Dense storage of variable-length tag data. More...

#include <VarLenDenseTag.hpp>

Inheritance diagram for moab::VarLenDenseTag:

Public Member Functions
virtual	~VarLenDenseTag ()
virtual TagType	get_storage_type () const
virtual ErrorCode	release_all_data (SequenceManager seqman, Error error_handler, bool delete_pending)
	Remove/clear tag data for all entities.
virtual ErrorCode	get_data (const SequenceManager seqman, Error error_handler, const EntityHandle entities, size_t num_entities, void data) const
	Get tag value for passed entities.
virtual ErrorCode	get_data (const SequenceManager seqman, Error error_handler, const Range &entities, void *data) const
	Get tag value for passed entities.
virtual ErrorCode	get_data (const SequenceManager seqman, Error error_handler, const EntityHandle entities, size_t num_entities, const void data_ptrs, int data_lengths) const
	Get tag value for passed entities.
virtual ErrorCode	get_data (const SequenceManager seqman, Error error_handler, const Range &entities, const void *data_ptrs, int data_lengths) const
	Get tag value for passed entities.
virtual ErrorCode	set_data (SequenceManager seqman, Error error_handler, const EntityHandle entities, size_t num_entities, const void data)
	Set tag value for passed entities.
virtual ErrorCode	set_data (SequenceManager seqman, Error error_handler, const Range &entities, const void *data)
	Set tag value for passed entities.
virtual ErrorCode	set_data (SequenceManager seqman, Error error_handler, const EntityHandle entities, size_t num_entities, void const const data_ptrs, const int data_lengths)
	Set tag value for passed entities.
virtual ErrorCode	set_data (SequenceManager seqman, Error error_handler, const Range &entities, void const const data_ptrs, const int *data_lengths)
	Set tag value for passed entities.
virtual ErrorCode	clear_data (SequenceManager seqman, Error error_handler, const EntityHandle entities, size_t num_entities, const void value_ptr, int value_len=0)
	Set tag value for passed entities.
virtual ErrorCode	clear_data (SequenceManager seqman, Error error_handler, const Range &entities, const void *value_ptr, int value_len=0)
	Set tag value for passed entities.
virtual ErrorCode	remove_data (SequenceManager seqman, Error error_handler, const EntityHandle *entities, size_t num_entities)
	Remove/clear tag data for entities.
virtual ErrorCode	remove_data (SequenceManager seqman, Error error_handler, const Range &entities)
	Remove/clear tag data for entities.
virtual ErrorCode	tag_iterate (SequenceManager seqman, Error error_handler, Range::iterator &iter, const Range::iterator &end, void *&data_ptr, bool allocate)
	Access tag data via direct pointer into contiguous blocks.
virtual ErrorCode	get_tagged_entities (const SequenceManager seqman, Range &output_entities, EntityType type=MBMAXTYPE, const Range intersect=0) const
	Get all tagged entities.
virtual ErrorCode	num_tagged_entities (const SequenceManager seqman, size_t &output_count, EntityType type=MBMAXTYPE, const Range intersect=0) const
	Count all tagged entities.
virtual ErrorCode	find_entities_with_value (const SequenceManager seqman, Error error, Range &output_entities, const void value, int value_bytes=0, EntityType type=MBMAXTYPE, const Range intersect_entities=0) const
	Get all tagged entities with tag value.
virtual bool	is_tagged (const SequenceManager *, EntityHandle h) const
	Check if entity is tagged.
virtual ErrorCode	get_memory_use (const SequenceManager *seqman, unsigned long &total, unsigned long &per_entity) const
	Get memory use for tag data.
Static Public Member Functions
static VarLenDenseTag *	create_tag (SequenceManager seqman, Error error_handler, const char name, DataType type, const void default_value, int default_value_len)
Private Member Functions
	VarLenDenseTag (int array_index, const char name, DataType type, const void default_value, int default_value_len)
	VarLenDenseTag (const VarLenDenseTag &)
VarLenDenseTag &	operator= (const VarLenDenseTag &)
ErrorCode	get_array (SequenceManager seqman, Error error_handler, EntityHandle h, VarLenTag *&ptr, size_t &count, bool allocate)
	Get or allocated tag storage.
ErrorCode	get_array (const SequenceManager seqman, Error error_handler, EntityHandle h, const VarLenTag *&ptr, size_t &count) const
	Get tag storage.
ErrorCode	set_data (SequenceManager seqman, Error error_handler, const EntityHandle entities, size_t num_entities, bool one_value, void const const pointers, const int lengths)
	Common implementation of set_data, and clear_data.
ErrorCode	set_data (SequenceManager seqman, Error error_handler, const Range &entities, bool one_value, void const const pointers, const int *lengths)
	Common implementation of set_data, and clear_data.
Private Attributes
int	mySequenceArray
	Array index in SequenceManager used to store tag data.
VarLenTag	meshValue

Detailed Description

Dense storage of variable-length tag data.

Implement variable-length dense tag.

Definition at line 20 of file VarLenDenseTag.hpp.

Constructor & Destructor Documentation

moab::VarLenDenseTag::VarLenDenseTag	(	int	array_index,
		const char *	name,
		DataType	type,
		const void *	default_value,
		int	default_value_len
	)		`[private]`

Definition at line 40 of file VarLenDenseTag.cpp.

  : TagInfo( name, MB_VARIABLE_LENGTH, type, default_value, default_value_size ), 
    mySequenceArray(index)
  {}

moab::VarLenDenseTag::~VarLenDenseTag ( ) [virtual]

Definition at line 64 of file VarLenDenseTag.cpp.

{
  assert( mySequenceArray < 0 );
}

moab::VarLenDenseTag::VarLenDenseTag ( const VarLenDenseTag & ) [private]

Member Function Documentation

ErrorCode moab::VarLenDenseTag::clear_data	(	SequenceManager *	seqman,
		Error *	error_handler,
		const EntityHandle *	entities,
		size_t	num_entities,
		const void *	value_ptr,
		int	value_len = `0`
	)		`[virtual]`

Set tag value for passed entities.

Store tag data or update stored tag values.

Parameters:

seqman	Pointer to mesh entity database
entities	Entity handles for which to store tag data
num_entities	Length of `entities` array
value_ptr	Pointer to a single tag value which is to be stored for each of the passed entities.
value_len	Length of tag value in bytes. Ignored for fixed-length tags. Required for variable- length tags.

Implements moab::TagInfo.

Definition at line 381 of file VarLenDenseTag.cpp.

{ 
  if (!value_ptr || !value_len)
    return remove_data( seqman, error, entities, num_entities );
  else
    return set_data( seqman, error, entities, num_entities, true, &value_ptr, &value_len );
}

ErrorCode moab::VarLenDenseTag::clear_data	(	SequenceManager *	seqman,
		Error *	error_handler,
		const Range &	entities,
		const void *	value_ptr,
		int	value_len = `0`
	)		`[virtual]`

Set tag value for passed entities.

Store tag data or update stored tag values.

Parameters:

seqman	Pointer to mesh entity database
entities	Entity handles for which to store tag data
value_ptr	Pointer to a single tag value which is to be stored for each of the passed entities.
value_len	Length of tag value in bytes. Ignored for fixed-length tags. Required for variable- length tags.

Implements moab::TagInfo.

Definition at line 394 of file VarLenDenseTag.cpp.

{
  if (!value_ptr || !value_len)
    return remove_data( seqman, error, entities );
  else
    return set_data( seqman, error, entities, true, &value_ptr, &value_len );
}

VarLenDenseTag * moab::VarLenDenseTag::create_tag	(	SequenceManager *	seqman,
		Error *	error_handler,
		const char *	name,
		DataType	type,
		const void *	default_value,
		int	default_value_len
	)		`[static]`

Definition at line 49 of file VarLenDenseTag.cpp.

{
  int index; 
  if (MB_SUCCESS != seqman->reserve_tag_array( error, MB_VARIABLE_LENGTH, index ))
    return 0;
  
  return new VarLenDenseTag( index, name, type, default_value, default_value_size );
}

ErrorCode moab::VarLenDenseTag::find_entities_with_value	(	const SequenceManager *	seqman,
		Error *	error,
		Range &	output_entities,
		const void *	value,
		int	value_bytes = `0`,
		EntityType	type = `MBMAXTYPE`,
		const Range *	intersect_entities = `0`
	)		const `[virtual]`

Get all tagged entities with tag value.

Get the list of entities which have the specified tag value.

Parameters:

seqman	Pointer to entity storage database
output_entities	Results appended to this range
value	Pointer to tag value
value_bytes	Size of tag value in bytes.
type	Optional entity type. If specified, search is limited to entities of specified type.
intersect_entities	Opotional intersect list. If specified, search is restricted to entities in this list.

Implements moab::TagInfo.

Definition at line 565 of file VarLenDenseTag.cpp.

{
  if (!intersect_entities) {
    std::pair<EntityType,EntityType> range = type_range(type);
    TypeSequenceManager::const_iterator i;
    for (EntityType t = range.first; t != range.second; ++i) {
      const TypeSequenceManager& map = seqman->entity_map(t);
      for (i = map.begin(); i != map.end(); ++i) {
        const void* data = (*i)->data()->get_tag_data( mySequenceArray );
        if (data) {
          ByteArrayIterator start( (*i)->data()->start_handle(), data, *this );
          ByteArrayIterator end( (*i)->end_handle() + 1, 0, 0 );
          start += (*i)->start_handle() - (*i)->data()->start_handle();
          find_tag_varlen_values_equal( *this, value, value_bytes, start, end, output_entities );
        }
      }
    }
  }
  else {
    const VarLenTag* array;
    size_t count;
    ErrorCode rval;
     
    Range::const_pair_iterator p = intersect_entities->begin();
    if (type != MBMAXTYPE) {
      p = intersect_entities->lower_bound(type);
      assert(TYPE_FROM_HANDLE(p->first) == type);
    }
    for (; 
         p != intersect_entities->const_pair_end() && 
         (MBMAXTYPE == type || TYPE_FROM_HANDLE(p->first) == type); 
         ++p) {

      EntityHandle start = p->first;
      while (start <= p->second) {
        rval = get_array( seqman, error, start, array, count );
        if (MB_SUCCESS != rval)
          return rval; 
        
        if (p->second - start < count-1)
          count = p->second - start + 1;
        
        if (array) {
          ByteArrayIterator istart( start, array, *this );
          ByteArrayIterator iend( start+count, 0, 0 );
          find_tag_varlen_values_equal( *this, value, value_bytes, istart, iend, output_entities );
        }
        start += count;
      }
    }
  }    
  
  return MB_SUCCESS;
}

ErrorCode moab::VarLenDenseTag::get_array	(	SequenceManager *	seqman,
		Error *	error_handler,
		EntityHandle	h,
		VarLenTag *&	ptr,
		size_t &	count,
		bool	allocate
	)		`[inline, private]`

Get or allocated tag storage.

Parameters:

h	First entity for which to return storage.
ptr	Pointer to dag storage. This pointer will be set to null and `MB_SUCCESS` will be returned if the handle is valid but no tag storage has been allocated.
count	Number of consecutive entities for which tag storage is returned. This value will be valid even if null is returned for `ptr` and indicates the number of consecutive entities for which no tag storage has been allocated.
allocate	If true storage will be allocated and initialized if it has not already been allocated.

Returns:: MB_SUCCESS if handle is valid (regardless of whether or not any tag storage is allocated).

Definition at line 117 of file VarLenDenseTag.cpp.

{
  EntitySequence* seq = 0;
  ErrorCode rval = seqman->find( h, seq );
  if (MB_SUCCESS != rval) {
    if (!h) { // root set
      ptr = &meshValue;
      count = 1;
      return MB_SUCCESS;
    }
    else {
      ptr = 0;
      count = 0;
      return not_found( error, get_name(), h );
    }
  }
  
  void* mem = seq->data()->get_tag_data( mySequenceArray );
  if (!mem && allocate) {
    mem = seq->data()->allocate_tag_array( mySequenceArray, sizeof(VarLenTag) );
    if (!mem) {
      error->set_last_error( "Memory allocation for var-len tag data failed" );
      return MB_MEMORY_ALLOCATION_FAILED;
    }
    
    memset( mem, 0, sizeof(VarLenTag) * seq->data()->size() );
  }
  
  ptr = reinterpret_cast<VarLenTag*>(mem);
  count = seq->data()->end_handle() - h + 1;
  if (ptr)
    ptr += h - seq->data()->start_handle();
  return MB_SUCCESS;

}

ErrorCode moab::VarLenDenseTag::get_array	(	const SequenceManager *	seqman,
		Error *	error_handler,
		EntityHandle	h,
		const VarLenTag *&	ptr,
		size_t &	count
	)		const `[inline, private]`

Get tag storage.

Parameters:

h	First entity for which to return storage.
ptr	Pointer to dag storage. This pointer will be set to null and `MB_SUCCESS` will be returned if the handle is valid but no tag storage has been allocated.
count	Number of consecutive entities for which tag storage is returned. This value will be valid even if null is returned for `ptr` and indicates the number of consecutive entities for which no tag storage has been allocated.

Returns:: MB_SUCCESS if handle is valid (regardless of whether or not any tag storage is allocated).

Definition at line 87 of file VarLenDenseTag.cpp.

{
  const EntitySequence* seq = 0;
  ErrorCode rval = seqman->find( h, seq );
  if (MB_SUCCESS != rval) {
    if (!h) { // root set
      ptr = &meshValue;
      count = 1;
      return MB_SUCCESS;
    }
    else {
      ptr = 0;
      count = 0;
      return not_found( error, get_name(), h );
    }
  }
  
  const void* mem = seq->data()->get_tag_data( mySequenceArray );
  ptr = reinterpret_cast<const VarLenTag*>(mem);
  count = seq->data()->end_handle() - h + 1;
  if (ptr)
    ptr += h - seq->data()->start_handle();

  return MB_SUCCESS;
}

ErrorCode moab::VarLenDenseTag::get_data	(	const SequenceManager *	seqman,
		Error *	error_handler,
		const EntityHandle *	entities,
		size_t	num_entities,
		void *	data
	)		const `[virtual]`

Get tag value for passed entities.

Get tag values for specified entities.

Will fail for variable-length data.

Parameters:

seqman	Pointer to mesh entity database
entities	Entity handles for which to retrieve tag data
num_entities	Length of `entities` array
data	Pointer to memory in which to store consecutive tag values, one for each passed entity.

Implements moab::TagInfo.

Definition at line 158 of file VarLenDenseTag.cpp.

{
  return not_var_len(error, get_name());
}

ErrorCode moab::VarLenDenseTag::get_data	(	const SequenceManager *	seqman,
		Error *	error_handler,
		const Range &	entities,
		void *	data
	)		const `[virtual]`

Get tag value for passed entities.

Get tag values for specified entities.

Will fail for variable-length data.

Parameters:

seqman	Pointer to mesh entity database
entities	Entity handles for which to retrieve tag data
data	Pointer to memory in which to store consecutive tag values, one for each passed entity.

Implements moab::TagInfo.

Definition at line 168 of file VarLenDenseTag.cpp.

{
  return not_var_len(error, get_name());
}

ErrorCode moab::VarLenDenseTag::get_data	(	const SequenceManager *	seqman,
		Error *	error_handler,
		const EntityHandle *	entities,
		size_t	num_entities,
		const void **	data_ptrs,
		int *	data_lengths
	)		const `[virtual]`

Get tag value for passed entities.

Get tag values for specified entities.

Parameters:

seqman	Pointer to mesh entity database
entities	Entity handles for which to retrieve tag data
num_entities	Length of `entities` array
data_ptrs	Array of pointers to tag values, one pointer for each passed entity.
data_lengths	One value for each entity specifying the length of the tag value for the corresponding entity.

Implements moab::TagInfo.

Definition at line 176 of file VarLenDenseTag.cpp.

{
  if (!lengths)
    return not_var_len(error, get_name());

  ErrorCode result = MB_SUCCESS, rval;
  const EntityHandle *const end = entities + num_entities;
  size_t junk;
  const VarLenTag* ptr;

  for (const EntityHandle* i = entities; i != end; ++i, ++pointers, ++lengths) {
    rval = get_array( seqman, error, *i, ptr, junk );
    if (MB_SUCCESS != rval) 
      return rval;
  
    if (ptr && ptr->size()) {
      *pointers = ptr->data();
      *lengths = ptr->size();
    }
    else if (get_default_value()) {
      *pointers = get_default_value();
      *lengths = get_default_value_size();
    }
    else {
      *pointers = 0;
      *lengths = 0;
      result = not_found( error, get_name(), *i );;
    }
  }
  
  return result;
}

ErrorCode moab::VarLenDenseTag::get_data	(	const SequenceManager *	seqman,
		Error *	error_handler,
		const Range &	entities,
		const void **	data_ptrs,
		int *	data_lengths
	)		const `[virtual]`

Get tag value for passed entities.

Get tag values for specified entities.

Parameters:

seqman	Pointer to mesh entity database
entities	Entity handles for which to retrieve tag data
data_ptrs	Array of pointers to tag values, one pointer for each passed entity.
data_lengths	One value for each entity specifying the length of the tag value for the corresponding entity.

Implements moab::TagInfo.

Definition at line 215 of file VarLenDenseTag.cpp.

{
  if (!lengths)
    return not_var_len(error, get_name());

  ErrorCode rval;
  size_t avail;
  const VarLenTag* array = 0;
  
  for (Range::const_pair_iterator p = entities.const_pair_begin(); 
       p != entities.const_pair_end(); ++p) {
       
    EntityHandle start = p->first;
    while (start <= p->second) {
      rval = get_array( seqman, error, start, array, avail );
      if (MB_SUCCESS != rval) 
        return rval;
      
      const size_t count = std::min<size_t>(p->second - start + 1, avail);

      if (!array) {
        const void* defval = get_default_value();
        const int len = get_default_value_size();
        SysUtil::setmem( pointers, &defval, sizeof(void*), count );
        SysUtil::setmem( lengths, &len, sizeof(int), count );
        pointers += count;
        lengths += count;
        if (!defval)
          return not_found( error, get_name(), start );
      }
      
      const VarLenTag* end_data = array + count;
      while (array != end_data) {
        if (array->size()) {
          *pointers = array->data();
          *lengths = array->size();
        }
        else if (get_default_value()) {
          *pointers = get_default_value();
          *lengths = get_default_value_size();
        }
        else {
          *pointers = 0;
          *lengths = 0;
          return not_found( error, get_name(), start );
        }
        ++pointers;
        ++lengths;
        ++array;
        ++start;
      }
    }
  }
  
  return MB_SUCCESS;
}

ErrorCode moab::VarLenDenseTag::get_memory_use	(	const SequenceManager *	seqman,
		unsigned long &	total,
		unsigned long &	per_entity
	)		const `[virtual]`

Get memory use for tag data.

Implements moab::TagInfo.

Definition at line 634 of file VarLenDenseTag.cpp.

{
  total = 0;
  per_entity = 0;
  size_t count = 0;
  for (EntityType t = MBVERTEX; t <= MBENTITYSET; ++t) {
    const TypeSequenceManager& map = seqman->entity_map(t);
    const SequenceData* prev_data = 0;
    for (TypeSequenceManager::const_iterator i = map.begin(); i != map.end(); ++i) {
      const void* mem = (*i)->data()->get_tag_data(mySequenceArray);
      if (!mem) 
        continue;
      
      if ((*i)->data() != prev_data) {
        total += (*i)->data()->size();
        prev_data = (*i)->data();
      }
      
      count += (*i)->size();
      const VarLenTag* array = reinterpret_cast<const VarLenTag*>(mem);
      for (int j = 0; j < (*i)->size(); ++j)
        per_entity += array[j].mem();
    }
  }
  total *= sizeof(VarLenTag);
  total += per_entity + sizeof(*this) + TagInfo::get_memory_use();
  total += meshValue.mem() + sizeof(meshValue);
  if (count)
    per_entity /= count;
  per_entity += sizeof(VarLenTag);
      
  return MB_SUCCESS;
}

TagType moab::VarLenDenseTag::get_storage_type ( ) const [virtual]

Implements moab::TagInfo.

Definition at line 69 of file VarLenDenseTag.cpp.

  { return MB_TAG_DENSE; }

ErrorCode moab::VarLenDenseTag::get_tagged_entities	(	const SequenceManager *	seqman,
		Range &	output_entities,
		EntityType	type = `MBMAXTYPE`,
		const Range *	intersect = `0`
	)		const `[virtual]`

Get all tagged entities.

Get the list of entities for which the a tag value has been set, or a close approximation if the tag storage scheme cannot accurately determine exactly which entities have explicit values.

Parameters:

seqman	Pointer to entity storage database
output_entities	Results appended to this range
type	Optional entity type. If specified, search is limited to entities of specified type.
intersect	Opotional intersect list. If specified, search is restricted to entities in this list.

Implements moab::TagInfo.

Definition at line 546 of file VarLenDenseTag.cpp.

{
  return get_tagged( seqman, mySequenceArray, entities, type, intersect );
}

bool moab::VarLenDenseTag::is_tagged	(	const SequenceManager *	seqman,
		EntityHandle	h
	)		const `[virtual]`

Check if entity is tagged.

Implements moab::TagInfo.

Definition at line 626 of file VarLenDenseTag.cpp.

{
  const VarLenTag* ptr;
  size_t count;
  return MB_SUCCESS == get_array( seqman, 0, h, ptr, count ) 
          && 0 != ptr && 0 != ptr->data();
}

ErrorCode moab::VarLenDenseTag::num_tagged_entities	(	const SequenceManager *	seqman,
		size_t &	output_count,
		EntityType	type = `MBMAXTYPE`,
		const Range *	intersect = `0`
	)		const `[virtual]`

Count all tagged entities.

Count the entities for which the a tag value has been set, or a close approximation if the tag storage scheme cannot accurately determine exactly which entities have explicit values.

Parameters:

seqman	Pointer to entity storage database
output_count	This is incremented for each detected entity.
type	Optional entity type. If specified, search is limited to entities of specified type.
intersect	Opotional intersect list. If specified, search is restricted to entities in this list.

Implements moab::TagInfo.

Definition at line 554 of file VarLenDenseTag.cpp.

{
  InsertCount counter( output_count );
  ErrorCode rval = get_tagged( seqman, mySequenceArray, counter, type, intersect );
  output_count = counter.end();
  return rval;
}

VarLenDenseTag& moab::VarLenDenseTag::operator= ( const VarLenDenseTag & ) [private]

ErrorCode moab::VarLenDenseTag::release_all_data	(	SequenceManager *	seqman,
		Error *	error_handler,
		bool	delete_pending
	)		`[virtual]`

Remove/clear tag data for all entities.

Remove tag values from entities.

Parameters:

delete_pending If true, then release any global data associated with the tag in preparation for deleting the tag itself.

Invalidates tag if tag_delete_pending is true. The only valid method that can be invoked that is is the destructor.

Parameters:

seqman Pointer to mesh entity database

Implements moab::TagInfo.

Definition at line 72 of file VarLenDenseTag.cpp.

{
  Range all_ents;
  seqman->get_entities( all_ents );
  ErrorCode rval = remove_data( seqman, error, all_ents );
  if (MB_SUCCESS == rval) {
    rval = seqman->release_tag_array( error, mySequenceArray, delete_pending );
    if (MB_SUCCESS == rval && delete_pending)
      mySequenceArray = -1;
  }
  return rval;
}

ErrorCode moab::VarLenDenseTag::remove_data	(	SequenceManager *	seqman,
		Error *	error_handler,
		const EntityHandle *	entities,
		size_t	num_entities
	)		`[virtual]`

Remove/clear tag data for entities.

Remove tag values from entities.

Parameters:

seqman	Pointer to mesh entity database
entities	Entity handles for which to store tag data
num_entities	Length of `entities` array

Implements moab::TagInfo.

Definition at line 406 of file VarLenDenseTag.cpp.

{
  const EntityHandle* const end = entities + num_entities;
  VarLenTag* array;
  size_t junk;
  ErrorCode rval;
  
  for (const EntityHandle* i = entities; i != end; ++i ) {
    rval = get_array( seqman, error, *i, array, junk, false );
    if (MB_SUCCESS != rval)
      return rval;
    
    if (array) 
      array->clear();
  }

  return MB_SUCCESS;
}

ErrorCode moab::VarLenDenseTag::remove_data	(	SequenceManager *	seqman,
		Error *	error_handler,
		const Range &	entities
	)		`[virtual]`

Remove/clear tag data for entities.

Remove tag values from entities.

Parameters:

seqman	Pointer to mesh entity database
entities	Entity handles for which to store tag data

Implements moab::TagInfo.

Definition at line 428 of file VarLenDenseTag.cpp.

{
  VarLenTag* array;
  size_t avail;
  ErrorCode rval;

  for (Range::const_pair_iterator p = entities.const_pair_begin(); 
       p != entities.const_pair_end(); ++p) {
       
    EntityHandle start = p->first;
    while (start <= p->second) {
      rval = get_array( seqman, error, start, array, avail, false );
      if (MB_SUCCESS != rval)
        return rval;
      
      const EntityHandle end = std::min<EntityHandle>(p->second + 1, start + avail );
      if (array) {
        while (start != end) {
          array->clear();
          ++start;
          ++array;
        }
      }
      else {
        start = end;
      }
    }
  }
  
  return MB_SUCCESS;
}

ErrorCode moab::VarLenDenseTag::set_data	(	SequenceManager *	seqman,
		Error *	error_handler,
		const EntityHandle *	entities,
		size_t	num_entities,
		const void *	data
	)		`[virtual]`

Set tag value for passed entities.

Store tag data or update stored tag values Will fail for variable-length data.

Parameters:

seqman	Pointer to mesh entity database
entities	Entity handles for which to store tag data
num_entities	Length of `entities` array
data	Pointer to memory holding consecutive tag values, one for each passed entity.

Implements moab::TagInfo.

Definition at line 276 of file VarLenDenseTag.cpp.

{
  return not_var_len(error, get_name());
}

ErrorCode moab::VarLenDenseTag::set_data	(	SequenceManager *	seqman,
		Error *	error_handler,
		const Range &	entities,
		const void *	data
	)		`[virtual]`

Set tag value for passed entities.

Store tag data or update stored tag values Will fail for variable-length data.

Parameters:

seqman	Pointer to mesh entity database
entities	Entity handles for which to store tag data
data	Pointer to memory holding consecutive tag values, one for each passed entity.

Implements moab::TagInfo.

Definition at line 285 of file VarLenDenseTag.cpp.

{
  return not_var_len(error, get_name());
}

ErrorCode moab::VarLenDenseTag::set_data	(	SequenceManager *	seqman,
		Error *	error_handler,
		const EntityHandle *	entities,
		size_t	num_entities,
		void const const	data_ptrs,
		const int *	data_lengths
	)		`[virtual]`

Set tag value for passed entities.

Store tag data or update stored tag values

Parameters:

seqman	Pointer to mesh entity database
entities	Entity handles for which to store tag data
num_entities	Length of `entities` array
data_ptrs	Array of pointers to tag values, one pointer for each passed entity.
data_lengths	One value for each entity specifying the length of the tag value for the corresponding entity. Array is required for variable-length tags and is ignored for fixed-length tags.

Implements moab::TagInfo.

Definition at line 361 of file VarLenDenseTag.cpp.

{
  return set_data( seqman, error, entities, num_entities, false, pointers, lengths );
}

ErrorCode moab::VarLenDenseTag::set_data	(	SequenceManager *	seqman,
		Error *	error_handler,
		const Range &	entities,
		void const const	data_ptrs,
		const int *	data_lengths
	)		`[virtual]`

Set tag value for passed entities.

Store tag data or update stored tag values

Parameters:

seqman	Pointer to mesh entity database
entities	Entity handles for which to store tag data
data_ptrs	Array of pointers to tag values, one pointer for each passed entity.
data_lengths	One value for each entity specifying the length of the tag value for the corresponding entity. Array is required for variable-length tags and is ignored for fixed-length tags.

Implements moab::TagInfo.

Definition at line 372 of file VarLenDenseTag.cpp.

{
  return set_data( seqman, error, entities, false, pointers, lengths );
}

ErrorCode moab::VarLenDenseTag::set_data	(	SequenceManager *	seqman,
		Error *	error_handler,
		const EntityHandle *	entities,
		size_t	num_entities,
		bool	one_value,
		void const const	pointers,
		const int *	lengths
	)		`[inline, private]`

Common implementation of set_data, and clear_data.

Parameters:

allocate	If false and no storage is currently allocated for an entity then leave entity tag unallocated.
one_value	If true, pointers and lengths are assumed to be arrays of length 1 and all entities are set to the corresponding value

Definition at line 293 of file VarLenDenseTag.cpp.

{
  ErrorCode rval = validate_lengths( error, lengths, one_value ?  1 : num_entities );
  if (MB_SUCCESS != rval)
    return rval;
  
  const EntityHandle* const end = entities + num_entities;
  VarLenTag* array;
  size_t junk;
  const size_t step = one_value ? 0 : 1;
  
  for (const EntityHandle* i = entities; i != end; ++i ) {
    rval = get_array( seqman, error, *i, array, junk, true );
    if (MB_SUCCESS != rval)
      return rval;
    
    array->set( *pointers, *lengths );
    pointers += step;
    lengths += step;
  }

  return MB_SUCCESS;
}

ErrorCode moab::VarLenDenseTag::set_data	(	SequenceManager *	seqman,
		Error *	error_handler,
		const Range &	entities,
		bool	one_value,
		void const const	pointers,
		const int *	lengths
	)		`[inline, private]`

Common implementation of set_data, and clear_data.

Parameters:

allocate	If false and no storage is currently allocated for an entity then leave entity tag unallocated.
one_value	If true, pointers and lengths are assumed to be arrays of length 1 and all entities are set to the corresponding value

Definition at line 323 of file VarLenDenseTag.cpp.

{
  ErrorCode rval = validate_lengths( error, lengths, one_value ?  1 : entities.size() );
  if (MB_SUCCESS != rval)
    return rval;
  
  VarLenTag* array;
  size_t avail;
  const size_t step = one_value ? 0 : 1;

  for (Range::const_pair_iterator p = entities.const_pair_begin(); 
       p != entities.const_pair_end(); ++p) {
       
    EntityHandle start = p->first;
    while (start <= p->second) {
      rval = get_array( seqman, error, start, array, avail, true );
      if (MB_SUCCESS != rval)
        return rval;
      
      const EntityHandle end = std::min<EntityHandle>(p->second + 1, start + avail );
      while (start != end) {
        array->set( *pointers, *lengths );
        ++start;
        ++array;
        pointers += step;
        lengths += step;
      }
    }
  }
  
  return MB_SUCCESS;
}

ErrorCode moab::VarLenDenseTag::tag_iterate	(	SequenceManager *	seqman,
		Error *	error_handler,
		Range::iterator &	iter,
		const Range::iterator &	end,
		void *&	data_ptr,
		bool	allocate
	)		`[virtual]`

Access tag data via direct pointer into contiguous blocks.

Iteratively obtain direct access to contiguous blocks of tag storage. This function cannot be used with bit tags because of the compressed bit storage. This function cannot be used with variable length tags because it does not provide a mechanism to determine the length of the value for each entity. This function may be used with sparse tags, but if it is used, it will return data for a single entity at a time.

Parameters:

iter	As input, the first entity for which to return data. As output, one past the last entity for which data was returned.
end	One past the last entity for which data is desired
data_ptr	Output: pointer to tag storage.
allocate	If true, space for this tag will be allocated, if not it wont

If this function is called for entities for which no tag value has been set, but for which a default value exists, it will force the allocation of explicit storage for each such entity even though MOAB would normally not explicitly store tag values for such entities.

Implements moab::TagInfo.

Definition at line 463 of file VarLenDenseTag.cpp.

{
  error->set_last_error( "Cannot iterate over variable-length tag data" );
  return MB_VARIABLE_DATA_LENGTH;
}

Member Data Documentation

VarLenTag moab::VarLenDenseTag::meshValue [private]

Definition at line 25 of file VarLenDenseTag.hpp.

int moab::VarLenDenseTag::mySequenceArray [private]

Array index in SequenceManager used to store tag data.

Definition at line 23 of file VarLenDenseTag.hpp.

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

Public Member Functions

Static Public Member Functions

Private Member Functions

Private Attributes

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation