L1Menu/src/ReducedMenuSample.cpp

#include "l1menu/ReducedMenuSample.h"

#include <vector>
#include <stdexcept>
#include <fstream>
#include "l1menu/IReducedEvent.h"
#include "l1menu/MenuSample.h"
#include "l1menu/TriggerMenu.h"
#include "l1menu/ITrigger.h"
#include "l1menu/tools.h"
#include "protobuf/l1menu.pb.h"

namespace // unnamed namespace
{
        class ReducedEventImplementation : public l1menu::IReducedEvent
        {
        public:
                virtual ~ReducedEventImplementation() {}
                virtual float parameterValue( size_t parameterNumber ) const {  return pThresholdValues->at(parameterNumber); }
                virtual float weight() const { return *pWeight; }
                void setWeight( float newWeight ) { *pWeight=newWeight; }
                std::vector<float>* pThresholdValues;
                float* pWeight;
        };
}

namespace l1menu
{
        /** @brief Private members for the ReducedMenuSample class
         *
         * @author Mark Grimes (mark.grimes@bristol.ac.uk)
         * @date 28/May/2013
         */
        class ReducedMenuSamplePrivateMembers
        {
        public:
                ReducedMenuSamplePrivateMembers( size_t newNumberOfEvents, size_t numberOfParameters, const l1menu::TriggerMenu newTriggerMenu )
                        : thresholdsForAllEvents( newNumberOfEvents, std::vector<float>(numberOfParameters) ),
                          weights( newNumberOfEvents ), numberOfEvents( newNumberOfEvents ), triggerMenu( newTriggerMenu )
                {
                        // Run through every event and default every weight to 1.
                        for( auto& eventWeight : weights )
                        {
                                eventWeight=1;
                        }
                }
                std::vector< std::vector<float> > thresholdsForAllEvents;
                std::vector<float> weights;
                ::ReducedEventImplementation event;
                size_t numberOfEvents;
                const l1menu::TriggerMenu triggerMenu;
        };
}

#include <iostream>
l1menu::ReducedMenuSample::ReducedMenuSample( const l1menu::MenuSample& originalSample, const l1menu::TriggerMenu& triggerMenu )
{
        size_t numberOfEvents=originalSample.numberOfEvents();
        // Need to find out how many parameters there are for each event. Basically the sum
        // of the number of thresholds for all triggers.
        size_t numberOfParameters=0;
        for( size_t triggerNumber=0; triggerNumber<triggerMenu.numberOfTriggers(); ++triggerNumber )
        {
                const l1menu::ITrigger& trigger=triggerMenu.getTrigger(triggerNumber);
                numberOfParameters+=l1menu::getThresholdNames(trigger).size();
        }

        // Now I know how many events there are and how many parameters, I can create the pimple
        // with the correct parameters.
        pImple_.reset( new l1menu::ReducedMenuSamplePrivateMembers( numberOfEvents, numberOfParameters, triggerMenu ) );

        //
        // Now I've set the storage to the correct size, run through each event
        // and fill with the correct values.
        //
        for( size_t eventNumber=0; eventNumber<numberOfEvents; ++eventNumber )
        {
                const l1menu::IEvent& event=originalSample.getEvent( eventNumber );
                std::vector<float>& parameters=pImple_->thresholdsForAllEvents[eventNumber];

                size_t parameterNumber=0;
                // Loop over all of the triggers
                for( size_t triggerNumber=0; triggerNumber<triggerMenu.numberOfTriggers(); ++triggerNumber )
                {
                        std::unique_ptr<l1menu::ITrigger> pTrigger=triggerMenu.getTriggerCopy(triggerNumber);
                        std::vector<std::string> thresholdNames=getThresholdNames(*pTrigger);

                        try
                        {
                                setTriggerThresholdsAsTightAsPossible( event, *pTrigger, 0.001 );
                                // Set all of the parameters to match the thresholds in the trigger
                                for( const auto& thresholdName : thresholdNames )
                                {
                                        parameters[parameterNumber]=pTrigger->parameter(thresholdName);
                                        ++parameterNumber;
                                }
                        }
                        catch( std::exception& error )
                        {
                                // setTriggerThresholdsAsTightAsPossible() couldn't find thresholds so record
                                // -1 for everything.
                                for( size_t index=0; index<thresholdNames.size(); ++index )
                                {
                                        parameters[parameterNumber]=-1;
                                        ++parameterNumber;
                                }
                        } // end of try block that sets the trigger thresholds

                } // end of loop over triggers
        } // end of loop over events
}

l1menu::ReducedMenuSample::~ReducedMenuSample()
{
        // No operation. Just need one defined otherwise the default one messes up
        // the unique_ptr deletion because ReducedMenuSamplePrivateMembers isn't
        // defined elsewhere.
}

l1menu::ReducedMenuSample::ReducedMenuSample( const std::string& filename )
{
        GOOGLE_PROTOBUF_VERIFY_VERSION;

        l1menuprotobuf::Sample inputSample;
        { // new block to limit scope of variables
                std::ifstream inputFile( filename );
                inputSample.ParseFromIstream( &inputFile );
        }

        l1menu::TriggerMenu triggerMenu;

        size_t totalNumberOfThresholds=0;

        for( int triggerNumber=0; triggerNumber<inputSample.trigger_size(); ++triggerNumber )
        {
                const l1menuprotobuf::Trigger& inputTrigger=inputSample.trigger(triggerNumber);

                triggerMenu.addTrigger( inputTrigger.name(), inputTrigger.version() );
                // Get a reference to the trigger I just created
                l1menu::ITrigger& trigger=triggerMenu.getTrigger(triggerNumber);

                // Run through all of the parameters and set them to what they were
                // when the sample was made.
                for( int parameterNumber=0; parameterNumber<inputTrigger.parameter_size(); ++parameterNumber )
                {
                        const auto& inputParameter=inputTrigger.parameter(parameterNumber);
                        trigger.parameter(inputParameter.name())=inputParameter.value();
                }

                // I should probably check the threshold names exist. At the moment I just see how
                // many there are so that I can initialise the buffer that holds the event data.
                totalNumberOfThresholds+=inputTrigger.threshold_size();
        }

        // Now I have the menu set up as much as I need it (thresholds aren't set
        // but I don't care about those). I can initialise the ReducedMenuSamplePrivateMembers
        // pImple_ with the menu and the correct sizes for the data buffer.
        pImple_.reset( new l1menu::ReducedMenuSamplePrivateMembers( inputSample.event_size(), totalNumberOfThresholds, triggerMenu ) );

        // Now run over each event from the input file
        for( int eventNumber=0; eventNumber<inputSample.event_size(); ++eventNumber )
        {
                auto& thresholdsForEvent=pImple_->thresholdsForAllEvents[eventNumber];
                const auto& inputEvent=inputSample.event(eventNumber);

                for( int thresholdNumber=0; thresholdNumber<inputEvent.threshold_size(); ++thresholdNumber )
                {
                        thresholdsForEvent[thresholdNumber]=inputEvent.threshold(thresholdNumber);
                }

                // See if the weight was stored and set it if it has
                if( inputEvent.has_weight() ) pImple_->weights[eventNumber]=inputEvent.weight();
        }
}

void l1menu::ReducedMenuSample::saveToFile( const std::string& filename ) const
{
        GOOGLE_PROTOBUF_VERIFY_VERSION;

        l1menuprotobuf::Sample outputSample;

        for( size_t triggerNumber=0; triggerNumber<pImple_->triggerMenu.numberOfTriggers(); ++triggerNumber )
        {
                const l1menu::ITrigger& trigger=pImple_->triggerMenu.getTrigger(triggerNumber);

                l1menuprotobuf::Trigger* pOutputTrigger=outputSample.add_trigger();
                pOutputTrigger->set_name( trigger.name() );
                pOutputTrigger->set_version( trigger.version() );

                // Record all of the parameters. It's not strictly necessary to record the values
                // of the parameters that are recorded for each event, but I might as well so that
                // the trigger menu is loaded exactly as it was saved.
                const auto parameterNames=trigger.parameterNames();
                for( const auto& parameterName : parameterNames )
                {
                        l1menuprotobuf::Trigger_TriggerParameter* pOutputParameter=pOutputTrigger->add_parameter();
                        pOutputParameter->set_name(parameterName);
                        pOutputParameter->set_value( trigger.parameter(parameterName) );
                }

                // Make a note of the names of the parameters that are recorded for each event.
                const auto thresholdNames=l1menu::getThresholdNames(trigger);
                for( const auto& thresholdName : thresholdNames ) pOutputTrigger->add_threshold(thresholdName);

        } // end of loop over triggers

        //
        // I've done everything for what is effectively the header. I now need
        // to run through each event and record the thresholds for each one.
        //
        for( const auto& thresholdsForEvent : pImple_->thresholdsForAllEvents )
        {
                l1menuprotobuf::Event* pOutputEvent=outputSample.add_event();
                for( const auto& threshold : thresholdsForEvent )
                {
                        pOutputEvent->add_threshold( threshold );
                }
        }

        // I should have the correct number of events in the protobuf version of
        // the sample now. I'll run through and set the event weights as well, but
        // I'll only add it if it's different to 1. I think this saves space in
        // the file.
        for( int eventNumber=0; eventNumber<outputSample.event_size(); ++eventNumber )
        {
                if( pImple_->weights[eventNumber]!=1 )
                {
                        l1menuprotobuf::Event* pOutputEvent=outputSample.mutable_event(eventNumber);
                        pOutputEvent->set_weight( pImple_->weights[eventNumber] );
                }
        }


        //
        // Everything should be set up in the class now, so I can open the
        // output file and write to it.
        //
        std::ofstream outputFile( filename );
        outputSample.SerializeToOstream( &outputFile );
}

size_t l1menu::ReducedMenuSample::numberOfEvents() const
{
        return pImple_->numberOfEvents;
}

const l1menu::IReducedEvent& l1menu::ReducedMenuSample::getEvent( size_t eventNumber ) const
{
        pImple_->event.pThresholdValues=&pImple_->thresholdsForAllEvents[eventNumber];
        pImple_->event.pWeight=&pImple_->weights[eventNumber];
        return pImple_->event;
}

const l1menu::TriggerMenu& l1menu::ReducedMenuSample::getTriggerMenu() const
{
        return pImple_->triggerMenu;
}

bool l1menu::ReducedMenuSample::containsTrigger( const l1menu::ITrigger& trigger, bool allowOlderVersion ) const
{
        // Loop over all of the triggers in the menu, and see if there is one
        // where the name and version match.
        for( size_t triggerNumber=0; triggerNumber<pImple_->triggerMenu.numberOfTriggers(); ++triggerNumber )
        {
                const l1menu::ITrigger& triggerInMenu=pImple_->triggerMenu.getTrigger(triggerNumber);
                if( triggerInMenu.name()!=trigger.name() ) continue;
                if( allowOlderVersion )
                {
                        if( triggerInMenu.version()>trigger.version() ) continue;
                }
                else
                {
                        if( triggerInMenu.version()!=trigger.version() ) continue;
                }

                // If control got this far then there is a trigger with the required name
                // and sufficient version. I now need to check all of the non threshold parameters
                // to make sure they match, i.e. make sure the ReducedSample was made with the same
                // eta cuts or whatever.
                // I don't care if the thresholds don't match because that's what's stored in the
                // ReducedMenuSample.
                std::vector<std::string> parameterNames=getNonThresholdParameterNames( trigger );
                bool allParametersMatch=true;
                for( const auto& parameterName : parameterNames )
                {
                        if( trigger.parameter(parameterName)!=triggerInMenu.parameter(parameterName) ) allParametersMatch=false;
                }

                if( allParametersMatch ) return true;
        } // end of loop over triggers

        // If control got this far then no trigger was found that matched
        return false;
}

const std::map<std::string,size_t> l1menu::ReducedMenuSample::getTriggerParameterIdentifiers( const l1menu::ITrigger& trigger, bool allowOlderVersion ) const
{
        std::map<std::string,size_t> returnValue;

        // Need to find out how many parameters there are for each event. Basically the sum
        // of the number of thresholds for all triggers.
        size_t parameterNumber=0;
        bool triggerWasFound=true;
        for( size_t triggerNumber=0; triggerNumber<pImple_->triggerMenu.numberOfTriggers(); ++triggerNumber )
        {
                const l1menu::ITrigger& triggerInMenu=pImple_->triggerMenu.getTrigger(triggerNumber);

                triggerWasFound=true; // Set to true, then back to false if any of the tests fail
                // See if this trigger in the menu is the same as the one passed as a parameter
                if( triggerInMenu.name()!=trigger.name() ) triggerWasFound=false;
                if( allowOlderVersion )
                {
                        if( triggerInMenu.version()>trigger.version() ) triggerWasFound=false;
                }
                else
                {
                        if( triggerInMenu.version()!=trigger.version() ) triggerWasFound=false;
                }

                // If control got this far then there is a trigger with the required name
                // and sufficient version. I now need to check all of the non threshold parameters
                // to make sure they match, i.e. make sure the ReducedSample was made with the same
                // eta cuts or whatever.
                // I don't care if the thresholds don't match because that's what's stored in the
                // ReducedMenuSample.
                if( triggerWasFound ) // Trigger can still fail, but no point doing this check if it already has
                {
                        std::vector<std::string> parameterNames=getNonThresholdParameterNames( trigger );
                        for( const auto& parameterName : parameterNames )
                        {
                                if( trigger.parameter(parameterName)!=triggerInMenu.parameter(parameterName) ) triggerWasFound=false;
                        }
                }

                std::vector<std::string> thresholdNames=l1menu::getThresholdNames(triggerInMenu);
                if( triggerWasFound )
                {
                        for( const auto& thresholdName : thresholdNames )
                        {
                                returnValue[thresholdName]=parameterNumber;
                                ++parameterNumber;
                        }
                        break;
                }
                else parameterNumber+=thresholdNames.size();
        }

        // There could conceivably be a trigger that was found but has no thresholds
        // (I guess - it would be a pretty pointless trigger though). To indicate the
        // difference between that and a trigger that wasn't found I'll respectively
        // return the empty vector or throw an exception.
        if( !triggerWasFound ) throw std::runtime_error( "l1menu::ReducedMenuSample::getTriggerParameterIdentifiers() called for a trigger that was not used to create the sample" );

        return returnValue;
}
Revision:	1.4
Committed:	Tue Jun 4 08:17:37 2013 UTC (11 years, 11 months ago) by grimes
Branch:	MAIN
Changes since 1.3:	+8 -10 lines
Log Message:	Multiple changes. Implemented all required triggers, removed the ones not needed and changed some names.
#	User	Rev	Content
1	grimes	1.1	#include "l1menu/ReducedMenuSample.h"
2
3			#include <vector>
4	grimes	1.2	#include <stdexcept>
5			#include <fstream>
6	grimes	1.1	#include "l1menu/IReducedEvent.h"
7			#include "l1menu/MenuSample.h"
8			#include "l1menu/TriggerMenu.h"
9	grimes	1.2	#include "l1menu/ITrigger.h"
10	grimes	1.1	#include "l1menu/tools.h"
11	grimes	1.2	#include "protobuf/l1menu.pb.h"
12	grimes	1.1
13			namespace // unnamed namespace
14			{
15			class ReducedEventImplementation : public l1menu::IReducedEvent
16			{
17			public:
18			virtual ~ReducedEventImplementation() {}
19	grimes	1.4	virtual float parameterValue( size_t parameterNumber ) const { return pThresholdValues->at(parameterNumber); }
20	grimes	1.2	virtual float weight() const { return *pWeight; }
21			void setWeight( float newWeight ) { *pWeight=newWeight; }
22	grimes	1.1	std::vector<float>* pThresholdValues;
23	grimes	1.2	float* pWeight;
24	grimes	1.1	};
25			}
26
27			namespace l1menu
28			{
29			/** @brief Private members for the ReducedMenuSample class
30			*
31			* @author Mark Grimes (mark.grimes@bristol.ac.uk)
32			* @date 28/May/2013
33			*/
34			class ReducedMenuSamplePrivateMembers
35			{
36			public:
37	grimes	1.2	ReducedMenuSamplePrivateMembers( size_t newNumberOfEvents, size_t numberOfParameters, const l1menu::TriggerMenu newTriggerMenu )
38			: thresholdsForAllEvents( newNumberOfEvents, std::vector<float>(numberOfParameters) ),
39			weights( newNumberOfEvents ), numberOfEvents( newNumberOfEvents ), triggerMenu( newTriggerMenu )
40	grimes	1.1	{
41	grimes	1.2	// Run through every event and default every weight to 1.
42			for( auto& eventWeight : weights )
43			{
44			eventWeight=1;
45			}
46	grimes	1.1	}
47			std::vector< std::vector<float> > thresholdsForAllEvents;
48	grimes	1.2	std::vector<float> weights;
49	grimes	1.1	::ReducedEventImplementation event;
50			size_t numberOfEvents;
51	grimes	1.2	const l1menu::TriggerMenu triggerMenu;
52	grimes	1.1	};
53			}
54
55	grimes	1.3	#include <iostream>
56	grimes	1.1	l1menu::ReducedMenuSample::ReducedMenuSample( const l1menu::MenuSample& originalSample, const l1menu::TriggerMenu& triggerMenu )
57			{
58			size_t numberOfEvents=originalSample.numberOfEvents();
59			// Need to find out how many parameters there are for each event. Basically the sum
60			// of the number of thresholds for all triggers.
61			size_t numberOfParameters=0;
62			for( size_t triggerNumber=0; triggerNumber<triggerMenu.numberOfTriggers(); ++triggerNumber )
63			{
64			const l1menu::ITrigger& trigger=triggerMenu.getTrigger(triggerNumber);
65			numberOfParameters+=l1menu::getThresholdNames(trigger).size();
66			}
67
68			// Now I know how many events there are and how many parameters, I can create the pimple
69			// with the correct parameters.
70	grimes	1.2	pImple_.reset( new l1menu::ReducedMenuSamplePrivateMembers( numberOfEvents, numberOfParameters, triggerMenu ) );
71
72			//
73			// Now I've set the storage to the correct size, run through each event
74			// and fill with the correct values.
75			//
76			for( size_t eventNumber=0; eventNumber<numberOfEvents; ++eventNumber )
77			{
78			const l1menu::IEvent& event=originalSample.getEvent( eventNumber );
79			std::vector<float>& parameters=pImple_->thresholdsForAllEvents[eventNumber];
80
81			size_t parameterNumber=0;
82			// Loop over all of the triggers
83			for( size_t triggerNumber=0; triggerNumber<triggerMenu.numberOfTriggers(); ++triggerNumber )
84			{
85			std::unique_ptr<l1menu::ITrigger> pTrigger=triggerMenu.getTriggerCopy(triggerNumber);
86			std::vector<std::string> thresholdNames=getThresholdNames(*pTrigger);
87
88			try
89			{
90			setTriggerThresholdsAsTightAsPossible( event, *pTrigger, 0.001 );
91			// Set all of the parameters to match the thresholds in the trigger
92			for( const auto& thresholdName : thresholdNames )
93			{
94			parameters[parameterNumber]=pTrigger->parameter(thresholdName);
95			++parameterNumber;
96			}
97			}
98			catch( std::exception& error )
99			{
100			// setTriggerThresholdsAsTightAsPossible() couldn't find thresholds so record
101			// -1 for everything.
102			for( size_t index=0; index<thresholdNames.size(); ++index )
103			{
104			parameters[parameterNumber]=-1;
105			++parameterNumber;
106			}
107			} // end of try block that sets the trigger thresholds
108
109			} // end of loop over triggers
110			} // end of loop over events
111			}
112
113			l1menu::ReducedMenuSample::~ReducedMenuSample()
114			{
115			// No operation. Just need one defined otherwise the default one messes up
116			// the unique_ptr deletion because ReducedMenuSamplePrivateMembers isn't
117			// defined elsewhere.
118			}
119
120			l1menu::ReducedMenuSample::ReducedMenuSample( const std::string& filename )
121			{
122			GOOGLE_PROTOBUF_VERIFY_VERSION;
123
124			l1menuprotobuf::Sample inputSample;
125			{ // new block to limit scope of variables
126			std::ifstream inputFile( filename );
127			inputSample.ParseFromIstream( &inputFile );
128			}
129
130			l1menu::TriggerMenu triggerMenu;
131
132			size_t totalNumberOfThresholds=0;
133
134			for( int triggerNumber=0; triggerNumber<inputSample.trigger_size(); ++triggerNumber )
135			{
136			const l1menuprotobuf::Trigger& inputTrigger=inputSample.trigger(triggerNumber);
137
138			triggerMenu.addTrigger( inputTrigger.name(), inputTrigger.version() );
139			// Get a reference to the trigger I just created
140			l1menu::ITrigger& trigger=triggerMenu.getTrigger(triggerNumber);
141
142			// Run through all of the parameters and set them to what they were
143			// when the sample was made.
144			for( int parameterNumber=0; parameterNumber<inputTrigger.parameter_size(); ++parameterNumber )
145			{
146			const auto& inputParameter=inputTrigger.parameter(parameterNumber);
147			trigger.parameter(inputParameter.name())=inputParameter.value();
148			}
149
150			// I should probably check the threshold names exist. At the moment I just see how
151	grimes	1.4	// many there are so that I can initialise the buffer that holds the event data.
152	grimes	1.2	totalNumberOfThresholds+=inputTrigger.threshold_size();
153			}
154
155			// Now I have the menu set up as much as I need it (thresholds aren't set
156			// but I don't care about those). I can initialise the ReducedMenuSamplePrivateMembers
157			// pImple_ with the menu and the correct sizes for the data buffer.
158			pImple_.reset( new l1menu::ReducedMenuSamplePrivateMembers( inputSample.event_size(), totalNumberOfThresholds, triggerMenu ) );
159
160			// Now run over each event from the input file
161			for( int eventNumber=0; eventNumber<inputSample.event_size(); ++eventNumber )
162			{
163			auto& thresholdsForEvent=pImple_->thresholdsForAllEvents[eventNumber];
164			const auto& inputEvent=inputSample.event(eventNumber);
165
166			for( int thresholdNumber=0; thresholdNumber<inputEvent.threshold_size(); ++thresholdNumber )
167			{
168			thresholdsForEvent[thresholdNumber]=inputEvent.threshold(thresholdNumber);
169			}
170
171			// See if the weight was stored and set it if it has
172			if( inputEvent.has_weight() ) pImple_->weights[eventNumber]=inputEvent.weight();
173			}
174			}
175
176			void l1menu::ReducedMenuSample::saveToFile( const std::string& filename ) const
177			{
178			GOOGLE_PROTOBUF_VERIFY_VERSION;
179
180			l1menuprotobuf::Sample outputSample;
181
182			for( size_t triggerNumber=0; triggerNumber<pImple_->triggerMenu.numberOfTriggers(); ++triggerNumber )
183			{
184			const l1menu::ITrigger& trigger=pImple_->triggerMenu.getTrigger(triggerNumber);
185
186			l1menuprotobuf::Trigger* pOutputTrigger=outputSample.add_trigger();
187			pOutputTrigger->set_name( trigger.name() );
188			pOutputTrigger->set_version( trigger.version() );
189
190	grimes	1.4	// Record all of the parameters. It's not strictly necessary to record the values
191			// of the parameters that are recorded for each event, but I might as well so that
192			// the trigger menu is loaded exactly as it was saved.
193			const auto parameterNames=trigger.parameterNames();
194	grimes	1.2	for( const auto& parameterName : parameterNames )
195			{
196			l1menuprotobuf::Trigger_TriggerParameter* pOutputParameter=pOutputTrigger->add_parameter();
197			pOutputParameter->set_name(parameterName);
198			pOutputParameter->set_value( trigger.parameter(parameterName) );
199			}
200
201	grimes	1.4	// Make a note of the names of the parameters that are recorded for each event.
202	grimes	1.2	const auto thresholdNames=l1menu::getThresholdNames(trigger);
203			for( const auto& thresholdName : thresholdNames ) pOutputTrigger->add_threshold(thresholdName);
204
205			} // end of loop over triggers
206
207			//
208			// I've done everything for what is effectively the header. I now need
209			// to run through each event and record the thresholds for each one.
210			//
211			for( const auto& thresholdsForEvent : pImple_->thresholdsForAllEvents )
212			{
213			l1menuprotobuf::Event* pOutputEvent=outputSample.add_event();
214			for( const auto& threshold : thresholdsForEvent )
215			{
216			pOutputEvent->add_threshold( threshold );
217			}
218			}
219
220			// I should have the correct number of events in the protobuf version of
221			// the sample now. I'll run through and set the event weights as well, but
222			// I'll only add it if it's different to 1. I think this saves space in
223			// the file.
224			for( int eventNumber=0; eventNumber<outputSample.event_size(); ++eventNumber )
225			{
226			if( pImple_->weights[eventNumber]!=1 )
227			{
228			l1menuprotobuf::Event* pOutputEvent=outputSample.mutable_event(eventNumber);
229			pOutputEvent->set_weight( pImple_->weights[eventNumber] );
230			}
231			}
232
233
234			//
235			// Everything should be set up in the class now, so I can open the
236			// output file and write to it.
237			//
238			std::ofstream outputFile( filename );
239			outputSample.SerializeToOstream( &outputFile );
240	grimes	1.1	}
241
242			size_t l1menu::ReducedMenuSample::numberOfEvents() const
243			{
244			return pImple_->numberOfEvents;
245			}
246
247			const l1menu::IReducedEvent& l1menu::ReducedMenuSample::getEvent( size_t eventNumber ) const
248			{
249			pImple_->event.pThresholdValues=&pImple_->thresholdsForAllEvents[eventNumber];
250	grimes	1.2	pImple_->event.pWeight=&pImple_->weights[eventNumber];
251	grimes	1.1	return pImple_->event;
252			}
253	grimes	1.2
254			const l1menu::TriggerMenu& l1menu::ReducedMenuSample::getTriggerMenu() const
255			{
256			return pImple_->triggerMenu;
257			}
258
259			bool l1menu::ReducedMenuSample::containsTrigger( const l1menu::ITrigger& trigger, bool allowOlderVersion ) const
260			{
261			// Loop over all of the triggers in the menu, and see if there is one
262			// where the name and version match.
263			for( size_t triggerNumber=0; triggerNumber<pImple_->triggerMenu.numberOfTriggers(); ++triggerNumber )
264			{
265			const l1menu::ITrigger& triggerInMenu=pImple_->triggerMenu.getTrigger(triggerNumber);
266			if( triggerInMenu.name()!=trigger.name() ) continue;
267			if( allowOlderVersion )
268			{
269			if( triggerInMenu.version()>trigger.version() ) continue;
270			}
271			else
272			{
273			if( triggerInMenu.version()!=trigger.version() ) continue;
274			}
275
276			// If control got this far then there is a trigger with the required name
277			// and sufficient version. I now need to check all of the non threshold parameters
278			// to make sure they match, i.e. make sure the ReducedSample was made with the same
279			// eta cuts or whatever.
280			// I don't care if the thresholds don't match because that's what's stored in the
281			// ReducedMenuSample.
282			std::vector<std::string> parameterNames=getNonThresholdParameterNames( trigger );
283			bool allParametersMatch=true;
284			for( const auto& parameterName : parameterNames )
285			{
286			if( trigger.parameter(parameterName)!=triggerInMenu.parameter(parameterName) ) allParametersMatch=false;
287			}
288
289			if( allParametersMatch ) return true;
290			} // end of loop over triggers
291
292			// If control got this far then no trigger was found that matched
293			return false;
294			}
295
296			const std::map<std::string,size_t> l1menu::ReducedMenuSample::getTriggerParameterIdentifiers( const l1menu::ITrigger& trigger, bool allowOlderVersion ) const
297			{
298			std::map<std::string,size_t> returnValue;
299
300			// Need to find out how many parameters there are for each event. Basically the sum
301			// of the number of thresholds for all triggers.
302			size_t parameterNumber=0;
303			bool triggerWasFound=true;
304			for( size_t triggerNumber=0; triggerNumber<pImple_->triggerMenu.numberOfTriggers(); ++triggerNumber )
305			{
306			const l1menu::ITrigger& triggerInMenu=pImple_->triggerMenu.getTrigger(triggerNumber);
307
308			triggerWasFound=true; // Set to true, then back to false if any of the tests fail
309			// See if this trigger in the menu is the same as the one passed as a parameter
310			if( triggerInMenu.name()!=trigger.name() ) triggerWasFound=false;
311			if( allowOlderVersion )
312			{
313			if( triggerInMenu.version()>trigger.version() ) triggerWasFound=false;
314			}
315			else
316			{
317			if( triggerInMenu.version()!=trigger.version() ) triggerWasFound=false;
318			}
319
320			// If control got this far then there is a trigger with the required name
321			// and sufficient version. I now need to check all of the non threshold parameters
322			// to make sure they match, i.e. make sure the ReducedSample was made with the same
323			// eta cuts or whatever.
324			// I don't care if the thresholds don't match because that's what's stored in the
325			// ReducedMenuSample.
326			if( triggerWasFound ) // Trigger can still fail, but no point doing this check if it already has
327			{
328			std::vector<std::string> parameterNames=getNonThresholdParameterNames( trigger );
329			for( const auto& parameterName : parameterNames )
330			{
331			if( trigger.parameter(parameterName)!=triggerInMenu.parameter(parameterName) ) triggerWasFound=false;
332			}
333			}
334
335	grimes	1.4	std::vector<std::string> thresholdNames=l1menu::getThresholdNames(triggerInMenu);
336	grimes	1.2	if( triggerWasFound )
337			{
338			for( const auto& thresholdName : thresholdNames )
339			{
340			returnValue[thresholdName]=parameterNumber;
341			++parameterNumber;
342			}
343			break;
344			}
345			else parameterNumber+=thresholdNames.size();
346			}
347
348			// There could conceivably be a trigger that was found but has no thresholds
349			// (I guess - it would be a pretty pointless trigger though). To indicate the
350			// difference between that and a trigger that wasn't found I'll respectively
351			// return the empty vector or throw an exception.
352			if( !triggerWasFound ) throw std::runtime_error( "l1menu::ReducedMenuSample::getTriggerParameterIdentifiers() called for a trigger that was not used to create the sample" );
353
354			return returnValue;
355			}