PointGhostPointPair.java

/**
 * *****************************************************************************
 * Copyright 2013 Johannes Mitlmeier
 *
 * 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.
 * ****************************************************************************
 */
package de.fub.agg2graph.agg;

import de.fub.agg2graph.structs.GPSPoint;
import de.fub.agg2graph.structs.ILocation;
import de.fub.agg2graph.structs.frechet.Pair;
import java.util.List;

/**
 * Models a pair of a Point and its GhostPoint.
 *
 * @author Johannes Mitlmeier
 */
public class PointGhostPointPair {
    /* Point destination */

    // Point source
    public ILocation point;
    public ILocation ghostPoint;
    public AggConnection targetConnection;
    public int targetStartIndex;
    public boolean removable = false;

    // Iterative
    public AggNode source;
    public List<GPSPoint> ghostPoints;
    // AttractionForce
    public Pair<AggNode, AggNode> pairAgg;
    public Pair<GPSPoint, GPSPoint> pairTraj;
    public GPSPoint proj;
    public boolean isEnd = false; // source or destination

    private PointGhostPointPair() {

    }

    public static PointGhostPointPair createAttraction(AggNode original, GPSPoint proj) {
        PointGhostPointPair result = new PointGhostPointPair();
        result.source = original;
        result.proj = proj;
        result.isEnd = true;

        return result;
    }

    public static PointGhostPointPair createAttraction(AggNode original, Pair<AggNode, AggNode> pairAgg,
            Pair<GPSPoint, GPSPoint> pairTraj, int startIndex) {
        return createAttraction(original, pairAgg, pairTraj, startIndex, false);
    }

    public static PointGhostPointPair createAttraction(AggNode original, Pair<AggNode, AggNode> pairAgg,
            Pair<GPSPoint, GPSPoint> pairTraj, int startIndex, boolean removable) {
        PointGhostPointPair result = new PointGhostPointPair();
        result.source = original;
        result.pairAgg = pairAgg;
        result.pairTraj = pairTraj;
        result.targetStartIndex = startIndex;
        result.removable = removable;
        return result;
    }

    public static PointGhostPointPair createIterative(AggNode original,
            List<GPSPoint> neighbour, int startIndex) {
        return createIterative(original, neighbour, startIndex, false);
    }

    public static PointGhostPointPair createIterative(AggNode original,
            List<GPSPoint> ghosts, int startIndex, boolean removable) {
        PointGhostPointPair result = new PointGhostPointPair();
        result.source = original;
        result.ghostPoints = ghosts;
        result.targetStartIndex = startIndex;
        result.removable = removable;
        return result;
    }

    public static PointGhostPointPair createAggToTrace(AggNode original,
            GPSPoint ghost, int startIndex) {
        return createAggToTrace(original, ghost, startIndex, false);
    }

    public static PointGhostPointPair createAggToTrace(AggNode original,
            GPSPoint ghost, int startIndex, boolean removable) {
        PointGhostPointPair result = new PointGhostPointPair();
        result.point = original;
        result.ghostPoint = ghost;
        result.targetStartIndex = startIndex;
        result.removable = removable;
        return result;
    }

    public static PointGhostPointPair createTraceToAgg(GPSPoint original,
            AggNode ghost, AggConnection targetConnection) {
        return createTraceToAgg(original, ghost, targetConnection, false);
    }

    public static PointGhostPointPair createTraceToAgg(GPSPoint original,
            AggNode ghost, AggConnection targetConnection, boolean removable) {
        PointGhostPointPair result = new PointGhostPointPair();
        result.point = original;
        result.ghostPoint = ghost;
        result.targetConnection = targetConnection;
        result.removable = removable;
        return result;
    }

    public ILocation getPoint() {
        return point;
    }

    public void setPoint(ILocation point) {
        this.point = point;
    }

    public ILocation getGhostPoint() {
        return ghostPoint;
    }

    public void setGhostPoint(ILocation ghostPoint) {
        this.ghostPoint = ghostPoint;
    }

    public AggNode getAggNode() {
        if (point.getClass().getName().endsWith("AggNode")) {
            return (AggNode) point;
        }
        if (ghostPoint.getClass().getName().endsWith("AggNode")) {
            return (AggNode) ghostPoint;
        }
        return null;
    }

    public GPSPoint getGPSPoint() {
        if (point.getClass().getName().endsWith("GPSPoint")) {
            return (GPSPoint) point;
        }
        if (ghostPoint.getClass().getName().endsWith("GPSPoint")) {
            return (GPSPoint) ghostPoint;
        }
        return null;
    }

    @Override
    public String toString() {
        return point + " with ghost @ " + ghostPoint;
    }
}