Partition *BucketRepository::get_or_create_partition(
const EntityRank arg_entity_rank ,
const OrdinalVector &parts)
{
enum { KEY_TMP_BUFFER_SIZE = 64 };
TraceIf("stk::mesh::impl::BucketRepository::get_or_create_partition", LOG_BUCKET);
ThrowRequireMsg(MetaData::get(m_mesh).check_rank(arg_entity_rank),
"Entity rank " << arg_entity_rank << " is invalid");
// Somehow, this can happen.
ThrowRequireMsg( !m_buckets.empty(),
"m_buckets is empty! Did you forget to initialize MetaData before creating BulkData?");
std::vector<Partition *> & partitions = m_partitions[ arg_entity_rank ];
const size_t part_count = parts.size();
std::vector<unsigned> key(2 + part_count) ;
//----------------------------------
// Key layout:
// { part_count + 1 , { part_ordinals } , partition_count }
// Thus partition_count = key[ key[0] ]
//
// for upper bound search use the maximum key for a bucket in the partition.
const unsigned max = static_cast<unsigned>(-1);
key[0] = part_count+1;
key[ key[0] ] = max ;
{
for ( unsigned i = 0 ; i < part_count ; ++i ) { key[i+1] = parts[i] ; }
}
// If the partition is found, the iterator will be right after it, thanks to the
// trickiness above.
const std::vector<Partition *>::iterator ik = lower_bound( partitions , &key[0] );
const bool partition_exists =
(ik != partitions.begin()) && raw_part_equal( ik[-1]->key() , &key[0] );
if (partition_exists)
{
return ik[-1];
}
key[key[0]] = 0;
typedef tracking_allocator<Partition, PartitionTag> partition_allocator;
Partition *partition = partition_allocator().allocate(1);
ThrowRequire(partition != NULL);
partition = new (partition) Partition(m_mesh, this, arg_entity_rank, key);
m_need_sync_from_partitions[arg_entity_rank] = true;
partitions.insert( ik , partition );
return partition ;
}
void EntityRepository::clean_changes()
{
TraceIf("stk::mesh::impl::EntityRepository::clean_changes", LOG_ENTITY);
for ( EntityMap::iterator
i = m_entities.begin() ; i != m_entities.end() ; )
{
const EntityMap::iterator j = i ;
++i ;
if ( j->second->m_entityImpl.marked_for_destruction() ) {
// Clear out the entities destroyed in the previous modification.
// They were retained for change-logging purposes.
internal_expunge_entity( j );
}
else {
j->second->m_entityImpl.log_clear();
}
}
}
