Definition of class EventIterator. More...

#include <EventIterator.h>

Inheritance diagram for EvtSelectorContext:

Collaboration diagram for EvtSelectorContext:

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

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.

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.

                                { 
  }

Member Function Documentation

IEvtSelector::Context* EvtSelectorContext::context ( ) const [inline, protected]

Access "real" iterator.

Definition at line 78 of file EventIterator.h.

                                         {
    return m_context;
  }

IDataStreamTool::size_type EvtSelectorContext::decreaseCounters ( bool reset = false ) [inline, protected]

Decrease counters.

Definition at line 88 of file EventIterator.h.

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

virtual IDataStreamTool::size_type EvtSelectorContext::ID ( ) const [inline, virtual]

Stream identifier.

Definition at line 118 of file EventIterator.h.

                                                  {
    return m_streamID;
  }

void* EvtSelectorContext::identifier ( ) const [inline, virtual]

Implements IEvtSelector::Context.

Definition at line 129 of file EventIterator.h.

                            {
    return (void*)m_pSelector;
  }

IDataStreamTool::size_type EvtSelectorContext::increaseCounters ( bool reset = false ) [inline, protected]

Increase counters.

Definition at line 82 of file EventIterator.h.

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

long EvtSelectorContext::numEvent ( ) const [inline]

Access counter.

Definition at line 122 of file EventIterator.h.

                            {
    return m_count;
  }

long EvtSelectorContext::numStreamEvent ( ) const [inline]

Access counter within stream.

Definition at line 126 of file EventIterator.h.

                                  {
    return m_strCount;
  }

virtual EvtSelectorContext& EvtSelectorContext::operator= ( const EvtSelectorContext & copy ) [inline, virtual]

Copy constructor.

Definition at line 108 of file EventIterator.h.

                                                                          {
    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;
  }

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

Set the address of the iterator.

Definition at line 69 of file EventIterator.h.

                                                           {
    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.

                                  {
    m_pAddress = pA;
  }

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.

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