A small to stream Data I/O. More...

#include <src/PersistencySvc/OutputStream.h>

Inheritance diagram for OutputStream:

Collaboration diagram for OutputStream:

Public Types
typedef std::vector< DataStoreItem * >	Items

typedef std::vector< std::string >	ItemNames

typedef std::map< Algorithm *, Items >	AlgDependentItems

typedef std::map< std::string, ItemNames >	AlgDependentItemNames

Public Types inherited from Algorithm
typedef Gaudi::PluginService::Factory< IAlgorithm , const std::string &, ISvcLocator >	Factory

Public Types inherited from CommonMessaging< implements< IAlgorithm, IDataHandleHolder, IProperty, IStateful > >
using	base_class = CommonMessaging

Public Member Functions
	OutputStream (const std::string &name, ISvcLocator *pSvcLocator)
	Standard algorithm Constructor. More...

virtual	~OutputStream ()=default
	Standard Destructor. More...

StatusCode	initialize () override
	Initialize OutputStream. More...

StatusCode	finalize () override
	Terminate OutputStream. More...

StatusCode	execute () override
	Working entry point. More...

virtual StatusCode	connectConversionSvc ()

virtual bool	collect (IRegistry *dir, int level)
	Store agent's classback. More...

virtual StatusCode	collectObjects ()
	Collect all objects to be written to the output stream. More...

void	clearSelection ()
	Clear list of selected objects. More...

Public Member Functions inherited from Algorithm
	Algorithm (const std::string &name, ISvcLocator *svcloc, const std::string &version=PACKAGE_VERSION)
	Constructor. More...

	~Algorithm () override=default
	Destructor. More...

StatusCode	sysStart () override
	Reinitialization method invoked by the framework. More...

StatusCode	sysInitialize () override
	Initialization method invoked by the framework. More...

StatusCode	sysReinitialize () override
	Reinitialization method invoked by the framework. More...

StatusCode	sysRestart () override
	Restart method invoked by the framework. More...

StatusCode	sysExecute () override
	The actions to be performed by the algorithm on an event. More...

StatusCode	sysStop () override
	System stop. More...

StatusCode	sysFinalize () override
	System finalization. More...

StatusCode	sysBeginRun () override
	beginRun method invoked by the framework. More...

StatusCode	sysEndRun () override
	endRun method invoked by the framework. More...

const std::string &	name () const override
	The identifying name of the algorithm object. More...

const Gaudi::StringKey &	nameKey () const override

const std::string &	type () const override
	The type of the algorithm object. More...

void	setType (const std::string &type) override

const std::string &	version () const override

unsigned int	index () const override

StatusCode	configure () override
	Dummy implementation of IStateful::configure() method. More...

StatusCode	terminate () override
	Dummy implementation of IStateful::terminate() method. More...

StatusCode	initialize () override
	the default (empty) implementation of IStateful::initialize() method More...

StatusCode	start () override
	the default (empty) implementation of IStateful::start() method More...

StatusCode	stop () override
	the default (empty) implementation of IStateful::stop() method More...

StatusCode	finalize () override
	the default (empty) implementation of IStateful::finalize() method More...

StatusCode	reinitialize () override
	the default (empty) implementation of IStateful::reinitialize() method More...

StatusCode	restart () override
	the default (empty) implementation of IStateful::restart() method More...

Gaudi::StateMachine::State	FSMState () const override
	returns the current state of the algorithm More...

Gaudi::StateMachine::State	targetFSMState () const override
	returns the state the algorithm will be in after the ongoing transition More...

bool	isExecuted () const override
	Has this algorithm been executed since the last reset? More...

void	setExecuted (bool state) override
	Set the executed flag to the specified state. More...

void	resetExecuted () override
	Reset the executed state of the Algorithm for the duration of the current event. More...

StatusCode	beginRun () override
	Algorithm begin run. More...

StatusCode	endRun () override
	Algorithm end run. This method is called at the end of the event loop. More...

bool	isEnabled () const override
	Is this algorithm enabled or disabled? More...

bool	filterPassed () const override
	Did this algorithm pass or fail its filter criterion for the last event? More...

void	setFilterPassed (bool state) override
	Set the filter passed flag to the specified state. More...

int	errorCount () const
	Get the number of failures of the algorithm. More...

template<class T >
StatusCode	service (const std::string &name, T *&psvc, bool createIf=true) const
	Access a service by name, creating it if it doesn't already exist. More...

template<class T >
StatusCode	service (const std::string &svcType, const std::string &svcName, T *&psvc) const
	Access a service by name and type, creating it if it doesn't already exist. More...

SmartIF< IService >	service (const std::string &name, const bool createIf=true, const bool quiet=false) const
	Return a pointer to the service identified by name (or "type/name") More...

template<class T >
SmartIF< T >	service (const std::string &name, bool createIf=true, bool quiet=false) const

SmartIF< IAuditorSvc > &	auditorSvc () const
	The standard auditor service.May not be invoked before sysInitialize() has been invoked. More...

SmartIF< IChronoStatSvc > &	chronoSvc () const
	The standard Chrono & Stat service, Return a pointer to the service if present. More...

SmartIF< IChronoStatSvc > &	chronoStatService () const
	Obsoleted name, kept due to the backwards compatibility. More...

SmartIF< IDataProviderSvc > &	detSvc () const
	The standard detector data service. More...

SmartIF< IDataProviderSvc > &	detDataService () const
	Obsoleted name, kept due to the backwards compatibility. More...

SmartIF< IConversionSvc > &	detCnvSvc () const
	The standard detector data persistency conversion service. More...

SmartIF< IConversionSvc > &	detDataCnvService () const
	Obsoleted name, kept due to the backwards compatibility. More...

SmartIF< IDataProviderSvc > &	eventSvc () const
	The standard event data service. More...

SmartIF< IDataProviderSvc > &	evtSvc () const
	shortcut for method eventSvc More...

SmartIF< IDataProviderSvc > &	eventDataService () const
	Obsoleted name, kept due to the backwards compatibility. More...

SmartIF< IConversionSvc > &	eventCnvSvc () const
	The standard event data persistency conversion service. More...

SmartIF< IConversionSvc > &	eventDataCnvService () const
	Obsoleted name, kept due to the backwards compatibility. More...

SmartIF< IHistogramSvc > &	histoSvc () const
	The standard histogram service. More...

SmartIF< IHistogramSvc > &	histogramDataService () const
	Obsoleted name, kept due to the backwards compatibility. More...

SmartIF< INTupleSvc > &	ntupleSvc () const
	The standard N tuple service. More...

SmartIF< INTupleSvc > &	ntupleService () const
	Obsoleted name, kept due to the backwards compatibility. More...

SmartIF< IRndmGenSvc > &	randSvc () const
	AIDA-based NTuple service Returns a pointer to the AIDATuple service if present. More...

SmartIF< IToolSvc > &	toolSvc () const
	The standard ToolSvc service, Return a pointer to the service if present. More...

SmartIF< IExceptionSvc > &	exceptionSvc () const
	Get the exception Service. More...

SmartIF< IAlgContextSvc > &	contextSvc () const
	get Algorithm Context Service More...

SmartIF< ITimelineSvc > &	timelineSvc () const

SmartIF< ISvcLocator > &	serviceLocator () const override
	The standard service locator. More...

SmartIF< ISvcLocator > &	svcLoc () const
	shortcut for method serviceLocator More...

SmartIF< IHiveWhiteBoard > &	whiteboard () const

bool	registerContext () const
	register for Algorithm Context Service? More...

StatusCode	createSubAlgorithm (const std::string &type, const std::string &name, Algorithm *&pSubAlg)
	Create a sub algorithm. More...

const std::vector< Algorithm * > *	subAlgorithms () const
	List of sub-algorithms. Returns a pointer to a vector of (sub) Algorithms. More...

std::vector< Algorithm * > *	subAlgorithms ()
	List of sub-algorithms. Returns a pointer to a vector of (sub) Algorithms. More...

StatusCode	setProperty (const Property &p) override
	Implementation of IProperty::setProperty. More...

StatusCode	setProperty (const std::string &s) override
	Implementation of IProperty::setProperty. More...

StatusCode	setProperty (const std::string &n, const std::string &v) override
	Implementation of IProperty::setProperty. More...

StatusCode	getProperty (Property *p) const override
	Implementation of IProperty::getProperty. More...

const Property &	getProperty (const std::string &name) const override
	Implementation of IProperty::getProperty. More...

StatusCode	getProperty (const std::string &n, std::string &v) const override
	Implementation of IProperty::getProperty. More...

const std::vector< Property * > &	getProperties () const override
	Implementation of IProperty::getProperties. More...

bool	hasProperty (const std::string &name) const override
	Implementation of IProperty::hasProperty. More...

PropertyMgr *	getPropertyMgr ()

StatusCode	setProperties ()
	Set the algorithm's properties. More...

template<class T >
Property *	declareProperty (const std::string &name, T &property, const std::string &doc="none") const
	Declare the named property. More...

Property *	declareRemoteProperty (const std::string &name, IProperty *rsvc, const std::string &rname="") const
	Declare remote named properties. More...

template<class T >
Property *	declareProperty (const std::string &name, ToolHandle< T > &hndl, const std::string &doc="none") const

template<class T >
Property *	declareProperty (const std::string &name, ToolHandleArray< T > &hndlArr, const std::string &doc="none") const

SmartIF< IMonitorSvc > &	monitorSvc () const
	Access the monitor service. More...

template<class T >
void	declareInfo (const std::string &name, const T &var, const std::string &desc) const
	Declare monitoring information. More...

void	declareInfo (const std::string &name, const std::string &format, const void *var, int size, const std::string &desc) const
	Declare monitoring information (special case) More...

template<class TYPE >
StatusCode	setProperty (const std::string &name, const TYPE &value)
	set the property form the value More...

EventContext *	getContext () const
	get the context More...

void	setContext (EventContext *context)
	set the context More...

virtual std::vector< Gaudi::DataHandle * >	inputHandles () const override

virtual std::vector< Gaudi::DataHandle * >	outputHandles () const override

virtual const DataObjIDColl &	extraInputDeps () const override

virtual const DataObjIDColl &	extraOutputDeps () const override

virtual void	acceptDHVisitor (IDataHandleVisitor *) const override

const DataObjIDColl &	inputDataObjs () const

const DataObjIDColl &	outputDataObjs () const

void	commitHandles () override

void	registerTool (IAlgTool *tool) const

void	deregisterTool (IAlgTool *tool) const

template<class T >
StatusCode	declareTool (ToolHandle< T > &handle, std::string toolTypeAndName="", bool createIf=true)

const std::vector< IAlgTool * > &	tools () const

bool	isClonable () const override
	Specifies the clonability of the algorithm. More...

unsigned int	cardinality () const override
	Return the cardinality. More...

const std::vector< std::string > &	neededResources () const override

Public Member Functions inherited from CommonMessagingBase
virtual	~CommonMessagingBase ()=default
	Virtual destructor. More...

SmartIF< IMessageSvc > &	msgSvc () const
	The standard message service. More...

MsgStream &	msgStream () const
	Return an uninitialized MsgStream. More...

MsgStream &	msgStream (const MSG::Level level) const
	Predefined configurable message stream for the efficient printouts. More...

MsgStream &	always () const
	shortcut for the method msgStream(MSG::ALWAYS) More...

MsgStream &	fatal () const
	shortcut for the method msgStream(MSG::FATAL) More...

MsgStream &	err () const
	shortcut for the method msgStream(MSG::ERROR) More...

MsgStream &	error () const
	shortcut for the method msgStream(MSG::ERROR) More...

MsgStream &	warning () const
	shortcut for the method msgStream(MSG::WARNING) More...

MsgStream &	info () const
	shortcut for the method msgStream(MSG::INFO) More...

MsgStream &	debug () const
	shortcut for the method msgStream(MSG::DEBUG) More...

MsgStream &	verbose () const
	shortcut for the method msgStream(MSG::VERBOSE) More...

MsgStream &	msg () const
	shortcut for the method msgStream(MSG::INFO) More...

MSG::Level	msgLevel () const
	get the output level from the embedded MsgStream More...

MSG::Level	outputLevel () const __attribute__((deprecated))
	Backward compatibility function for getting the output level. More...

bool	msgLevel (MSG::Level lvl) const
	get the output level from the embedded MsgStream More...

Protected Member Functions
StatusCode	decodeAcceptAlgs ()
	Decode list of Algorithms that this stream accepts. More...

void	acceptAlgsHandler (Property &theProp)
	Handler for AcceptAlgs Property. More...

StatusCode	decodeRequireAlgs ()
	Decode list of Algorithms that this stream requires. More...

void	requireAlgsHandler (Property &theProp)
	Handler for RequireAlgs Property. More...

StatusCode	decodeVetoAlgs ()
	Decode list of Algorithms that this stream is vetoed by. More...

void	vetoAlgsHandler (Property &theProp)
	Handler for VetoAlgs Property. More...

Algorithm *	decodeAlgorithm (const std::string &theName)
	Decode a single algorithm name. More...

StatusCode	decodeAlgorithms (StringArrayProperty &theNames, std::vector< Algorithm * > &theAlgs)
	Decode specified list of Algorithms. More...

bool	isEventAccepted () const
	Test whether this event should be output. More...

DataStoreItem *	findItem (const std::string &path)
	Find single item identified by its path (exact match) More...

virtual StatusCode	writeObjects ()
	Select the different objects and write them to file. More...

virtual bool	hasInput () const
	Tell if the instance has been configured with input items or not. More...

Protected Member Functions inherited from Algorithm
virtual void	declareInput (Gaudi::DataHandle *im) override

virtual void	declareOutput (Gaudi::DataHandle *im) override

std::vector< IAlgTool * > &	tools ()

bool	isInitialized () const override
	Has the Algorithm already been initialized? More...

bool	isFinalized () const override
	Has the Algorithm already been finalized? More...

void	setIndex (const unsigned int &idx) override
	set instantiation index of Alg More...

Protected Member Functions inherited from CommonMessaging< implements< IAlgorithm, IDataHandleHolder, IProperty, IStateful > >
void	updateMsgStreamOutputLevel (int level)
	Update the output level of the cached MsgStream. More...

Protected Attributes
SmartIF< IIncidentSvc >	m_incidentSvc
	Reference to the incident service. More...

bool	m_doPreLoad
	Flag indicating whether data pre-loading should be performed. More...

bool	m_doPreLoadOpt
	Flag indicating whether optional items should be preloaded. More...

bool	m_verifyItems
	Flag to indicate that item consistency should be checked. More...

std::string	m_storeName
	Name of the service managing the data store. More...

std::string	m_persName
	Name of the persistency service capable to write data from the store. More...

std::string	m_output
	Name of the output file specification. More...

std::string	m_outputName
	Name of the output file. More...

std::string	m_outputType
	Output type: NEW(NEW,CREATE,WRITE,RECREATE), UPDATE) More...

std::unique_ptr< OutputStreamAgent >	m_agent
	Keep reference of agent. More...

SmartIF< IDataProviderSvc >	m_pDataProvider
	Keep reference to the data provider service. More...

SmartIF< IDataManagerSvc >	m_pDataManager
	Keep reference to the data manager service. More...

SmartIF< IConversionSvc >	m_pConversionSvc
	Keep reference to the data conversion service. More...

DataStoreItem *	m_currentItem
	Keep track of the current item. More...

ItemNames	m_itemNames
	Vector of item names. More...

Items	m_itemList
	Vector of items to be saved to this stream. More...

ItemNames	m_optItemNames
	Vector of item names. More...

Items	m_optItemList
	Vector of optional items to be saved to this stream. More...

AlgDependentItemNames	m_algDependentItemList
	Mapping between algorithm names, and a list of items for which, if the algorithm in question accepted the event, they should be also stored. More...

AlgDependentItems	m_algDependentItems
	Items to be saved for specific algorithms. More...

IDataSelector	m_objects
	Collection of objects being selected. More...

int	m_events
	Number of events written to this output stream. More...

StringArrayProperty	m_acceptNames
	Vector of names of Algorithms that this stream accepts. More...

StringArrayProperty	m_requireNames
	Vector of names of Algorithms that this stream requires. More...

StringArrayProperty	m_vetoNames
	Vector of names of Algorithms that this stream is vetoed by. More...

std::vector< Algorithm * >	m_acceptAlgs
	Vector of Algorithms that this stream accepts. More...

std::vector< Algorithm * >	m_requireAlgs
	Vector of Algorithms that this stream requires. More...

std::vector< Algorithm * >	m_vetoAlgs
	Vector of Algorithms that this stream is vetoed by. More...

bool	m_fireIncidents
	should I fire incidents for writing opening/closing etc? More...

Protected Attributes inherited from Algorithm
EventContext *	m_event_context
	Event specific data for multiple event processing. More...

SmartIF< PropertyMgr >	m_propertyMgr
	For management of properties. More...

std::unique_ptr< IDataHandleVisitor >	m_updateDataHandles
	Hook for for derived classes to provide a custom visitor for data handles. More...

Private Member Functions
void	clearItems (Items &itms)
	Clear item list. More...

void	addItem (Items &itms, const std::string &descriptor)
	Add item to output streamer list. More...

IDataSelector *	selectedObjects ()
	Return the list of selected objects. More...

Detailed Description

A small to stream Data I/O.

Author: M.Frank author R. Lambert Version: 1.0

Definition at line 29 of file OutputStream.h.

Member Typedef Documentation

typedef std::map< std::string, ItemNames > OutputStream::AlgDependentItemNames

Definition at line 34 of file OutputStream.h.

typedef std::map< Algorithm*, Items > OutputStream::AlgDependentItems

Definition at line 33 of file OutputStream.h.

typedef std::vector<std::string> OutputStream::ItemNames

Definition at line 32 of file OutputStream.h.

typedef std::vector<DataStoreItem*> OutputStream::Items

Definition at line 31 of file OutputStream.h.

Constructor & Destructor Documentation

OutputStream::OutputStream	(	const std::string &	name,
		ISvcLocator *	pSvcLocator
	)

Standard algorithm Constructor.

in the baseclass, always fire the incidents by default in e.g. RecordStream this will be set to false, and configurable

in the baseclass, always fire the incidents by default in RecordStream this will be set to false, and configurable

Definition at line 30 of file OutputStream.cpp.

 : Algorithm(name, pSvcLocator),
   m_agent          { new OutputStreamAgent(this) }
 {
   m_doPreLoad      = true;
   m_doPreLoadOpt   = false;
   m_verifyItems    = true;
   m_outputType     = "UPDATE";
   m_storeName      = "EventDataSvc";
   m_persName       = "EventPersistencySvc";
   m_fireIncidents  = true;
   declareProperty("ItemList",         m_itemNames);
   declareProperty("OptItemList",      m_optItemNames);
   declareProperty("AlgDependentItemList", m_algDependentItemList);
   declareProperty("Preload",          m_doPreLoad);
   declareProperty("PreloadOptItems",  m_doPreLoadOpt);
   declareProperty("Output",           m_output);
   declareProperty("OutputFile",       m_outputName);
   declareProperty("EvtDataSvc",       m_storeName);
   declareProperty("EvtConversionSvc", m_persName);
   declareProperty("AcceptAlgs",       m_acceptNames);
   declareProperty("RequireAlgs",      m_requireNames);
   declareProperty("VetoAlgs",         m_vetoNames);
   declareProperty("VerifyItems",      m_verifyItems);
 
   // Associate action handlers with the AcceptAlgs, RequireAlgs and VetoAlgs.
   m_acceptNames.declareUpdateHandler ( &OutputStream::acceptAlgsHandler , this );
   m_requireNames.declareUpdateHandler( &OutputStream::requireAlgsHandler, this );
   m_vetoNames.declareUpdateHandler   ( &OutputStream::vetoAlgsHandler   , this );
 
   //setProperty( "OutputLevel", 2 );
 
 }

virtual OutputStream::~OutputStream ( )

virtualdefault

Standard Destructor.

Member Function Documentation

void OutputStream::acceptAlgsHandler ( Property & theProp )

protected

Handler for AcceptAlgs Property.

Definition at line 506 of file OutputStream.cpp.

                                                    {
   StatusCode sc = decodeAlgorithms( m_acceptNames, m_acceptAlgs );
   if (sc.isFailure()) {
     throw GaudiException("Failure in OutputStream::decodeAlgorithms",
                          "OutputStream::acceptAlgsHandler",sc);
   }
 }

void OutputStream::addItem	(	Items &	itms,
		const std::string &	descriptor
	)

private

Add item to output streamer list.

Definition at line 398 of file OutputStream.cpp.

                                                                      {
   int level = 0;
   auto  sep = descriptor.rfind("#");
   std::string obj_path = descriptor.substr(0,sep);
   if ( sep != std::string::npos ) {
     std::string slevel = descriptor.substr(sep+1);
     level = ( slevel == "*" ) ? 9999999 : std::stoi(slevel);
   }
   if ( m_verifyItems )  {
     size_t idx = obj_path.find("/",1);
     while(idx != std::string::npos)  {
       std::string sub_item = obj_path.substr(0,idx);
       if ( !findItem(sub_item) ) addItem(itms, sub_item+"#1");
       idx = obj_path.find("/",idx+1);
     }
   }
   itms.push_back( new DataStoreItem(obj_path, level) );
   const auto& item = itms.back();
   ON_DEBUG
     debug() << "Adding OutputStream item " << item->path()
         << " with " << item->depth()
         << " level(s)." << endmsg;
 }

void OutputStream::clearItems ( Items & itms )

private

Clear item list.

Definition at line 380 of file OutputStream.cpp.

                                              {
   for ( auto& i : itms ) delete i;
   itms.clear();
 }

void OutputStream::clearSelection ( )

Clear list of selected objects.

Definition at line 375 of file OutputStream.cpp.

                                       {
   m_objects.clear();
 }

bool OutputStream::collect	(	IRegistry *	dir,
		int	level
	)

virtual

Store agent's classback.

Definition at line 274 of file OutputStream.cpp.

                                                        {
   if ( level < m_currentItem->depth() )   {
     if ( dir->object() )   {
       /*
         std::cout << "Analysing ("
         << dir->name()
         << ") Object:"
         << ((dir->object()==0) ? "UNLOADED" : "LOADED")
         << std::endl;
       */
       m_objects.push_back(dir->object());
       return true;
     }
   }
   return false;
 }

StatusCode OutputStream::collectObjects ( )

virtual

Collect all objects to be written to the output stream.

Reimplemented in InputCopyStream.

Definition at line 292 of file OutputStream.cpp.

                                           {
   StatusCode status = StatusCode::SUCCESS;
 
   // Traverse the tree and collect the requested objects
   for ( auto& i : m_itemList) {
     DataObject* obj = nullptr;
     m_currentItem = i;
     StatusCode iret = m_pDataProvider->retrieveObject(m_currentItem->path(), obj);
     if ( iret.isSuccess() )  {
       iret = m_pDataManager->traverseSubTree(obj, m_agent.get());
       if ( !iret.isSuccess() )  status = iret;
     }
     else  {
       error() << "Cannot write mandatory object(s) (Not found) "
           << m_currentItem->path() << endmsg;
       status = iret;
     }
   }
 
   // Traverse the tree and collect the requested objects (tolerate missing items here)
   for ( auto&  i : m_optItemList ) {
     DataObject* obj = nullptr;
     m_currentItem = i;
     StatusCode iret = m_pDataProvider->retrieveObject(m_currentItem->path(), obj);
     if ( iret.isSuccess() )  {
       iret = m_pDataManager->traverseSubTree(obj, m_agent.get());
     }
     if ( !iret.isSuccess() )    {
       ON_DEBUG
         debug() << "Ignore request to write non-mandatory object(s) "
             << m_currentItem->path() << endmsg;
     }
   }
 
   // Collect objects dependent on particular algorithms
   for ( const auto& iAlgItems : m_algDependentItems )
   {
     Algorithm * alg    = iAlgItems.first;
     const Items& items = iAlgItems.second;
     if ( alg->isExecuted() && alg->filterPassed() )
     {
       ON_DEBUG
         debug() << "Algorithm '" << alg->name() << "' fired. Adding " << items << endmsg;
       for ( const auto& i : items )
       {
         DataObject* obj = nullptr;
         m_currentItem = i;
         StatusCode iret = m_pDataProvider->retrieveObject(m_currentItem->path(),obj);
         if ( iret.isSuccess() )
         {
           iret = m_pDataManager->traverseSubTree(obj,m_agent.get());
           if ( !iret.isSuccess() ) status = iret;
         }
         else
         {
           error() << "Cannot write mandatory (algorithm dependent) object(s) (Not found) "
               << m_currentItem->path() << endmsg;
           status = iret;
         }
       }
     }
   }
 
   if (status.isSuccess())
   {
     // Remove duplicates from the list of objects, preserving the order in the list
     std::set<DataObject*> unique;
     std::vector<DataObject*> tmp; // temporary vector with the reduced list
     tmp.reserve(m_objects.size());
     for (auto& o : m_objects ) {
       if (!unique.count(o)) {
         // if the pointer is not in the set, add it to both the set and the temporary vector
         unique.insert(o);
         tmp.push_back(o);
       }
     }
     m_objects.swap(tmp); // swap the data of the two vectors
   }
 
   return status;
 }

StatusCode OutputStream::connectConversionSvc ( )

virtual

Definition at line 423 of file OutputStream.cpp.

                                                 {
   StatusCode status = StatusCode(StatusCode::FAILURE, true);
   // Get output file from input
   std::string dbType, svc, shr;
   for(auto attrib: Gaudi::Utils::AttribStringParser(m_output)) {
     const std::string& tag = attrib.tag;
     const std::string& val = attrib.value;
     switch( ::toupper(tag[0]) )    {
     case 'D':
       m_outputName = val;
       break;
     case 'T':
       dbType = val;
       break;
     case 'S':
       switch( ::toupper(tag[1]) )   {
       case 'V':    svc = val;      break;
       case 'H':    shr = "YES";    break;
       }
       break;
     case 'O':   // OPT='<NEW<CREATE,WRITE,RECREATE>, UPDATE>'
       switch( ::toupper(val[0]) )   {
       case 'R':
         if ( ::strncasecmp(val.c_str(),"RECREATE",3)==0 )
           m_outputType = "RECREATE";
         else if ( ::strncasecmp(val.c_str(),"READ",3)==0 )
           m_outputType = "READ";
         break;
       case 'C':
       case 'N':
       case 'W':
         m_outputType = "NEW";
       break;
       case 'U':
         m_outputType = "UPDATE";
         break;
       default:
         m_outputType = "???";
         break;
       }
       break;
     default:
       break;
     }
   }
   if ( !shr.empty() ) m_outputType += "|SHARED";
   // Get access to the default Persistency service
   // The default service is the same for input as for output.
   // If this is not desired, then a specialized OutputStream must overwrite
   // this value.
   if ( !dbType.empty() || !svc.empty() )   {
     std::string typ = !dbType.empty() ? dbType : svc;
     auto ipers = serviceLocator()->service<IPersistencySvc>(m_persName);
     if( !ipers )   {
       fatal() << "Unable to locate IPersistencySvc interface of " << m_persName << endmsg;
       return StatusCode::FAILURE;
     }
     IConversionSvc *cnvSvc = nullptr;
     status = ipers->getService(typ, cnvSvc);
     if( !status.isSuccess() )   {
       fatal() << "Unable to locate IConversionSvc interface of database type " << typ << endmsg;
       return status;
     }
     // Increase reference count and keep service.
     m_pConversionSvc = cnvSvc;
   }
   else
   {
     fatal()
         << "Unable to locate IConversionSvc interface (Unknown technology) " << endmsg
         << "You either have to specify a technology name or a service name!" << endmsg
         << "Please correct the job option \"" << name() << ".Output\" !"     << endmsg;
     return StatusCode::FAILURE;
   }
   return StatusCode::SUCCESS;
 }

StatusCode OutputStream::decodeAcceptAlgs ( )

protected

Decode list of Algorithms that this stream accepts.

Definition at line 500 of file OutputStream.cpp.

                                            {
   ON_DEBUG
     debug() << "AcceptAlgs  : " << m_acceptNames.value() << endmsg;
   return decodeAlgorithms( m_acceptNames, m_acceptAlgs );
 }

Algorithm * OutputStream::decodeAlgorithm ( const std::string & theName )

protected

Decode a single algorithm name.

Definition at line 542 of file OutputStream.cpp.

 {
   Algorithm * theAlgorithm = nullptr;
 
   auto theAlgMgr = serviceLocator()->as<IAlgManager>();
   if ( theAlgMgr )
   {
     // Check whether the supplied name corresponds to an existing
     // Algorithm object.
     SmartIF<IAlgorithm> &theIAlg = theAlgMgr->algorithm(theName);
     if ( theIAlg )
     {
       try
       {
         theAlgorithm = dynamic_cast<Algorithm*>(theIAlg.get());
       }
       catch(...)
       {
         // do nothing
       }
     }
   }
   else
   {
     fatal() << "Can't locate ApplicationMgr!!!" << endmsg;
   }
 
   if ( !theAlgorithm )
   {
     warning() << "Failed to decode Algorithm name " << theName << endmsg;
   }
 
   return theAlgorithm;
 }

StatusCode OutputStream::decodeAlgorithms	(	StringArrayProperty &	theNames,
		std::vector< Algorithm * > &	theAlgs
	)

protected

Decode specified list of Algorithms.

Definition at line 577 of file OutputStream.cpp.

 {
   // Reset the list of Algorithms
   theAlgs.clear( );
 
   StatusCode result = StatusCode::SUCCESS;
 
   // Build the list of Algorithms from the names list
   for ( const auto& it : theNames.value() ) 
   {
 
     Algorithm * theAlgorithm = decodeAlgorithm( it );
     if ( theAlgorithm )
     {
       // Check that the specified algorithm doesn't already exist in the list
       if ( std::find( std::begin(theAlgs), std::end(theAlgs), theAlgorithm ) == std::end(theAlgs) ) {
         theAlgorithm->addRef();
         theAlgs.push_back( theAlgorithm );
       }
     }
     else
     {
       info() << it << " doesn't exist - ignored" << endmsg;
     }
 
   }
   result = StatusCode::SUCCESS;
 
   return result;
 }

StatusCode OutputStream::decodeRequireAlgs ( )

protected

Decode list of Algorithms that this stream requires.

Definition at line 514 of file OutputStream.cpp.

                                              {
   ON_DEBUG
     debug() << "RequireAlgs : " << m_requireNames.value() << endmsg;
   return decodeAlgorithms( m_requireNames, m_requireAlgs );
 }

StatusCode OutputStream::decodeVetoAlgs ( )

protected

Decode list of Algorithms that this stream is vetoed by.

Definition at line 528 of file OutputStream.cpp.

                                           {
   ON_DEBUG
     debug() << "VetoAlgs    : " << m_vetoNames.value() << endmsg;
   return decodeAlgorithms( m_vetoNames, m_vetoAlgs );
 }

StatusCode OutputStream::execute ( )

override

Working entry point.

Definition at line 173 of file OutputStream.cpp.

 {
   // Clear any previously existing item list
   clearSelection();
   // Test whether this event should be output
   if ( isEventAccepted() )
   {
     const StatusCode sc = writeObjects();
     clearSelection();
     ++m_events;
     if ( sc.isSuccess() && m_fireIncidents )
     {
       m_incidentSvc->fireIncident(Incident(m_outputName,
                                            IncidentType::WroteToOutputFile));
     }
     else if ( m_fireIncidents )
     {
       m_incidentSvc->fireIncident(Incident(m_outputName,
                                            IncidentType::FailOutputFile));
     }
     return sc;
   }
   return StatusCode::SUCCESS;
 }

StatusCode OutputStream::finalize ( )

override

Terminate OutputStream.

Definition at line 159 of file OutputStream.cpp.

                                   {
   info() << "Events output: " << m_events << endmsg;
   if(m_fireIncidents) m_incidentSvc->fireIncident(Incident(m_outputName,
                                                            IncidentType::EndOutputFile));
   m_incidentSvc.reset();
   m_pDataProvider.reset();
   m_pDataManager.reset();
   m_pConversionSvc.reset();
   clearItems(m_optItemList);
   clearItems(m_itemList);
   return StatusCode::SUCCESS;
 }

DataStoreItem * OutputStream::findItem ( const std::string & path )

protected

Find single item identified by its path (exact match)

Definition at line 387 of file OutputStream.cpp.

                                              {
   auto matchPath = [&](const DataStoreItem* i) { return i->path() == path; } ;
   auto i = std::find_if( m_itemList.begin(), m_itemList.end(), matchPath );
   if (i == m_itemList.end()) {
      i = std::find_if( m_optItemList.begin(), m_optItemList.end(), matchPath );
      if (i == m_optItemList.end()) return nullptr;
   }
   return *i;
 }

bool OutputStream::hasInput ( ) const

protectedvirtual

Tell if the instance has been configured with input items or not.

Reimplemented in InputCopyStream.

Definition at line 638 of file OutputStream.cpp.

                                   {
   return !(m_itemNames.empty() && m_optItemNames.empty() &&
            m_algDependentItemList.empty());
 }

StatusCode OutputStream::initialize ( )

override

Initialize OutputStream.

Definition at line 70 of file OutputStream.cpp.

                                     {
 
   // Reset the number of events written
   m_events = 0;
   // Get access to the DataManagerSvc
   m_pDataManager = serviceLocator()->service(m_storeName);
   if( !m_pDataManager )   {
     fatal() << "Unable to locate IDataManagerSvc interface" << endmsg;
     return StatusCode::FAILURE;
   }
   // Get access to the IncidentService
   m_incidentSvc = serviceLocator()->service("IncidentSvc");
   if( !m_incidentSvc )  {
     warning() << "Error retrieving IncidentSvc." << endmsg;
     return StatusCode::FAILURE;
   }
   // Get access to the assigned data service
   m_pDataProvider = serviceLocator()->service(m_storeName);
   if( !m_pDataProvider )   {
     fatal() << "Unable to locate IDataProviderSvc interface of " << m_storeName << endmsg;
     return StatusCode::FAILURE;
   }
   if ( hasInput() )  {
     StatusCode status = connectConversionSvc();
     if( !status.isSuccess() )   {
       fatal() << "Unable to connect to conversion service." << endmsg;
       if(m_outputName!="" && m_fireIncidents) m_incidentSvc->fireIncident(Incident(m_outputName,
                                                                                    IncidentType::FailOutputFile));
       return status;
     }
   }
 
   // Clear the list with optional items
   clearItems(m_optItemList);
   // Clear the item list
   clearItems(m_itemList);
 
   // Take the new item list from the properties.
   ON_DEBUG debug() << "ItemList    : " << m_itemNames << endmsg;
   for( const auto& i : m_itemNames ) addItem( m_itemList, i );
 
   // Take the new item list from the properties.
   ON_DEBUG debug() << "OptItemList : " << m_optItemNames << endmsg;
   for( const auto& i : m_optItemNames ) addItem( m_optItemList, i );
 
   // prepare the algorithm selected dependent locations
   ON_DEBUG debug() << "AlgDependentItemList : " << m_algDependentItemList << endmsg;
   for ( const auto& a : m_algDependentItemList )
   {
     // Get the algorithm pointer
     Algorithm * theAlgorithm = decodeAlgorithm( a.first );
     if ( theAlgorithm )
     {
       // Get the item list for this alg
       auto& items = m_algDependentItems[theAlgorithm];
       // Clear the list for this alg
       clearItems( items );
       // fill the list again
       for ( const auto& i : a.second ) addItem( items, i );
     }
   }
 
   // Take the item list to the data service preload list.
   if ( m_doPreLoad )    {
     for(auto& j : m_itemList) m_pDataProvider->addPreLoadItem( *j ).ignore();
     // Not working: bad reference counting! pdataSvc->release();
   }
 
   if ( m_doPreLoadOpt )    {
     for(auto& j : m_optItemList) m_pDataProvider->addPreLoadItem( *j ).ignore();
   }
   info() << "Data source: " << m_storeName  << " output: " << m_output << endmsg;
 
   // Decode the accept, required and veto Algorithms. The logic is the following:
   //  a. The event is accepted if all lists are empty.
   //  b. The event is provisionally accepted if any Algorithm in the accept list
   //     has been executed and has indicated that its filter is passed. This
   //     provisional acceptance can be overridden by the other lists.
   //  c. The event is rejected unless all Algorithms in the required list have
   //     been executed and have indicated that their filter passed.
   //  d. The event is rejected if any Algorithm in the veto list has been
   //     executed and has indicated that its filter has passed.
   decodeAcceptAlgs ().ignore();
   decodeRequireAlgs().ignore();
   decodeVetoAlgs   ().ignore();
   return StatusCode::SUCCESS;
 }

bool OutputStream::isEventAccepted ( ) const

protected

Test whether this event should be output.

Definition at line 609 of file OutputStream.cpp.

                                            {
   auto passed = [](const Algorithm* alg) { return alg->isExecuted() 
                                                && alg->filterPassed(); };
 
   // Loop over all Algorithms in the accept list to see
   // whether any have been executed and have their filter
   // passed flag set. Any match causes the event to be
   // provisionally accepted.
   bool result = m_acceptAlgs.empty() ||
            std::any_of( std::begin(m_acceptAlgs), std::end(m_acceptAlgs), passed);
 
   // Loop over all Algorithms in the required list to see
   // whether all have been executed and have their filter
   // passed flag set. Any mismatch causes the event to be
   // rejected.
   if ( result && !m_requireAlgs.empty() ) {
     result = std::all_of( std::begin(m_requireAlgs), std::end(m_requireAlgs), passed);
   }
 
   // Loop over all Algorithms in the veto list to see
   // whether any have been executed and have their filter
   // passed flag set. Any match causes the event to be
   // rejected.
   if ( result && !m_vetoAlgs.empty() ) {
     result = std::none_of( std::begin(m_vetoAlgs), std::end(m_vetoAlgs), passed);
   }
   return result;
 }

void OutputStream::requireAlgsHandler ( Property & theProp )

protected

Handler for RequireAlgs Property.

Definition at line 520 of file OutputStream.cpp.

                                                     {
   StatusCode sc = decodeAlgorithms( m_requireNames, m_requireAlgs );
   if (sc.isFailure()) {
     throw GaudiException("Failure in OutputStream::decodeAlgorithms",
                          "OutputStream::requireAlgsHandler",sc);
   }
 }

IDataSelector* OutputStream::selectedObjects ( )

inlineprivate

Return the list of selected objects.

Definition at line 152 of file OutputStream.h.

152 { return &m_objects; }

OutputStream::m_objects

IDataSelector m_objects

Collection of objects being selected.

Definition: OutputStream.h:78

void OutputStream::vetoAlgsHandler ( Property & theProp )

protected

Handler for VetoAlgs Property.

Definition at line 534 of file OutputStream.cpp.

                                                  {
   StatusCode sc = decodeAlgorithms( m_vetoNames, m_vetoAlgs );
   if (sc.isFailure()) {
     throw GaudiException("Failure in OutputStream::decodeAlgorithms",
                          "OutputStream::vetoAlgsHandler",sc);
   }
 }

StatusCode OutputStream::writeObjects ( )

protectedvirtual

Select the different objects and write them to file.

Reimplemented in TagCollectionStream, and SequentialOutputStream.

Definition at line 199 of file OutputStream.cpp.

 {
   // Connect the output file to the service
   StatusCode status = collectObjects();
   if ( status.isSuccess() )
   {
     IDataSelector*  sel = selectedObjects();
     if ( sel->begin() != sel->end() )
     {
       status = m_pConversionSvc->connectOutput(m_outputName, m_outputType);
       if ( status.isSuccess() )
       {
         // Now pass the collection to the persistency service
         IOpaqueAddress* pAddress = nullptr;
         for ( auto& j : *sel )
         {
           try
           {
             const StatusCode iret = m_pConversionSvc->createRep( j, pAddress );
             if ( !iret.isSuccess() )
             {
               status = iret;
               continue;
             }
             IRegistry* pReg = j->registry();
             pReg->setAddress(pAddress);
           }
           catch ( const std::exception & excpt )
           {
             const std::string loc = ( j->registry() ?
                                       j->registry()->identifier() : "UnRegistered" );
             fatal()
                 << "std::exception during createRep for '" << loc << "' "
                 << System::typeinfoName( typeid(*j) )
                 << endmsg;
             fatal() << excpt.what() << endmsg;
             throw;
           }
         }
         for ( auto& j : *sel )
         {
           try
           {
             IRegistry* pReg = j->registry();
             const StatusCode iret = m_pConversionSvc->fillRepRefs( pReg->address(), j );
             if ( !iret.isSuccess() ) status = iret;
           }
           catch ( const std::exception & excpt )
           {
             const std::string loc = ( j->registry() ?
                                       j->registry()->identifier() : "UnRegistered" );
             fatal()
                 << "std::exception during fillRepRefs for '" << loc << "'"
                 << System::typeinfoName( typeid(*j) )
                 << endmsg;
             fatal() << excpt.what() << endmsg;
             throw;
           }
         }
         // Commit the data if there was no error; otherwise possibly discard
         if ( status.isSuccess() )
         {
           status = m_pConversionSvc->commitOutput(m_outputName, true);
         }
         else
         {
           m_pConversionSvc->commitOutput(m_outputName, false).ignore();
         }
       }
     }
   }
   return status;
 }

Member Data Documentation

std::vector<Algorithm*> OutputStream::m_acceptAlgs

protected

Vector of Algorithms that this stream accepts.

Definition at line 88 of file OutputStream.h.

StringArrayProperty OutputStream::m_acceptNames

protected

Vector of names of Algorithms that this stream accepts.

Definition at line 82 of file OutputStream.h.

std::unique_ptr<OutputStreamAgent> OutputStream::m_agent

protected

Keep reference of agent.

Definition at line 55 of file OutputStream.h.

AlgDependentItemNames OutputStream::m_algDependentItemList

protected

Mapping between algorithm names, and a list of items for which, if the algorithm in question accepted the event, they should be also stored.

Definition at line 74 of file OutputStream.h.

AlgDependentItems OutputStream::m_algDependentItems

protected

Items to be saved for specific algorithms.

Definition at line 76 of file OutputStream.h.

DataStoreItem* OutputStream::m_currentItem

protected

Keep track of the current item.

Definition at line 63 of file OutputStream.h.

bool OutputStream::m_doPreLoad

protected

Flag indicating whether data pre-loading should be performed.

Definition at line 39 of file OutputStream.h.

bool OutputStream::m_doPreLoadOpt

protected

Flag indicating whether optional items should be preloaded.

Definition at line 41 of file OutputStream.h.

int OutputStream::m_events

protected

Number of events written to this output stream.

Definition at line 80 of file OutputStream.h.

bool OutputStream::m_fireIncidents

protected

should I fire incidents for writing opening/closing etc?

Definition at line 125 of file OutputStream.h.

SmartIF<IIncidentSvc> OutputStream::m_incidentSvc

protected

Reference to the incident service.

Definition at line 37 of file OutputStream.h.

Items OutputStream::m_itemList

protected

Vector of items to be saved to this stream.

Definition at line 67 of file OutputStream.h.

ItemNames OutputStream::m_itemNames

protected

Vector of item names.

Definition at line 65 of file OutputStream.h.

IDataSelector OutputStream::m_objects

protected

Collection of objects being selected.

Definition at line 78 of file OutputStream.h.

Items OutputStream::m_optItemList

protected

Vector of optional items to be saved to this stream.

Definition at line 71 of file OutputStream.h.

ItemNames OutputStream::m_optItemNames

protected

Vector of item names.

Definition at line 69 of file OutputStream.h.

std::string OutputStream::m_output

protected

Name of the output file specification.

Definition at line 49 of file OutputStream.h.

std::string OutputStream::m_outputName

protected

Name of the output file.

Definition at line 51 of file OutputStream.h.

std::string OutputStream::m_outputType

protected

Output type: NEW(NEW,CREATE,WRITE,RECREATE), UPDATE)

Definition at line 53 of file OutputStream.h.

SmartIF<IConversionSvc> OutputStream::m_pConversionSvc

protected

Keep reference to the data conversion service.

Definition at line 61 of file OutputStream.h.

SmartIF<IDataManagerSvc> OutputStream::m_pDataManager

protected

Keep reference to the data manager service.

Definition at line 59 of file OutputStream.h.

SmartIF<IDataProviderSvc> OutputStream::m_pDataProvider

protected

Keep reference to the data provider service.

Definition at line 57 of file OutputStream.h.

std::string OutputStream::m_persName

protected

Name of the persistency service capable to write data from the store.

Definition at line 47 of file OutputStream.h.

std::vector<Algorithm*> OutputStream::m_requireAlgs

protected

Vector of Algorithms that this stream requires.

Definition at line 90 of file OutputStream.h.

StringArrayProperty OutputStream::m_requireNames

protected

Vector of names of Algorithms that this stream requires.

Definition at line 84 of file OutputStream.h.

std::string OutputStream::m_storeName

protected

Name of the service managing the data store.

Definition at line 45 of file OutputStream.h.

bool OutputStream::m_verifyItems

protected

Flag to indicate that item consistency should be checked.

Definition at line 43 of file OutputStream.h.

std::vector<Algorithm*> OutputStream::m_vetoAlgs

protected

Vector of Algorithms that this stream is vetoed by.

Definition at line 92 of file OutputStream.h.

StringArrayProperty OutputStream::m_vetoNames

protected

Vector of names of Algorithms that this stream is vetoed by.

Definition at line 86 of file OutputStream.h.

The documentation for this class was generated from the following files:

GaudiCommonSvc/src/PersistencySvc/OutputStream.h
GaudiCommonSvc/src/PersistencySvc/OutputStream.cpp

Public Types

Public Member Functions

Protected Member Functions

Protected Attributes

Private Member Functions

Detailed Description

Member Typedef Documentation

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation