moab::VectorSetIterator Class Reference

#include <SetIterator.hpp>

Inheritance diagram for moab::VectorSetIterator:

Collaboration diagram for moab::VectorSetIterator:

Public Member Functions
virtual ErrorCode	get_next_arr (std::vector< EntityHandle > &arr, bool &atend)
	get the next chunkSize entities Return the next chunkSize entities.
virtual ErrorCode	reset ()
	reset the iterator to the beginning of the set
ErrorCode	decrement (int num)
	decrement the position by the specified number; returns MB_FAILURE if resulting index is < 0
Protected Member Functions
	VectorSetIterator (Core *core, EntityHandle eset, int chunk_sz, EntityType ent_tp, int ent_dim, bool check_valid=false)
	Constructor.
Private Attributes
int	iterPos
	Current iterator position, 0 if at beginning.
Friends
class	Core

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Detailed Description

Definition at line 153 of file SetIterator.hpp.

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Constructor & Destructor Documentation

moab::VectorSetIterator::VectorSetIterator	(	Core *	core,
		EntityHandle	eset,
		int	chunk_sz,
		EntityType	ent_tp,
		int	ent_dim,
		bool	check_valid = false
	)		[inline, protected]

Constructor.

Parameters:

core	MOAB Core instance
ent_set	EntitySet to which this iterator corresponds
chunk_size	Chunk size of this iterator
ent_type	Entity type for this iterator
ent_dim	Entity dimension for this iterator

Definition at line 179 of file SetIterator.hpp.

        : SetIterator( core, eset, chunk_sz, ent_tp, ent_dim, check_valid ), iterPos( 0 )
    {
    }

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Member Function Documentation

ErrorCode moab::VectorSetIterator::decrement

(

int

num

)

[inline]

decrement the position by the specified number; returns MB_FAILURE if resulting index is < 0

Definition at line 194 of file SetIterator.hpp.

References iterPos, and MB_SUCCESS.

{
    iterPos -= num;
    return ( iterPos < 0 ? MB_FAILURE : MB_SUCCESS );
}

ErrorCode moab::VectorSetIterator::get_next_arr	(	std::vector< EntityHandle > &	arr,
		bool &	atend
	)		[virtual]

get the next chunkSize entities Return the next chunkSize entities.

Parameters:

arr	Array of entities returned.
atend	Returns true if iterator is at the end of iterable values, otherwise false

Implements moab::SetIterator.

Definition at line 235 of file SetIterator.cpp.

References moab::SetIterator::checkValid, moab::SetIterator::chunkSize, moab::WriteUtilIface::CONTENTS, moab::CN::Dimension(), moab::SetIterator::entDimension, moab::SetIterator::entSet, moab::SetIterator::entType, ErrorCode, moab::WriteUtilIface::get_entity_list_pointers(), iface, moab::Core::is_valid(), iterPos, MB_SUCCESS, MBMAXTYPE, moab::SetIterator::myCore, moab::Interface::query_interface(), moab::Interface::release_interface(), and moab::TYPE_FROM_HANDLE().

{
    int count;
    const EntityHandle* ptr;
    WriteUtilIface* iface;
    Interface* mbImpl = dynamic_cast< Interface* >( myCore );
    ErrorCode rval    = mbImpl->query_interface( iface );
    if( MB_SUCCESS != rval ) return rval;

    rval = iface->get_entity_list_pointers( &entSet, 1, &ptr, WriteUtilIface::CONTENTS, &count );
    if( MB_SUCCESS != rval ) return rval;
    mbImpl->release_interface( iface );

    if( !count || iterPos >= count )
    {
        atend = true;
        return MB_SUCCESS;
    }

    std::vector< EntityHandle > tmp_arr;
    std::vector< EntityHandle >* tmp_ptr = &arr;
    if( checkValid ) tmp_ptr = &tmp_arr;

    // just get the next chunkSize entities, or as many as you can
    int this_ct = 0;
    while( this_ct < (int)chunkSize && iterPos < count )
    {
        if( ( MBMAXTYPE == entType || TYPE_FROM_HANDLE( ptr[iterPos] ) == entType ) &&
            ( -1 == entDimension || CN::Dimension( TYPE_FROM_HANDLE( ptr[iterPos] ) ) == entDimension ) )
        {
            arr.push_back( ptr[iterPos] );
            this_ct++;
        }
        iterPos++;
    }

    atend = ( iterPos == count );

    if( checkValid )
    {
        for( std::vector< EntityHandle >::iterator vit = tmp_ptr->begin(); vit != tmp_ptr->end(); ++vit )
        {
            if( myCore->is_valid( *vit ) ) arr.push_back( *vit );
        }
    }

    // step along list, adding entities
    return MB_SUCCESS;
}

ErrorCode moab::VectorSetIterator::reset

(

)

[virtual]

reset the iterator to the beginning of the set

Implements moab::SetIterator.

Definition at line 285 of file SetIterator.cpp.

References iterPos, and MB_SUCCESS.

{
    iterPos = 0;
    return MB_SUCCESS;
}

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Friends And Related Function Documentation

friend class Core [friend]

Reimplemented from moab::SetIterator.

Definition at line 156 of file SetIterator.hpp.

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Member Data Documentation

int moab::VectorSetIterator::iterPos [private]

Current iterator position, 0 if at beginning.

Definition at line 191 of file SetIterator.hpp.

Referenced by decrement(), get_next_arr(), and reset().

List of all members.

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

• SetIterator.hpp
• SetIterator.cpp