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IMP Reference Guide  2.20.0
The Integrative Modeling Platform
State.h
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1 /**
2  * \file IMP/atom/State.h \brief A decorator for States.
3  *
4  * Copyright 2007-2022 IMP Inventors. All rights reserved.
5  *
6  */
7 
8 #ifndef IMPATOM_STATE_H
9 #define IMPATOM_STATE_H
10 
11 #include <IMP/atom/atom_config.h>
12 #include "atom_macros.h"
13 #include "Hierarchy.h"
14 
15 #include <IMP/base_types.h>
16 #include <IMP/Particle.h>
17 #include <IMP/Model.h>
18 #include <IMP/Decorator.h>
19 
20 IMPATOM_BEGIN_NAMESPACE
21 
22 //! Associate an integer "state" index with a hierarchy node.
23 /**
24  * \note Only one State node is allowed in any path up the tree as nesting
25  * them does not have a clear meaning.
26  */
27 class IMPATOMEXPORT State : public Hierarchy {
28  static IntKey get_index_key();
29 
30  static void do_setup_particle(Model *m, ParticleIndex pi,
31  unsigned int state);
32  static void do_setup_particle(Model *m, ParticleIndex pi,
33  State o){
34  do_setup_particle(m, pi, o.get_state_index());
35  }
36  void validate();
37 
38  public:
39  IMP_DECORATOR_SETUP_1(State, unsigned int, index);
42 
43  static bool get_is_setup(Model *m, ParticleIndex pi) {
44  return m->get_has_attribute(get_index_key(), pi);
45  }
46 
47  unsigned int get_state_index() const {
48  return get_model()->get_attribute(get_index_key(), get_particle_index());
49  }
50 };
51 
52 IMP_DECORATORS(State, States, Hierarchies);
53 
54 //! Walk up the hierarchy to find the current state.
55 /** \return the state index, or -1 if there is none. */
56 IMPATOMEXPORT int get_state_index(Hierarchy h);
57 
58 IMPATOM_END_NAMESPACE
59 
60 #endif /* IMPATOM_STATE_H */
The base class for decorators.
ParticleIndex get_particle_index() const
Returns the particle index decorated by this decorator.
Definition: Decorator.h:211
Basic types used by IMP.
#define IMP_DECORATOR_SETUP_1(Name, FirstArgumentType, first_argument_name)
Model * get_model() const
Returns the Model containing the particle.
Definition: Decorator.h:214
Storage of a model, its restraints, constraints and particles.
Class for storing model, its restraints, constraints, and particles.
Definition: Model.h:86
Decorator for helping deal with a hierarchy of molecules.
The standard decorator for manipulating molecular structures.
int get_state_index(Hierarchy h)
Walk up the hierarchy to find the current state.
Classes to handle individual model particles. (Note that implementation of inline functions is in int...
Macros for maintaining molecular hierarchies.
static bool get_is_setup(Model *m, ParticleIndex p)
Check if the particle has the needed attributes for a cast to succeed.
Associate an integer "state" index with a hierarchy node.
Definition: State.h:27
#define IMP_DECORATOR_METHODS(Name, Parent)
#define IMP_DECORATORS(Name, PluralName, Parent)
Define the types for storing sets of decorators.
bool get_has_attribute(TypeKey attribute_key, ParticleIndex particle) const
return true if particle has attribute with the specified key
Type get_attribute(TypeKey attribute_key, ParticleIndex particle)
get the value of the particle attribute with the specified key