EM::EMObjectIterator Class Reference

Iterator that iterates a number of positions (normally all) on an EMObject. The object is created by EMObject::createIterator, and the next() function is called until no more positions can be found. More...

Inheritance diagram for EM::EMObjectIterator:

Public Member Functions
virtual	~EMObjectIterator ()
virtual int	approximateSize () const
virtual bool	canGoTo () const
virtual EM::PosID	goTo (od_int64)
virtual int	maximumSize () const
virtual EM::PosID	next ()=0

Protected Member Functions
	EMObjectIterator ()

Detailed Description

Iterator that iterates a number of positions (normally all) on an EMObject. The object is created by EMObject::createIterator, and the next() function is called until no more positions can be found.

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Constructor & Destructor Documentation

~EMObjectIterator()

virtual EM::EMObjectIterator::~EMObjectIterator ( )

virtual

EMObjectIterator()

EM::EMObjectIterator::EMObjectIterator ( )

protected

Member Function Documentation

approximateSize()

virtual int EM::EMObjectIterator::approximateSize ( ) const

inlinevirtual

canGoTo()

virtual bool EM::EMObjectIterator::canGoTo ( ) const

inlinevirtual

goTo()

virtual EM::PosID EM::EMObjectIterator::goTo ( od_int64  )

inlinevirtual

maximumSize()

virtual int EM::EMObjectIterator::maximumSize ( ) const

inlinevirtual

Reimplemented in EM::RowColIterator.

next()

virtual EM::PosID EM::EMObjectIterator::next ( )

pure virtual

posid.objectID()==-1 when there are no more pids

Implemented in EM::RowColIterator.