Gaudi Framework, version v20r2
	Generated: 18 Jul 2008

EvtSelectorContext Class Reference

#include <EventIterator.h>

Inheritance diagram for EvtSelectorContext:

[legend]Collaboration diagram for EvtSelectorContext:

[legend]List of all members.

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Detailed Description

Definition of class EventIterator.

Generic iterator to access event on the persistent store. The iterator interacts with the event selection service.

History: +---------+----------------------------------------------+---------+ | Date | Comment | Who | +---------+----------------------------------------------+---------+ | 3/10/00 | Initial version | M.Frank | +---------+----------------------------------------------+---------+

Author:

Markus Frank

Version:

1.0

Definition at line 32 of file EventIterator.h.

Public Member Functions
	EvtSelectorContext (const IEvtSelector *selector)
	Standard constructor.
virtual	~EvtSelectorContext ()
	Standard Destructor.
virtual EvtSelectorContext &	operator= (const EvtSelectorContext &copy)
	Copy constructor.
virtual IDataStreamTool::size_type	ID () const
	Stream identifier.
long	numEvent () const
	Access counter.
long	numStreamEvent () const
	Access counter within stream.
void *	identifier () const
Protected Member Functions
void	set (const IEvtSelector *sel, IDataStreamTool::size_type id, IEvtSelector::Context *it, IOpaqueAddress *pA)
	Set the address of the iterator.
void	set (IEvtSelector::Context *it, IOpaqueAddress *pA)
	Set the address of the iterator.
void	set (IOpaqueAddress *pA)
	Set the address of the iterator.
IEvtSelector::Context *	context () const
	Access "real" iterator.
IDataStreamTool::size_type	increaseCounters (bool reset=false)
	Increase counters.
IDataStreamTool::size_type	decreaseCounters (bool reset=false)
	Decrease counters.
Protected Attributes
IDataStreamTool::size_type	m_streamID
	Stream identifier.
long	m_count
	Event counter.
long	m_strCount
	Event counter within stream.
const IEvtSelector *	m_pSelector
	Pointer to event selector.
IEvtSelector::Context *	m_context
	Pointer to "real" iterator.
IOpaqueAddress *	m_pAddress
	Pointer to opaque address.
Private Member Functions
	EvtSelectorContext (const EvtSelectorContext &copy)
	Copy constructor.
Friends
class	EventSelector
class	EventCollectionSelector

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Constructor & Destructor Documentation

EvtSelectorContext::EvtSelectorContext

(

const EvtSelectorContext &

copy

)

[inline, private]

Copy constructor.

Definition at line 38 of file EventIterator.h.

  : IEvtSelector::Context(copy),
    m_count(copy.m_count),
    m_strCount(copy.m_strCount),
    m_pSelector(copy.m_pSelector), 
    m_context(copy.m_context),
    m_pAddress(copy.m_pAddress)
  {
  }

EvtSelectorContext::EvtSelectorContext

(

const IEvtSelector *

selector

)

[inline]

Standard constructor.

Definition at line 95 of file EventIterator.h.

  : m_streamID(-1),
    m_count(-1),
    m_strCount(-1),
    m_pSelector(selector),
    m_context(0),
    m_pAddress(0)
  {
  }

virtual EvtSelectorContext::~EvtSelectorContext

(

)

[inline, virtual]

Standard Destructor.

Definition at line 105 of file EventIterator.h.

                                { 
  }

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Member Function Documentation

void EvtSelectorContext::set	(	const IEvtSelector *	sel,
		IDataStreamTool::size_type	id,
		IEvtSelector::Context *	it,
		IOpaqueAddress *	pA
	)			[inline, protected]

Set the address of the iterator.

Definition at line 61 of file EventIterator.h.

References m_context, m_pAddress, m_pSelector, m_strCount, and m_streamID.

Referenced by EventSelector::createContext(), EventSelector::firstOfNextStream(), EventSelector::lastOfPreviousStream(), EventSelector::next(), EventSelector::previous(), and EventSelector::rewind().

                                                                                                                 {
    m_pSelector = sel;
    m_context   = it;
    m_streamID  = id;
    m_pAddress  = pA;
    m_strCount  = -1;
  }

void EvtSelectorContext::set	(	IEvtSelector::Context *	it,
		IOpaqueAddress *	pA
	)			[inline, protected]

Set the address of the iterator.

Definition at line 69 of file EventIterator.h.

References m_context, and m_pAddress.

                                                           {
    m_context = it;
    m_pAddress = pA;
  }

void EvtSelectorContext::set

(

IOpaqueAddress *

pA

)

[inline, protected]

Set the address of the iterator.

Definition at line 74 of file EventIterator.h.

References m_pAddress.

                                  {
    m_pAddress = pA;
  }

IEvtSelector::Context* EvtSelectorContext::context

(

)

const [inline, protected]

Access "real" iterator.

Definition at line 78 of file EventIterator.h.

References m_context.

Referenced by EventSelector::firstOfNextStream(), EventSelector::lastOfPreviousStream(), EventSelector::next(), EventSelector::previous(), and EventSelector::printEvtInfo().

                                         {
    return m_context;
  }

IDataStreamTool::size_type EvtSelectorContext::increaseCounters

(

bool

reset = false

)

[inline, protected]

Increase counters.

Definition at line 82 of file EventIterator.h.

References m_count, and m_strCount.

Referenced by EventSelector::next(), and EventSelector::previous().

                                                                {
    m_count++;
    m_strCount = (reset) ? 0 : m_strCount+1;
    return m_count;
  }

IDataStreamTool::size_type EvtSelectorContext::decreaseCounters

(

bool

reset = false

)

[inline, protected]

Decrease counters.

Definition at line 88 of file EventIterator.h.

References m_count, and m_strCount.

                                                                {
    m_count++;
    m_strCount = (reset) ? 0 : m_strCount-1;
    return m_count;
  }

virtual EvtSelectorContext& EvtSelectorContext::operator=

(

const EvtSelectorContext &

copy

)

[inline, virtual]

Copy constructor.

Definition at line 108 of file EventIterator.h.

References m_context, m_count, m_pAddress, m_pSelector, m_strCount, and m_streamID.

                                                                          {
    m_streamID  = copy.m_streamID;
    m_count     = copy.m_count;
    m_strCount  = copy.m_strCount;
    m_pSelector = copy.m_pSelector;
    m_context   = copy.m_context;
    m_pAddress  = copy.m_pAddress;
    return *this;
  }

virtual IDataStreamTool::size_type EvtSelectorContext::ID

(

)

const [inline, virtual]

Stream identifier.

Definition at line 118 of file EventIterator.h.

References m_streamID.

Referenced by EventSelector::firstOfNextStream(), EventSelector::lastOfPreviousStream(), EventSelector::next(), EventSelector::previous(), and EventSelector::printEvtInfo().

                                                  {
    return m_streamID;
  }

long EvtSelectorContext::numEvent

(

)

const [inline]

Access counter.

Definition at line 122 of file EventIterator.h.

References m_count.

Referenced by EventSelector::printEvtInfo().

                            {
    return m_count;
  }

long EvtSelectorContext::numStreamEvent

(

)

const [inline]

Access counter within stream.

Definition at line 126 of file EventIterator.h.

References m_strCount.

Referenced by EventSelector::printEvtInfo().

                                  {
    return m_strCount;
  }

void* EvtSelectorContext::identifier

(

)

const [inline, virtual]

Implements IEvtSelector::Context.

Definition at line 129 of file EventIterator.h.

References m_pSelector.

                            {
    return (void*)m_pSelector;
  }

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Friends And Related Function Documentation

friend class EventSelector [friend]

Definition at line 34 of file EventIterator.h.

friend class EventCollectionSelector [friend]

Definition at line 35 of file EventIterator.h.

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Member Data Documentation

IDataStreamTool::size_type EvtSelectorContext::m_streamID [protected]

Stream identifier.

Definition at line 49 of file EventIterator.h.

Referenced by ID(), operator=(), and set().

long EvtSelectorContext::m_count [protected]

Event counter.

Definition at line 51 of file EventIterator.h.

Referenced by decreaseCounters(), increaseCounters(), numEvent(), and operator=().

long EvtSelectorContext::m_strCount [protected]

Event counter within stream.

Definition at line 53 of file EventIterator.h.

Referenced by decreaseCounters(), increaseCounters(), numStreamEvent(), operator=(), and set().

const IEvtSelector* EvtSelectorContext::m_pSelector [protected]

Pointer to event selector.

Definition at line 55 of file EventIterator.h.

Referenced by identifier(), operator=(), and set().

IEvtSelector::Context* EvtSelectorContext::m_context [protected]

Pointer to "real" iterator.

Definition at line 57 of file EventIterator.h.

Referenced by context(), operator=(), and set().

IOpaqueAddress* EvtSelectorContext::m_pAddress [protected]

Pointer to opaque address.

Definition at line 59 of file EventIterator.h.

Referenced by operator=(), and set().

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

• /afs/cern.ch/sw/Gaudi/releases/GAUDI/GAUDI_v20r2/GaudiSvc/v17r1/src/EventSelector/EventIterator.h

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