📄 eventspace.h
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//////////////////////////////////////////////////////////////////////////// Copyright (c) 2000, Yusuke Miyao/// You may distribute under the terms of the Artistic License.////// <id>$Id: EventSpace.h,v 1.3 2003/05/11 18:12:09 yusuke Exp $</id>/// <collection>Maximum Entropy Estimator</collection>/// <name>EventSpace.h</name>/// <overview>A set of events in ME Model</overview>/////////////////////////////////////////////////////////////////////////#ifndef Amis_EventSpace_h_#define Amis_EventSpace_h_#include <amis/configure.h>#include <amis/EventSpaceBase.h>#include <amis/VectorOnFile.h>#include <vector>AMIS_NAMESPACE_BEGINtemplate< class Event, bool Onfile>class EventStorage{public: EventStorage() { AMIS_ABORT( "EventStorage not implemented." ); } void push_back( const Event& e ) { AMIS_ABORT( "EventStorage::push_back not implemented." ); } };template< class Event >class EventStorage<Event, false> : public std::vector<Event>{public: EventStorage( void* any ) { } };template< class Event >class EventStorage<Event, true> : public VectorOnFile<Event>{ EventStorage( void* any ) : VectorOnFile<Event>( (objstream*)any ) { } /// dangerous cast};///////////////////////////////////////////////////////////////////////// <classdef>/// <name>EventSpace</name>/// <overview>A base class for implementation of a set of events</overview>/// <desc>A set of all possible events in the task</desc>/// <body>template < class Feature, class Event >class EventSpace : public EventSpaceBase {public: typedef Feature FeatureType; typedef Event EventType; typedef typename Feature::FeatureFreq FeatureFreq;private: FeatureFreq max_feature_count;public: EventSpace( void ) { max_feature_count = Feature::MIN_FEATURE_FREQ; } virtual ~EventSpace() {}protected: virtual void push( Event& event ) = 0; /// Add a new event to an event listpublic: virtual const Event& operator[]( int i ) const = 0; /// Get the i-th eventprotected: void updateMaxFeatureCount( FeatureFreq m ) { if ( m > max_feature_count ) max_feature_count = m; } /// Update a maximum value of feature counts if neededpublic: FeatureFreq maxFeatureCount( void ) const { return max_feature_count; } /// Get a maximum value of feature countspublic: virtual void addEvent( Event& e ) { if ( ! e.isValid() ) throw IllegalEventError( "Invalid event found" ); incNumEvents(); incNumFeatureLists( e.numFeatureList() ); incSumEventCount( e.eventFrequency() ); updateMaxFeatureCount( e.maxFeatureCount() ); push( e ); } /// Add a new event to the event space};AMIS_NAMESPACE_END/// </body>/// </classdef>#endif // EventSpace_h_// end of EventSpace.h⌨️ 快捷键说明
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