object.h

// Copyright 2018-2019 Delft University of Technology
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
 
#pragma once
 
#include <utility>
#include <string>
#include <memory>
#include <vector>
#include <unordered_map>
 
#include "cerata/utils.h"
 
namespace cerata {
 
class Node;
class NodeArray;
class PortArray;
class Port;
class Graph;
 
class Object : public Named {
 public:
  enum ID {
    NODE,   
    ARRAY   
  };
 
  explicit Object(std::string name, ID id) : Named(std::move(name)), obj_id_(id) {}
 
  ID obj_id() const { return obj_id_; }
  bool IsNode() const { return obj_id_ == NODE; }
  bool IsArray() const { return obj_id_ == ARRAY; }
 
  virtual void SetParent(Graph *parent);
  virtual std::optional<Graph *> parent() const;
  virtual std::shared_ptr<Object> Copy() const = 0;
 
  virtual void AppendReferences(std::vector<Object *> *out) const = 0;
 
  std::unordered_map<std::string, std::string> meta;
 
 protected:
  ID obj_id_;
  std::optional<Graph *> parent_ = {};
};
 
}  // namespace cerata