edge.h

/*
   Copyright 2020 František Bráblík
 
   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 "coords.h"
#include "identifiers.h"
#include "container.h"
 
namespace dyng {
 
class edge;
 
template<typename ConnectedNode>
class basic_edge {
public:
    basic_edge(edge_id id, node_id one, node_id two)
            : m_one(one)
            , m_two(two)
            , m_id(id) {}
 
    node_id one_id() const { return m_one; }
 
    node_id two_id() const { return m_two; }
 
    edge_id id() const { return m_id; }
 
    bool is_new() const { return m_newly_added; }
 
    void is_new(bool value) { m_newly_added = value; }
 
    bool is_old() const { return m_to_be_deleted; }
 
    void is_old(bool value) { m_to_be_deleted = value; }
 
 
    float alpha() const { return m_alpha; }
 
    void alpha(float value) { m_alpha = value; }
 
    ConnectedNode& node_one() { return m_container->at(m_one); }
    
    const ConnectedNode& node_one() const { return m_container->at(m_one); }
 
    ConnectedNode& node_two() { return m_container->at(m_two); }
 
    const ConnectedNode& node_two() const { return m_container->at(m_two); }
 
 
    void set_ptr(detail::container<ConnectedNode, node_id>* cont) {
        m_container = cont;
    }
 
private:
    node_id m_one;
    node_id m_two;
    edge_id m_id;
    float m_alpha = 1.0;
    bool m_newly_added = false;
    bool m_to_be_deleted = false;
 
    detail::container<ConnectedNode, node_id>* m_container = nullptr;
};
 
 
class edge : public basic_edge<node> {
public:
    edge(edge_id id, node_id one, node_id two)
            : basic_edge(id, one, two) {}
};
 
} // namespace dyng