <amis/EventSpaceBase.h>
#include <amis/EventSpaceLauncher.h>
#include <amis/Utility.h>
#include <amis/Property.h>

AMIS_NAMESPACE_BEGIN

template < class EventSpaceOnMemory, class EventSpaceOnFile >
class EventSpaceLauncherItem : public LauncherItem< EventSpacePtr, Property*, StringPair > {
public:
  EventSpaceLauncherItem( const std::string& name, const std::string& feature_type, const std::string& desc = "" )
    : LauncherItem< EventSpacePtr, Property*, StringPair >( EventSpaceLauncher::queue, StringPair( name, feature_type ), desc ) {}
  virtual ~EventSpaceLauncherItem() {}
  EventSpacePtr launch( Property* property ) {
    if ( property->isEventOnFile() ) {
      objstream* os = property->eventOnFileStream();
      return EventSpacePtr( new EventSpaceOnFile( os ) );
    } else {
      return EventSpacePtr( new EventSpaceOnMemory() );
    }
  }
};

AMIS_NAMESPACE_END

#endif // Amis_EventSpaceLauncherItem_h_
// end of EventSpaceLauncherItem.h