IOSS 2.0

Ioss_NullEntity.h
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32
33 #ifndef IOSS_Ioss_NullEntity_h
34 #define IOSS_Ioss_NullEntity_h
35
36 #include <Ioss_CodeTypes.h>
37 #include <Ioss_GroupingEntity.h>
38 #include <string>
39
40 namespace Ioss {
41 class DatabaseIO;
42
43 class NullEntity : public GroupingEntity
44 {
45 public:
46 NullEntity() : Ioss::GroupingEntity(nullptr, "null_entity", 0) {}
47
48 std::string type_string() const { return "NullEntity"; }
49 std::string short_type_string() const { return "null"; }
50 EntityType type() const { return INVALID_TYPE; }
51
52 // Handle implicit properties -- These are calcuated from data stored
53 // in the grouping entity instead of having an explicit value assigned.
54 // An example would be 'element_block_count' for a region.
55 Property get_implicit_property(const std::string &my_name) const
56 {
57 return Ioss::GroupingEntity::get_implicit_property(my_name);
58 }
59
60 protected:
61 int64_t internal_get_field_data(const Field &, void *, size_t) const { return 0; }
62
63 int64_t internal_put_field_data(const Field &, void *, size_t) const { return 0; }
64 };
65 } // namespace Ioss
66 #endif
Ioss_CodeTypes.h
Ioss::NullEntity::internal_put_field_data
int64_t internal_put_field_data(const Field &, void *, size_t) const
Definition: Ioss_NullEntity.h:63
Ioss::Property
A named value that has a known type.
Definition: Ioss_Property.h:47
Ioss
The main namespace for the Ioss library.
Definition: Iocgns_DatabaseIO.h:50
Ioss::GroupingEntity
Base class for all &#39;grouping&#39; entities. The following derived classes are typical: ...
Definition: Ioss_GroupingEntity.h:93
Ioss::NullEntity::type_string
std::string type_string() const
Get the name of the particular type of entity.
Definition: Ioss_NullEntity.h:48
Ioss::INVALID_TYPE
Definition: Ioss_EntityType.h:55
Ioss::NullEntity::internal_get_field_data
int64_t internal_get_field_data(const Field &, void *, size_t) const
Definition: Ioss_NullEntity.h:61
Ioss::NullEntity::type
EntityType type() const
Get the EntityType, which indicates the particular type of GroupingEntity this is.
Definition: Ioss_NullEntity.h:50
Ioss::NullEntity::short_type_string
std::string short_type_string() const
Get a short name of the particular type of entity.
Definition: Ioss_NullEntity.h:49
Ioss::Field
Holds metadata for bulk data associated with a GroupingEntity.
Definition: Ioss_Field.h:47
Ioss::GroupingEntity::get_implicit_property
virtual Property get_implicit_property(const std::string &my_name) const =0
Calculate and get an implicit property.
Definition: Ioss_GroupingEntity.C:166
Ioss::NullEntity
Definition: Ioss_NullEntity.h:43
Ioss::NullEntity::get_implicit_property
Property get_implicit_property(const std::string &my_name) const
Calculate and get an implicit property.
Definition: Ioss_NullEntity.h:55
Ioss::EntityType
EntityType
The particular type of GroupingEntity.
Definition: Ioss_EntityType.h:39
Ioss::NullEntity::NullEntity
NullEntity()
Definition: Ioss_NullEntity.h:46
Ioss_GroupingEntity.h