edm::Prescaler Class Reference

Inheritance diagram for edm::Prescaler:

List of all members.

Public Member Functions
void	endJob ()
virtual bool	filter (Event &e, EventSetup const &c)
	Prescaler (ParameterSet const &)
virtual	~Prescaler ()
Static Public Member Functions
static void	fillDescriptions (ConfigurationDescriptions &descriptions)
Private Attributes
int	count_
int	n_
int	offset_

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Detailed Description

Definition at line 9 of file Prescaler.cc.

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Constructor & Destructor Documentation

edm::Prescaler::Prescaler

(

ParameterSet const &

ps

)

[explicit]

Definition at line 24 of file Prescaler.cc.

                                             :
    count_(),
    n_(ps.getParameter<int>("prescaleFactor")),
    offset_(ps.getParameter<int>("prescaleOffset")) {
  }

edm::Prescaler::~Prescaler

(

)

[virtual]

Definition at line 30 of file Prescaler.cc.

                        {
  }

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Member Function Documentation

void edm::Prescaler::endJob

(

void

)

[virtual]

Reimplemented from edm::EDFilter.

Definition at line 38 of file Prescaler.cc.

                         {
  }

void edm::Prescaler::fillDescriptions

(

ConfigurationDescriptions &

descriptions

)

[static]

Reimplemented from edm::EDFilter.

Definition at line 42 of file Prescaler.cc.

References edm::ParameterSetDescription::add(), and edm::ConfigurationDescriptions::add().

                                                                     {
    ParameterSetDescription desc;
    desc.add<int>("prescaleFactor")->setComment("Accept one event every N events");
    desc.add<int>("prescaleOffset")->setComment("The first event to accept should be the Mth one. Choose 'prescaleFactor'=1 to accept the first event from the source.");
    descriptions.add("preScaler", desc);
  }

bool edm::Prescaler::filter	(	Event &	e,
		EventSetup const &	c
	)		[virtual]

Implements edm::EDFilter.

Definition at line 33 of file Prescaler.cc.

References count_, n_, and offset_.

                                                  {
    ++count_;
    return count_ % n_ == offset_ ? true : false;
  }

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Member Data Documentation

int edm::Prescaler::count_ [private]

Definition at line 19 of file Prescaler.cc.

Referenced by filter().

int edm::Prescaler::n_ [private]

Definition at line 20 of file Prescaler.cc.

Referenced by filter().

int edm::Prescaler::offset_ [private]

Definition at line 21 of file Prescaler.cc.

Referenced by filter().