ClosableChain.java

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/*
 *   DENOPTIM
 *   Copyright (C) 2019 Marco Foscato <marco.foscato@uib.no>
 * 
 *   This program is free software: you can redistribute it and/or modify
 *   it under the terms of the GNU Affero General Public License as published
 *   by the Free Software Foundation, either version 3 of the License, or
 *   (at your option) any later version.
 *
 *   This program is distributed in the hope that it will be useful,
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *   GNU Affero General Public License for more details.
 *
 *   You should have received a copy of the GNU Affero General Public License
 *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
package denoptim.graph.rings;
 
import java.util.ArrayList;
 
import denoptim.graph.Fragment;
import denoptim.graph.Vertex;
import denoptim.graph.Vertex.BBType;
 
public class ClosableChain implements Cloneable
{
    private ArrayList<ChainLink> links;
 
    private int tuningPoint;
 
//-----------------------------------------------------------------------------
 
    public ClosableChain()
    {
        this.links = new ArrayList<ChainLink>();
    }
 
//-----------------------------------------------------------------------------
 
    public ClosableChain(String str)
    {
        links = new ArrayList<ChainLink>();
        
        String words[] = str.trim().split("%");
    
        String[] parts = words[0].split("_");
        for (int i=0; i<parts.length; i++)
        {
            String clStr = parts[i];
            String[] clParts = clStr.trim().split("/");
            int molID = Integer.parseInt(clParts[0]);
            BBType bbt = BBType.valueOf(clParts[1]);
            String[] partsAps = clParts[2].split("ap");
            int apLeft = Integer.parseInt(partsAps[1]);
            int apRight = Integer.parseInt(partsAps[2]);
            ChainLink cl = new ChainLink(molID, bbt, apLeft, apRight);
            links.add(cl);
        }
        tuningPoint = Integer.parseInt(words[1]);
    }
    
//----------------------------------------------------------------------------
 
    public void appendLink(ChainLink l)
    {
        links.add(l);
    }
    
//----------------------------------------------------------------------------
    
    public void setTurningPoint(int tp)
    {
        this.tuningPoint = tp;
    }
 
//----------------------------------------------------------------------------
 
    public ArrayList<ChainLink> getLinks()
    {
        return links;
    }
 
//-----------------------------------------------------------------------------
 
    public ChainLink getLink(int i)
    {
        return links.get(i);
    }
 
//-----------------------------------------------------------------------------
 
    public int getSize()
    {
        return links.size();
    }
 
//-----------------------------------------------------------------------------
 
    public int getTurningPointIdx()
    {
        return getLink(tuningPoint).getIdx();
    }
 
//-----------------------------------------------------------------------------
 
    public int involvesVertex(Vertex vert)
    {
        int result = -1;
        if (vert instanceof Fragment)
        {
            int vertIdx = ((Fragment)vert).getBuildingBlockId();
            Vertex.BBType vertFrgTyp = ((Fragment)vert).getBuildingBlockType();
            for (int i=0; i<links.size(); i++)
            {
                ChainLink cl = links.get(i);
                if (cl.getIdx() == vertIdx &&
                    cl.getFragType() == vertFrgTyp)
                {
                    result = i;
                    break;
                }
            }
        }
        return result;
    }
 
//-----------------------------------------------------------------------------
 
    public int involvesVertexAndAP(Vertex vert, int apIDA, int apIDB)
    {
        int result = -1;
        if (vert instanceof Fragment)
        {
            int vertMolID = ((Fragment)vert).getBuildingBlockId();
            Vertex.BBType vertFrgTyp = ((Fragment)vert).getBuildingBlockType();
            for (int i=0; i<links.size(); i++)
            {
                ChainLink cl = links.get(i);
                if (cl.getIdx() == vertMolID && 
                cl.getFragType() == vertFrgTyp &&
                ((cl.getApIdToLeft()==apIDA && cl.getApIdToRight()==apIDB) || 
                 (cl.getApIdToLeft()==apIDB && cl.getApIdToRight()==apIDA)))
                {
                result = i;
                break;
                }
            }
        }
        return result;
    }
 
//-----------------------------------------------------------------------------
 
    public ClosableChain clone()
    {
        ClosableChain c = new ClosableChain();
        for (ChainLink l : links)
        {
            c.appendLink(l.clone());
        }
        c.setTurningPoint(tuningPoint);
        return c;
    }
    
//-----------------------------------------------------------------------------
 
    public String toString()
    {
        String str = " ClosableChain[";
        for (ChainLink cc : links)
        {
            str = str + cc;
        }
        str = str + "]";
        return str;
    }
 
//-----------------------------------------------------------------------------
}