util::DataProductChangeTracker_t Class Reference

Detects the presence of a new event or data product. More...

#include "ChangeTrackers.h"

Inheritance diagram for util::DataProductChangeTracker_t:

Classes
struct	LocalState_t

Public Member Functions
	DataProductChangeTracker_t ()=default
	Default constructor: no current data product. More...
	DataProductChangeTracker_t (art::Event const &evt, art::InputTag const &label)
	Constructor: specifies current event and data product label. More...
	DataProductChangeTracker_t (art::EventID const &evt_id, art::InputTag const &label)
	Constructor: specifies current event ID and data product label. More...
	operator std::string () const
	Returns a string representation of event and data product label. More...
State query
Returns the current input label
art::InputTag const &	inputLabel () const
	Returns whether we are in the same event (the rest could differ) More...
bool	sameEvent (DataProductChangeTracker_t const &as) const
	Returns whether we are in the same event (the rest could differ) More...
bool	same (DataProductChangeTracker_t const &as) const
	Returns whether we have same data product as in "as". More...
bool	isValid () const
	Returns whether there is a current event and data product. More...
bool	operator== (DataProductChangeTracker_t const &as) const
	Returns whether the event and input label are the same as in "as". More...
bool	operator!= (DataProductChangeTracker_t const &than) const
	Returns whether the event or input label are different than in "than". More...
State change
Forget the current data product
void	clear ()
	Set a new event and data product label as current. More...
void	set (art::Event const &evt, art::InputTag const &label)
	Set a new event and data product label as current. More...
bool	update (DataProductChangeTracker_t const &new_prod)
	Update to a new data product, return true if it has changed. More...

Private Member Functions
void	SetInputLabel (art::InputTag const &label)
art::EventID const &	eventID () const
	Returns the current event ID (it might be made public...) More...
State query
Returns whether this tracker is in the same state as another
bool	same (EventChangeTracker_t const &as) const
	Returns whether this tracker is in the same state as another. More...
bool	operator== (EventChangeTracker_t const &as) const
	Returns whether this tracker is in the same state as another. More...
bool	operator!= (EventChangeTracker_t const &than) const
	Returns whether this tracker is in a different state than another. More...
State change
Forgets the current event
void	set (art::EventID const &evt_id)
	Sets the current event ID. More...
void	set (art::Event const &evt)
	Sets the current event ID from the given event. More...
bool	update (EventChangeTracker_t const &trk)
	Sets the current event, and returns true if it is changed. More...

Private Attributes
LocalState_t	state

Detailed Description

Detects the presence of a new event or data product.

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The state of this class describes the current data product input as the event it belongs to (by its ID) and the input tag.

Definition at line 109 of file ChangeTrackers.h.

Constructor & Destructor Documentation

util::DataProductChangeTracker_t::DataProductChangeTracker_t ( )

default

Default constructor: no current data product.

util::DataProductChangeTracker_t::DataProductChangeTracker_t ( art::Event const &  evt, art::InputTag const &  label  )

inline

Constructor: specifies current event and data product label.

Definition at line 115 of file ChangeTrackers.h.

      : EventChangeTracker_t(evt), state{label}
    {}

util::DataProductChangeTracker_t::DataProductChangeTracker_t ( art::EventID const &  evt_id, art::InputTag const &  label  )

inline

Constructor: specifies current event ID and data product label.

Definition at line 120 of file ChangeTrackers.h.

      : EventChangeTracker_t(evt_id), state{label}
    {}

Member Function Documentation

void util::DataProductChangeTracker_t::clear ( )

inline

Set a new event and data product label as current.

Definition at line 157 of file ChangeTrackers.h.

References util::EventChangeTracker_t::clear().

Referenced by util::PlaneDataChangeTracker_t::clear(), and evd::TWQProjectionView::OnNewEvent().

    {
      EventChangeTracker_t::clear();
      SetInputLabel(art::InputTag());
    }

art::EventID const& util::EventChangeTracker_t::eventID ( ) const

inlineprotectedinherited

Returns the current event ID (it might be made public...)

Definition at line 86 of file ChangeTrackers.h.

References util::EventChangeTracker_t::LocalState_t::event_id, and util::EventChangeTracker_t::state.

Referenced by util::EventChangeTracker_t::isValid(), util::EventChangeTracker_t::operator std::string(), and util::EventChangeTracker_t::same().

{ return state.event_id; }

art::InputTag const& util::DataProductChangeTracker_t::inputLabel ( ) const

inline

Returns whether we are in the same event (the rest could differ)

Definition at line 127 of file ChangeTrackers.h.

References util::EventChangeTracker_t::state.

Referenced by evd::details::RawDigitCacheDataClass::CheckUpToDate(), util::PlaneDataChangeTracker_t::PlaneDataChangeTracker_t(), same(), and evd::details::RawDigitCacheDataClass::Update().

{ return state.input_label; }

bool util::DataProductChangeTracker_t::isValid ( ) const

inline

Returns whether there is a current event and data product.

Definition at line 142 of file ChangeTrackers.h.

References util::EventChangeTracker_t::isValid().

Referenced by util::PlaneDataChangeTracker_t::isValid(), and evd::TWQProjectionView::OnNewEvent().

    {
      return EventChangeTracker_t::isValid() && !inputLabel().label().empty();
    }

util::DataProductChangeTracker_t::operator std::string ( ) const

inline

Returns a string representation of event and data product label.

Definition at line 181 of file ChangeTrackers.h.

    {
      return EventChangeTracker_t::operator std::string() + " I{" + inputLabel().encode() + "}";
    }

bool util::EventChangeTracker_t::operator!= ( EventChangeTracker_t const &  than ) const

inlineinherited

Returns whether this tracker is in a different state than another.

Definition at line 54 of file ChangeTrackers.h.

References util::EventChangeTracker_t::same().

{ return !same(than); }

bool util::DataProductChangeTracker_t::operator!= ( DataProductChangeTracker_t const &  than ) const

inline

Returns whether the event or input label are different than in "than".

Definition at line 151 of file ChangeTrackers.h.

References util::EventChangeTracker_t::same().

{ return !same(than); }

bool util::EventChangeTracker_t::operator== ( EventChangeTracker_t const &  as ) const

inlineinherited

Returns whether this tracker is in the same state as another.

Definition at line 51 of file ChangeTrackers.h.

References util::EventChangeTracker_t::same().

{ return same(as); }

bool util::DataProductChangeTracker_t::operator== ( DataProductChangeTracker_t const &  as ) const

inline

Returns whether the event and input label are the same as in "as".

Definition at line 148 of file ChangeTrackers.h.

References util::EventChangeTracker_t::same().

{ return same(as); }

bool util::EventChangeTracker_t::same ( EventChangeTracker_t const &  as ) const

inlineinherited

Returns whether this tracker is in the same state as another.

Definition at line 45 of file ChangeTrackers.h.

References util::EventChangeTracker_t::eventID().

Referenced by util::EventChangeTracker_t::operator!=(), operator!=(), util::PlaneDataChangeTracker_t::operator!=(), util::EventChangeTracker_t::operator==(), operator==(), util::PlaneDataChangeTracker_t::operator==(), sameEvent(), util::EventChangeTracker_t::update(), update(), and util::PlaneDataChangeTracker_t::update().

{ return as.eventID() == eventID(); }

bool util::DataProductChangeTracker_t::same ( DataProductChangeTracker_t const &  as ) const

inline

Returns whether we have same data product as in "as".

Definition at line 136 of file ChangeTrackers.h.

References inputLabel().

Referenced by util::PlaneDataChangeTracker_t::sameProduct().

    {
      return sameEvent(as) && (inputLabel() == as.inputLabel());
    }

bool util::DataProductChangeTracker_t::sameEvent ( DataProductChangeTracker_t const &  as ) const

inline

Returns whether we are in the same event (the rest could differ)

Definition at line 130 of file ChangeTrackers.h.

References util::EventChangeTracker_t::same().

    {
      return EventChangeTracker_t::same(as);
    }

void util::EventChangeTracker_t::set ( art::EventID const &  evt_id )

inlineinherited

Sets the current event ID.

Definition at line 63 of file ChangeTrackers.h.

References util::EventChangeTracker_t::LocalState_t::event_id, and util::EventChangeTracker_t::state.

Referenced by set().

{ state.event_id = evt_id; }

void util::EventChangeTracker_t::set ( art::Event const &  evt )

inlineinherited

Sets the current event ID from the given event.

Definition at line 66 of file ChangeTrackers.h.

References tca::evt.

{ set(evt.id()); }

void util::DataProductChangeTracker_t::set ( art::Event const &  evt, art::InputTag const &  label  )

inline

Set a new event and data product label as current.

Definition at line 164 of file ChangeTrackers.h.

References util::EventChangeTracker_t::set().

Referenced by util::PlaneDataChangeTracker_t::set().

    {
      EventChangeTracker_t::set(evt);
      SetInputLabel(label);
    }

void util::DataProductChangeTracker_t::SetInputLabel ( art::InputTag const &  label )

inlineprivate

Definition at line 193 of file ChangeTrackers.h.

References util::DataProductChangeTracker_t::LocalState_t::input_label.

{ state.input_label = label; }

bool util::EventChangeTracker_t::update ( EventChangeTracker_t const &  trk )

inlineinherited

Sets the current event, and returns true if it is changed.

Definition at line 69 of file ChangeTrackers.h.

References util::EventChangeTracker_t::same().

    {
      if (same(trk)) return false;
      *this = trk;
      return true;
    }

bool util::DataProductChangeTracker_t::update ( DataProductChangeTracker_t const &  new_prod )

inline

Update to a new data product, return true if it has changed.

Definition at line 171 of file ChangeTrackers.h.

References util::EventChangeTracker_t::same().

Referenced by evd::TWQProjectionView::OnNewEvent().

    {
      if (same(new_prod)) return false;
      *this = new_prod;
      return true;
    }

Member Data Documentation

LocalState_t util::DataProductChangeTracker_t::state

private

Definition at line 191 of file ChangeTrackers.h.

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

• lareventdisplay/v09_11_05/source/lareventdisplay/EventDisplay/ChangeTrackers.h